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-capri.opb
MD5SUMcd389a9fe420e9544fdbe1f8512fb9e7
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 580
Biggest coefficient in the objective function 107374182400000
Number of bits for the biggest coefficient in the objective function 47
Sum of the numbers in the objective function 1708358674549057
Number of bits of the sum of numbers in the objective function 51
Biggest number in a constraint 11690085472796672
Number of bits of the biggest number in a constraint 54
Biggest sum of numbers in a constraint 80356363520648894
Number of bits of the biggest sum of numbers57
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.346947
Number of variables7817
Total number of constraints402
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 constraints402
Minimum length of a constraint11
Maximum length of a constraint647

Trace number 22959

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc30 THE 2005-04-22 04:22:51 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=10634 boxname=wulflinc30 idbench=818 idsolver=13 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  cd389a9fe420e9544fdbe1f8512fb9e7  /oldhome/oroussel/tmp/wulflinc30/normalized-mps-v2-20-10-capri.opb
REAL COMMAND:  minisat+ -w /oldhome/oroussel/tmp/wulflinc30/normalized-mps-v2-20-10-capri.opb /oldhome/oroussel/tmp/wulflinc30/normalized-mps-v2-20-10-capri.opb
IDLAUNCH: 10634
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.072
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		: 451.072
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	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        642660 kB
Buffers:         23072 kB
Cached:         343164 kB
SwapCached:        352 kB
Active:          80196 kB
Inactive:       288736 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        642408 kB
SwapTotal:     2097892 kB
SwapFree:      2097328 kB
Dirty:               4 kB
Writeback:           0 kB
Mapped:           5980 kB
Slab:            17260 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-04-22 04:22:51 (client local time) WITH STATUS 1 IN 0.013997 SECONDS
stats: 10634 7 0.013997 1
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Parsing PB file...
PARSE ERROR! [line 357] Integer overflow. Big numbers not supported yet.
#### 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): 0.92 0.96 0.95 2/54 5083
Raw data (stat): 5083 (runsolver) R 5082 11931 11930 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 550805321 1052672 99 4294967295 134512640 135381576 3221224448 3221219692 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+0.020827 s]
Raw data (loadavg): 0.92 0.96 0.95 1/53 5083
Raw data (stat): 5083 (runsolver) R 5082 11931 11930 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 550805321 1052672 99 4294967295 134512640 135381576 3221224448 3221219692 135158418 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 0

Child status: 1
Real time (s): 0.020591
CPU time (s): 0.013997
CPU user time (s): 0.005999
CPU system time (s): 0.007998
CPU usage (%): 67.9763
Max. virtual memory (Kb): 1028
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####