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-bnl2.opb
MD5SUM25ba81ffd6b61270ad99e5bd6f700914
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 33700
Biggest coefficient in the objective function 314887372800
Number of bits for the biggest coefficient in the objective function 39
Sum of the numbers in the objective function 11048951166825
Number of bits of the sum of numbers in the objective function 44
Biggest number in a constraint 314887372800
Number of bits of the biggest number in a constraint 39
Biggest sum of numbers in a constraint 11048951166825
Number of bits of the biggest sum of numbers44
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.632903
Number of variables69780
Total number of constraints2280
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 constraints2280
Minimum length of a constraint20
Maximum length of a constraint1640

Trace number 27842

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc18 THE 2005-05-24 23:35:44 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=15550 boxname=wulflinc18 idbench=1197 idsolver=2 numberseed=0
MD5SUM SOLVER: 754786be69defe53c030aa54f111e0a7  /oldhome/oroussel/solvers/bsolo_lpr_cuts
MD5SUM BENCH:  25ba81ffd6b61270ad99e5bd6f700914  /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-13-7-bnl2.opb
REAL COMMAND:  bsolo_lpr_cuts /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-13-7-bnl2.opb
IDLAUNCH: 15550
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.177
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		: 451.177
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:        871872 kB
Buffers:         14844 kB
Cached:         126236 kB
SwapCached:        836 kB
Active:          27648 kB
Inactive:       115968 kB
HighTotal:      131008 kB
HighFree:        43204 kB
LowTotal:       903652 kB
LowFree:        828668 kB
SwapTotal:     2097892 kB
SwapFree:      2096620 kB
Dirty:             324 kB
Writeback:           0 kB
Mapped:           5664 kB
Slab:            13452 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-24 23:39:32 (client local time) WITH STATUS 0 IN 227.224 SECONDS
stats: 15550 7 227.224 0
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c ERROR Parsing file!!!
c ERROR parsing line: -3053*X1001001_bit_7 -6106*X1001001_bit_6 -12212*X1001001_bit_5 -24424*X1001001_bit_4 -48848*X1001001_bit_3 -97696*X1001001_bit_2 -195392*X1001001_bit_1 -390784*X1001001_bit0 -781568*X1001001_bit1 -1563136*X1001001_bit2 -3126272*X1001001_bit3 -6252544*X1001001_bit4 -12505088*X1001001_bit5 -25010176*X1001001_bit6 -50020352*X1001001_bit7 -100040704*X1001001_bit8 -200081408*X1001001_bit9 -400162816*X1001001_bit10 -800325632*X1001001_bit11 -1600651264*X1001001_bit12 -4884*X1001002_bit_7 -9768*X1001002_bit_6 -19536*X1001002_bit_5 -39072*X1001002_bit_4 -78144*X1001002_bit_3 -156288*X1001002_bit_2 -312576*X1001002_bit_1 -625152*X1001002_bit0 -1250304*X1001002_bit1 -2500608*X1001002_bit2 -5001216*X1001002_bit3 -10002432*X1001002_bit4 -20004864*X1001002_bit5 -40009728*X1001002_bit6 -80019456*X1001002_bit7 -160038912*X1001002_bit8 -320077824*X1001002_bit9 -640155648*X1001002_bit10 -1280311296*X1001002_bit11 -2560622592*X1001002_bit12 -24420*X1001003_bit_7 -48840*X1001003_bit_6 -97680*X1001003_bit_5 -195360*X1001003_bit_4 -390720*X1001003_bit_3 -781440*X1001003_bit_2 -1562880*X1001003_bit_1 -3125760*X1001003_bit0 -6251520*X1001003_bit1 -12503040*X1001003_bit2 -25006080*X1001003_bit3 -50012160*X1001003_bit4 -100024320*X1001003_bit5 -200048640*X1001003_bit6 -400097280*X1001003_bit7 -800194560*X1001003_bit8 -1600389120*X1001003_bit9 -3200778240*X1001003_bit10 -6401556480*X1001003_bit11 -12803112960*X1001003_bit12 -3256*X1001009_bit_7 -6512*X1001009_bit_6 -13024*X1001009_bit_5 -26048*X1001009_bit_4 -52096*X1001009_bit_3 -104192*X1001009_bit_2 -208384*X1001009_bit_1 -416768*X1001009_bit0 -833536*X1001009_bit1 -1667072*X1001009_bit2 -3334144*X1001009_bit3 -6668288*X1001009_bit4 -13336576*X1001009_bit5 -26673152*X1001009_bit6 -53346304*X1001009_bit7 -106692608*X1001009_bit8 -213385216*X1001009_bit9 -426770432*X1001009_bit10 -853540864*X1001009_bit11 -1707081728*X1001009_bit12 -5814*X1001013_bit_7 -11628*X1001013_bit_6 -23256*X1001013_bit_5 -46512*X1001013_bit_4 -93024*X1001013_bit_3 -186048*X1001013_bit_2 -372096*X1001013_bit_1 -744192*X1001013_bit0 -1488384*X1001013_bit1 -2976768*X1001013_bit2 -5953536*X1001013_bit3 -11907072*X1001013_bit4 -23814144*X1001013_bit5 -47628288*X1001013_bit6 -95256576*X1001013_bit7 -190513152*X1001013_bit8 -381026304*X1001013_bit9 -762052608*X1001013_bit10 -1524105216*X1001013_bit11 -3048210432*X1001013_bit12 -5814*X1001014_bit_7 -11628*X1001014_bit_6 -23256*X1001014_bit_5 -46512*X1001014_bit_4 -93024*X1001014_bit_3 -186048*X1001014_bit_2 -372096*X1001014_bit_1 -744192*X1001014_bit0 -1488384*X1001014_bit1 -2976768*X1001014_bit2 -5953536*X1001014_bit3 -11907072*X1001014_bit4 -23814144*X1001014_bit5 -47628288*X1001014_bit6 -95256576*X1001014_bit7 -190513152*X1001014_bit8 -381026304*X1001014_bit9 -762052608*X1001014_bit10 -1524105216*X1001014_bit11 -3048210432*X1001014_bit12 -3053*X1001015_bit_7 -6106*X1001015_bit_6 -12212*X1001015_bit_5 -24424*X1001015_bit_4 -48848*X1001015_bit_3 -97696*X1001015_bit_2 -195392*X1001015_bit_1 -390784*X1001015_bit0 -781568*X1001015_bit1 -1563136*X1001015_bit2 -3126272*X1001015_bit3 -6252544*X1001015_bit4 -12505088*X1001015_bit5 -25010176*X1001015_bit6 -50020352*X1001015_bit7 -100040704*X1001015_bit8 -200081408*X1001015_bit9 -400162816*X1001015_bit10 -800325632*X1001015_bit11 -1600651264*X1001015_bit12 -3053*X1001018_bit_7 -6106*X1001018_bit_6 -12212*X1001018_bit_5 -24424*X1001018_bit_4 -48848*X1001018_bit_3 -97696*X1001018_bit_2 -195392*X1001018_bit_1 -390784*X1001018_bit0 -781568*X1001018_bit1 -1563136*X1001018_bit2 -3126272*X1001018_bit3 -6252544*X1001018_bit4 -12505088*X1001018_bit5 -25010176*X1001018_bit6 -50020352*X1001018_bit7 -100040704*X1001018_bit8 -200081408*X1001018_bit9 -400162816*X1001018_bit10 -800325632*X1001018_bit11 -1600651264*X1001018_bit12 -4884*X1001021_bit_7 -9768*X1001021_bit_6 -19536*X1001021_bit_5 -39072*X1001021_bit_4 -78144*X1001021_bit_3 -156288*X1001021_bit_2 -312576*X1001021_bit_1 -625152*X1001021_bit0 -1250304*X1001021_bit1 -2500608*X1001021_bit2 -5001216*X1001021_bit3 -10002432*X1001021_bit4 -20004864*X1001021_bit5 -40009728*X1001021_bit6 -80019456*X1001021_bit7 -160038912*X1001021_bit8 -320077824*X1001021_bit9 -640155648*X1001021_bit10 -1280311296*X1001021_bit11 -2560622592*X1001021_bit12 >= -7040000;
c Cannot parse input file name: /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-13-7-bnl2.opb
s UNKNOWN
c Exit Code: 0
c Total time: 227.168 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
Raw data (loadavg): 0.91 0.95 0.93 2/54 27077
Raw data (stat): 27077 (runsolver) R 27076 24172 24171 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 834229635 1052672 99 4294967295 134512640 135381576 3221224480 3221219692 135158418 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+10.0012 s]
