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/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-scfxm3.opb
MD5SUM4a3de02f6262a734aceb5f1aba22728b
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 1380
Biggest coefficient in the objective function 5242880
Number of bits for the biggest coefficient in the objective function 23
Sum of the numbers in the objective function 412089975
Number of bits of the sum of numbers in the objective function 29
Biggest number in a constraint 52428800000
Number of bits of the biggest number in a constraint 36
Biggest sum of numbers in a constraint 319170501375
Number of bits of the biggest sum of numbers39
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark2.20966
Number of variables27420
Total number of constraints990
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints990
Minimum length of a constraint20
Maximum length of a constraint1140

Trace number 10300

Launcher Data

LAUNCH ON wulflinc14 THE 2005-09-23 17:48:03 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=9048 boxname=wulflinc14 idbench=844 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  4a3de02f6262a734aceb5f1aba22728b  /oldhome/oroussel/tmp/wulflinc14/normalized-mps-v2-13-7-scfxm3.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc14/normalized-mps-v2-13-7-scfxm3.opb
IDLAUNCH: 9048
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.058
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		: 451.058
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:        980336 kB
Buffers:          2504 kB
Cached:          34284 kB
SwapCached:          0 kB
Active:          19760 kB
Inactive:        19964 kB
HighTotal:      131008 kB
HighFree:        92400 kB
LowTotal:       903652 kB
LowFree:        887936 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6984 kB
Slab:             8880 kB
Committed_AS:    63624 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 17:49:56 (client local time) WITH STATUS 1 IN 112.651 SECONDS
stats: 9048 7 112.651 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/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 22106051 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 373 2 364 364 0 9 0
[pid=9179] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc14/normalized-mps-v2-13-7-scfxm3.opb

[startup+10.0019 s]
Raw data (loadavg): 0.92 0.95 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 30766 0 0 0 934 62 0 0 25 0 1 0 22106051 97566720 19629 4294967295 134512640 135987407 3221224560 3221126576 134537371 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 23820 19629 364 364 0 23456 0
[pid=9179] vsize: 95280
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 95280

[startup+20.0025 s]
Raw data (loadavg): 0.93 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 60869 0 0 0 1871 122 0 0 25 0 1 0 22106051 192720896 38526 4294967295 134512640 135987407 3221224560 3221131664 134887887 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9179/statm): 47051 38526 364 364 0 46687 0
[pid=9179] vsize: 188204
Current children cumulated CPU time (s) 19.93
Current children cumulated vsize (Kb) 188204

[startup+30.0032 s]
Raw data (loadavg): 0.94 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 102780 0 0 0 2786 203 0 0 25 0 1 0 22106051 323801088 58250 4294967295 134512640 135987407 3221224560 3221134828 135480936 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 79053 58250 364 364 0 78689 0
[pid=9179] vsize: 316212
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (Kb) 316212

[startup+40.0039 s]
Raw data (loadavg): 0.95 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 120665 0 0 0 3750 237 0 0 25 0 1 0 22106051 382365696 75923 4294967295 134512640 135987407 3221224560 3221135000 134637837 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 93351 75923 364 364 0 92987 0
[pid=9179] vsize: 373404
Current children cumulated CPU time (s) 39.87
Current children cumulated vsize (Kb) 373404

[startup+50.0046 s]
Raw data (loadavg): 0.96 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 139179 0 0 0 4718 268 0 0 25 0 1 0 22106051 406831104 94213 4294967295 134512640 135987407 3221224560 3221132476 135481324 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 99324 94213 364 364 0 98960 0
[pid=9179] vsize: 397296
Current children cumulated CPU time (s) 49.86
Current children cumulated vsize (Kb) 397296

[startup+60.0052 s]
Raw data (loadavg): 0.96 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 204327 0 0 0 5579 401 0 0 25 0 1 0 22106051 644231168 115215 4294967295 134512640 135987407 3221224560 3221137004 134537430 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 157283 115215 364 364 0 156919 0
[pid=9179] vsize: 629132
Current children cumulated CPU time (s) 59.8
Current children cumulated vsize (Kb) 629132

[startup+70.0059 s]
Raw data (loadavg): 0.97 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 220303 0 0 0 6544 434 0 0 25 0 1 0 22106051 699416576 130999 4294967295 134512640 135987407 3221224560 3221134304 134537491 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 170756 130999 364 364 0 170392 0
[pid=9179] vsize: 683024
Current children cumulated CPU time (s) 69.78
Current children cumulated vsize (Kb) 683024

[startup+80.0066 s]
Raw data (loadavg): 0.97 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 238508 0 0 0 7510 467 0 0 25 0 1 0 22106051 723476480 148985 4294967295 134512640 135987407 3221224560 3221136576 134862192 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 176630 148985 364 364 0 176266 0
[pid=9179] vsize: 706520
Current children cumulated CPU time (s) 79.77
Current children cumulated vsize (Kb) 706520

[startup+90.0062 s]
Raw data (loadavg): 0.98 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 256773 0 0 0 8473 503 0 0 25 0 1 0 22106051 747683840 167028 4294967295 134512640 135987407 3221224560 3221142032 134537571 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 182540 167028 364 364 0 182176 0
[pid=9179] vsize: 730160
Current children cumulated CPU time (s) 89.76
Current children cumulated vsize (Kb) 730160

[startup+100.007 s]
Raw data (loadavg): 0.98 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 271067 0 0 0 9442 532 0 0 25 0 1 0 22106051 816803840 181148 4294967295 134512640 135987407 3221224560 3221139056 134887887 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9179/statm): 199415 181148 364 364 0 199051 0
[pid=9179] vsize: 797660
Current children cumulated CPU time (s) 99.74
Current children cumulated vsize (Kb) 797660

[startup+110.008 s]
Raw data (loadavg): 0.98 0.96 0.96 2/55 9179
Raw data (/proc/9179/stat): 9179 (pb2sat) R 9178 9179 4060 0 -1 0 281372 0 0 0 10404 568 0 0 25 0 1 0 22106051 470646784 114406 4294967295 134512640 135987407 3221224560 3221223224 135477274 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9179/statm): 114904 114406 364 364 0 114540 0
[pid=9179] vsize: 459616
Current children cumulated CPU time (s) 109.72
Current children cumulated vsize (Kb) 459616
One traced child (pid=9179) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 112.927
CPU time (s): 112.651
CPU user time (s): 106.721
CPU system time (s): 5.9301
CPU usage (%): 99.7551
Max. virtual memory (cumulated for all children) (Kb): 797660

Verifier Data

ERROR: no interpretation found !