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 in four parts:
  1. 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 provide some useful information on the computer.
  2. 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 !
  3. 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 1200 seconds. 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 1230 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (900Mb).
    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.
  4. 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.

General information on the benchmark

Namemps-v2-13-7/plato.asu.edu/pub/unibo/normalized-mps-v2-13-7-blp-ic98.opb
MD5SUM4c475edac91e4650fa2d3e487e86c291
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 21
Biggest coefficient in the objective function 1048576
Number of bits for the biggest coefficient in the objective function 21
Sum of the numbers in the objective function 2097151
Number of bits of the sum of numbers in the objective function 21
Biggest number in a constraint 81920000000
Number of bits of the biggest number in a constraint 37
Biggest sum of numbers in a constraint 66700085225335
Number of bits of the biggest sum of numbers46
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables14923
Total number of constraints14313
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)14177
Number of constraints which are nor clauses,nor cardinality constraints136
Minimum length of a constraint1
Maximum length of a constraint13571

Trace number 10592

Launcher Data

LAUNCH ON wulflinc25 THE 2005-09-23 19:12:17 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=9342 boxname=wulflinc25 idbench=1138 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  4c475edac91e4650fa2d3e487e86c291  /oldhome/oroussel/tmp/wulflinc25/normalized-mps-v2-13-7-blp-ic98.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc25/normalized-mps-v2-13-7-blp-ic98.opb
IDLAUNCH: 9342
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.002
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.002
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        898812 kB
Buffers:         18536 kB
Cached:          97404 kB
SwapCached:          0 kB
Active:          58196 kB
Inactive:        60660 kB
HighTotal:      131008 kB
HighFree:        30352 kB
LowTotal:       903652 kB
LowFree:        868460 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6984 kB
Slab:            11372 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 19:14:09 (client local time) WITH STATUS 0 IN 108.854 SECONDS
stats: 9342 7 108.854 0

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified
s UNKNOWN

Watcher Data

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGTERM then SIGKILL): 921600 Kb
Enforcing VSIZE limit: 994918400 bytes
Current StackSize limit: 67108864 bytes
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 18 0 0 0 0 0 0 0 19 0 1 0 22577010 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 373 2 364 364 0 9 0
[pid=10882] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc25/normalized-mps-v2-13-7-blp-ic98.opb

[startup+10.002 s]
Raw data (loadavg): 0.94 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 15157 0 0 0 959 38 0 0 25 0 1 0 22577010 47456256 9621 4294967295 134512640 135987407 3221224560 3220477048 134930936 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 11586 9621 364 364 0 11222 0
[pid=10882] vsize: 46344
Current children cumulated CPU time (s) 9.97
Current children cumulated vsize (Kb) 46344

[startup+20.0026 s]
Raw data (loadavg): 0.95 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 47250 0 0 0 1888 107 0 0 25 0 1 0 22577010 144891904 25017 4294967295 134512640 135987407 3221224560 3220095248 134892734 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 35374 25017 364 364 0 35010 0
[pid=10882] vsize: 141496
Current children cumulated CPU time (s) 19.95
Current children cumulated vsize (Kb) 141496

[startup+30.0032 s]
Raw data (loadavg): 0.95 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 66752 0 0 0 2846 148 0 0 25 0 1 0 22577010 246628352 44089 4294967295 134512640 135987407 3221224560 3220518944 134856487 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 60212 44089 364 364 0 59848 0
[pid=10882] vsize: 240848
Current children cumulated CPU time (s) 29.94
Current children cumulated vsize (Kb) 240848

[startup+40.0038 s]
Raw data (loadavg): 0.96 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 99909 0 0 0 3775 218 0 0 25 0 1 0 22577010 315203584 55251 4294967295 134512640 135987407 3221224560 3221221756 134535944 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 76954 55251 364 364 0 76590 0
[pid=10882] vsize: 307816
Current children cumulated CPU time (s) 39.93
Current children cumulated vsize (Kb) 307816

