Trace number 3721336

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 0.612906 0.615302

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-scagr25.opb
MD5SUM58a5a60742220a9ba7e3c02a1efc153b
Bench CategoryOPT-BIGINT (optimisation, big integers)
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 benchmark0.044992
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables15000
Total number of constraints471
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints471
Minimum length of a constraint30
Maximum length of a constraint300
Number of terms in the objective function 14250
Biggest coefficient in the objective function 35540854374400
Number of bits for the biggest coefficient in the objective function 46
Sum of the numbers in the objective function 4668575759312850
Number of bits of the sum of numbers in the objective function 53
Biggest number in a constraint 35540854374400
Number of bits of the biggest number in a constraint 46
Biggest sum of numbers in a constraint 4668575759312850
Number of bits of the biggest sum of numbers53
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...
0.49/0.50	c Converting 771 PB-constraints to clauses...
0.49/0.50	c   -- Unit propagations: pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp  -- Detecting intervals from adjacent constraints: #####################################################################################################################################################################################################################################################################################################
0.59/0.61	c   -- Clauses(.)/Splits(s): s
0.59/0.61	s UNSATISFIABLE
0.59/0.61	c _______________________________________________________________________________
0.59/0.61	c 
0.59/0.61	c restarts              : 0
0.59/0.61	c conflicts             : 0              (0 /sec)
0.59/0.61	c decisions             : 0              (0 /sec)
0.59/0.61	c propagations          : 0              (0 /sec)
0.59/0.61	c inspects              : 0              (0 /sec)
0.59/0.61	c CPU time              : 0.604908 s
0.59/0.61	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-3721336-1338554739/watcher-3721336-1338554739 -o /tmp/evaluation-result-3721336-1338554739/solver-3721336-1338554739 -C 1800 -W 1900 -M 15500 HOME/minisat+ HOME/instance-3721336-1338554739.opb 

running on 4 cores: 0,2,4,6

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: 2.00 2.00 1.77 4/176 15546
/proc/meminfo: memFree=31883476/32873844 swapFree=7116/7116
[pid=15546] ppid=15544 vsize=1424 CPUtime=0 cores=0,2,4,6
/proc/15546/stat : 15546 (minisat+) R 15544 15546 15226 0 -1 4202496 199 0 0 0 0 0 0 0 20 0 1 0 321602510 1458176 157 33554432000 134512640 135395479 4292462400 4292461052 135010894 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/15546/statm: 356 157 67 216 0 138 0

[startup+0.00861609 s]
/proc/loadavg: 2.00 2.00 1.77 4/176 15546
/proc/meminfo: memFree=31883476/32873844 swapFree=7116/7116
[pid=15546] ppid=15544 vsize=1776 CPUtime=0 cores=0,2,4,6
/proc/15546/stat : 15546 (minisat+) R 15544 15546 15226 0 -1 4202496 264 0 0 0 0 0 0 0 20 0 1 0 321602510 1818624 222 33554432000 134512640 135395479 4292462400 4292461320 135031278 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/15546/statm: 444 222 67 216 0 226 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 1776

[startup+0.100205 s]
/proc/loadavg: 2.00 2.00 1.77 4/176 15546
/proc/meminfo: memFree=31883476/32873844 swapFree=7116/7116
[pid=15546] ppid=15544 vsize=4340 CPUtime=0.09 cores=0,2,4,6
/proc/15546/stat : 15546 (minisat+) R 15544 15546 15226 0 -1 4202496 872 0 0 0 9 0 0 0 20 0 1 0 321602510 4444160 829 33554432000 134512640 135395479 4292462400 4292460648 135003916 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/15546/statm: 1085 829 75 216 0 867 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4340

