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).
    Note that some very long lines in this section may be truncated by your web browser !
  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

Namemps-v2-13-7/plato.asu.edu/pub/unibo/normalized-mps-v2-13-7-core4284-1064.opb
MD5SUMa818b9a925b31116d60be3312981b83f
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 178432000000000
Optimality of the best value was proved NO
Number of terms in the objective function 21885
Biggest coefficient in the objective function 52428800000000000
Number of bits for the biggest coefficient in the objective function 56
Sum of the numbers in the objective function 215454237511534325
Number of bits of the sum of numbers in the objective function 58
Biggest number in a constraint 1280000000000000000000
Number of bits of the biggest number in a constraint 71
Biggest sum of numbers in a constraint 1280215454237511647232
Number of bits of the biggest sum of numbers71
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1202.77
Number of variables21885
Total number of constraints25992
Number of constraints which are clauses4284
Number of constraints which are cardinality constraints (but not clauses)21707
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint1
Maximum length of a constraint21885

Trace number 5348

Launcher Data

LAUNCH ON wulflinc28 THE 2005-09-20 00:59:52 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=1142 boxname=wulflinc28 idbench=1142 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  a818b9a925b31116d60be3312981b83f  /oldhome/oroussel/tmp/wulflinc28/normalized-mps-v2-13-7-core4284-1064.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc28/normalized-mps-v2-13-7-core4284-1064.opb
IDLAUNCH: 1142
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.077
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		: 451.077
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:        904368 kB
Buffers:         16840 kB
Cached:          84500 kB
SwapCached:        660 kB
Active:          26864 kB
Inactive:        77036 kB
HighTotal:      131008 kB
HighFree:        42868 kB
LowTotal:       903652 kB
LowFree:        861500 kB
SwapTotal:     2097640 kB
SwapFree:      2096408 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5816 kB
Slab:            20584 kB
Committed_AS:    64164 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-20 01:00:45 (client local time) WITH STATUS 0 IN 52.322 SECONDS
stats: 1142 7 52.322 0

Solver Data

c INFO: OSL Context initialized.
c Integer values too big to handle...
c Parse Error 8
c Problem opening input file name: /oldhome/oroussel/tmp/wulflinc28/normalized-mps-v2-13-7-core4284-1064.opb
s UNKNOWN
c Exit Code: 0

Watcher Data

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGTERM then SIGKILL): 921600 Kb
Enforcing VSIZE limit: 994918400 bytes
Current StackSize limit: 67108864 bytes
Raw data (/proc/14685/stat): 14685 (bsolo) R 14684 14685 20115 0 -1 0 19 0 0 0 0 0 0 0 22 0 1 0 1854417067 438272 3 4294967295 134512640 134736556 3221224560 3221224560 1073744960 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/14685/statm): 107 3 90 68 0 39 0
[pid=14685] vsize: 428
open syscall for file /etc/ld.so.preload
open syscall for file tls/i686/mmx/libosl.so
open syscall for file tls/i686/libosl.so
open syscall for file tls/mmx/libosl.so
open syscall for file tls/libosl.so
open syscall for file i686/mmx/libosl.so
open syscall for file i686/libosl.so
open syscall for file mmx/libosl.so
open syscall for file libosl.so
open syscall for file /oldhome/oroussel/lib/tls/i686/mmx/libosl.so
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open syscall for file /oldhome/oroussel/lib/tls/mmx/libosl.so
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open syscall for file /oldhome/oroussel/lib/libosl.so
open syscall for file tls/i686/mmx/libstdc++-libc6.2-2.so.3
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open syscall for file tls/mmx/libstdc++-libc6.2-2.so.3
open syscall for file tls/libstdc++-libc6.2-2.so.3
open syscall for file i686/mmx/libstdc++-libc6.2-2.so.3
open syscall for file i686/libstdc++-libc6.2-2.so.3
open syscall for file mmx/libstdc++-libc6.2-2.so.3
open syscall for file libstdc++-libc6.2-2.so.3
open syscall for file /oldhome/oroussel/lib/libstdc++-libc6.2-2.so.3
open syscall for file /etc/ld.so.cache
open syscall for file /usr/lib/libstdc++-libc6.2-2.so.3
open syscall for file tls/i686/mmx/libm.so.6
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open syscall for file i686/mmx/libm.so.6
open syscall for file i686/libm.so.6
open syscall for file mmx/libm.so.6
open syscall for file libm.so.6
open syscall for file /oldhome/oroussel/lib/libm.so.6
open syscall for file /lib/tls/libm.so.6
open syscall for file tls/i686/mmx/libpthread.so.0
open syscall for file tls/i686/libpthread.so.0
open syscall for file tls/mmx/libpthread.so.0
open syscall for file tls/libpthread.so.0
open syscall for file i686/mmx/libpthread.so.0
open syscall for file i686/libpthread.so.0
open syscall for file mmx/libpthread.so.0
open syscall for file libpthread.so.0
open syscall for file /oldhome/oroussel/lib/libpthread.so.0
open syscall for file /lib/tls/libpthread.so.0
open syscall for file tls/i686/mmx/libc.so.6
open syscall for file tls/i686/libc.so.6
open syscall for file tls/mmx/libc.so.6
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open syscall for file i686/mmx/libc.so.6
open syscall for file i686/libc.so.6
open syscall for file mmx/libc.so.6
open syscall for file libc.so.6
open syscall for file /oldhome/oroussel/lib/libc.so.6
open syscall for file /lib/tls/libc.so.6
open syscall for file tls/i686/mmx/libgcc_s.so.1
open syscall for file tls/i686/libgcc_s.so.1
open syscall for file tls/mmx/libgcc_s.so.1
open syscall for file tls/libgcc_s.so.1
open syscall for file i686/mmx/libgcc_s.so.1
open syscall for file i686/libgcc_s.so.1
open syscall for file mmx/libgcc_s.so.1
open syscall for file libgcc_s.so.1
open syscall for file /oldhome/oroussel/lib/libgcc_s.so.1
open syscall for file /lib/libgcc_s.so.1
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open syscall for file /oldhome/oroussel/tmp/wulflinc28/normalized-mps-v2-13-7-core4284-1064.opb

