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/MIPLIB/miplib3/normalized-mps-v2-13-7-swath.opb
MD5SUM02acc3d97c4f8ebb30f6632fa35817fc
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 21
Biggest coefficient in the objective function 1048576
Number of bits for the biggest coefficient in the objective function 21
Sum of the numbers in the objective function 2097151
Number of bits of the sum of numbers in the objective function 21
Biggest number in a constraint 16384000000
Number of bits of the biggest number in a constraint 34
Biggest sum of numbers in a constraint 2012983988447
Number of bits of the biggest sum of numbers41
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables8345
Total number of constraints7608
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)7147
Number of constraints which are nor clauses,nor cardinality constraints461
Minimum length of a constraint1
Maximum length of a constraint6744

Trace number 6204

Launcher Data

LAUNCH ON wulflinc12 THE 2005-09-20 04:41:06 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=3396 boxname=wulflinc12 idbench=1052 idsolver=3 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  02acc3d97c4f8ebb30f6632fa35817fc  /oldhome/oroussel/tmp/wulflinc12/normalized-mps-v2-13-7-swath.opb
REAL COMMAND:  minisat+_script /oldhome/oroussel/tmp/wulflinc12/normalized-mps-v2-13-7-swath.opb
IDLAUNCH: 3396
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.091
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		: 451.091
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:        901264 kB
Buffers:         33368 kB
Cached:          69432 kB
SwapCached:        492 kB
Active:          52696 kB
Inactive:        52612 kB
HighTotal:      131008 kB
HighFree:        59444 kB
LowTotal:       903652 kB
LowFree:        841820 kB
SwapTotal:     2097136 kB
SwapFree:      2096072 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5892 kB
Slab:            22348 kB
Committed_AS:    64164 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-20 04:42:07 (client local time) WITH STATUS 0 IN 53.6218 SECONDS
stats: 3396 7 53.6218 0

Solver Data



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/11970/stat): 11970 (minisat+_script) R 11969 11970 8263 0 -1 0 19 0 0 0 0 0 0 0 23 0 1 0 1797494459 712704 3 4294967295 134512640 135087896 3221224512 3221224512 1073744960 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/11970/statm): 174 3 169 147 0 27 0
[pid=11970] vsize: 696
open syscall for file /etc/ld.so.preload
open syscall for file tls/i686/mmx/libtermcap.so.2
open syscall for file tls/i686/libtermcap.so.2
open syscall for file tls/mmx/libtermcap.so.2
open syscall for file tls/libtermcap.so.2
open syscall for file i686/mmx/libtermcap.so.2
open syscall for file i686/libtermcap.so.2
open syscall for file mmx/libtermcap.so.2
open syscall for file libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/tls/i686/mmx/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/tls/i686/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/tls/mmx/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/tls/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/i686/mmx/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/i686/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/mmx/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/libtermcap.so.2
open syscall for file /etc/ld.so.cache
open syscall for file /lib/libtermcap.so.2
open syscall for file tls/i686/mmx/libdl.so.2
open syscall for file tls/i686/libdl.so.2
open syscall for file tls/mmx/libdl.so.2
open syscall for file tls/libdl.so.2
open syscall for file i686/mmx/libdl.so.2
open syscall for file i686/libdl.so.2
open syscall for file mmx/libdl.so.2
open syscall for file libdl.so.2
open syscall for file /oldhome/oroussel/lib/libdl.so.2
open syscall for file /lib/libdl.so.2
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 /dev/tty
open syscall for file /etc/mtab
open syscall for file /proc/meminfo
open syscall for file /oldhome/oroussel/solvers/minisat+_script
New process pid=11971
New process pid=11972
New process pid=11973
execve syscall for /bin/sed executable
One traced child (pid=11972) exited with status: 0
open syscall for file /etc/ld.so.preload
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/tls/i686/mmx/libc.so.6
open syscall for file /oldhome/oroussel/lib/tls/i686/libc.so.6
open syscall for file /oldhome/oroussel/lib/tls/mmx/libc.so.6
open syscall for file /oldhome/oroussel/lib/tls/libc.so.6
open syscall for file /oldhome/oroussel/lib/i686/mmx/libc.so.6
open syscall for file /oldhome/oroussel/lib/i686/libc.so.6
open syscall for file /oldhome/oroussel/lib/mmx/libc.so.6
open syscall for file /oldhome/oroussel/lib/libc.so.6
open syscall for file /etc/ld.so.cache
open syscall for file /lib/tls/libc.so.6
One traced child (pid=11973) exited with status: 0
One traced child (pid=11971) exited with status: 0
New process pid=11974
execve syscall for /oldhome/oroussel/solvers/minisat+_64-bit_static executable
open syscall for file /dev/null
open syscall for file /oldhome/oroussel/tmp/wulflinc12/normalized-mps-v2-13-7-swath.opb