[startup+0.300204 s]
/proc/loadavg: 2.00 2.00 1.77 4/176 15546
/proc/meminfo: memFree=31883476/32873844 swapFree=7116/7116
[pid=15546] ppid=15544 vsize=6160 CPUtime=0.29 cores=0,2,4,6
/proc/15546/stat : 15546 (minisat+) R 15544 15546 15226 0 -1 4202496 1316 0 0 0 29 0 0 0 20 0 1 0 321602510 6307840 1273 33554432000 134512640 135395479 4292462400 4292460624 135012143 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/15546/statm: 1540 1273 75 216 0 1322 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6160

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

[startup+0.500204 s]
/proc/loadavg: 2.00 2.00 1.77 4/176 15546
/proc/meminfo: memFree=31883476/32873844 swapFree=7116/7116
[pid=15546] ppid=15544 vsize=8132 CPUtime=0.49 cores=0,2,4,6
/proc/15546/stat : 15546 (minisat+) R 15544 15546 15226 0 -1 4202496 1809 0 0 0 49 0 0 0 20 0 1 0 321602510 8327168 1766 33554432000 134512640 135395479 4292462400 4292460860 135007481 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/15546/statm: 2033 1768 75 216 0 1815 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 8132

[startup+0.600199 s]
/proc/loadavg: 2.00 2.00 1.77 4/176 15546
/proc/meminfo: memFree=31883476/32873844 swapFree=7116/7116
[pid=15546] ppid=15544 vsize=9012 CPUtime=0.59 cores=0,2,4,6
/proc/15546/stat : 15546 (minisat+) R 15544 15546 15226 0 -1 4202496 2036 0 0 0 59 0 0 0 20 0 1 0 321602510 9228288 1993 33554432000 134512640 135395479 4292462400 4292460988 135005781 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/15546/statm: 2253 1993 83 216 0 2035 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 9012

Child status: 20
Real time (s): 0.615302
CPU time (s): 0.612906
CPU user time (s): 0.604908
CPU system time (s): 0.007998
CPU usage (%): 99.6106
Max. virtual memory (cumulated for all children) (KiB): 9012

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.604908
system time used= 0.007998
maximum resident set size= 8044
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2054
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= 4

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data

Begin job on node103 at 2012-06-01 14:45:39
IDJOB=3721336
IDBENCH=2419
IDSOLVER=2306
FILE ID=node103/3721336-1338554739
RUNJOBID= node103-1338552592-15242
PBS_JOBID= 14635887
Free space on /tmp= 71136 MiB

SOLVER NAME= minisat+ 1.14
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-scagr25.opb
COMMAND LINE= HOME/minisat+ BENCHNAME            
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3721336-1338554739/watcher-3721336-1338554739 -o /tmp/evaluation-result-3721336-1338554739/solver-3721336-1338554739 -C 1800 -W 1900 -M 15500  HOME/minisat+ HOME/instance-3721336-1338554739.opb            

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

MD5SUM BENCH= 58a5a60742220a9ba7e3c02a1efc153b
RANDOM SEED=2076301207

node103.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		: 2666.189
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	: 5332.37
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		: 2666.189
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	: 5331.91
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		: 2666.189
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		: 2666.189
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		: 2666.189
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		: 2666.189
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	: 5411.36
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		: 2666.189
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		: 2666.189
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:        31883880 kB
Buffers:           66584 kB
Cached:            56612 kB
SwapCached:         5212 kB
Active:           161404 kB
Inactive:          88796 kB
Active(anon):     125556 kB
Inactive(anon):     4116 kB
Active(file):      35848 kB
Inactive(file):    84680 kB
Unevictable:        7116 kB
Mlocked:            7116 kB
SwapTotal:      67108856 kB
SwapFree:       67096156 kB
Dirty:              3092 kB
Writeback:             0 kB
AnonPages:        129564 kB
Mapped:             8028 kB
Shmem:                 0 kB
Slab:             602608 kB
SReclaimable:      42856 kB
SUnreclaim:       559752 kB
KernelStack:        1472 kB
PageTables:         4684 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     246932 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:     67584 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-3721336-1338554739.opb

Free space on /tmp at the end= 71136 MiB
End job on node103 at 2012-06-01 14:45:40