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/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-standgub.opb
MD5SUM596bf3240e9419031120c2cbaef1fb61
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 210
Biggest coefficient in the objective function 53687091200
Number of bits for the biggest coefficient in the objective function 36
Sum of the numbers in the objective function 326417514192
Number of bits of the sum of numbers in the objective function 39
Biggest number in a constraint 77387257610240
Number of bits of the biggest number in a constraint 47
Biggest sum of numbers in a constraint 2427818341201528
Number of bits of the biggest sum of numbers52
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.331949
Number of variables33244
Total number of constraints463
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 constraints463
Minimum length of a constraint11
Maximum length of a constraint22350

Trace number 42369 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc5 THE 2005-06-16 06:09:55 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25587 boxname=wulflinc5 idbench=887 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  596bf3240e9419031120c2cbaef1fb61  /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-standgub.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-standgub.opb
IDLAUNCH: 25587
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.007
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		: 451.007
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:        722320 kB
Buffers:         34696 kB
Cached:         254556 kB
SwapCached:        700 kB
Active:          75152 kB
Inactive:       216224 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        722068 kB
SwapTotal:     2097136 kB
SwapFree:      2095508 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5156 kB
Slab:            15376 kB
Committed_AS:    63712 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 06:11:37 (client local time) WITH STATUS 1 IN 100.762 SECONDS
stats: 25587 7 100.762 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): 0.92 0.97 0.91 1/54 9747
Raw data (stat): 9747 (runsolver) R 9746 7266 7265 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 968493336 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+10.0013 s]
Raw data (loadavg): 0.93 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 27254 0 0 0 936 62 0 0 25 0 1 0 968493336 79314944 16111 4294967295 134512640 135730672 3221224576 3221220996 135282779 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 19364 16111 301 301 0 19063 0
vsize: 77456
[startup+20.0019 s]
Raw data (loadavg): 0.94 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 55094 0 0 0 1876 122 0 0 25 0 1 0 968493336 155811840 32704 4294967295 134512640 135730672 3221224576 3221221776 134577607 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 38040 32704 301 301 0 37739 0
vsize: 152160
[startup+30.002 s]
Raw data (loadavg): 0.95 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 93309 0 0 0 2797 200 0 0 25 0 1 0 968493336 300417024 48714 4294967295 134512640 135730672 3221224576 3221205608 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 73344 48714 301 301 0 73043 0
vsize: 293376
[startup+40.0024 s]
Raw data (loadavg): 0.95 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 110713 0 0 0 3752 245 0 0 25 0 1 0 968493336 308662272 65833 4294967295 134512640 135730672 3221224576 3221209624 135285983 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 75357 65834 301 301 0 75056 0
vsize: 301428
[startup+50.0021 s]
Raw data (loadavg): 0.96 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 150474 0 0 0 4675 323 0 0 25 0 1 0 968493336 435113984 87007 4294967295 134512640 135730672 3221224576 3220777664 134786288 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 106229 87007 301 301 0 105928 0
vsize: 424916
[startup+60.0033 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 184989 0 0 0 5600 398 0 0 25 0 1 0 968493336 569331712 96748 4294967295 134512640 135730672 3221224576 3220778512 134784086 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 138997 96748 301 301 0 138696 0
vsize: 555988
[startup+70.0037 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 202462 0 0 0 6562 437 0 0 25 0 1 0 968493336 588570624 113968 4294967295 134512640 135730672 3221224576 3220776952 135285983 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 143694 113968 301 301 0 143393 0
vsize: 574776
[startup+80.0034 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 222308 0 0 0 7523 476 0 0 25 0 1 0 968493336 618926080 133571 4294967295 134512640 135730672 3221224576 3220782752 134786145 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 151105 133571 301 301 0 150804 0
vsize: 604420
[startup+90.0035 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 238175 0 0 0 8490 509 0 0 25 0 1 0 968493336 693751808 149243 4294967295 134512640 135730672 3221224576 3220785584 134770415 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 169373 149243 301 301 0 169072 0
vsize: 677492
[startup+100.003 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 244427 0 0 0 9465 533 0 0 25 0 1 0 968493336 350457856 85027 4294967295 134512640 135730672 3221224576 3221222976 134782612 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85561 85027 301 301 0 85260 0
vsize: 342244
[startup+100.776 s]
Raw data (loadavg): 0.98 0.97 0.91 1/53 9747
Raw data (stat): 9747 (pb2sat-v2) R 9746 7266 7265 0 -1 0 244427 0 0 0 9465 533 0 0 25 0 1 0 968493336 350457856 85027 4294967295 134512640 135730672 3221224576 3221222976 134782612 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85561 85027 301 301 0 85260 0
vsize: 0

Child status: 1
Real time (s): 100.776
CPU time (s): 100.762
CPU user time (s): 95.2415
CPU system time (s): 5.52016
CPU usage (%): 99.986
Max. virtual memory (Kb): 677492
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####