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-v2-13-7/MIPLIB/miplib3/normalized-mps-v2-13-7-gesa3.opb
MD5SUM2066c600bb1ef997326ad814b69b94ca
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 7992
Biggest coefficient in the objective function 409031671808
Number of bits for the biggest coefficient in the objective function 39
Sum of the numbers in the objective function 143986524985584
Number of bits of the sum of numbers in the objective function 48
Biggest number in a constraint 524288000000
Number of bits of the biggest number in a constraint 39
Biggest sum of numbers in a constraint 143986524985584
Number of bits of the biggest sum of numbers48
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1246.41
Number of variables12720
Total number of constraints1824
Number of constraints which are clauses48
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1776
Minimum length of a constraint2
Maximum length of a constraint211

Trace number 27065

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc8 THE 2005-05-24 19:18:49 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=18415 boxname=wulflinc8 idbench=1417 idsolver=7 numberseed=0
MD5SUM SOLVER: d9a5994a76be78982e492b397ce73911  /oldhome/oroussel/solvers/Pueblo
MD5SUM BENCH:  2066c600bb1ef997326ad814b69b94ca  /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb
REAL COMMAND:  Pueblo /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb
IDLAUNCH: 18415
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.007
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	: 2
cpu MHz		: 451.007
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:        488224 kB
Buffers:         34876 kB
Cached:         489880 kB
SwapCached:          0 kB
Active:          67508 kB
Inactive:       460244 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        487972 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           7060 kB
Slab:            12916 kB
Committed_AS:    63696 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-24 19:18:49 (client local time) WITH STATUS 0 IN 0.172972 SECONDS
stats: 18415 7 0.172972 0
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Pueblo version 1.2 (Sept 2004)
c Developed @ University of Michigan, Ann Arbor, MI
c  by Hossein Sheini
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
/oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: warning: name `x_0x2e__0x2e__0x...' too long; truncated to 16 characters
c /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-gesa3.opb:1156: numeric constant `3163607040' out of range (2147483647)
s UNKNOWN
#### 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): 0.77 0.94 0.92 2/54 6670
Raw data (stat): 6670 (runsolver) R 6669 3132 3131 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 760914713 1052672 99 4294967295 134512640 135381576 3221224496 3221219716 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+0.17859 s]
Raw data (loadavg): 0.77 0.94 0.92 1/53 6670
Raw data (stat): 6670 (runsolver) R 6669 3132 3131 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 760914713 1052672 99 4294967295 134512640 135381576 3221224496 3221219716 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: 0
Real time (s): 0.178321
CPU time (s): 0.172972
CPU user time (s): 0.164974
CPU system time (s): 0.007998
CPU usage (%): 97.0004
Max. virtual memory (Kb): 1028
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####