Raw data (loadavg): 0.93 0.95 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 1231 0 0 0 994 3 0 0 25 0 1 0 834229635 17473536 1155 4294967295 134512640 134714508 3221224592 3221222820 1077414338 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 4266 1155 1111 63 0 4203 0
vsize: 17064
[startup+20.0021 s]
Raw data (loadavg): 0.94 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 1834 0 0 0 1992 5 0 0 25 0 1 0 834229635 19886080 1758 4294967295 134512640 134714508 3221224592 3221222820 1077414395 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 4855 1758 1111 63 0 4792 0
vsize: 19420
[startup+30.0344 s]
Raw data (loadavg): 0.95 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 2459 0 0 0 2994 7 0 0 25 0 1 0 834229635 22560768 2383 4294967295 134512640 134714508 3221224592 3221222820 1077414426 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 5508 2383 1111 63 0 5445 0
vsize: 22032
[startup+40.0433 s]
Raw data (loadavg): 0.95 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 3121 0 0 0 3992 9 0 0 25 0 1 0 834229635 25243648 3045 4294967295 134512640 134714508 3221224592 3221222820 1077414338 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 6163 3045 1111 63 0 6100 0
vsize: 24652
[startup+50.0646 s]
Raw data (loadavg): 0.96 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 3825 0 0 0 4992 12 0 0 25 0 1 0 834229635 28086272 3749 4294967295 134512640 134714508 3221224592 3221222820 1077414351 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 6857 3749 1111 63 0 6794 0
vsize: 27428
[startup+60.0723 s]
Raw data (loadavg): 0.97 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 4572 0 0 0 5991 13 0 0 25 0 1 0 834229635 31195136 4496 4294967295 134512640 134714508 3221224592 3221222820 1077414413 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 7616 4496 1111 63 0 7553 0
vsize: 30464
[startup+70.0747 s]
Raw data (loadavg): 0.97 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 5333 0 0 0 6990 14 0 0 25 0 1 0 834229635 34304000 5257 4294967295 134512640 134714508 3221224592 3221222820 1077414388 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 8375 5257 1111 63 0 8312 0
vsize: 33500
[startup+80.0756 s]
Raw data (loadavg): 0.98 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 6105 0 0 0 7988 16 0 0 25 0 1 0 834229635 37408768 6029 4294967295 134512640 134714508 3221224592 3221222820 1077414413 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 9133 6029 1111 63 0 9070 0
vsize: 36532
[startup+90.0851 s]
Raw data (loadavg): 0.98 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 6907 0 0 0 8988 18 0 0 25 0 1 0 834229635 40808448 6831 4294967295 134512640 134714508 3221224592 3221222944 134567410 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 9963 6831 1111 63 0 9900 0
vsize: 39852
[startup+100.094 s]
Raw data (loadavg): 0.98 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 7720 0 0 0 9987 19 0 0 25 0 1 0 834229635 44056576 7644 4294967295 134512640 134714508 3221224592 3221222820 1077414413 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 10756 7644 1111 63 0 10693 0
vsize: 43024
[startup+110.11 s]
Raw data (loadavg): 0.98 0.96 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 8549 0 0 0 10988 20 0 0 25 0 1 0 834229635 47439872 8473 4294967295 134512640 134714508 3221224592 3221223248 134527946 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 11582 8473 1111 63 0 11519 0
vsize: 46328
[startup+120.115 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 9400 0 0 0 11986 23 0 0 25 0 1 0 834229635 50970624 9324 4294967295 134512640 134714508 3221224592 3221222820 1077414413 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 12444 9324 1111 63 0 12381 0
