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/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-brandy.opb
MD5SUM5464ba13512fadc59abc6d202ef51bdf
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 40
Biggest coefficient in the objective function 524288
Number of bits for the biggest coefficient in the objective function 20
Sum of the numbers in the objective function 2097150
Number of bits of the sum of numbers in the objective function 21
Biggest number in a constraint 10679746560
Number of bits of the biggest number in a constraint 34
Biggest sum of numbers in a constraint 134922242400
Number of bits of the biggest sum of numbers37
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.422935
Number of variables4980
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 constraint20
Maximum length of a constraint2360

Trace number 42684 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc2 THE 2005-06-16 13:49:17 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25901 boxname=wulflinc2 idbench=1201 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  5464ba13512fadc59abc6d202ef51bdf  /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-brandy.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-brandy.opb
IDLAUNCH: 25901
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.191
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		: 451.191
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:        741880 kB
Buffers:          8040 kB
Cached:         262336 kB
SwapCached:       1420 kB
Active:          25124 kB
Inactive:       247268 kB
HighTotal:      131008 kB
HighFree:        13244 kB
LowTotal:       903652 kB
LowFree:        728636 kB
SwapTotal:     2097136 kB
SwapFree:      2094720 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5056 kB
Slab:            14572 kB
Committed_AS:    71904 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 13:51:09 (client local time) WITH STATUS 1 IN 112.103 SECONDS
stats: 25901 7 112.103 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): 0.84 0.94 0.90 2/54 10921
Raw data (stat): 10921 (runsolver) R 10920 31399 31398 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 971253748 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+10.0007 s]
Raw data (loadavg): 0.87 0.94 0.90 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 27999 0 0 0 941 57 0 0 25 0 1 0 971253748 84250624 16866 4294967295 134512640 135730672 3221224576 3221087788 134787736 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 20569 16866 301 301 0 20268 0
vsize: 82276
[startup+20.0014 s]
Raw data (loadavg): 0.89 0.94 0.90 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 55253 0 0 0 1886 112 0 0 25 0 1 0 971253748 168964096 33173 4294967295 134512640 135730672 3221224576 3221102632 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 41251 33173 301 301 0 40950 0
vsize: 165004
[startup+30.0011 s]
Raw data (loadavg): 0.90 0.94 0.90 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 95157 0 0 0 2807 190 0 0 25 0 1 0 971253748 293675008 50899 4294967295 134512640 135730672 3221224576 3221095120 134546483 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 71698 50899 301 301 0 71397 0
vsize: 286792
[startup+40.0007 s]
Raw data (loadavg): 0.92 0.94 0.90 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 109117 0 0 0 3779 218 0 0 25 0 1 0 971253748 336285696 64648 4294967295 134512640 135730672 3221224576 3221105776 134546400 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 82101 64649 301 301 0 81800 0
vsize: 328404
[startup+50.0004 s]
Raw data (loadavg): 0.93 0.94 0.90 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 128604 0 0 0 4743 255 0 0 25 0 1 0 971253748 364269568 83909 4294967295 134512640 135730672 3221224576 3221098368 134770867 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 88933 83910 301 301 0 88632 0
vsize: 355732
[startup+60.0011 s]
Raw data (loadavg): 0.94 0.95 0.90 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 189667 0 0 0 5621 377 0 0 25 0 1 0 971253748 590716928 100853 4294967295 134512640 135730672 3221224576 3221097992 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 144218 100854 301 301 0 143917 0
vsize: 576872
[startup+70.0018 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 200253 0 0 0 6598 400 0 0 25 0 1 0 971253748 624271360 111249 4294967295 134512640 135730672 3221224576 3221117356 134608023 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 152410 111249 301 301 0 152109 0
vsize: 609640
[startup+80.0015 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 215260 0 0 0 7570 428 0 0 25 0 1 0 971253748 634683392 126035 4294967295 134512640 135730672 3221224576 3221108172 135282781 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 154952 126035 301 301 0 154651 0
vsize: 619808
[startup+90.0012 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 234475 0 0 0 8532 467 0 0 25 0 1 0 971253748 662257664 145027 4294967295 134512640 135730672 3221224576 3221109932 134608072 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 161684 145027 301 301 0 161383 0
vsize: 646736
[startup+100.001 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 250009 0 0 0 9502 496 0 0 25 0 1 0 971253748 734760960 160381 4294967295 134512640 135730672 3221224576 3221120736 134607982 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 179418 160382 301 301 0 179117 0
vsize: 717540
[startup+110.002 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 262924 0 0 0 10458 541 0 0 25 0 1 0 971253748 393469952 95642 4294967295 134512640 135730672 3221224576 3221222832 135282716 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 96062 95642 301 301 0 95761 0
vsize: 384248
[startup+112.116 s]
Raw data (loadavg): 0.97 0.95 0.91 1/53 10921
Raw data (stat): 10921 (pb2sat-v2) R 10920 31399 31398 0 -1 0 262924 0 0 0 10458 541 0 0 25 0 1 0 971253748 393469952 95642 4294967295 134512640 135730672 3221224576 3221222832 135282716 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 96062 95642 301 301 0 95761 0
vsize: 0

Child status: 1
Real time (s): 112.115
CPU time (s): 112.103
CPU user time (s): 106.481
CPU system time (s): 5.62215
CPU usage (%): 99.9889
Max. virtual memory (Kb): 717540
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####