[startup+10.004 s]
Raw data (loadavg): 0.93 0.97 0.94 1/57 11974
Raw data (/proc/11970/stat): 11970 (minisat+_script) S 11969 11970 8263 0 -1 0 289 239 0 0 0 1 0 0 22 0 1 0 1797494459 2174976 226 4294967295 134512640 135087896 3221224512 3221223784 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11970/statm): 531 226 485 147 0 384 0
[pid=11970] vsize: 2124
Raw data (/proc/11974/stat): 11974 (minisat+_64-bit) T 11970 11970 8263 0 -1 0 25438 0 0 0 794 108 0 0 24 0 1 0 1797494464 83189760 19991 4294967295 134512640 135094434 3221224432 3220360812 134870330 0 0 5 16386 3222434794 0 0 17 0 0 0
Raw data (/proc/11974/statm): 20310 19991 145 145 0 20165 0
[pid=11974] vsize: 81240
Current children cumulated CPU time (s) 9.03
Current children cumulated vsize (Kb) 83364

[startup+20.0049 s]
Raw data (loadavg): 0.94 0.97 0.94 2/57 11974
Raw data (/proc/11970/stat): 11970 (minisat+_script) S 11969 11970 8263 0 -1 0 289 239 0 0 0 1 0 0 22 0 1 0 1797494459 2174976 226 4294967295 134512640 135087896 3221224512 3221223784 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11970/statm): 531 226 485 147 0 384 0
[pid=11970] vsize: 2124
Raw data (/proc/11974/stat): 11974 (minisat+_64-bit) R 11970 11970 8263 0 -1 0 71026 0 0 0 1564 253 0 0 25 0 1 0 1797494464 248324096 60306 4294967295 134512640 135094434 3221224432 3220521488 134597447 0 0 5 16386 0 0 0 17 1 0 0
Raw data (/proc/11974/statm): 60626 60306 145 145 0 60481 0
[pid=11974] vsize: 242504
Current children cumulated CPU time (s) 18.18
Current children cumulated vsize (Kb) 244628

[startup+30.0067 s]
Raw data (loadavg): 0.95 0.97 0.94 2/57 11974
Raw data (/proc/11970/stat): 11970 (minisat+_script) S 11969 11970 8263 0 -1 0 289 239 0 0 0 1 0 0 22 0 1 0 1797494459 2174976 226 4294967295 134512640 135087896 3221224512 3221223784 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11970/statm): 531 226 485 147 0 384 0
[pid=11970] vsize: 2124
Raw data (/proc/11974/stat): 11974 (minisat+_64-bit) R 11970 11970 8263 0 -1 0 92762 0 0 0 2332 353 0 0 22 0 1 0 1797494464 294334464 71496 4294967295 134512640 135094434 3221224432 3220120960 134595120 0 0 5 16386 0 0 0 17 1 0 0
Raw data (/proc/11974/statm): 71859 71496 145 145 0 71714 0
[pid=11974] vsize: 287436
Current children cumulated CPU time (s) 26.86
Current children cumulated vsize (Kb) 289560

