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-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-qiu.opb
MD5SUMd644054326940d86bc7f3576874ac5a9
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 7968
Biggest coefficient in the objective function 9098351345664
Number of bits for the biggest coefficient in the objective function 44
Sum of the numbers in the objective function 4803935111035752
Number of bits of the sum of numbers in the objective function 53
Biggest number in a constraint 9098351345664
Number of bits of the biggest number in a constraint 44
Biggest sum of numbers in a constraint 4803935111035752
Number of bits of the biggest sum of numbers53
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.206968
Number of variables23808
Total number of constraints1192
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 constraints1192
Minimum length of a constraint31
Maximum length of a constraint5940

Trace number 42420 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc1 THE 2005-06-16 07:12:59 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25640 boxname=wulflinc1 idbench=940 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  d644054326940d86bc7f3576874ac5a9  /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-qiu.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-qiu.opb
IDLAUNCH: 25640
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.053
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		: 451.053
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:        692784 kB
Buffers:         33444 kB
Cached:         283740 kB
SwapCached:       1192 kB
Active:          44048 kB
Inactive:       275484 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        692532 kB
SwapTotal:     2097136 kB
SwapFree:      2094880 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5364 kB
Slab:            16532 kB
Committed_AS:    92720 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 07:14:53 (client local time) WITH STATUS 1 IN 114.398 SECONDS
stats: 25640 7 114.398 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): 0.92 0.95 0.90 1/55 15541
Raw data (stat): 15541 (runsolver) R 15540 8378 8377 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 912014480 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+9.99945 s]
Raw data (loadavg): 0.93 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 19532 0 0 0 955 44 0 0 25 0 1 0 912014480 59482112 11626 4294967295 134512640 135730672 3221224576 3218642968 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 14522 11626 301 301 0 14221 0
vsize: 58088
[startup+20.0002 s]
Raw data (loadavg): 0.94 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 50100 0 0 0 1894 105 0 0 25 0 1 0 912014480 163573760 27916 4294967295 134512640 135730672 3221224576 3219094056 135285983 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 39935 27916 301 301 0 39634 0
vsize: 159740
[startup+30 s]
Raw data (loadavg): 0.95 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 80662 0 0 0 2833 166 0 0 25 0 1 0 912014480 240648192 48560 4294967295 134512640 135730672 3221224576 3219619136 134770870 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 58752 48560 301 301 0 58451 0
vsize: 235008
[startup+39.9998 s]
Raw data (loadavg): 0.96 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 107120 0 0 0 3774 225 0 0 25 0 1 0 912014480 334266368 62518 4294967295 134512640 135730672 3221224576 3219567132 134608033 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 81608 62518 301 301 0 81307 0
vsize: 326432
[startup+50.001 s]
Raw data (loadavg): 0.96 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 127569 0 0 0 4730 269 0 0 25 0 1 0 912014480 363462656 82730 4294967295 134512640 135730672 3221224576 3220021592 135285983 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 88736 82731 301 301 0 88435 0
vsize: 354944
[startup+60.0004 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 189421 0 0 0 5609 390 0 0 25 0 1 0 912014480 588685312 101468 4294967295 134512640 135730672 3221224576 3220110048 134546483 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 143722 101469 301 301 0 143421 0
vsize: 574888
[startup+70.0012 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 201304 0 0 0 6576 423 0 0 25 0 1 0 912014480 622239744 113139 4294967295 134512640 135730672 3221224576 3220653480 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 151914 113139 301 301 0 151613 0
vsize: 607656
[startup+80.001 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 219380 0 0 0 7535 465 0 0 25 0 1 0 912014480 641433600 130975 4294967295 134512640 135730672 3221224576 3220843132 134608038 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 156600 130976 301 301 0 156299 0
vsize: 626400
[startup+90.0008 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 234607 0 0 0 8498 502 0 0 25 0 1 0 912014480 663060480 146023 4294967295 134512640 135730672 3221224576 3219564552 135284277 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 161880 146023 301 301 0 161579 0
vsize: 647520
[startup+100.001 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 242157 0 0 0 9480 519 0 0 25 0 1 0 912014480 713392128 153437 4294967295 134512640 135730672 3221224576 3218684692 134612322 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 174168 153438 301 301 0 173867 0
vsize: 696672
[startup+110.001 s]
Raw data (loadavg): 0.98 0.97 0.91 2/55 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 252932 0 0 0 10456 544 0 0 25 0 1 0 912014480 714170368 163965 4294967295 134512640 135730672 3221224576 3221223004 135284036 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 174358 163965 301 301 0 174057 0
vsize: 697432
[startup+114.396 s]
Raw data (loadavg): 0.99 0.97 0.91 1/54 15541
Raw data (stat): 15541 (pb2sat-v2) R 15540 8378 8377 0 -1 0 252932 0 0 0 10456 544 0 0 25 0 1 0 912014480 714170368 163965 4294967295 134512640 135730672 3221224576 3221223004 135284036 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 174358 163965 301 301 0 174057 0
vsize: 0

Child status: 1
Real time (s): 114.396
CPU time (s): 114.398
CPU user time (s): 108.622
CPU system time (s): 5.77512
CPU usage (%): 100.002
Max. virtual memory (Kb): 697432
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####