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-core2586-950.opb
MD5SUMd227b04d1ac4226bb8116c410fa055ae
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 157824000000000
Optimality of the best value was proved NO
Number of terms in the objective function 13435
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 224301741012582900
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 1280224301741012680704
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 benchmark1207.46
Number of variables13435
Total number of constraints15804
Number of constraints which are clauses2586
Number of constraints which are cardinality constraints (but not clauses)13217
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint1
Maximum length of a constraint13435

Trace number 5344

Launcher Data

LAUNCH ON wulflinc8 THE 2005-09-20 00:59:34 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=1141 boxname=wulflinc8 idbench=1141 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  d227b04d1ac4226bb8116c410fa055ae  /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-core2586-950.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-core2586-950.opb
IDLAUNCH: 1141
/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:        878276 kB
Buffers:         33136 kB
Cached:          97660 kB
SwapCached:        784 kB
Active:          53852 kB
Inactive:        79632 kB
HighTotal:      131008 kB
HighFree:        31864 kB
LowTotal:       903652 kB
LowFree:        846412 kB
SwapTotal:     2097136 kB
SwapFree:      2095880 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5756 kB
Slab:            17220 kB
Committed_AS:    64168 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-20 00:59:55 (client local time) WITH STATUS 0 IN 20.3579 SECONDS
stats: 1141 7 20.3579 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/wulflinc8/normalized-mps-v2-13-7-core2586-950.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/17597/stat): 17597 (bsolo) R 17596 17597 27660 0 -1 0 19 0 0 0 0 0 0 0 22 0 1 0 1782611835 438272 3 4294967295 134512640 134736556 3221224560 3221224560 1073744960 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/17597/statm): 107 3 90 68 0 39 0
[pid=17597] 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 tls/i686/mmx/libstdc++-libc6.2-2.so.3
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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
open syscall for file tls/libc.so.6
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/wulflinc8/normalized-mps-v2-13-7-core2586-950.opb

[startup+10.0037 s]
Raw data (loadavg): 0.93 0.98 0.99 2/56 17597
Raw data (/proc/17597/stat): 17597 (bsolo) R 17596 17597 27660 0 -1 0 81256 0 0 0 787 176 0 0 25 0 1 0 1782611835 335958016 81167 4294967295 134512640 134736556 3221224560 3221223068 1077399562 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/17597/statm): 82021 81167 1116 68 0 81953 0
[pid=17597] vsize: 328084
Current children cumulated CPU time (s) 9.63
Current children cumulated vsize (Kb) 328084

[startup+20.0044 s]
Raw data (loadavg): 0.94 0.98 0.99 2/56 17597
Raw data (/proc/17597/stat): 17597 (bsolo) R 17596 17597 27660 0 -1 0 82538 0 0 0 1781 180 0 0 25 0 1 0 1782611835 341237760 82441 4294967295 134512640 134736556 3221224560 3221222444 1077244341 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/17597/statm): 83310 82441 1116 68 0 83242 0
[pid=17597] vsize: 333240
Current children cumulated CPU time (s) 19.61
Current children cumulated vsize (Kb) 333240
One traced child (pid=17597) exited with status: 0
All traced children have exited ! Game is over.

Child status: 0
Real time (s): 20.75
CPU time (s): 20.3579
CPU user time (s): 18.3942
CPU system time (s): 1.9637
CPU usage (%): 98.1103
Max. virtual memory (cumulated for all children) (Kb): 333240

Verifier Data

ERROR: no interpretation found !