Trace number 3721622

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+ 1.14OPT18 0.302953 0.30322

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_opers/normalized-fir02_area_opers.opb
MD5SUM918383404e7b51b9b3205c84ccd5b510
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark18
Best CPU time to get the best result obtained on this benchmark0.037994
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 18
Optimality of the best value was proved YES
Number of variables1464
Total number of constraints2689
Number of constraints which are clauses2689
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 constraint31
Number of terms in the objective function 759
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 759
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 759
Number of bits of the biggest sum of numbers10
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...
0.00/0.03	c Converting 2686 PB-constraints to clauses...
0.00/0.03	c   -- Unit propagations: (none)
0.00/0.03	c   -- Detecting intervals from adjacent constraints: #####
0.00/0.03	c   -- Clauses(.)/Splits(s): ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
0.00/0.04	c ---[2334]---> BDD-cost:    1
0.00/0.04	c ---[2164]---> BDD-cost:    1
0.00/0.04	c ---[2073]---> BDD-cost:    1
0.00/0.04	c ---[2015]---> BDD-cost:    1
0.00/0.04	c ---[1998]---> BDD-cost:    1
0.00/0.04	c ==================================[MINISAT+]==================================
0.00/0.04	c | Conflicts | Original         | Learnt                           | Progress |
0.00/0.04	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.00/0.04	c ==============================================================================
0.00/0.04	c |         0 |    2686     6771 |     895       0        0     nan |  0.000 % |
0.00/0.04	c ==============================================================================
0.00/0.04	c Found solution: 18
0.00/0.04	o 18
0.00/0.04	c ---[   0]---> Sorter-cost:34832     Base:
0.19/0.27	c ==================================[MINISAT+]==================================
0.19/0.27	c | Conflicts | Original         | Learnt                           | Progress |
0.19/0.27	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.19/0.27	c ==============================================================================
0.19/0.27	c |         0 |   39728    93222 |   13242       0        0     nan |  0.000 % |
0.29/0.30	c ==============================================================================
0.29/0.30	c Optimal solution: 18
0.29/0.30	s OPTIMUM FOUND
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0.29/0.30	c _______________________________________________________________________________
0.29/0.30	c 
0.29/0.30	c restarts              : 2
0.29/0.30	c conflicts             : 30             (101 /sec)
0.29/0.30	c decisions             : 2286           (7724 /sec)
0.29/0.30	c propagations          : 0              (0 /sec)
0.29/0.30	c inspects              : 0              (0 /sec)
0.29/0.30	c CPU time              : 0.295955 s
0.29/0.30	c _______________________________________________________________________________

Verifier Data

OK	18

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-3721622-1338558064/watcher-3721622-1338558064 -o /tmp/evaluation-result-3721622-1338558064/solver-3721622-1338558064 -C 1800 -W 1900 -M 15500 HOME/minisat+ HOME/instance-3721622-1338558064.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: 1.98 2.04 1.97 3/176 3632
/proc/meminfo: memFree=27590864/32873844 swapFree=7116/7116
[pid=3632] ppid=3630 vsize=1428 CPUtime=0 cores=0,2,4,6
/proc/3632/stat : 3632 (minisat+) R 3630 3632 2967 0 -1 4202496 196 0 0 0 0 0 0 0 20 0 1 0 321931515 1462272 153 33554432000 134512640 135395479 4289508688 4289507656 135031278 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/3632/statm: 357 154 74 216 0 139 0

[startup+0.00662991 s]
/proc/loadavg: 1.98 2.04 1.97 3/176 3632
/proc/meminfo: memFree=27590864/32873844 swapFree=7116/7116
[pid=3632] ppid=3630 vsize=1428 CPUtime=0 cores=0,2,4,6
/proc/3632/stat : 3632 (minisat+) R 3630 3632 2967 0 -1 4202496 199 0 0 0 0 0 0 0 20 0 1 0 321931515 1462272 156 33554432000 134512640 135395479 4289508688 4289507520 134618678 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/3632/statm: 357 156 74 216 0 139 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 1428

