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-v2-20-10-25fv47.opb
MD5SUM5984c30bfc33b34af2fab73888f86cf2
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 19170
Biggest coefficient in the objective function 536870912000000
Number of bits for the biggest coefficient in the objective function 49
Sum of the numbers in the objective function 10623608039212938
Number of bits of the sum of numbers in the objective function 54
Biggest number in a constraint 128285302811787264
Number of bits of the biggest number in a constraint 57
Biggest sum of numbers in a constraint 812950436219668362
Number of bits of the biggest sum of numbers60
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.405937
Number of variables47130
Total number of constraints820
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 constraints820
Minimum length of a constraint30
Maximum length of a constraint10200

Trace number 26822

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc3 THE 2005-05-24 17:15:18 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=10416 boxname=wulflinc3 idbench=802 idsolver=3 numberseed=0
MD5SUM SOLVER: 03a6a792daea978e4202f78851741568  /oldhome/oroussel/solvers/bsolo_mis
MD5SUM BENCH:  5984c30bfc33b34af2fab73888f86cf2  /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-20-10-25fv47.opb
REAL COMMAND:  bsolo_mis /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-20-10-25fv47.opb
IDLAUNCH: 10416
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.190
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		: 451.190
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:        835292 kB
Buffers:         34608 kB
Cached:         141676 kB
SwapCached:        108 kB
Active:          60412 kB
Inactive:       118876 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        835040 kB
SwapTotal:     2097136 kB
SwapFree:      2096992 kB
Dirty:              48 kB
Writeback:           0 kB
Mapped:           6904 kB
Slab:            14312 kB
Committed_AS:    71792 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-24 17:16:30 (client local time) WITH STATUS 0 IN 70.9772 SECONDS
stats: 10416 7 70.9772 0
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c ERROR Parsing file!!!
c ERROR parsing line: -500*V1MN1G_bit_10 -1000*V1MN1G_bit_9 -2000*V1MN1G_bit_8 -4000*V1MN1G_bit_7 -8000*V1MN1G_bit_6 -16000*V1MN1G_bit_5 -32000*V1MN1G_bit_4 -64000*V1MN1G_bit_3 -128000*V1MN1G_bit_2 -256000*V1MN1G_bit_1 -512000*V1MN1G_bit0 -1024000*V1MN1G_bit1 -2048000*V1MN1G_bit2 -4096000*V1MN1G_bit3 -8192000*V1MN1G_bit4 -16384000*V1MN1G_bit5 -32768000*V1MN1G_bit6 -65536000*V1MN1G_bit7 -131072000*V1MN1G_bit8 -262144000*V1MN1G_bit9 -524288000*V1MN1G_bit10 -1048576000*V1MN1G_bit11 -2097152000*V1MN1G_bit12 -4194304000*V1MN1G_bit13 -8388608000*V1MN1G_bit14 -16777216000*V1MN1G_bit15 -33554432000*V1MN1G_bit16 -67108864000*V1MN1G_bit17 -134217728000*V1MN1G_bit18 -268435456000*V1MN1G_bit19 +505*C1008_bit_10 +1010*C1008_bit_9 +2020*C1008_bit_8 +4040*C1008_bit_7 +8080*C1008_bit_6 +16160*C1008_bit_5 +32320*C1008_bit_4 +64640*C1008_bit_3 +129280*C1008_bit_2 +258560*C1008_bit_1 +517120*C1008_bit0 +1034240*C1008_bit1 +2068480*C1008_bit2 +4136960*C1008_bit3 +8273920*C1008_bit4 +16547840*C1008_bit5 +33095680*C1008_bit6 +66191360*C1008_bit7 +132382720*C1008_bit8 +264765440*C1008_bit9 +529530880*C1008_bit10 +1059061760*C1008_bit11 +2118123520*C1008_bit12 +4236247040*C1008_bit13 +8472494080*C1008_bit14 +16944988160*C1008_bit15 +33889976320*C1008_bit16 +67779952640*C1008_bit17 +135559905280*C1008_bit18 +271119810560*C1008_bit19 +404*V1C1008_bit_10 +808*V1C1008_bit_9 +1616*V1C1008_bit_8 +3232*V1C1008_bit_7 +6464*V1C1008_bit_6 +12928*V1C1008_bit_5 +25856*V1C1008_bit_4 +51712*V1C1008_bit_3 +103424*V1C1008_bit_2 +206848*V1C1008_bit_1 +413696*V1C1008_bit0 +827392*V1C1008_bit1 +1654784*V1C1008_bit2 +3309568*V1C1008_bit3 +6619136*V1C1008_bit4 +13238272*V1C1008_bit5 +26476544*V1C1008_bit6 +52953088*V1C1008_bit7 +105906176*V1C1008_bit8 +211812352*V1C1008_bit9 +423624704*V1C1008_bit10 +847249408*V1C1008_bit11 +1694498816*V1C1008_bit12 +3388997632*V1C1008_bit13 +6777995264*V1C1008_bit14 +13555990528*V1C1008_bit15 +27111981056*V1C1008_bit16 +54223962112*V1C1008_bit17 +108447924224*V1C1008_bit18 +216895848448*V1C1008_bit19 = +0;
