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/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-brandy.opb
MD5SUMebc4ba4a34e7e59de4a64f55746baa39
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 60
Biggest coefficient in the objective function 536870912
Number of bits for the biggest coefficient in the objective function 30
Sum of the numbers in the objective function 2147483646
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 10936060477440
Number of bits of the biggest number in a constraint 44
Biggest sum of numbers in a constraint 138160507849056
Number of bits of the biggest sum of numbers47
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.430933
Number of variables7470
Total number of constraints182
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 constraints182
Minimum length of a constraint30
Maximum length of a constraint3540

Trace number 35035 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc18 THE 2005-05-28 12:02:54 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24345 boxname=wulflinc18 idbench=817 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  ebc4ba4a34e7e59de4a64f55746baa39  /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-20-10-brandy.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-20-10-brandy.opb
IDLAUNCH: 24345
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.177
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		: 451.177
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:        709168 kB
Buffers:         33096 kB
Cached:         259600 kB
SwapCached:        792 kB
Active:          20728 kB
Inactive:       274056 kB
HighTotal:      131008 kB
HighFree:        75292 kB
LowTotal:       903652 kB
LowFree:        633876 kB
SwapTotal:     2097892 kB
SwapFree:      2096240 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5120 kB
Slab:            25148 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 12:04:41 (client local time) WITH STATUS 1 IN 106.699 SECONDS
stats: 24345 7 106.699 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): 0.83 0.93 0.90 2/54 1315
Raw data (stat): 1315 (runsolver) R 1314 24172 24171 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 864636199 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.0006 s]
Raw data (loadavg): 0.86 0.93 0.90 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 28248 0 0 0 936 63 0 0 25 0 1 0 864636199 83595264 17101 4294967295 134512640 135726644 3221224576 3221039836 134604449 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 20409 17101 300 300 0 20109 0
vsize: 81636
[startup+20.0015 s]
Raw data (loadavg): 0.88 0.93 0.90 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 56628 0 0 0 1878 121 0 0 25 0 1 0 864636199 169345024 34269 4294967295 134512640 135726644 3221224576 3221046296 134784072 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 41344 34269 300 300 0 41044 0
vsize: 165376
[startup+30.0028 s]
Raw data (loadavg): 0.90 0.93 0.90 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 96315 0 0 0 2802 197 0 0 25 0 1 0 864636199 294129664 52284 4294967295 134512640 135726644 3221224576 3221044636 134604449 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 71809 52284 300 300 0 71509 0
vsize: 287236
[startup+40.0024 s]
Raw data (loadavg): 0.91 0.93 0.90 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 111743 0 0 0 3772 227 0 0 25 0 1 0 864636199 339308544 67487 4294967295 134512640 135726644 3221224576 3221046684 134766524 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 82839 67487 300 300 0 82539 0
vsize: 331356
[startup+50.0033 s]
Raw data (loadavg): 0.93 0.94 0.90 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 143817 0 0 0 4713 287 0 0 25 0 1 0 864636199 530313216 98880 4294967295 134512640 135726644 3221224576 3221050704 134771630 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 129471 98880 300 300 0 129171 0
vsize: 517884
[startup+60.0036 s]
Raw data (loadavg): 0.94 0.94 0.90 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 192256 0 0 0 5610 389 0 0 25 0 1 0 864636199 589004800 103634 4294967295 134512640 135726644 3221224576 3221056880 134556973 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 143800 103634 300 300 0 143500 0
vsize: 575200
[startup+70.0041 s]
Raw data (loadavg): 0.95 0.94 0.91 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 203685 0 0 0 6587 413 0 0 25 0 1 0 864636199 622559232 114859 4294967295 134512640 135726644 3221224576 3221058636 134604406 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 151992 114859 300 300 0 151692 0
vsize: 607968
[startup+80.0054 s]
Raw data (loadavg): 0.95 0.94 0.91 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 222323 0 0 0 7552 448 0 0 25 0 1 0 864636199 644186112 133259 4294967295 134512640 135726644 3221224576 3221066656 134554799 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 157272 133259 300 300 0 156972 0
vsize: 629088
[startup+90.0055 s]
Raw data (loadavg): 0.96 0.94 0.91 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 242416 0 0 0 8509 491 0 0 25 0 1 0 864636199 723308544 153120 4294967295 134512640 135726644 3221224576 3221062944 134780358 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 176589 153120 300 300 0 176289 0
vsize: 706356
[startup+100.006 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 259471 0 0 0 9475 525 0 0 25 0 1 0 864636199 747638784 169977 4294967295 134512640 135726644 3221224576 3221071872 134554691 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 182529 169977 300 300 0 182229 0
vsize: 730116
[startup+106.696 s]
Raw data (loadavg): 0.97 0.94 0.91 1/53 1315
Raw data (stat): 1315 (pb2sat) R 1314 24172 24171 0 -1 0 259471 0 0 0 9475 525 0 0 25 0 1 0 864636199 747638784 169977 4294967295 134512640 135726644 3221224576 3221071872 134554691 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 182529 169977 300 300 0 182229 0
vsize: 0

Child status: 1
Real time (s): 106.696
CPU time (s): 106.699
CPU user time (s): 101.036
CPU system time (s): 5.66314
CPU usage (%): 100.003
Max. virtual memory (Kb): 730116
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####