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/miplib/normalized-mps-v2-13-7-misc07.opb
MD5SUM9cc94d1db4d494288ef67a8d5ad5d77e
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1408128
Optimality of the best value was proved NO
Number of terms in the objective function 21
Biggest coefficient in the objective function 1048576
Number of bits for the biggest coefficient in the objective function 21
Sum of the numbers in the objective function 2097151
Number of bits of the sum of numbers in the objective function 21
Biggest number in a constraint 1048576
Number of bits of the biggest number in a constraint 21
Biggest sum of numbers in a constraint 11486079
Number of bits of the biggest sum of numbers24
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1189.01
Number of variables280
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 constraint253

Trace number 35539 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc2 THE 2005-05-28 13:22:41 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24837 boxname=wulflinc2 idbench=1309 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  9cc94d1db4d494288ef67a8d5ad5d77e  /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-misc07.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-misc07.opb
IDLAUNCH: 24837
/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:        699324 kB
Buffers:         37468 kB
Cached:         275396 kB
SwapCached:        820 kB
Active:          19108 kB
Inactive:       295944 kB
HighTotal:      131008 kB
HighFree:          644 kB
LowTotal:       903652 kB
LowFree:        698680 kB
SwapTotal:     2097136 kB
SwapFree:      2095480 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5340 kB
Slab:            14724 kB
Committed_AS:    71788 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 13:24:24 (client local time) WITH STATUS 1 IN 102.432 SECONDS
stats: 24837 7 102.432 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): 0.93 0.97 0.91 2/54 12151
Raw data (stat): 12151 (runsolver) R 12150 31399 31398 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806911489 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+10.0001 s]
Raw data (loadavg): 0.94 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 31594 0 0 0 934 64 0 0 25 0 1 0 806911489 91561984 20436 4294967295 134512640 135726644 3221224592 3221168712 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 22354 20436 300 300 0 22054 0
vsize: 89416
[startup+20.0012 s]
Raw data (loadavg): 0.95 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 62320 0 0 0 1874 125 0 0 25 0 1 0 806911489 180494336 39924 4294967295 134512640 135726644 3221224592 3221145712 135287555 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 44066 39924 300 300 0 43766 0
vsize: 176264
[startup+30.0014 s]
Raw data (loadavg): 0.96 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 101541 0 0 0 2798 201 0 0 25 0 1 0 806911489 332677120 56954 4294967295 134512640 135726644 3221224592 3221189824 134767123 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 81220 56954 300 300 0 80920 0
vsize: 324880
[startup+40.0011 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 122249 0 0 0 3756 243 0 0 25 0 1 0 806911489 356196352 77397 4294967295 134512640 135726644 3221224592 3221194712 135281258 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 86962 77397 300 300 0 86662 0
vsize: 347848
[startup+50.0023 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 171740 0 0 0 4666 333 0 0 25 0 1 0 806911489 697499648 107295 4294967295 134512640 135726644 3221224592 3221205552 134784885 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 170288 107295 300 300 0 169988 0
vsize: 681152
[startup+60.0026 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 197598 0 0 0 5612 387 0 0 25 0 1 0 806911489 596832256 108434 4294967295 134512640 135726644 3221224592 3221168792 135281197 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 145711 108434 300 300 0 145411 0
vsize: 582844
[startup+70.0032 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 209131 0 0 0 6590 409 0 0 25 0 1 0 806911489 630386688 119757 4294967295 134512640 135726644 3221224592 3221189008 134766779 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 153903 119757 300 300 0 153603 0
vsize: 615612
[startup+80.0044 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 223181 0 0 0 7561 439 0 0 25 0 1 0 806911489 630386688 133559 4294967295 134512640 135726644 3221224592 3221207356 135105713 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 153903 133559 300 300 0 153603 0
vsize: 615612
[startup+90.0036 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 234679 0 0 0 8539 461 0 0 25 0 1 0 806911489 680718336 144854 4294967295 134512640 135726644 3221224592 3221163452 134604446 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 166191 144854 300 300 0 165891 0
vsize: 664764
[startup+100.004 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 249102 0 0 0 9509 491 0 0 25 0 1 0 806911489 691904512 159068 4294967295 134512640 135726644 3221224592 3221223056 134732747 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 168922 159068 300 300 0 168622 0
vsize: 675688
[startup+102.432 s]
Raw data (loadavg): 0.98 0.97 0.91 1/53 12151
Raw data (stat): 12151 (pb2sat) R 12150 31399 31398 0 -1 0 249102 0 0 0 9509 491 0 0 25 0 1 0 806911489 691904512 159068 4294967295 134512640 135726644 3221224592 3221223056 134732747 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 168922 159068 300 300 0 168622 0
vsize: 0

Child status: 1
Real time (s): 102.432
CPU time (s): 102.432
CPU user time (s): 97.1972
CPU system time (s): 5.2352
CPU usage (%): 100.001
Max. virtual memory (Kb): 681152
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####