Trace number 3706613

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
toysat 2012-05-17OPT18 0.953854 0.955106

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/mps-v2-20-10/MIPLIB/
miplib/normalized-mps-v2-20-10-stein27.opb
MD5SUMad4e33c2a351634ad3ada1c06c0b1126
Bench CategoryOPT-SMALLINT (optimisation, small integers)
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 benchmark0.150976
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 variables27
Total number of constraints118
Number of constraints which are clauses117
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint3
Maximum length of a constraint27
Number of terms in the objective function 27
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 27
Number of bits of the sum of numbers in the objective function 5
Biggest number in a constraint 13
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 40
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

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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-3706613-1338111944/watcher-3706613-1338111944 -o /tmp/evaluation-result-3706613-1338111944/solver-3706613-1338111944 -C 1800 -W 1900 -M 15500 HOME/toysat --pb HOME/instance-3706613-1338111944.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: 2.06 2.03 1.97 2/176 610
/proc/meminfo: memFree=29009524/32873648 swapFree=6844/6844
[pid=610] ppid=608 vsize=6208 CPUtime=0 cores=0,2,4,6
/proc/610/stat : 610 (toysat) R 608 610 32696 0 -1 4202496 761 0 0 0 0 0 0 0 20 0 1 0 277320297 6356992 682 33554432000 4194304 8973514 140733831032432 140735555708520 7841851 0 2 0 34082818 0 0 0 17 0 0 0 0 0 0
/proc/610/statm: 1552 683 420 1167 0 333 0

[startup+0.01849 s]
/proc/loadavg: 2.06 2.03 1.97 2/176 610
/proc/meminfo: memFree=29009524/32873648 swapFree=6844/6844
[pid=610] ppid=608 vsize=7232 CPUtime=0.01 cores=0,2,4,6
/proc/610/stat : 610 (toysat) R 608 610 32696 0 -1 4202496 861 0 0 0 1 0 0 0 20 0 1 0 277320297 7405568 782 33554432000 4194304 8973514 140733831032432 140735555708520 4209325 0 2 0 34082818 0 0 0 17 0 0 0 0 0 0
/proc/610/statm: 1808 785 450 1167 0 589 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 7232

[startup+0.100199 s]
/proc/loadavg: 2.06 2.03 1.97 2/176 610
/proc/meminfo: memFree=29009524/32873648 swapFree=6844/6844
[pid=610] ppid=608 vsize=7232 CPUtime=0.09 cores=0,2,4,6
/proc/610/stat : 610 (toysat) R 608 610 32696 0 -1 4202496 1031 0 0 0 9 0 0 0 20 0 1 0 277320297 7405568 952 33554432000 4194304 8973514 140733831032432 140735555708520 4368712 0 0 0 34082818 0 0 0 17 0 0 0 0 0 0
/proc/610/statm: 1808 952 450 1167 0 589 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7232

[startup+0.300175 s]
/proc/loadavg: 2.06 2.03 1.97 2/176 610
/proc/meminfo: memFree=29009524/32873648 swapFree=6844/6844
[pid=610] ppid=608 vsize=7232 CPUtime=0.29 cores=0,2,4,6
/proc/610/stat : 610 (toysat) R 608 610 32696 0 -1 4202496 1110 0 0 0 29 0 0 0 20 0 1 0 277320297 7405568 1031 33554432000 4194304 8973514 140733831032432 140735555708520 6743188 0 0 0 34082818 0 0 0 17 0 0 0 0 0 0
/proc/610/statm: 1808 1031 452 1167 0 589 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7232

[startup+0.700178 s]
/proc/loadavg: 2.06 2.03 1.97 2/176 610
/proc/meminfo: memFree=29009524/32873648 swapFree=6844/6844
[pid=610] ppid=608 vsize=7232 CPUtime=0.69 cores=0,2,4,6
/proc/610/stat : 610 (toysat) R 608 610 32696 0 -1 4202496 1110 0 0 0 69 0 0 0 20 0 1 0 277320297 7405568 1031 33554432000 4194304 8973514 140733831032432 140733831031928 4371955 0 0 0 34082818 0 0 0 17 0 0 0 0 0 0
/proc/610/statm: 1808 1031 452 1167 0 589 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7232

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

[startup+0.900179 s]
/proc/loadavg: 2.06 2.03 1.97 2/176 610
/proc/meminfo: memFree=29009524/32873648 swapFree=6844/6844
[pid=610] ppid=608 vsize=7232 CPUtime=0.89 cores=0,2,4,6
/proc/610/stat : 610 (toysat) R 608 610 32696 0 -1 4202496 1110 0 0 0 89 0 0 0 20 0 1 0 277320297 7405568 1031 33554432000 4194304 8973514 140733831032432 140733831031696 7707296 0 0 0 34082818 0 0 0 17 0 0 0 0 0 0
/proc/610/statm: 1808 1031 452 1167 0 589 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 7232

Child status: 0
Real time (s): 0.955106
CPU time (s): 0.953854
CPU user time (s): 0.944856
CPU system time (s): 0.008998
CPU usage (%): 99.8689
Max. virtual memory (cumulated for all children) (KiB): 7232

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.944856
system time used= 0.008998
maximum resident set size= 4144
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1115
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= 3
involuntary context switches= 3

runsolver used 0.000999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node124 at 2012-05-27 11:45:44
IDJOB=3706613
IDBENCH=1861
IDSOLVER=2285
FILE ID=node124/3706613-1338111944
RUNJOBID= node124-1338107934-32712
PBS_JOBID= 14624469
Free space on /tmp= 71424 MiB

SOLVER NAME= toysat 2012-05-17
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/mps-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-stein27.opb
COMMAND LINE= HOME/toysat --pb BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3706613-1338111944/watcher-3706613-1338111944 -o /tmp/evaluation-result-3706613-1338111944/solver-3706613-1338111944 -C 1800 -W 1900 -M 15500  HOME/toysat --pb HOME/instance-3706613-1338111944.opb

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

MD5SUM BENCH= ad4e33c2a351634ad3ada1c06c0b1126
RANDOM SEED=1407641015

node124.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		: 2667.325
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	: 5334.65
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		: 2667.325
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	: 5385.03
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		: 2667.325
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	: 5385.04
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		: 2667.325
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	: 5357.53
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		: 2667.325
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	: 5385.03
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		: 2667.325
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	: 5385.04
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		: 2667.325
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	: 5385.03
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		: 2667.325
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	: 5385.03
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873648 kB
MemFree:        29010580 kB
Buffers:          333400 kB
Cached:          2688724 kB
SwapCached:            0 kB
Active:           940244 kB
Inactive:        2117464 kB
Active(anon):      38240 kB
Inactive(anon):        0 kB
Active(file):     902004 kB
Inactive(file):  2117464 kB
Unevictable:        6844 kB
Mlocked:            6844 kB
SwapTotal:      67108856 kB
SwapFree:       67108856 kB
Dirty:              7368 kB
Writeback:             0 kB
AnonPages:         41948 kB
Mapped:            16072 kB
Shmem:               200 kB
Slab:             668680 kB
SReclaimable:     112860 kB
SUnreclaim:       555820 kB
KernelStack:        1472 kB
PageTables:         3556 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545680 kB
Committed_AS:     147424 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346400 kB
VmallocChunk:   34341988052 kB
HardwareCorrupted:     0 kB
AnonHugePages:     12288 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7680 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71420 MiB
End job on node124 at 2012-05-27 11:45:45