Trace number 3724986

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 2012-06-01OPT18 0.963853 0.967886

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-3724986-1338631534/watcher-3724986-1338631534 -o /tmp/evaluation-result-3724986-1338631534/solver-3724986-1338631534 -C 1800 -W 1900 -M 15500 HOME/toysat +RTS -K1G -RTS --pb HOME/instance-3724986-1338631534.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: 0.42 0.10 0.03 4/176 10536
/proc/meminfo: memFree=29127652/32873844 swapFree=7120/7120
[pid=10536] ppid=10534 vsize=6224 CPUtime=0 cores=0,2,4,6
/proc/10536/stat : 10536 (toysat) R 10534 10536 10378 0 -1 4202496 764 0 0 0 0 0 0 0 20 0 1 0 329278274 6373376 684 33554432000 4194304 8989770 140735735296528 140736825616232 7953280 0 0 0 34082818 0 0 0 17 2 0 0 0 0 0
/proc/10536/statm: 1556 684 428 1171 0 333 0

[startup+0.070866 s]
/proc/loadavg: 0.42 0.10 0.03 4/176 10536
/proc/meminfo: memFree=29127652/32873844 swapFree=7120/7120
[pid=10536] ppid=10534 vsize=7248 CPUtime=0.06 cores=0,2,4,6
/proc/10536/stat : 10536 (toysat) R 10534 10536 10378 0 -1 4202496 1061 0 0 0 6 0 0 0 20 0 1 0 329278274 7421952 981 33554432000 4194304 8989770 140735735296528 140736825616232 7953280 0 0 0 34082818 0 0 0 17 2 0 0 0 0 0
/proc/10536/statm: 1812 981 468 1171 0 589 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 7248

[startup+0.100266 s]
/proc/loadavg: 0.42 0.10 0.03 4/176 10536
/proc/meminfo: memFree=29127652/32873844 swapFree=7120/7120
[pid=10536] ppid=10534 vsize=7248 CPUtime=0.09 cores=0,2,4,6
/proc/10536/stat : 10536 (toysat) R 10534 10536 10378 0 -1 4202496 1061 0 0 0 9 0 0 0 20 0 1 0 329278274 7421952 981 33554432000 4194304 8989770 140735735296528 140736825616232 7953280 0 0 0 34082818 0 0 0 17 2 0 0 0 0 0
/proc/10536/statm: 1812 981 468 1171 0 589 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7248

[startup+0.300235 s]
/proc/loadavg: 0.42 0.10 0.03 4/176 10536
/proc/meminfo: memFree=29127652/32873844 swapFree=7120/7120
[pid=10536] ppid=10534 vsize=7248 CPUtime=0.29 cores=0,2,4,6
/proc/10536/stat : 10536 (toysat) R 10534 10536 10378 0 -1 4202496 1130 0 0 0 29 0 0 0 20 0 1 0 329278274 7421952 1050 33554432000 4194304 8989770 140735735296528 140736825616232 7953280 0 0 0 34082818 0 0 0 17 2 0 0 0 0 0
/proc/10536/statm: 1812 1050 470 1171 0 589 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7248

[startup+0.700238 s]
/proc/loadavg: 0.42 0.10 0.03 4/176 10536
/proc/meminfo: memFree=29127652/32873844 swapFree=7120/7120
[pid=10536] ppid=10534 vsize=7248 CPUtime=0.69 cores=0,2,4,6
/proc/10536/stat : 10536 (toysat) R 10534 10536 10378 0 -1 4202496 1130 0 0 0 69 0 0 0 20 0 1 0 329278274 7421952 1050 33554432000 4194304 8989770 140735735296528 140736825616232 7953280 0 0 0 34082818 0 0 0 17 2 0 0 0 0 0
/proc/10536/statm: 1812 1050 470 1171 0 589 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7248

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

[startup+0.900238 s]
/proc/loadavg: 0.42 0.10 0.03 4/176 10536
/proc/meminfo: memFree=29127652/32873844 swapFree=7120/7120
[pid=10536] ppid=10534 vsize=7248 CPUtime=0.88 cores=0,2,4,6
/proc/10536/stat : 10536 (toysat) R 10534 10536 10378 0 -1 4202496 1130 0 0 0 88 0 0 0 20 0 1 0 329278274 7421952 1050 33554432000 4194304 8989770 140735735296528 140736825616232 7953280 0 0 0 34082818 0 0 0 17 2 0 0 0 0 0
/proc/10536/statm: 1812 1050 470 1171 0 589 0
Current children cumulated CPU time (s) 0.88
Current children cumulated vsize (KiB) 7248

Child status: 0
Real time (s): 0.967886
CPU time (s): 0.963853
CPU user time (s): 0.957854
CPU system time (s): 0.005999
CPU usage (%): 99.5833
Max. virtual memory (cumulated for all children) (KiB): 7248

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.957854
system time used= 0.005999
maximum resident set size= 4216
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1134
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 0.002999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node142 at 2012-06-02 12:05:34
IDJOB=3724986
IDBENCH=1861
IDSOLVER=2308
FILE ID=node142/3724986-1338631534
RUNJOBID= node142-1338631506-10394
PBS_JOBID= 14636438
Free space on /tmp= 71196 MiB

SOLVER NAME= toysat 2012-06-01
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 +RTS -K1G -RTS --pb BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3724986-1338631534/watcher-3724986-1338631534 -o /tmp/evaluation-result-3724986-1338631534/solver-3724986-1338631534 -C 1800 -W 1900 -M 15500  HOME/toysat +RTS -K1G -RTS --pb HOME/instance-3724986-1338631534.opb

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

MD5SUM BENCH= ad4e33c2a351634ad3ada1c06c0b1126
RANDOM SEED=1533046589

node142.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		: 2666.776
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	: 5333.55
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		: 2666.776
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		: 2666.776
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	: 5391.91
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		: 2666.776
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	: 5331.92
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		: 2666.776
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	: 5331.90
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		: 2666.776
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		: 2666.776
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		: 2666.776
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:        29128024 kB
Buffers:          205092 kB
Cached:          2660924 kB
SwapCached:            0 kB
Active:          1123504 kB
Inactive:        1811052 kB
Active(anon):      59884 kB
Inactive(anon):    11236 kB
Active(file):    1063620 kB
Inactive(file):  1799816 kB
Unevictable:        7120 kB
Mlocked:            7120 kB
SwapTotal:      67108856 kB
SwapFree:       67108856 kB
Dirty:             14700 kB
Writeback:             0 kB
AnonPages:         75740 kB
Mapped:            12244 kB
Shmem:               200 kB
Slab:             673292 kB
SReclaimable:     114912 kB
SUnreclaim:       558380 kB
KernelStack:        1448 kB
PageTables:         4096 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     183804 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 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

Free space on /tmp at the end= 71188 MiB
End job on node142 at 2012-06-02 12:05:35