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-fixnet6.opb
MD5SUM1b379137169731592d0d61cac8bf57af
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 5123480
Optimality of the best value was proved NO
Number of terms in the objective function 8282
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 524133752
Number of bits of the sum of numbers in the objective function 29
Biggest number in a constraint 1048576
Number of bits of the biggest number in a constraint 21
Biggest sum of numbers in a constraint 524133752
Number of bits of the biggest sum of numbers29
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1243.61
Number of variables9890
Total number of constraints978
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)378
Number of constraints which are nor clauses,nor cardinality constraints600
Minimum length of a constraint1
Maximum length of a constraint1072

Trace number 35527

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc29 THE 2005-05-28 13:21:24 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24824 boxname=wulflinc29 idbench=1296 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  1b379137169731592d0d61cac8bf57af  /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-13-7-fixnet6.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-13-7-fixnet6.opb
IDLAUNCH: 24824
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.020
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		: 451.020
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:        732124 kB
Buffers:         34832 kB
Cached:         242384 kB
SwapCached:        632 kB
Active:          17496 kB
Inactive:       261788 kB
HighTotal:      131008 kB
HighFree:        21168 kB
LowTotal:       903652 kB
LowFree:        710956 kB
SwapTotal:     2097892 kB
SwapFree:      2096368 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5132 kB
Slab:            17560 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 13:23:13 (client local time) WITH STATUS 1 IN 108.511 SECONDS
stats: 24824 7 108.511 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): 1.05 0.96 0.91 2/54 29120
Raw data (stat): 29120 (runsolver) R 29119 20001 20000 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 865117283 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+10.001 s]
Raw data (loadavg): 1.04 0.96 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 27634 0 0 0 940 59 0 0 25 0 1 0 865117283 89382912 16657 4294967295 134512640 135726644 3221224576 3219536064 134767231 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 21822 16657 300 300 0 21522 0
vsize: 87288
[startup+20.0021 s]
Raw data (loadavg): 1.03 0.96 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 56592 0 0 0 1882 117 0 0 25 0 1 0 865117283 176185344 34650 4294967295 134512640 135726644 3221224576 3218156080 134783272 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 43014 34650 300 300 0 42714 0
vsize: 172056
[startup+30.0025 s]
Raw data (loadavg): 1.03 0.96 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 97527 0 0 0 2802 198 0 0 25 0 1 0 865117283 301232128 53901 4294967295 134512640 135726644 3221224576 3219326960 134606399 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 73543 53901 300 300 0 73243 0
vsize: 294172
[startup+40.0023 s]
Raw data (loadavg): 1.02 0.96 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 113976 0 0 0 3762 237 0 0 25 0 1 0 865117283 348844032 70116 4294967295 134512640 135726644 3221224576 3218441292 134604449 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85167 70116 300 300 0 84867 0
vsize: 340668
[startup+50.0035 s]
Raw data (loadavg): 1.02 0.97 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 145828 0 0 0 4697 303 0 0 25 0 1 0 865117283 539709440 101307 4294967295 134512640 135726644 3221224576 3219428096 135105735 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 131765 101307 300 300 0 131465 0
vsize: 527060
[startup+60.004 s]
Raw data (loadavg): 1.02 0.97 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 196566 0 0 0 5599 401 0 0 25 0 1 0 865117283 605302784 109338 4294967295 134512640 135726644 3221224576 3218823004 134634291 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 147779 109338 300 300 0 147479 0
vsize: 591116
[startup+70.0045 s]
Raw data (loadavg): 1.01 0.97 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 209200 0 0 0 6571 429 0 0 25 0 1 0 865117283 638857216 121746 4294967295 134512640 135726644 3221224576 3218872784 135280416 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 155971 121746 300 300 0 155671 0
vsize: 623884
[startup+80.0045 s]
Raw data (loadavg): 1.01 0.97 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 228712 0 0 0 7529 472 0 0 25 0 1 0 865117283 661430272 141011 4294967295 134512640 135726644 3221224576 3219118964 135277617 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 161482 141011 300 300 0 161182 0
vsize: 645928
[startup+90.0056 s]
Raw data (loadavg): 1.01 0.97 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 245908 0 0 0 8491 510 0 0 25 0 1 0 865117283 736497664 158008 4294967295 134512640 135726644 3221224576 3219079264 134766969 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 179809 158010 300 300 0 179509 0
vsize: 719236
[startup+100.005 s]
Raw data (loadavg): 1.01 0.97 0.91 2/54 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 264301 0 0 0 9450 551 0 0 25 0 1 0 865117283 763232256 176158 4294967295 134512640 135726644 3221224576 3221222840 135280487 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 186336 176158 300 300 0 186036 0
vsize: 745344
[startup+108.505 s]
Raw data (loadavg): 1.01 0.97 0.91 1/53 29120
Raw data (stat): 29120 (pb2sat) R 29119 20001 20000 0 -1 0 264301 0 0 0 9450 551 0 0 25 0 1 0 865117283 763232256 176158 4294967295 134512640 135726644 3221224576 3221222840 135280487 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 186336 176158 300 300 0 186036 0
vsize: 0

Child status: 1
Real time (s): 108.505
CPU time (s): 108.511
CPU user time (s): 102.635
CPU system time (s): 5.87611
CPU usage (%): 100.006
Max. virtual memory (Kb): 745344
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####