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-cap6000.opb
MD5SUMb4da9562dcd40afcc9afd9f695cf339d
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -258414
Optimality of the best value was proved NO
Number of terms in the objective function 5995
Biggest coefficient in the objective function 91110
Number of bits for the biggest coefficient in the objective function 17
Sum of the numbers in the objective function 12969603
Number of bits of the sum of numbers in the objective function 24
Biggest number in a constraint 800000
Number of bits of the biggest number in a constraint 20
Biggest sum of numbers in a constraint 28761906
Number of bits of the biggest sum of numbers25
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1175.18
Number of variables6000
Total number of constraints8176
Number of constraints which are clauses222
Number of constraints which are cardinality constraints (but not clauses)7919
Number of constraints which are nor clauses,nor cardinality constraints35
Minimum length of a constraint1
Maximum length of a constraint6000

Trace number 35240 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc7 THE 2005-05-28 12:32:13 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24548 boxname=wulflinc7 idbench=1020 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  b4da9562dcd40afcc9afd9f695cf339d  /oldhome/oroussel/tmp/wulflinc7/normalized-mps-v2-20-10-cap6000.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc7/normalized-mps-v2-20-10-cap6000.opb
IDLAUNCH: 24548
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.050
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	: 890.88

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.050
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:        739408 kB
Buffers:         35872 kB
Cached:         238068 kB
SwapCached:        644 kB
Active:          27432 kB
Inactive:       248564 kB
HighTotal:      131008 kB
HighFree:        15540 kB
LowTotal:       903652 kB
LowFree:        723868 kB
SwapTotal:     2097136 kB
SwapFree:      2095560 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5108 kB
Slab:            13604 kB
Committed_AS:    63592 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 12:33:58 (client local time) WITH STATUS 1 IN 104.636 SECONDS
stats: 24548 7 104.636 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): 0.90 0.95 0.90 2/54 8698
Raw data (stat): 8698 (runsolver) R 8697 24300 24299 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806613751 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): 0.92 0.95 0.90 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 27469 0 0 0 939 59 0 0 25 0 1 0 806613751 89796608 16340 4294967295 134512640 135726644 3221224576 3219243600 134780358 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 21923 16340 300 300 0 21623 0
vsize: 87692
[startup+20.0016 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 55458 0 0 0 1883 116 0 0 25 0 1 0 806613751 176566272 33106 4294967295 134512640 135726644 3221224576 3219046152 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 43107 33106 300 300 0 42807 0
vsize: 172428
[startup+30.0022 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 82862 0 0 0 2828 171 0 0 25 0 1 0 806613751 246620160 50600 4294967295 134512640 135726644 3221224576 3218893752 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 60210 50601 300 300 0 59910 0
vsize: 240840
[startup+40.0022 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 110996 0 0 0 3767 232 0 0 25 0 1 0 806613751 347942912 66233 4294967295 134512640 135726644 3221224576 3219144192 134603594 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 84947 66234 300 300 0 84647 0
vsize: 339788
[startup+50.0025 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 156833 0 0 0 4683 316 0 0 25 0 1 0 806613751 558678016 110834 4294967295 134512640 135726644 3221224576 3219745616 135278614 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 136396 110834 300 300 0 136096 0
vsize: 545584
[startup+60.0026 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 190761 0 0 0 5609 390 0 0 25 0 1 0 806613751 692895744 126161 4294967295 134512640 135726644 3221224576 3218900592 134784885 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 169164 126166 300 300 0 168864 0
vsize: 676656
[startup+70.0031 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 204489 0 0 0 6574 426 0 0 25 0 1 0 806613751 630784000 115076 4294967295 134512640 135726644 3221224576 3219979752 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 154000 115077 300 300 0 153700 0
vsize: 616000
[startup+80.0034 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 224910 0 0 0 7531 468 0 0 25 0 1 0 806613751 663494656 135252 4294967295 134512640 135726644 3221224576 3219302064 134767079 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 161986 135253 300 300 0 161686 0
vsize: 647944
[startup+90.0036 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 245733 0 0 0 8485 515 0 0 25 0 1 0 806613751 694853632 155832 4294967295 134512640 135726644 3221224576 3219850464 134767079 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 169642 155833 300 300 0 169342 0
vsize: 678568
[startup+100.004 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 256893 0 0 0 9449 550 0 0 25 0 1 0 806613751 402137088 97762 4294967295 134512640 135726644 3221224576 3221222764 135277627 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 98178 97762 300 300 0 97878 0
vsize: 392712
[startup+104.642 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 8698
Raw data (stat): 8698 (pb2sat) R 8697 24300 24299 0 -1 0 256893 0 0 0 9449 550 0 0 25 0 1 0 806613751 402137088 97762 4294967295 134512640 135726644 3221224576 3221222764 135277627 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 98178 97762 300 300 0 97878 0
vsize: 0

Child status: 1
Real time (s): 104.642
CPU time (s): 104.636
CPU user time (s): 98.928
CPU system time (s): 5.70813
CPU usage (%): 99.9941
Max. virtual memory (Kb): 678568
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####