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/plato.asu.edu/pub/unibo/normalized-mps-v2-20-10-rail507.opb
MD5SUM3525728b1c2480586834886de2d50400
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2147483647
Optimality of the best value was proved NO
Number of terms in the objective function 63309
Biggest coefficient in the objective function 53687091200000000000
Number of bits for the biggest coefficient in the objective function 66
Sum of the numbers in the objective function 215947469635884908544
Number of bits of the sum of numbers in the objective function 68
Biggest number in a constraint 53687091200000000000
Number of bits of the biggest number in a constraint 66
Biggest sum of numbers in a constraint 215947469635884908544
Number of bits of the biggest sum of numbers68
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark290.253
Number of variables63009
Total number of constraints63518
Number of constraints which are clauses507
Number of constraints which are cardinality constraints (but not clauses)63011
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint59416

Trace number 30921 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc15 THE 2005-05-25 21:10:37 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=22352 boxname=wulflinc15 idbench=1168 idsolver=15 numberseed=0
MD5SUM SOLVER: 34d34154b8ad81f02ee98439942e0814  /oldhome/oroussel/solvers/minisat+_script
MD5SUM BENCH:  3525728b1c2480586834886de2d50400  /oldhome/oroussel/tmp/wulflinc15/normalized-mps-v2-20-10-rail507.opb
REAL COMMAND:  minisat+_script /oldhome/oroussel/tmp/wulflinc15/normalized-mps-v2-20-10-rail507.opb
IDLAUNCH: 22352
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 450.999
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		: 450.999
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:        901132 kB
Buffers:         30556 kB
Cached:          80696 kB
SwapCached:        608 kB
Active:          28352 kB
Inactive:        84976 kB
HighTotal:      131008 kB
HighFree:        65016 kB
LowTotal:       903652 kB
LowFree:        836116 kB
SwapTotal:     2097136 kB
SwapFree:      2095624 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5084 kB
Slab:            14476 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-25 21:11:15 (client local time) WITH STATUS 139 IN 38.1662 SECONDS
stats: 22352 7 38.1662 139
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Parsing PB file...
c PARSE ERROR! [line 63023] Integer overflow. Use BigNum-version.
c OK -- Running BigNum-version instead...
/oldhome/oroussel/solvers/minisat+_script: line 16: 12426 Segmentation fault      $XDIR/minisat+_bignum_static* "$@"
#### 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): 0.85 0.95 0.90 2/54 12421
Raw data (stat): 12421 (runsolver) R 12420 23514 23513 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 783786466 1052672 99 4294967295 134512640 135381576 3221224480 3221219688 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+10.0007 s]
Raw data (loadavg): 0.88 0.95 0.91 2/55 12426
Raw data (stat): 12421 (minisat+_script) S 12420 23514 23513 0 -1 0 300 2346 0 0 0 0 45 10 18 0 1 0 783786466 2179072 234 4294967295 134512640 135087896 3221224544 3221223432 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (statm): 532 234 485 147 0 385 0
vsize: 2128
[startup+20.0014 s]
Raw data (loadavg): 0.89 0.95 0.91 2/55 12426
Raw data (stat): 12421 (minisat+_script) S 12420 23514 23513 0 -1 0 300 2346 0 0 0 0 45 10 18 0 1 0 783786466 2179072 234 4294967295 134512640 135087896 3221224544 3221223432 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (statm): 532 234 485 147 0 385 0
vsize: 2128
[startup+30.0027 s]
Raw data (loadavg): 0.91 0.95 0.91 2/55 12426
Raw data (stat): 12421 (minisat+_script) S 12420 23514 23513 0 -1 0 300 2346 0 0 0 0 45 10 18 0 1 0 783786466 2179072 234 4294967295 134512640 135087896 3221224544 3221223432 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (statm): 532 234 485 147 0 385 0
vsize: 2128
[startup+38.1907 s]
Raw data (loadavg): 0.92 0.95 0.91 1/53 12426
Raw data (stat): 12421 (minisat+_script) S 12420 23514 23513 0 -1 0 300 2346 0 0 0 0 45 10 18 0 1 0 783786466 2179072 234 4294967295 134512640 135087896 3221224544 3221223432 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (statm): 532 234 485 147 0 385 0
vsize: 0

Child status: 139
Real time (s): 38.1904
CPU time (s): 38.1662
CPU user time (s): 37.4353
CPU system time (s): 0.730888
CPU usage (%): 99.9367
Max. virtual memory (Kb): 2128
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####