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/miplib2003/normalized-mps-v2-13-7-momentum1.opb
MD5SUMacfea3028edc6266e2157b2d64da7531
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 23392
Biggest coefficient in the objective function 2048000000
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 171547966775
Number of bits of the sum of numbers in the objective function 38
Biggest number in a constraint 524288000000000000000
Number of bits of the biggest number in a constraint 69
Biggest sum of numbers in a constraint 1054942508296556904448
Number of bits of the biggest sum of numbers70
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.276957
Number of variables31067
Total number of constraints47575
Number of constraints which are clauses24365
Number of constraints which are cardinality constraints (but not clauses)3166
Number of constraints which are nor clauses,nor cardinality constraints20044
Minimum length of a constraint1
Maximum length of a constraint668

Trace number 41511 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc2 THE 2005-06-09 14:33:39 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=29581 boxname=wulflinc2 idbench=1365 idsolver=21 numberseed=0
MD5SUM SOLVER: 174a32271cb3bba0a277d6d7724e60fb  /oldhome/oroussel/solvers/bsolo_lpr_cuts-v2
MD5SUM BENCH:  acfea3028edc6266e2157b2d64da7531  /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-momentum1.opb
REAL COMMAND:  bsolo_lpr_cuts-v2 /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-momentum1.opb
IDLAUNCH: 29581
/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:        793360 kB
Buffers:         23240 kB
Cached:         196416 kB
SwapCached:       1480 kB
Active:          36640 kB
Inactive:       185088 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        793108 kB
SwapTotal:     2097136 kB
SwapFree:      2094616 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           4968 kB
Slab:            13796 kB
Committed_AS:    71792 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-09 14:35:02 (client local time) WITH STATUS 0 IN 81.8596 SECONDS
stats: 29581 7 81.8596 0
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c ERROR Parsing file!!!
c ERROR parsing line: +156250000*x366_bit_7 +312500000*x366_bit_6 +625000000*x366_bit_5 +1250000000*x366_bit_4 +2500000000*x366_bit_3 +5000000000*x366_bit_2 +10000000000*x366_bit_1 +20000000000*x366_bit0 +40000000000*x366_bit1 -2735831*x5042_bit0 >= +0;
c Cannot parse input file name: /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-momentum1.opb
s UNKNOWN
c Exit Code: 0
c Total time: 81.773 s
#### 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): 0.86 0.94 0.90 1/54 29638
Raw data (stat): 29638 (runsolver) R 29637 31399 31398 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 911031697 884736 94 4294967295 134512640 135332820 3221224448 3221219628 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): 0.88 0.94 0.90 2/54 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 3993 0 0 0 989 9 0 0 25 0 1 0 911031697 29118464 3913 4294967295 134512640 134716908 3221224560 3221222788 1077414413 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 7109 3913 1111 63 0 7046 0
vsize: 28436
[startup+20.0009 s]
Raw data (loadavg): 0.90 0.94 0.90 2/54 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 8012 0 0 0 1981 17 0 0 25 0 1 0 911031697 45535232 7932 4294967295 134512640 134716908 3221224560 3221222788 1077414388 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 11117 7932 1111 63 0 11054 0
vsize: 44468
[startup+30.0009 s]
Raw data (loadavg): 0.92 0.94 0.90 2/54 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 11952 0 0 0 2974 24 0 0 25 0 1 0 911031697 61845504 11872 4294967295 134512640 134716908 3221224560 3221222788 1077414388 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 15099 11872 1111 63 0 15036 0
vsize: 60396
[startup+40.0006 s]
Raw data (loadavg): 0.93 0.94 0.90 2/54 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 16033 0 0 0 3966 32 0 0 25 0 1 0 911031697 78458880 15953 4294967295 134512640 134716908 3221224560 3221222896 134568180 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 19155 15953 1111 63 0 19092 0
vsize: 76620
[startup+50.001 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 20318 0 0 0 4958 40 0 0 25 0 1 0 911031697 95956992 20238 4294967295 134512640 134716908 3221224560 3221223216 134527946 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 23427 20238 1111 63 0 23364 0
vsize: 93708
[startup+60.001 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 24888 0 0 0 5949 49 0 0 25 0 1 0 911031697 114774016 24808 4294967295 134512640 134716908 3221224560 3221223216 134527932 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 28021 24808 1111 63 0 27958 0
vsize: 112084
[startup+70.0008 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 29715 0 0 0 6941 57 0 0 25 0 1 0 911031697 134520832 29635 4294967295 134512640 134716908 3221224560 3221222788 1077414426 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 32842 29635 1111 63 0 32779 0
vsize: 131368
[startup+80.0017 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 38827 0 0 0 7924 74 0 0 25 0 1 0 911031697 171872256 38747 4294967295 134512640 134716908 3221224560 3221222844 1077399562 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 41961 38747 1111 63 0 41898 0
vsize: 167844
[startup+81.8675 s]
Raw data (loadavg): 0.96 0.95 0.91 1/53 29638
Raw data (stat): 29638 (bsolo_lpr_cuts-) R 29637 31399 31398 0 -1 0 38827 0 0 0 7924 74 0 0 25 0 1 0 911031697 171872256 38747 4294967295 134512640 134716908 3221224560 3221222844 1077399562 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 41961 38747 1111 63 0 41898 0
vsize: 0

Child status: 0
Real time (s): 81.8672
CPU time (s): 81.8596
CPU user time (s): 80.9387
CPU system time (s): 0.92086
CPU usage (%): 99.9907
Max. virtual memory (Kb): 167844
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####