[startup+50.0044 s]
Raw data (loadavg): 0.97 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 113771 0 0 0 4740 252 0 0 25 0 1 0 22577010 319258624 68883 4294967295 134512640 135987407 3221224560 3219716768 134559172 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 77944 68883 364 364 0 77580 0
[pid=10882] vsize: 311776
Current children cumulated CPU time (s) 49.92
Current children cumulated vsize (Kb) 311776

[startup+60.005 s]
Raw data (loadavg): 0.97 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 178354 0 0 0 5596 390 0 0 25 0 1 0 22577010 548405248 89297 4294967295 134512640 135987407 3221224560 3221144208 134854972 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 133888 89297 364 364 0 133524 0
[pid=10882] vsize: 535552
Current children cumulated CPU time (s) 59.86
Current children cumulated vsize (Kb) 535552

[startup+70.0046 s]
Raw data (loadavg): 0.98 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 191261 0 0 0 6563 422 0 0 25 0 1 0 22577010 586690560 101995 4294967295 134512640 135987407 3221224560 3221219472 134855001 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 143235 101995 364 364 0 142871 0
[pid=10882] vsize: 572940
Current children cumulated CPU time (s) 69.85
Current children cumulated vsize (Kb) 572940

[startup+80.0052 s]
Raw data (loadavg): 0.98 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 205009 0 0 0 7530 454 0 0 25 0 1 0 22577010 590340096 115514 4294967295 134512640 135987407 3221224560 3220185264 134854925 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 144126 115514 364 364 0 143762 0
[pid=10882] vsize: 576504
Current children cumulated CPU time (s) 79.84
Current children cumulated vsize (Kb) 576504

[startup+90.0048 s]
Raw data (loadavg): 0.98 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 219361 0 0 0 8494 490 0 0 25 0 1 0 22577010 595206144 129631 4294967295 134512640 135987407 3221224560 3220251936 135486771 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 145314 129631 364 364 0 144950 0
[pid=10882] vsize: 581256
Current children cumulated CPU time (s) 89.84
Current children cumulated vsize (Kb) 581256

[startup+100.005 s]
Raw data (loadavg): 0.98 0.98 0.93 2/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) R 10881 10882 4004 0 -1 0 231164 0 0 0 9465 519 0 0 25 0 1 0 22577010 648511488 141238 4294967295 134512640 135987407 3221224560 3220404804 135478476 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 158328 141238 364 364 0 157964 0
[pid=10882] vsize: 633312
Current children cumulated CPU time (s) 99.84
Current children cumulated vsize (Kb) 633312



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+108.699 s]
Raw data (loadavg): 0.99 0.98 0.93 1/55 10882
Raw data (/proc/10882/stat): 10882 (pb2sat) T 10881 10882 4004 0 -1 0 241589 0 0 0 10310 542 0 0 25 0 1 0 22577010 943800320 151455 4294967295 134512640 135987407 3221224560 3216661052 135635874 0 0 5 16384 3222434794 0 0 17 1 0 0
Raw data (/proc/10882/statm): 230420 151455 364 364 0 230056 0
[pid=10882] vsize: 921680
Current children cumulated CPU time (s) 108.52
Current children cumulated vsize (Kb) 921680

Sending SIGTERM to -10882
Sleeping 2 seconds

[startup+110.006 s]
Raw data (loadavg): 0.99 0.98 0.93 1/56 10883
Raw data (/proc/10882/stat): 10882 (pb2sat) S 10881 10882 4004 0 -1 0 241590 0 0 0 10311 542 0 0 25 0 1 0 22577010 943800320 151456 4294967295 134512640 135987407 3221224560 3216659512 135549753 0 16384 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10882/statm): 230420 151456 364 364 0 230056 0
[pid=10882] vsize: 921680
Current children cumulated CPU time (s) 108.53
Current children cumulated vsize (Kb) 921680
Sending SIGKILL to -10882
One traced child (pid=10882) ended because it received signal 9 (SIGKILL)
All traced children have exited ! Game is over.

Child ended because it received signal 9 (SIGKILL)
Real time (s): 111.011
CPU time (s): 108.854
CPU user time (s): 103.119
CPU system time (s): 5.73513
CPU usage (%): 98.0576
Max. virtual memory (cumulated for all children) (Kb): 921680

Verifier Data

ERROR: no interpretation found !