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/miplib3/normalized-mps-v2-20-10-misc07.opb
MD5SUMb95827c7e083aae37933a3b226b8189b
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1076833280
Optimality of the best value was proved NO
Number of terms in the objective function 31
Biggest coefficient in the objective function 1073741824
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 2147483647
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 1073741824
Number of bits of the biggest number in a constraint 31
Biggest sum of numbers in a constraint 3287948287
Number of bits of the biggest sum of numbers32
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1243.78
Number of variables290
Total number of constraints471
Number of constraints which are clauses127
Number of constraints which are cardinality constraints (but not clauses)272
Number of constraints which are nor clauses,nor cardinality constraints72
Minimum length of a constraint1
Maximum length of a constraint263

Trace number 42526 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc6 THE 2005-06-16 09:57:27 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25746 boxname=wulflinc6 idbench=1046 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  b95827c7e083aae37933a3b226b8189b  /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-20-10-misc07.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-20-10-misc07.opb
IDLAUNCH: 25746
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.042
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		: 451.042
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:        707512 kB
Buffers:         33688 kB
Cached:         271080 kB
SwapCached:       1028 kB
Active:          36976 kB
Inactive:       269964 kB
HighTotal:      131008 kB
HighFree:         2940 kB
LowTotal:       903652 kB
LowFree:        704572 kB
SwapTotal:     2097136 kB
SwapFree:      2095200 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5092 kB
Slab:            14620 kB
Committed_AS:    63848 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 09:59:19 (client local time) WITH STATUS 1 IN 111.279 SECONDS
stats: 25746 7 111.279 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
Raw data (loadavg): 0.91 0.94 0.90 2/54 18058
Raw data (stat): 18058 (runsolver) R 18057 25568 25567 0 -1 64 3 0 0 0 0 0 0 0 19 0 1 0 969857665 884736 93 4294967295 134512640 135332820 3221224464 3221219508 134703346 0 0 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 93 205 205 0 11 0
vsize: 864
Current StackSize limit: 67108864 bytes
[startup+10.0003 s]
Raw data (loadavg): 0.92 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 29516 0 0 0 940 59 0 0 25 0 1 0 969857665 89059328 18379 4294967295 134512640 135730672 3221224576 3221145576 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 21743 18380 301 301 0 21442 0
vsize: 86972
[startup+20.0001 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 58231 0 0 0 1884 116 0 0 25 0 1 0 969857665 175153152 35879 4294967295 134512640 135730672 3221224576 3221149328 134786871 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 42762 35880 301 301 0 42461 0
vsize: 171048
[startup+30.0006 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 98652 0 0 0 2806 193 0 0 25 0 1 0 969857665 298782720 54110 4294967295 134512640 135730672 3221224576 3221139008 134785978 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 72945 54110 301 301 0 72644 0
vsize: 291780
[startup+40.0007 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 114771 0 0 0 3776 224 0 0 25 0 1 0 969857665 345989120 70004 4294967295 134512640 135730672 3221224576 3221193920 134546483 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 84470 70004 301 301 0 84169 0
vsize: 337880
[startup+50.0006 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 147690 0 0 0 4714 286 0 0 25 0 1 0 969857665 538476544 102219 4294967295 134512640 135730672 3221224576 3221186128 134775341 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 131464 102222 301 301 0 131163 0
vsize: 525856
[startup+60.0011 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 196050 0 0 0 5615 386 0 0 25 0 1 0 969857665 596897792 106915 4294967295 134512640 135730672 3221224576 3221170344 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 145727 106916 301 301 0 145426 0
vsize: 582908
[startup+70.0012 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 207767 0 0 0 6589 412 0 0 25 0 1 0 969857665 630452224 118426 4294967295 134512640 135730672 3221224576 3221145628 134608033 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 153919 118427 301 301 0 153618 0
vsize: 615676
[startup+80.001 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 226282 0 0 0 7555 447 0 0 25 0 1 0 969857665 651403264 136705 4294967295 134512640 135730672 3221224576 3221189776 134610000 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 159034 136705 301 301 0 158733 0
vsize: 636136
[startup+90.0015 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 242940 0 0 0 8523 479 0 0 25 0 1 0 969857665 725254144 153172 4294967295 134512640 135730672 3221224576 3221172744 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 177064 153172 301 301 0 176763 0
vsize: 708256
[startup+100.002 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 263307 0 0 0 9481 521 0 0 25 0 1 0 969857665 754044928 173304 4294967295 134512640 135730672 3221224576 3221177304 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 184093 173305 301 301 0 183792 0
vsize: 736372
[startup+110.002 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 265983 0 0 0 10459 543 0 0 25 0 1 0 969857665 398155776 96776 4294967295 134512640 135730672 3221224576 3221222976 134782612 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 97206 96776 301 301 0 96905 0
vsize: 388824
[startup+111.255 s]
Raw data (loadavg): 0.98 0.95 0.91 1/53 18058
Raw data (stat): 18058 (pb2sat-v2) R 18057 25568 25567 0 -1 0 265983 0 0 0 10459 543 0 0 25 0 1 0 969857665 398155776 96776 4294967295 134512640 135730672 3221224576 3221222976 134782612 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 97206 96776 301 301 0 96905 0
vsize: 0

Child status: 1
Real time (s): 111.255
CPU time (s): 111.279
CPU user time (s): 105.642
CPU system time (s): 5.63714
CPU usage (%): 100.021
Max. virtual memory (Kb): 736372
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####