[startup+0.100267 s]
/proc/loadavg: 1.98 2.04 1.97 3/176 3632
/proc/meminfo: memFree=27590864/32873844 swapFree=7116/7116
[pid=3632] ppid=3630 vsize=2248 CPUtime=0.09 cores=0,2,4,6
/proc/3632/stat : 3632 (minisat+) R 3630 3632 2967 0 -1 4202496 484 0 0 0 9 0 0 0 20 0 1 0 321931515 2301952 441 33554432000 134512640 135395479 4289508688 4289502520 135003912 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/3632/statm: 562 441 103 216 0 344 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2248

[startup+0.300242 s]
/proc/loadavg: 1.98 2.04 1.97 3/176 3632
/proc/meminfo: memFree=27590864/32873844 swapFree=7116/7116
[pid=3632] ppid=3630 vsize=7024 CPUtime=0.29 cores=0,2,4,6
/proc/3632/stat : 3632 (minisat+) R 3630 3632 2967 0 -1 4202496 1657 0 0 0 29 0 0 0 20 0 1 0 321931515 7192576 1554 33554432000 134512640 135395479 4289508688 4289507040 134569815 0 0 4096 16386 0 0 0 17 4 0 0 0 0 0
/proc/3632/statm: 1756 1554 108 216 0 1538 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7024

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

Child status: 30
Real time (s): 0.30322
CPU time (s): 0.302953
CPU user time (s): 0.296954
CPU system time (s): 0.005999
CPU usage (%): 99.9119
Max. virtual memory (cumulated for all children) (KiB): 7024

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.296954
system time used= 0.005999
maximum resident set size= 6220
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1661
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 0.000999 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node138 at 2012-06-01 15:41:04
IDJOB=3721622
IDBENCH=25042
IDSOLVER=2306
FILE ID=node138/3721622-1338558064
RUNJOBID= node138-1338552573-2983
PBS_JOBID= 14635846
Free space on /tmp= 70836 MiB

SOLVER NAME= minisat+ 1.14
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_opers/normalized-fir02_area_opers.opb
COMMAND LINE= HOME/minisat+ BENCHNAME            
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3721622-1338558064/watcher-3721622-1338558064 -o /tmp/evaluation-result-3721622-1338558064/solver-3721622-1338558064 -C 1800 -W 1900 -M 15500  HOME/minisat+ HOME/instance-3721622-1338558064.opb            

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

MD5SUM BENCH= 918383404e7b51b9b3205c84ccd5b510
RANDOM SEED=327616570

node138.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		: 2667.347
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	: 5334.69
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		: 2667.347
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		: 2667.347
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	: 5331.91
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		: 2667.347
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		: 2667.347
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		: 2667.347
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	: 5331.91
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		: 2667.347
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	: 5331.92
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		: 2667.347
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:        27591400 kB
Buffers:          681208 kB
Cached:          3454796 kB
SwapCached:          208 kB
Active:          2348480 kB
Inactive:        2046396 kB
Active(anon):     243356 kB
Inactive(anon):    11388 kB
Active(file):    2105124 kB
Inactive(file):  2035008 kB
Unevictable:        7116 kB
Mlocked:            7116 kB
SwapTotal:      67108856 kB
SwapFree:       67108648 kB
Dirty:              2364 kB
Writeback:             0 kB
AnonPages:        258944 kB
Mapped:            14804 kB
Shmem:               200 kB
Slab:             751988 kB
SReclaimable:     194380 kB
SUnreclaim:       557608 kB
KernelStack:        1464 kB
PageTables:         4392 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     369144 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:    159744 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-3721622-1338558064.opb

Free space on /tmp at the end= 70832 MiB
End job on node138 at 2012-06-01 15:41:05