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/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-ship12l.opb
MD5SUMa8bcf2463daf8317f47d4d0efa977ac7
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 108540
Biggest coefficient in the objective function 1475608576000
Number of bits for the biggest coefficient in the objective function 41
Sum of the numbers in the objective function 416772837549750
Number of bits of the sum of numbers in the objective function 49
Biggest number in a constraint 1475608576000
Number of bits of the biggest number in a constraint 41
Biggest sum of numbers in a constraint 416772837549750
Number of bits of the biggest sum of numbers49
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark7.61684
Number of variables108540
Total number of constraints1042
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 constraints1042
Minimum length of a constraint20
Maximum length of a constraint1500

Trace number 5067

Launcher Data

LAUNCH ON wulflinc8 THE 2005-09-19 22:31:38 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=860 boxname=wulflinc8 idbench=860 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  a8bcf2463daf8317f47d4d0efa977ac7  /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-ship12l.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-13-7-ship12l.opb
IDLAUNCH: 860
/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:        882520 kB
Buffers:         32948 kB
Cached:          93428 kB
SwapCached:        784 kB
Active:          48396 kB
Inactive:        80640 kB
HighTotal:      131008 kB
HighFree:        33628 kB
LowTotal:       903652 kB
LowFree:        848892 kB
SwapTotal:     2097136 kB
SwapFree:      2095880 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5756 kB
Slab:            17396 kB
Committed_AS:    64168 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-19 22:33:01 (client local time) WITH STATUS 20 IN 82.6864 SECONDS
stats: 860 7 82.6864 20

Solver Data

c INFO: OSL Context initialized.
c BIG Int formula...
c Initial problem consists of 108540 variables and 1693 constraints.
s UNSATISFIABLE
c Exit Code: 20
c Total time: 82.502 s

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/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 19 0 0 0 0 0 0 0 22 0 1 0 1781724137 438272 3 4294967295 134512640 134736556 3221224560 3221224560 1073744960 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/16516/statm): 107 3 90 68 0 39 0
[pid=16516] 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
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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 i686/mmx/libstdc++-libc6.2-2.so.3
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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 /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
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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
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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
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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-ship12l.opb

[startup+10.004 s]
Raw data (loadavg): 0.90 0.97 0.99 2/56 16516
Raw data (/proc/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 61576 0 0 0 837 132 0 0 25 0 1 0 1781724137 254771200 61172 4294967295 134512640 134736556 3221224560 3221222712 1077378037 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/16516/statm): 62200 61178 1116 68 0 62132 0
[pid=16516] vsize: 248800
Current children cumulated CPU time (s) 9.69
Current children cumulated vsize (Kb) 248800

[startup+20.0049 s]
Raw data (loadavg): 0.92 0.97 0.99 2/56 16516
Raw data (/proc/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 77736 0 0 0 1798 165 0 0 25 0 1 0 1781724137 317919232 76686 4294967295 134512640 134736556 3221224560 3221223136 134539937 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/16516/statm): 77617 76686 1116 68 0 77549 0
[pid=16516] vsize: 310468
Current children cumulated CPU time (s) 19.63
Current children cumulated vsize (Kb) 310468

[startup+30.0046 s]
Raw data (loadavg): 0.93 0.97 0.99 2/56 16516
Raw data (/proc/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 79214 0 0 0 2792 169 0 0 25 0 1 0 1781724137 324009984 78164 4294967295 134512640 134736556 3221224560 3221223068 1077399562 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/16516/statm): 79104 78164 1116 68 0 79036 0
[pid=16516] vsize: 316416
Current children cumulated CPU time (s) 29.61
Current children cumulated vsize (Kb) 316416

[startup+40.0054 s]
Raw data (loadavg): 0.94 0.97 0.99 2/56 16516
Raw data (/proc/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 80420 0 0 0 3786 173 0 0 25 0 1 0 1781724137 328880128 79370 4294967295 134512640 134736556 3221224560 3221223072 134572994 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/16516/statm): 80293 79370 1116 68 0 80225 0
[pid=16516] vsize: 321172
Current children cumulated CPU time (s) 39.59
Current children cumulated vsize (Kb) 321172

[startup+50.0062 s]
Raw data (loadavg): 0.95 0.97 0.99 2/56 16516
Raw data (/proc/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 81488 0 0 0 4781 178 0 0 25 0 1 0 1781724137 333344768 80438 4294967295 134512640 134736556 3221224560 3221223068 1077399562 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/16516/statm): 81383 80438 1116 68 0 81315 0
[pid=16516] vsize: 325532
Current children cumulated CPU time (s) 49.59
Current children cumulated vsize (Kb) 325532

[startup+60.007 s]
Raw data (loadavg): 0.95 0.97 0.99 2/56 16516
Raw data (/proc/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 82451 0 0 0 5776 180 0 0 25 0 1 0 1781724137 337281024 81401 4294967295 134512640 134736556 3221224560 3221221260 1077198296 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/16516/statm): 82344 81401 1116 68 0 82276 0
[pid=16516] vsize: 329376
Current children cumulated CPU time (s) 59.56
Current children cumulated vsize (Kb) 329376

[startup+70.0078 s]
Raw data (loadavg): 0.96 0.97 0.99 2/56 16516
Raw data (/proc/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 83570 0 0 0 6772 183 0 0 25 0 1 0 1781724137 341897216 82520 4294967295 134512640 134736556 3221224560 3221223068 1077399560 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/16516/statm): 83471 82520 1116 68 0 83403 0
[pid=16516] vsize: 333884
Current children cumulated CPU time (s) 69.55
Current children cumulated vsize (Kb) 333884

[startup+80.0075 s]
Raw data (loadavg): 0.97 0.97 0.99 2/56 16516
Raw data (/proc/16516/stat): 16516 (bsolo) R 16515 16516 27660 0 -1 0 84639 0 0 0 7767 187 0 0 25 0 1 0 1781724137 346247168 83589 4294967295 134512640 134736556 3221224560 3221221316 1077365029 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/16516/statm): 84533 83589 1116 68 0 84465 0
[pid=16516] vsize: 338132
Current children cumulated CPU time (s) 79.54
Current children cumulated vsize (Kb) 338132
One traced child (pid=16516) exited with status: 20
All traced children have exited ! Game is over.

Child status: 20
Real time (s): 83.1573
CPU time (s): 82.6864
CPU user time (s): 80.3918
CPU system time (s): 2.29465
CPU usage (%): 99.4338
Max. virtual memory (cumulated for all children) (Kb): 338132

Verifier Data

ERROR: no interpretation found !