Trace number 3721912

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerobjective functionCPU timeWall clock time
PB07: minisat+ 1.14UNSAT 0.299953 0.29995

General information on the benchmark

Name/OPT-BIGINT-LIN/leberre/opb-trendy/misc2010/random/
rand.smallist/normalized-randdd5509.cudf.trendy.opb
MD5SUMe2c942457d20699ff4a0aca1c8c398ae
Bench CategoryOPT-BIGINT-LIN (optimisation, big integers, linear constraints)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.042992
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables7484
Total number of constraints23162
Number of constraints which are clauses23162
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint1147
Number of terms in the objective function 3984
Biggest coefficient in the objective function 7928215784
Number of bits for the biggest coefficient in the objective function 33
Sum of the numbers in the objective function 9085727337239
Number of bits of the sum of numbers in the objective function 44
Biggest number in a constraint 7928215784
Number of bits of the biggest number in a constraint 33
Biggest sum of numbers in a constraint 9085727337239
Number of bits of the biggest sum of numbers44
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c Parsing PB file...
0.19/0.27	c Converting 21433 PB-constraints to clauses...
0.19/0.27	c   -- Unit propagations: pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp  -- Detecting intervals from adjacent constraints: #================================================#==###################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################
0.19/0.29	c   -- Clauses(.)/Splits(s): ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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0.19/0.29	c ---[20760]---> BDD-cost:    1
0.19/0.29	s UNSATISFIABLE
0.19/0.29	c _______________________________________________________________________________
0.19/0.29	c 
0.19/0.29	c restarts              : 0
0.19/0.29	c conflicts             : 0              (0 /sec)
0.19/0.29	c decisions             : 0              (0 /sec)
0.19/0.29	c propagations          : 0              (0 /sec)
0.19/0.29	c inspects              : 0              (0 /sec)
0.19/0.29	c CPU time              : 0.292955 s
0.19/0.29	c _______________________________________________________________________________

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3721912-1338561261/watcher-3721912-1338561261 -o /tmp/evaluation-result-3721912-1338561261/solver-3721912-1338561261 -C 1800 -W 1900 -M 15500 HOME/minisat+ HOME/instance-3721912-1338561261.opb 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.99 1.99 1.98 3/178 26798
/proc/meminfo: memFree=29242228/32873844 swapFree=7380/7380
[pid=26798] ppid=26796 vsize=1784 CPUtime=0 cores=1,3,5,7
/proc/26798/stat : 26798 (minisat+) R 26796 26798 25790 0 -1 4202496 259 0 0 0 0 0 0 0 20 0 1 0 322250907 1826816 216 33554432000 134512640 135395479 4290088208 4290086860 135010894 0 0 4096 16386 0 0 0 17 5 0 0 0 0 0
/proc/26798/statm: 446 223 67 216 0 228 0

[startup+0.0877201 s]
/proc/loadavg: 1.99 1.99 1.98 3/178 26798
/proc/meminfo: memFree=29242228/32873844 swapFree=7380/7380
[pid=26798] ppid=26796 vsize=3632 CPUtime=0.08 cores=1,3,5,7
/proc/26798/stat : 26798 (minisat+) R 26796 26798 25790 0 -1 4202496 738 0 0 0 8 0 0 0 20 0 1 0 322250907 3719168 694 33554432000 134512640 135395479 4290088208 4290087176 135031278 0 0 4096 16386 0 0 0 17 5 0 0 0 0 0
/proc/26798/statm: 908 695 75 216 0 690 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3632

[startup+0.100264 s]
/proc/loadavg: 1.99 1.99 1.98 3/178 26798
/proc/meminfo: memFree=29242228/32873844 swapFree=7380/7380
[pid=26798] ppid=26796 vsize=3900 CPUtime=0.09 cores=1,3,5,7
/proc/26798/stat : 26798 (minisat+) R 26796 26798 25790 0 -1 4202496 803 0 0 0 9 0 0 0 20 0 1 0 322250907 3993600 759 33554432000 134512640 135395479 4290088208 4290086844 135007864 0 0 4096 16386 0 0 0 17 5 0 0 0 0 0
/proc/26798/statm: 975 760 75 216 0 757 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3900

Solver just ended. Dumping a history of the last processes samples

[startup+0.200239 s]
/proc/loadavg: 1.99 1.99 1.98 3/178 26798
/proc/meminfo: memFree=29242228/32873844 swapFree=7380/7380
[pid=26798] ppid=26796 vsize=5932 CPUtime=0.19 cores=1,3,5,7
/proc/26798/stat : 26798 (minisat+) R 26796 26798 25790 0 -1 4202496 1335 0 0 0 19 0 0 0 20 0 1 0 322250907 6074368 1291 33554432000 134512640 135395479 4290088208 4290087176 135031278 0 0 4096 16386 0 0 0 17 5 0 0 0 0 0
/proc/26798/statm: 1483 1291 75 216 0 1265 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 5932

Child status: 20
Real time (s): 0.29995
CPU time (s): 0.299953
CPU user time (s): 0.292955
CPU system time (s): 0.006998
CPU usage (%): 100.001
Max. virtual memory (cumulated for all children) (KiB): 5932

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.292955
system time used= 0.006998
maximum resident set size= 7092
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1817
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1
involuntary context switches= 1

runsolver used 0.009998 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node133 at 2012-06-01 16:34:21
IDJOB=3721912
IDBENCH=72340
IDSOLVER=2306
FILE ID=node133/3721912-1338561261
RUNJOBID= node133-1338552574-25807
PBS_JOBID= 14635851
Free space on /tmp= 70480 MiB

SOLVER NAME= minisat+ 1.14
BENCH NAME= PB10/normalized-PB10/OPT-BIGINT-LIN/leberre/opb-trendy/misc2010/random/rand.smallist/normalized-randdd5509.cudf.trendy.opb
COMMAND LINE= HOME/minisat+ BENCHNAME            
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3721912-1338561261/watcher-3721912-1338561261 -o /tmp/evaluation-result-3721912-1338561261/solver-3721912-1338561261 -C 1800 -W 1900 -M 15500  HOME/minisat+ HOME/instance-3721912-1338561261.opb            

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= e2c942457d20699ff4a0aca1c8c398ae
RANDOM SEED=123144354

node133.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.540
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.08
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.540
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.540
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.540
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.540
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.540
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.90
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.540
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.540
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        29242656 kB
Buffers:          314644 kB
Cached:          2422852 kB
SwapCached:          676 kB
Active:          1291692 kB
Inactive:        1474684 kB
Active(anon):      20484 kB
Inactive(anon):    10240 kB
Active(file):    1271208 kB
Inactive(file):  1464444 kB
Unevictable:        7380 kB
Mlocked:            7380 kB
SwapTotal:      67108856 kB
SwapFree:       67107040 kB
Dirty:              3120 kB
Writeback:             0 kB
AnonPages:         34872 kB
Mapped:            10772 kB
Shmem:                 0 kB
Slab:             726264 kB
SReclaimable:     168116 kB
SUnreclaim:       558148 kB
KernelStack:        1488 kB
PageTables:         4140 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     145064 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346376 kB
VmallocChunk:   34341987860 kB
HardwareCorrupted:     0 kB
AnonHugePages:      8192 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-3721912-1338561261.opb

Free space on /tmp at the end= 70480 MiB
End job on node133 at 2012-06-01 16:34:21