[startup+40.0075 s]
Raw data (loadavg): 1.04 0.99 0.95 1/57 11974
Raw data (/proc/11970/stat): 11970 (minisat+_script) S 11969 11970 8263 0 -1 0 289 239 0 0 0 1 0 0 22 0 1 0 1797494459 2174976 226 4294967295 134512640 135087896 3221224512 3221223784 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11970/statm): 531 226 485 147 0 384 0
[pid=11970] vsize: 2124
Raw data (/proc/11974/stat): 11974 (minisat+_64-bit) T 11970 11970 8263 0 -1 0 147933 0 0 0 3096 508 0 0 22 0 1 0 1797494464 433676288 105534 4294967295 134512640 135094434 3221224432 3220127612 134870330 0 0 5 16386 3222434794 0 0 17 1 0 0
Raw data (/proc/11974/statm): 105878 105534 145 145 0 105733 0
[pid=11974] vsize: 423512
Current children cumulated CPU time (s) 36.05
Current children cumulated vsize (Kb) 425636

[startup+50.0094 s]
Raw data (loadavg): 1.03 0.99 0.95 1/57 11974
Raw data (/proc/11970/stat): 11970 (minisat+_script) S 11969 11970 8263 0 -1 0 289 239 0 0 0 1 0 0 22 0 1 0 1797494459 2174976 226 4294967295 134512640 135087896 3221224512 3221223784 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11970/statm): 531 226 485 147 0 384 0
[pid=11970] vsize: 2124
Raw data (/proc/11974/stat): 11974 (minisat+_64-bit) T 11970 11970 8263 0 -1 0 171107 0 0 0 3843 622 0 0 21 0 1 0 1797494464 528519168 128708 4294967295 134512640 135094434 3221224432 3220122860 134870330 0 0 5 16386 3222434794 0 0 17 0 0 0
Raw data (/proc/11974/statm): 129033 128708 145 145 0 128888 0
[pid=11974] vsize: 516132
Current children cumulated CPU time (s) 44.66
Current children cumulated vsize (Kb) 518256



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+59.9924 s]
Raw data (loadavg): 1.02 0.99 0.95 1/57 11974
Raw data (/proc/11970/stat): 11970 (minisat+_script) S 11969 11970 8263 0 -1 0 289 239 0 0 0 1 0 0 22 0 1 0 1797494459 2174976 226 4294967295 134512640 135087896 3221224512 3221223784 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11970/statm): 531 226 485 147 0 384 0
[pid=11970] vsize: 2124
Raw data (/proc/11974/stat): 11974 (minisat+_64-bit) T 11970 11970 8263 0 -1 0 193817 0 0 0 4602 732 0 0 21 0 1 0 1797494464 967372800 151418 4294967295 134512640 135094434 3221224432 3220458684 134802701 0 0 5 16386 3222434794 0 0 17 1 0 0
Raw data (/proc/11974/statm): 236175 151418 145 145 0 236030 0
[pid=11974] vsize: 944700
Current children cumulated CPU time (s) 53.35
Current children cumulated vsize (Kb) 946824

Sending SIGTERM to -11970
Sleeping 2 seconds
One traced child (pid=11970) ended because it received signal 15 (SIGTERM)

[startup+60.0102 s]
Raw data (loadavg): 1.02 0.99 0.95 2/57 11975
Raw data (/proc/11970/stat): 11974 (minisat+_64-bit) T 11970 11970 8263 0 -1 0 193817 0 0 0 4602 732 0 0 21 0 1 0 1797494464 967372800 151418 4294967295 134512640 135094434 3221224432 3220458684 134802701 0 0 5 16386 3222434794 0 0 17 1 0 0
Raw data (/proc/11970/statm): 236175 151418 145 145 0 236030 0
[pid=11970] vsize: 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (Kb) 0
One traced child (pid=11974) exited with status: 0
All traced children have exited ! Game is over.

Child status: 0
Real time (s): 60.2716
CPU time (s): 53.6218
CPU user time (s): 46.024
CPU system time (s): 7.59784
CPU usage (%): 88.967
Max. virtual memory (cumulated for all children) (Kb): 946824



Verifier Data




ERROR: no interpretation found !