c Cannot parse input file name: /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-20-10-25fv47.opb
s UNKNOWN
c Exit Code: 0
c Total time: 70.951 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): 0.53 0.82 0.90 2/54 23318
Raw data (stat): 23318 (runsolver) R 23317 20224 20223 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 773732094 1052672 99 4294967295 134512640 135381576 3221224496 3221219712 135158418 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+10.0003 s]
Raw data (loadavg): 0.60 0.82 0.90 2/54 23318
Raw data (stat): 23318 (bsolo_mis) R 23317 20224 20223 0 -1 0 1254 0 0 0 996 3 0 0 25 0 1 0 773732094 18485248 1232 4294967295 134512640 134714540 3221224592 3221222944 134567424 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 4513 1232 1111 63 0 4450 0
vsize: 18052
[startup+20.0005 s]
Raw data (loadavg): 0.66 0.83 0.90 2/54 23318
Raw data (stat): 23318 (bsolo_mis) R 23317 20224 20223 0 -1 0 2245 0 0 0 1993 5 0 0 25 0 1 0 773732094 22474752 2223 4294967295 134512640 134714540 3221224592 3221222820 1077414338 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 5487 2223 1111 63 0 5424 0
vsize: 21948
[startup+30.0078 s]
Raw data (loadavg): 0.71 0.83 0.90 2/54 23318
Raw data (stat): 23318 (bsolo_mis) R 23317 20224 20223 0 -1 0 3339 0 0 0 2992 7 0 0 25 0 1 0 773732094 26939392 3317 4294967295 134512640 134714540 3221224592 3221222820 1077414338 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 6577 3317 1111 63 0 6514 0
vsize: 26308
[startup+40.0148 s]
Raw data (loadavg): 0.76 0.84 0.90 2/54 23318
Raw data (stat): 23318 (bsolo_mis) R 23317 20224 20223 0 -1 0 4560 0 0 0 3990 10 0 0 25 0 1 0 773732094 32038912 4538 4294967295 134512640 134714540 3221224592 3221223248 134527932 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 7822 4538 1111 63 0 7759 0
vsize: 31288
[startup+50.0243 s]
Raw data (loadavg): 0.79 0.84 0.90 2/54 23318
Raw data (stat): 23318 (bsolo_mis) R 23317 20224 20223 0 -1 0 5913 0 0 0 4987 14 0 0 25 0 1 0 773732094 37593088 5891 4294967295 134512640 134714540 3221224592 3221222820 1077414433 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 9178 5891 1111 63 0 9115 0
vsize: 36712
[startup+60.0248 s]
Raw data (loadavg): 0.83 0.85 0.91 2/54 23318
Raw data (stat): 23318 (bsolo_mis) R 23317 20224 20223 0 -1 0 7518 0 0 0 5983 18 0 0 25 0 1 0 773732094 44044288 7496 4294967295 134512640 134714540 3221224592 3221222820 1077414420 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 10753 7496 1111 63 0 10690 0
vsize: 43012
[startup+70.0242 s]
Raw data (loadavg): 0.85 0.85 0.91 2/54 23318
Raw data (stat): 23318 (bsolo_mis) R 23317 20224 20223 0 -1 0 9607 0 0 0 6978 22 0 0 25 0 1 0 773732094 52793344 9585 4294967295 134512640 134714540 3221224592 3221223248 134527932 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 12889 9585 1111 63 0 12826 0
vsize: 51556
[startup+70.9874 s]
Raw data (loadavg): 0.85 0.85 0.91 1/53 23318
Raw data (stat): 23318 (bsolo_mis) R 23317 20224 20223 0 -1 0 9607 0 0 0 6978 22 0 0 25 0 1 0 773732094 52793344 9585 4294967295 134512640 134714540 3221224592 3221223248 134527932 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 12889 9585 1111 63 0 12826 0
vsize: 0

Child status: 0
Real time (s): 70.9871
CPU time (s): 70.9772
CPU user time (s): 70.7283
CPU system time (s): 0.248962
CPU usage (%): 99.9861
Max. virtual memory (Kb): 51556
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####