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/MIPLIB/miplib3/normalized-mps-v2-20-10-gen.opb
MD5SUM44022c506f5e075b1877fcb50aa96dbc
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 13134
Biggest coefficient in the objective function 3456331981783040
Number of bits for the biggest coefficient in the objective function 52
Sum of the numbers in the objective function 2106245048465744992
Number of bits of the sum of numbers in the objective function 61
Biggest number in a constraint 3456331981783040
Number of bits of the biggest number in a constraint 52
Biggest sum of numbers in a constraint 2106245048465744992
Number of bits of the biggest sum of numbers61
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.169973
Number of variables19038
Total number of constraints1074
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)144
Number of constraints which are nor clauses,nor cardinality constraints930
Minimum length of a constraint1
Maximum length of a constraint264

Trace number 28276

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc24 THE 2005-05-25 01:40:31 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=13379 boxname=wulflinc24 idbench=1030 idsolver=2 numberseed=0
MD5SUM SOLVER: 754786be69defe53c030aa54f111e0a7  /oldhome/oroussel/solvers/bsolo_lpr_cuts
MD5SUM BENCH:  44022c506f5e075b1877fcb50aa96dbc  /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-gen.opb
REAL COMMAND:  bsolo_lpr_cuts /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-gen.opb
IDLAUNCH: 13379
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.080
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	: 3
cpu MHz		: 451.080
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:        745864 kB
Buffers:         10708 kB
Cached:         255096 kB
SwapCached:        620 kB
Active:          36528 kB
Inactive:       231704 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        745612 kB
SwapTotal:     2097892 kB
SwapFree:      2096776 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5656 kB
Slab:            14908 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-25 01:41:30 (client local time) WITH STATUS 0 IN 59.182 SECONDS
stats: 13379 7 59.182 0
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c ERROR Parsing file!!!
c ERROR parsing line: +341333248*XON_0x2e_3_0x2e_01_bit0 -15625*ZS_0x2e_3_0x2e_011_bit_10 -31250*ZS_0x2e_3_0x2e_011_bit_9 -62500*ZS_0x2e_3_0x2e_011_bit_8 -125000*ZS_0x2e_3_0x2e_011_bit_7 -250000*ZS_0x2e_3_0x2e_011_bit_6 -500000*ZS_0x2e_3_0x2e_011_bit_5 -1000000*ZS_0x2e_3_0x2e_011_bit_4 -2000000*ZS_0x2e_3_0x2e_011_bit_3 -4000000*ZS_0x2e_3_0x2e_011_bit_2 -8000000*ZS_0x2e_3_0x2e_011_bit_1 -16000000*ZS_0x2e_3_0x2e_011_bit0 -32000000*ZS_0x2e_3_0x2e_011_bit1 -64000000*ZS_0x2e_3_0x2e_011_bit2 -128000000*ZS_0x2e_3_0x2e_011_bit3 -256000000*ZS_0x2e_3_0x2e_011_bit4 -512000000*ZS_0x2e_3_0x2e_011_bit5 -1024000000*ZS_0x2e_3_0x2e_011_bit6 -2048000000*ZS_0x2e_3_0x2e_011_bit7 -4096000000*ZS_0x2e_3_0x2e_011_bit8 -8192000000*ZS_0x2e_3_0x2e_011_bit9 -16384000000*ZS_0x2e_3_0x2e_011_bit10 -32768000000*ZS_0x2e_3_0x2e_011_bit11 -65536000000*ZS_0x2e_3_0x2e_011_bit12 -131072000000*ZS_0x2e_3_0x2e_011_bit13 -262144000000*ZS_0x2e_3_0x2e_011_bit14 -524288000000*ZS_0x2e_3_0x2e_011_bit15 -1048576000000*ZS_0x2e_3_0x2e_011_bit16 -2097152000000*ZS_0x2e_3_0x2e_011_bit17 -4194304000000*ZS_0x2e_3_0x2e_011_bit18 -8388608000000*ZS_0x2e_3_0x2e_011_bit19 >= +0;
c Cannot parse input file name: /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-gen.opb
s UNKNOWN
c Exit Code: 0
c Total time: 59.149 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): 0.69 0.89 0.90 2/54 12054
Raw data (stat): 12054 (runsolver) R 12053 4613 4612 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 834990148 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+9.99992 s]
Raw data (loadavg): 0.74 0.90 0.90 2/54 12054
Raw data (stat): 12054 (bsolo_lpr_cuts) R 12053 4613 4612 0 -1 0 2078 0 0 0 993 5 0 0 25 0 1 0 834990148 21200896 2002 4294967295 134512640 134714508 3221224592 3221222820 1077414408 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 5176 2002 1111 63 0 5113 0
vsize: 20704
[startup+20 s]
Raw data (loadavg): 0.78 0.90 0.90 2/54 12054
Raw data (stat): 12054 (bsolo_lpr_cuts) R 12053 4613 4612 0 -1 0 2829 0 0 0 1992 6 0 0 25 0 1 0 834990148 24322048 2753 4294967295 134512640 134714508 3221224592 3221222820 1077414338 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 5938 2753 1111 63 0 5875 0
vsize: 23752
[startup+30.0006 s]
Raw data (loadavg): 0.81 0.90 0.90 2/54 12054
Raw data (stat): 12054 (bsolo_lpr_cuts) R 12053 4613 4612 0 -1 0 3684 0 0 0 2990 8 0 0 25 0 1 0 834990148 27742208 3608 4294967295 134512640 134714508 3221224592 3221222820 1077414413 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 6773 3608 1111 63 0 6710 0
vsize: 27092
[startup+39.9999 s]
Raw data (loadavg): 0.84 0.91 0.90 2/54 12054
Raw data (stat): 12054 (bsolo_lpr_cuts) R 12053 4613 4612 0 -1 0 4787 0 0 0 3988 10 0 0 25 0 1 0 834990148 32276480 4711 4294967295 134512640 134714508 3221224592 3221222820 1077414351 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 7880 4711 1111 63 0 7817 0
vsize: 31520
[startup+50.0015 s]
Raw data (loadavg): 0.86 0.91 0.90 2/54 12054
Raw data (stat): 12054 (bsolo_lpr_cuts) R 12053 4613 4612 0 -1 0 6321 0 0 0 4985 13 0 0 25 0 1 0 834990148 38629376 6245 4294967295 134512640 134714508 3221224592 3221223248 134527930 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 9431 6245 1111 63 0 9368 0
vsize: 37724
[startup+59.1948 s]
Raw data (loadavg): 0.89 0.91 0.91 1/53 12054
Raw data (stat): 12054 (bsolo_lpr_cuts) R 12053 4613 4612 0 -1 0 6321 0 0 0 4985 13 0 0 25 0 1 0 834990148 38629376 6245 4294967295 134512640 134714508 3221224592 3221223248 134527930 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 9431 6245 1111 63 0 9368 0
vsize: 0

Child status: 0
Real time (s): 59.1942
CPU time (s): 59.182
CPU user time (s): 58.8591
CPU system time (s): 0.32295
CPU usage (%): 99.9794
Max. virtual memory (Kb): 37724
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####