vsize: 49776
[startup+130.116 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 10249 0 0 0 12983 25 0 0 25 0 1 0 834229635 54362112 10173 4294967295 134512640 134714508 3221224592 3221222820 1077414338 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 13272 10173 1111 63 0 13209 0
vsize: 53088
[startup+140.117 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 11147 0 0 0 13982 27 0 0 25 0 1 0 834229635 58032128 11071 4294967295 134512640 134714508 3221224592 3221222820 1077414388 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 14168 11071 1111 63 0 14105 0
vsize: 56672
[startup+150.118 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 12104 0 0 0 14980 28 0 0 25 0 1 0 834229635 62062592 12028 4294967295 134512640 134714508 3221224592 3221221420 1077253384 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 15152 12028 1111 63 0 15089 0
vsize: 60608
[startup+160.128 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 13155 0 0 0 15979 31 0 0 25 0 1 0 834229635 66445312 13079 4294967295 134512640 134714508 3221224592 3221223248 134527932 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 16222 13079 1111 63 0 16159 0
vsize: 64888
[startup+170.128 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 14330 0 0 0 16977 33 0 0 25 0 1 0 834229635 71245824 14254 4294967295 134512640 134714508 3221224592 3221222820 1077414363 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 17394 14254 1111 63 0 17331 0
vsize: 69576
[startup+180.136 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 15588 0 0 0 17975 35 0 0 25 0 1 0 834229635 76328960 15512 4294967295 134512640 134714508 3221224592 3221222820 1077414297 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 18635 15512 1111 63 0 18572 0
vsize: 74540
[startup+190.155 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 16959 0 0 0 18974 38 0 0 25 0 1 0 834229635 81977344 16883 4294967295 134512640 134714508 3221224592 3221223248 134527932 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 20014 16883 1111 63 0 19951 0
vsize: 80056
[startup+200.156 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 18568 0 0 0 19970 42 0 0 25 0 1 0 834229635 88469504 18492 4294967295 134512640 134714508 3221224592 3221222820 1077414363 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 21599 18492 1111 63 0 21536 0
vsize: 86396
[startup+210.156 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 20430 0 0 0 20966 46 0 0 25 0 1 0 834229635 96100352 20354 4294967295 134512640 134714508 3221224592 3221223248 134527932 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 23462 20354 1111 63 0 23399 0
vsize: 93848
[startup+220.157 s]
Raw data (loadavg): 0.99 0.97 0.93 2/54 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 22488 0 0 0 21962 51 0 0 25 0 1 0 834229635 104570880 22412 4294967295 134512640 134714508 3221224592 3221222820 1077414410 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 25530 22412 1111 63 0 25467 0
vsize: 102120
[startup+227.248 s]
Raw data (loadavg): 0.99 0.97 0.93 1/53 27077
Raw data (stat): 27077 (bsolo_lpr_cuts) R 27076 24172 24171 0 -1 0 22488 0 0 0 21962 51 0 0 25 0 1 0 834229635 104570880 22412 4294967295 134512640 134714508 3221224592 3221222820 1077414410 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 25530 22412 1111 63 0 25467 0
vsize: 0

Child status: 0
Real time (s): 227.248
CPU time (s): 227.224
CPU user time (s): 226.592
CPU system time (s): 0.632903
CPU usage (%): 99.9898
Max. virtual memory (Kb): 102120
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####