[startup+10.0036 s]
Raw data (loadavg): 0.93 0.98 0.99 2/56 14685
Raw data (/proc/14685/stat): 14685 (bsolo) R 14684 14685 20115 0 -1 0 132370 0 0 0 662 284 0 0 25 0 1 0 1854417067 545153024 132195 4294967295 134512640 134736556 3221224560 3221222444 1077245729 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/14685/statm): 133094 132195 1116 68 0 133026 0
[pid=14685] vsize: 532376
Current children cumulated CPU time (s) 9.46
Current children cumulated vsize (Kb) 532376

[startup+20.0043 s]
Raw data (loadavg): 0.94 0.98 0.99 2/56 14685
Raw data (/proc/14685/stat): 14685 (bsolo) R 14684 14685 20115 0 -1 0 133270 0 0 0 1656 289 0 0 25 0 1 0 1854417067 548802560 133095 4294967295 134512640 134736556 3221224560 3221223068 1077399562 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/14685/statm): 133985 133095 1116 68 0 133917 0
[pid=14685] vsize: 535940
Current children cumulated CPU time (s) 19.45
Current children cumulated vsize (Kb) 535940

[startup+30.005 s]
Raw data (loadavg): 0.95 0.98 0.99 2/56 14685
Raw data (/proc/14685/stat): 14685 (bsolo) R 14684 14685 20115 0 -1 0 134189 0 0 0 2650 293 0 0 25 0 1 0 1854417067 552587264 134014 4294967295 134512640 134736556 3221224560 3221221404 1077247265 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/14685/statm): 134909 134014 1116 68 0 134841 0
[pid=14685] vsize: 539636
Current children cumulated CPU time (s) 29.43
Current children cumulated vsize (Kb) 539636

[startup+40.0057 s]
Raw data (loadavg): 0.96 0.98 0.99 2/56 14685
Raw data (/proc/14685/stat): 14685 (bsolo) R 14684 14685 20115 0 -1 0 135121 0 0 0 3644 297 0 0 25 0 1 0 1854417067 556371968 134946 4294967295 134512640 134736556 3221224560 3221223068 1077399562 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/14685/statm): 135833 134946 1116 68 0 135765 0
[pid=14685] vsize: 543332
Current children cumulated CPU time (s) 39.41
Current children cumulated vsize (Kb) 543332

[startup+50.0064 s]
Raw data (loadavg): 0.96 0.98 0.99 2/56 14685
Raw data (/proc/14685/stat): 14685 (bsolo) R 14684 14685 20115 0 -1 0 136613 0 0 0 4637 302 0 0 25 0 1 0 1854417067 562614272 136418 4294967295 134512640 134736556 3221224560 3221223072 134572994 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/14685/statm): 137357 136418 1116 68 0 137289 0
[pid=14685] vsize: 549428
Current children cumulated CPU time (s) 49.39
Current children cumulated vsize (Kb) 549428
One traced child (pid=14685) exited with status: 0
All traced children have exited ! Game is over.

Child status: 0
Real time (s): 52.9377
CPU time (s): 52.322
CPU user time (s): 49.0215
CPU system time (s): 3.3005
CPU usage (%): 98.8371
Max. virtual memory (cumulated for all children) (Kb): 549428

Verifier Data

ERROR: no interpretation found !