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/milp/normalized-mps-v2-13-7-neos13.opb
MD5SUM992db28a85bbc8236f0033edb6d28dee
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -3555031
Optimality of the best value was proved NO
Number of terms in the objective function 84
Biggest coefficient in the objective function 12944832
Number of bits for the biggest coefficient in the objective function 24
Sum of the numbers in the objective function 283368115
Number of bits of the sum of numbers in the objective function 29
Biggest number in a constraint 8745792000
Number of bits of the biggest number in a constraint 34
Biggest sum of numbers in a constraint 79079134958
Number of bits of the biggest sum of numbers37
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1300.42
Number of variables1899
Total number of constraints22679
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)1816
Number of constraints which are nor clauses,nor cardinality constraints20863
Minimum length of a constraint1
Maximum length of a constraint1815

Trace number 10571

Launcher Data

LAUNCH ON wulflinc10 THE 2005-09-23 19:08:30 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=9332 boxname=wulflinc10 idbench=1128 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  992db28a85bbc8236f0033edb6d28dee  /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-13-7-neos13.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-13-7-neos13.opb
IDLAUNCH: 9332
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.193
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	: 2
cpu MHz		: 451.193
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	: 899.07

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        887988 kB
Buffers:         12848 kB
Cached:         116216 kB
SwapCached:          0 kB
Active:          77264 kB
Inactive:        54708 kB
HighTotal:      131008 kB
HighFree:        10864 kB
LowTotal:       903652 kB
LowFree:        877124 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6976 kB
Slab:             9100 kB
Committed_AS:    63624 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 19:10:09 (client local time) WITH STATUS 1 IN 97.8611 SECONDS
stats: 9332 7 97.8611 1

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc

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/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 22592060 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 373 2 364 364 0 9 0
[pid=10221] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-13-7-neos13.opb

[startup+10.0019 s]
Raw data (loadavg): 0.94 0.94 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 31670 0 0 0 931 65 0 0 25 0 1 0 22592060 100061184 20504 4294967295 134512640 135987407 3221224560 3221196460 134637002 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 24429 20504 364 364 0 24065 0
[pid=10221] vsize: 97716
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 97716

[startup+20.0024 s]
Raw data (loadavg): 0.95 0.94 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 63015 0 0 0 1863 131 0 0 25 0 1 0 22592060 198168576 40478 4294967295 134512640 135987407 3221224560 3221193712 134878060 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 48381 40479 364 364 0 48017 0
[pid=10221] vsize: 193524
Current children cumulated CPU time (s) 19.94
Current children cumulated vsize (Kb) 193524

[startup+30.003 s]
Raw data (loadavg): 0.96 0.94 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 106656 0 0 0 2769 221 0 0 25 0 1 0 22592060 332169216 61240 4294967295 134512640 135987407 3221224560 3221195200 134887887 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 81096 61240 364 364 0 80732 0
[pid=10221] vsize: 324384
Current children cumulated CPU time (s) 29.9
Current children cumulated vsize (Kb) 324384

[startup+40.0025 s]
Raw data (loadavg): 0.96 0.94 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 125143 0 0 0 3732 256 0 0 25 0 1 0 22592060 392216576 79483 4294967295 134512640 135987407 3221224560 3221193808 134537491 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 95756 79483 364 364 0 95392 0
[pid=10221] vsize: 383024
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (Kb) 383024

[startup+50.0031 s]
Raw data (loadavg): 0.97 0.94 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 170285 0 0 0 4639 344 0 0 25 0 1 0 22592060 534843392 103426 4294967295 134512640 135987407 3221224560 3221194156 135480487 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 130577 103427 364 364 0 130213 0
[pid=10221] vsize: 522308
Current children cumulated CPU time (s) 49.83
Current children cumulated vsize (Kb) 522308

[startup+60.0026 s]
Raw data (loadavg): 0.97 0.95 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 211752 0 0 0 5547 434 0 0 25 0 1 0 22592060 659431424 120093 4294967295 134512640 135987407 3221224560 3221194128 134802855 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 160994 120094 364 364 0 160630 0
[pid=10221] vsize: 643976
Current children cumulated CPU time (s) 59.81
Current children cumulated vsize (Kb) 643976

[startup+70.0022 s]
Raw data (loadavg): 0.98 0.95 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 229215 0 0 0 6512 467 0 0 25 0 1 0 22592060 717856768 137326 4294967295 134512640 135987407 3221224560 3221193616 134877726 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 175258 137326 364 364 0 174894 0
[pid=10221] vsize: 701032
Current children cumulated CPU time (s) 69.79
Current children cumulated vsize (Kb) 701032

[startup+80.0028 s]
Raw data (loadavg): 0.98 0.95 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 247748 0 0 0 7476 502 0 0 25 0 1 0 22592060 744349696 155616 4294967295 134512640 135987407 3221224560 3221195484 135482121 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 181726 155617 364 364 0 181362 0
[pid=10221] vsize: 726904
Current children cumulated CPU time (s) 79.78
Current children cumulated vsize (Kb) 726904

[startup+90.0023 s]
Raw data (loadavg): 0.98 0.95 0.91 2/55 10221
Raw data (/proc/10221/stat): 10221 (pb2sat) R 10220 10221 4061 0 -1 0 267860 0 0 0 8436 540 0 0 25 0 1 0 22592060 775401472 175011 4294967295 134512640 135987407 3221224560 3221194764 135482121 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10221/statm): 189307 175013 364 364 0 188943 0
[pid=10221] vsize: 757228
Current children cumulated CPU time (s) 89.76
Current children cumulated vsize (Kb) 757228
One traced child (pid=10221) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 98.0971
CPU time (s): 97.8611
CPU user time (s): 92.072
CPU system time (s): 5.78912
CPU usage (%): 99.7595
Max. virtual memory (cumulated for all children) (Kb): 757228

Verifier Data

ERROR: no interpretation found !