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/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-greenbea.opb
MD5SUM44cf829c3f56aa0e06d9c19014e5de34
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 10788
Biggest coefficient in the objective function 524288000000
Number of bits for the biggest coefficient in the objective function 39
Sum of the numbers in the objective function 20280599220360
Number of bits of the sum of numbers in the objective function 45
Biggest number in a constraint 524288000000
Number of bits of the biggest number in a constraint 39
Biggest sum of numbers in a constraint 23881563011625
Number of bits of the biggest sum of numbers45
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.958853
Number of variables104437
Total number of constraints2675
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 constraints2675
Minimum length of a constraint8
Maximum length of a constraint4913

Trace number 35438 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc26 THE 2005-05-28 13:13:01 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24749 boxname=wulflinc26 idbench=1221 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  44cf829c3f56aa0e06d9c19014e5de34  /oldhome/oroussel/tmp/wulflinc26/normalized-mps-v2-13-7-greenbea.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc26/normalized-mps-v2-13-7-greenbea.opb
IDLAUNCH: 24749
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.061
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		: 451.061
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	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        822768 kB
Buffers:          2804 kB
Cached:         185756 kB
SwapCached:        684 kB
Active:          34164 kB
Inactive:       156404 kB
HighTotal:      131008 kB
HighFree:        40152 kB
LowTotal:       903652 kB
LowFree:        782616 kB
SwapTotal:     2097892 kB
SwapFree:      2096256 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5088 kB
Slab:            15600 kB
Committed_AS:    63732 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 13:14:53 (client local time) WITH STATUS 1 IN 111.663 SECONDS
stats: 24749 7 111.663 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): 0.84 0.93 0.90 2/54 2599
Raw data (stat): 2599 (runsolver) R 2598 20687 20686 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 865078285 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+10.0011 s]
Raw data (loadavg): 0.87 0.93 0.90 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 22779 0 0 0 948 51 0 0 25 0 1 0 865078285 92807168 14762 4294967295 134512640 135726644 3221224576 3216899792 134784885 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 22658 14762 300 300 0 22358 0
vsize: 90632
[startup+20.0017 s]
Raw data (loadavg): 0.89 0.94 0.90 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 53803 0 0 0 1883 116 0 0 25 0 1 0 865078285 174837760 31494 4294967295 134512640 135726644 3221224576 3216916512 135279136 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 42685 31494 300 300 0 42385 0
vsize: 170740
[startup+30.002 s]
Raw data (loadavg): 0.90 0.94 0.90 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 83624 0 0 0 2826 173 0 0 25 0 1 0 865078285 250568704 51377 4294967295 134512640 135726644 3221224576 3216920496 134604405 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 61174 51377 300 300 0 60874 0
vsize: 244696
[startup+40.0017 s]
Raw data (loadavg): 0.92 0.94 0.90 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 111392 0 0 0 3770 229 0 0 25 0 1 0 865078285 349593600 66637 4294967295 134512640 135726644 3221224576 3216911328 134554568 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 85350 66637 300 300 0 85050 0
vsize: 341400
[startup+50.0026 s]
Raw data (loadavg): 0.93 0.94 0.90 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 148342 0 0 0 4698 302 0 0 25 0 1 0 865078285 549285888 102722 4294967295 134512640 135726644 3221224576 3216962960 134771705 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 134103 102724 300 300 0 133803 0
vsize: 536412
[startup+60.002 s]
Raw data (loadavg): 0.94 0.94 0.91 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 184838 0 0 0 5623 377 0 0 25 0 1 0 865078285 697155584 120259 4294967295 134512640 135726644 3221224576 3216928192 134784885 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 170204 120263 300 300 0 169904 0
vsize: 680816
[startup+70.0019 s]
Raw data (loadavg): 0.95 0.94 0.91 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 202315 0 0 0 6580 419 0 0 25 0 1 0 865078285 630042624 112974 4294967295 134512640 135726644 3221224576 3216913264 134739597 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 153819 112975 300 300 0 153519 0
vsize: 615276
[startup+80.0026 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 223070 0 0 0 7539 461 0 0 25 0 1 0 865078285 660205568 133472 4294967295 134512640 135726644 3221224576 3216932664 135280702 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 161183 133472 300 300 0 160883 0
vsize: 644732
[startup+90.002 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 243757 0 0 0 8498 502 0 0 25 0 1 0 865078285 691036160 153915 4294967295 134512640 135726644 3221224576 3217027752 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 168710 153916 300 300 0 168410 0
vsize: 674840
[startup+100.002 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 259649 0 0 0 9469 532 0 0 25 0 1 0 865078285 764915712 169624 4294967295 134512640 135726644 3221224576 3216907280 134782642 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 186747 169625 300 300 0 186447 0
vsize: 746988
[startup+110.002 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 260455 0 0 0 10453 547 0 0 25 0 1 0 865078285 406056960 98685 4294967295 134512640 135726644 3221224576 3221222832 135279084 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 99135 98685 300 300 0 98835 0
vsize: 396540
[startup+111.657 s]
Raw data (loadavg): 0.97 0.95 0.91 1/53 2599
Raw data (stat): 2599 (pb2sat) R 2598 20687 20686 0 -1 0 260455 0 0 0 10453 547 0 0 25 0 1 0 865078285 406056960 98685 4294967295 134512640 135726644 3221224576 3221222832 135279084 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 99135 98685 300 300 0 98835 0
vsize: 0

Child status: 1
Real time (s): 111.657
CPU time (s): 111.663
CPU user time (s): 105.984
CPU system time (s): 5.67914
CPU usage (%): 100.006
Max. virtual memory (Kb): 746988
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####