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/submitted/manquinho/primes-dimacs-cnf/normalized-ssa0432-003.opb
MD5SUM049aa05bd0cb38bc58f95c2236cf9448
Bench Categoryoptimization, small integers (OPTSMALLINT)
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 870
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 870
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 870
Number of bits of the biggest sum of numbers10
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.049991
Number of variables870
Total number of constraints1462
Number of constraints which are clauses1462
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint5

Trace number 39594 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc4 THE 2005-06-07 14:44:04 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=27665 boxname=wulflinc4 idbench=223 idsolver=20 numberseed=0
MD5SUM SOLVER: f6aa7fb267fa9710116626be7e6d3048  /oldhome/oroussel/solvers/bsolo_lpr-v2
MD5SUM BENCH:  049aa05bd0cb38bc58f95c2236cf9448  /oldhome/oroussel/tmp/wulflinc4/normalized-ssa0432-003.opb
REAL COMMAND:  bsolo_lpr-v2 /oldhome/oroussel/tmp/wulflinc4/normalized-ssa0432-003.opb
IDLAUNCH: 27665
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.169
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		: 451.169
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:        396040 kB
Buffers:         34872 kB
Cached:         580164 kB
SwapCached:        568 kB
Active:          57384 kB
Inactive:       559792 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        395788 kB
SwapTotal:     2097136 kB
SwapFree:      2095660 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5328 kB
Slab:            15624 kB
Committed_AS:    71796 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-07 14:45:06 (client local time) WITH STATUS 20 IN 62.4875 SECONDS
stats: 27665 7 62.4875 20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c Initial problem consists of 870 variables and 1462 constraints.
c After prepocess the problem consists of 132 variables and 282 constraints.
c preprocess terminated 60.496 s
c Initial Lower Bound: 423
c Lower Bound Elapsed time: 0.02825
c Use computed LB before first solution.
s UNSATISFIABLE
c Exit Code: 20
c Total time: 62.472 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): 0.74 0.84 0.87 1/54 15503
Raw data (stat): 15503 (runsolver) R 15502 21152 21151 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 893798670 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.001 s]
Raw data (loadavg): 0.78 0.85 0.87 2/54 15503
Raw data (stat): 15503 (bsolo_lpr-v2) R 15502 21152 21151 0 -1 0 7287 0 0 0 979 18 0 0 25 0 1 0 893798670 12144640 2131 4294967295 134512640 134716908 3221224576 3221222940 134539235 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 2965 2131 1111 63 0 2902 0
vsize: 11860
[startup+20.0027 s]
Raw data (loadavg): 0.81 0.85 0.87 2/54 15503
Raw data (stat): 15503 (bsolo_lpr-v2) R 15502 21152 21151 0 -1 0 7655 0 0 0 1978 19 0 0 25 0 1 0 893798670 12279808 2143 4294967295 134512640 134716908 3221224576 3221223228 134558608 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 2998 2143 1111 63 0 2935 0
vsize: 11992
[startup+30.0031 s]
Raw data (loadavg): 0.84 0.86 0.87 2/54 15503
Raw data (stat): 15503 (bsolo_lpr-v2) R 15502 21152 21151 0 -1 0 7756 0 0 0 2978 20 0 0 25 0 1 0 893798670 12685312 2244 4294967295 134512640 134716908 3221224576 3221223236 134627213 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 3097 2244 1111 63 0 3034 0
vsize: 12388
[startup+40.0034 s]
Raw data (loadavg): 0.87 0.86 0.87 2/54 15503
Raw data (stat): 15503 (bsolo_lpr-v2) R 15502 21152 21151 0 -1 0 7868 0 0 0 3978 20 0 0 25 0 1 0 893798670 13090816 2356 4294967295 134512640 134716908 3221224576 3221223248 134627203 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 3196 2356 1111 63 0 3133 0
vsize: 12784
[startup+50.0043 s]
Raw data (loadavg): 0.89 0.87 0.87 2/54 15503
Raw data (stat): 15503 (bsolo_lpr-v2) R 15502 21152 21151 0 -1 0 7984 0 0 0 4977 21 0 0 25 0 1 0 893798670 13631488 2472 4294967295 134512640 134716908 3221224576 3221223248 134627203 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 3328 2472 1111 63 0 3265 0
vsize: 13312
[startup+60.0038 s]
Raw data (loadavg): 0.90 0.87 0.87 2/54 15503
Raw data (stat): 15503 (bsolo_lpr-v2) R 15502 21152 21151 0 -1 0 8225 0 0 0 5976 22 0 0 25 0 1 0 893798670 14532608 2713 4294967295 134512640 134716908 3221224576 3221222664 1077378037 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 3548 2713 1111 63 0 3485 0
vsize: 14192
[startup+62.5035 s]
Raw data (loadavg): 0.90 0.87 0.87 1/53 15503
Raw data (stat): 15503 (bsolo_lpr-v2) R 15502 21152 21151 0 -1 0 8225 0 0 0 5976 22 0 0 25 0 1 0 893798670 14532608 2713 4294967295 134512640 134716908 3221224576 3221222664 1077378037 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 3548 2713 1111 63 0 3485 0
vsize: 0

Child status: 20
Real time (s): 62.5032
CPU time (s): 62.4875
CPU user time (s): 62.1616
CPU system time (s): 0.32595
CPU usage (%): 99.9749
Max. virtual memory (Kb): 14192
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####