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).
  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

Namenormalized-opb/mps-v2-13-7/MIPLIB/miplib2003/normalized-mps-v2-13-7-momentum1.opb
MD5SUMacfea3028edc6266e2157b2d64da7531
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 23392
Biggest coefficient in the objective function 2048000000
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 171547966775
Number of bits of the sum of numbers in the objective function 38
Biggest number in a constraint 524288000000000000000
Number of bits of the biggest number in a constraint 69
Biggest sum of numbers in a constraint 1054942508296556904448
Number of bits of the biggest sum of numbers70
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.276957
Number of variables31067
Total number of constraints47575
Number of constraints which are clauses24365
Number of constraints which are cardinality constraints (but not clauses)3166
Number of constraints which are nor clauses,nor cardinality constraints20044
Minimum length of a constraint1
Maximum length of a constraint668

Trace number 35589 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc29 THE 2005-05-28 13:27:12 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24893 boxname=wulflinc29 idbench=1365 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  acfea3028edc6266e2157b2d64da7531  /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-13-7-momentum1.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-13-7-momentum1.opb
IDLAUNCH: 24893
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.020
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		: 451.020
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:        690696 kB
Buffers:         34880 kB
Cached:         283408 kB
SwapCached:        632 kB
Active:          25228 kB
Inactive:       295128 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        690444 kB
SwapTotal:     2097892 kB
SwapFree:      2096368 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5132 kB
Slab:            17888 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 13:29:11 (client local time) WITH STATUS 1 IN 118.529 SECONDS
stats: 24893 7 118.529 1
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc
#### END SOLVER DATA ####
#### BEGIN WATCHER DATA ####
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing VSIZE limit: 943718400 bytes
Enforcing Stack size limit: 67108864 bytes
Current StackSize limit: 67108864 bytes
Raw data (loadavg): 1.06 0.98 0.91 2/54 29399
Raw data (stat): 29399 (runsolver) R 29398 20001 20000 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 865152029 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.0008 s]
Raw data (loadavg): 1.05 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 2227 0 0 0 995 4 0 0 25 0 1 0 865152029 8089600 1551 4294967295 134512640 135726644 3221224576 3221221664 134556179 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 1975 1551 300 300 0 1675 0
vsize: 7900
[startup+20.0069 s]
Raw data (loadavg): 1.04 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 33502 0 0 0 1928 72 0 0 25 0 1 0 865152029 104517632 22336 4294967295 134512640 135726644 3221224576 3212080892 134604449 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 25517 22336 300 300 0 25217 0
vsize: 102068
[startup+30.0066 s]
Raw data (loadavg): 1.03 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 62577 0 0 0 2867 133 0 0 25 0 1 0 865152029 191287296 40186 4294967295 134512640 135726644 3221224576 3211869664 134739440 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 46701 40187 300 300 0 46401 0
vsize: 186804
[startup+40.0075 s]
Raw data (loadavg): 1.03 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 101363 0 0 0 3788 212 0 0 25 0 1 0 865152029 304365568 56772 4294967295 134512640 135726644 3221224576 3212295808 134558137 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 74308 56772 300 300 0 74008 0
vsize: 297232
[startup+50.0149 s]
Raw data (loadavg): 1.02 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 120717 0 0 0 4751 250 0 0 25 0 1 0 865152029 364142592 75894 4294967295 134512640 135726644 3221224576 3212252528 134554683 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 88902 75894 300 300 0 88602 0
vsize: 355608
[startup+60.023 s]
Raw data (loadavg): 1.02 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 163423 0 0 0 5671 331 0 0 25 0 1 0 865152029 501678080 100016 4294967295 134512640 135726644 3221224576 3211896948 135277555 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 122480 100016 300 300 0 122180 0
vsize: 489920
[startup+70.024 s]
Raw data (loadavg): 1.02 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 199544 0 0 0 6592 410 0 0 25 0 1 0 865152029 602341376 111347 4294967295 134512640 135726644 3221224576 3211857580 135287582 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 147056 111347 300 300 0 146756 0
vsize: 588224
[startup+80.0247 s]
Raw data (loadavg): 1.01 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 213502 0 0 0 7560 442 0 0 25 0 1 0 865152029 644276224 125090 4294967295 134512640 135726644 3221224576 3214167292 134604415 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 157294 125091 300 300 0 156994 0
vsize: 629176
[startup+90.0254 s]
Raw data (loadavg): 1.01 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 234127 0 0 0 8517 486 0 0 25 0 1 0 865152029 674013184 145477 4294967295 134512640 135726644 3221224576 3215040464 134767085 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 164554 145478 300 300 0 164254 0
vsize: 658216
[startup+100.025 s]
Raw data (loadavg): 1.01 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 250835 0 0 0 9484 518 0 0 25 0 1 0 865152029 748404736 161988 4294967295 134512640 135726644 3221224576 3211898152 135282351 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 182716 161991 300 300 0 182416 0
vsize: 730864
[startup+110.027 s]
Raw data (loadavg): 1.01 0.98 0.91 2/54 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 264892 0 0 0 10455 549 0 0 25 0 1 0 865152029 769470464 175792 4294967295 134512640 135726644 3221224576 3221222692 135278564 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 187859 175792 300 300 0 187559 0
vsize: 751436
[startup+118.531 s]
Raw data (loadavg): 1.01 0.98 0.91 1/53 29399
Raw data (stat): 29399 (pb2sat) R 29398 20001 20000 0 -1 0 264892 0 0 0 10455 549 0 0 25 0 1 0 865152029 769470464 175792 4294967295 134512640 135726644 3221224576 3221222692 135278564 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 187859 175792 300 300 0 187559 0
vsize: 0

Child status: 1
Real time (s): 118.531
CPU time (s): 118.529
CPU user time (s): 112.681
CPU system time (s): 5.84811
CPU usage (%): 99.9984
Max. virtual memory (Kb): 751436
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####