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/milp/normalized-mps-v2-13-7-neos19.opb
MD5SUM807e897c82c7100925712510cfaeeca1
Bench Categoryoptimization, small integers (OPTSMALLINT)
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 1611
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 1611
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 3072
Number of bits of the biggest number in a constraint 12
Biggest sum of numbers in a constraint 12240
Number of bits of the biggest sum of numbers14
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables760312
Total number of constraints137871
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)10091
Number of constraints which are nor clauses,nor cardinality constraints127780
Minimum length of a constraint1
Maximum length of a constraint268

Trace number 5319

Launcher Data

LAUNCH ON wulflinc23 THE 2005-09-20 00:39:52 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=1110 boxname=wulflinc23 idbench=1110 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  807e897c82c7100925712510cfaeeca1  /oldhome/oroussel/tmp/wulflinc23/normalized-mps-v2-13-7-neos19.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc23/normalized-mps-v2-13-7-neos19.opb
IDLAUNCH: 1110
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.037
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	: 890.88

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.037
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:        857884 kB
Buffers:         16356 kB
Cached:         131764 kB
SwapCached:        800 kB
Active:          74252 kB
Inactive:        76516 kB
HighTotal:      131008 kB
HighFree:         3864 kB
LowTotal:       903652 kB
LowFree:        854020 kB
SwapTotal:     2097136 kB
SwapFree:      2095856 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5692 kB
Slab:            20264 kB
Committed_AS:    64168 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-20 00:40:55 (client local time) WITH STATUS 0 IN 57.8792 SECONDS
stats: 1110 7 57.8792 0

Solver Data

c INFO: OSL Context initialized.
c Caught signal: 15
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/25091/stat): 25091 (bsolo) R 25090 25091 5299 0 -1 0 19 0 0 0 0 0 0 0 23 0 1 0 1854297293 438272 3 4294967295 134512640 134736556 3221224560 3221224560 1073744960 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/25091/statm): 107 3 90 68 0 39 0
[pid=25091] 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
open syscall for file /oldhome/oroussel/lib/tls/i686/libosl.so
open syscall for file /oldhome/oroussel/lib/tls/mmx/libosl.so
open syscall for file /oldhome/oroussel/lib/tls/libosl.so
open syscall for file /oldhome/oroussel/lib/i686/mmx/libosl.so
open syscall for file /oldhome/oroussel/lib/i686/libosl.so
open syscall for file /oldhome/oroussel/lib/mmx/libosl.so
open syscall for file /oldhome/oroussel/lib/libosl.so
open syscall for file tls/i686/mmx/libstdc++-libc6.2-2.so.3
open syscall for file tls/i686/libstdc++-libc6.2-2.so.3
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
open syscall for file tls/i686/libm.so.6
open syscall for file tls/mmx/libm.so.6
open syscall for file tls/libm.so.6
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
open syscall for file /.OptimizationSolutions/nodelock
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open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/tmp/wulflinc23/normalized-mps-v2-13-7-neos19.opb

[startup+10.0026 s]
Raw data (loadavg): 0.95 0.99 0.99 2/56 25091
Raw data (/proc/25091/stat): 25091 (bsolo) R 25090 25091 5299 0 -1 0 69211 0 0 0 812 151 0 0 25 0 1 0 1854297293 286429184 68957 4294967295 134512640 134736556 3221224560 3221223456 134570884 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/25091/statm): 69929 68959 1116 68 0 69861 0
[pid=25091] vsize: 279716
Current children cumulated CPU time (s) 9.63
Current children cumulated vsize (Kb) 279716

[startup+20.0033 s]
Raw data (loadavg): 0.96 0.99 0.99 2/56 25091
Raw data (/proc/25091/stat): 25091 (bsolo) R 25090 25091 5299 0 -1 0 116570 0 0 0 1700 244 0 0 25 0 1 0 1854297293 478699520 115758 4294967295 134512640 134736556 3221224560 3221222444 1077246305 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/25091/statm): 116870 115758 1116 68 0 116802 0
[pid=25091] vsize: 467480
Current children cumulated CPU time (s) 19.44
Current children cumulated vsize (Kb) 467480

[startup+30.0029 s]
Raw data (loadavg): 0.96 0.99 0.99 2/56 25091
Raw data (/proc/25091/stat): 25091 (bsolo) R 25090 25091 5299 0 -1 0 155459 0 0 0 2607 322 0 0 25 0 1 0 1854297293 637579264 154647 4294967295 134512640 134736556 3221224560 3221221404 1077258977 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/25091/statm): 155659 154647 1116 68 0 155591 0
[pid=25091] vsize: 622636
Current children cumulated CPU time (s) 29.29
Current children cumulated vsize (Kb) 622636

[startup+40.0036 s]
Raw data (loadavg): 0.97 0.99 0.99 1/56 25091
Raw data (/proc/25091/stat): 25091 (bsolo) T 25090 25091 5299 0 -1 0 185651 0 0 0 3535 380 0 0 25 0 1 0 1854297293 758341632 184227 4294967295 134512640 134736556 3221224560 3221222780 1077782939 0 0 5 16384 3222434794 0 0 17 1 0 0
Raw data (/proc/25091/statm): 185142 184227 1116 68 0 185074 0
[pid=25091] vsize: 740568
Current children cumulated CPU time (s) 39.15
Current children cumulated vsize (Kb) 740568

[startup+50.0042 s]
Raw data (loadavg): 0.97 0.99 0.99 2/56 25091
Raw data (/proc/25091/stat): 25091 (bsolo) R 25090 25091 5299 0 -1 0 211024 0 0 0 4477 428 0 0 25 0 1 0 1854297293 862060544 209600 4294967295 134512640 134736556 3221224560 3221222968 1077378037 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/25091/statm): 210464 209600 1116 68 0 210396 0
[pid=25091] vsize: 841856
Current children cumulated CPU time (s) 49.05
Current children cumulated vsize (Kb) 841856



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+59.0827 s]
Raw data (loadavg): 1.06 1.01 1.00 1/56 25091
Raw data (/proc/25091/stat): 25091 (bsolo) T 25090 25091 5299 0 -1 0 231019 0 7 0 5259 486 0 0 23 0 1 0 1854297293 943824896 220138 4294967295 134512640 134736556 3221224560 3221222780 1077782939 0 0 5 16384 3222434794 0 0 17 0 0 0
Raw data (/proc/25091/statm): 230426 220138 1116 68 0 230358 0
[pid=25091] vsize: 921704
Current children cumulated CPU time (s) 57.45
Current children cumulated vsize (Kb) 921704

Sending SIGTERM to -25091
Sleeping 2 seconds

[startup+60.0038 s]
Raw data (loadavg): 1.06 1.01 1.00 1/57 25092
Raw data (/proc/25091/stat): 25091 (bsolo) S 25090 25091 5299 0 -1 0 231022 0 7 0 5259 486 0 0 23 0 1 0 1854297293 943824896 220141 4294967295 134512640 134736556 3221224560 3221221752 1077867073 0 16384 5 16384 0 0 0 17 0 0 0
Raw data (/proc/25091/statm): 230426 220141 1116 68 0 230358 0
[pid=25091] vsize: 921704
Current children cumulated CPU time (s) 57.45
Current children cumulated vsize (Kb) 921704
Sending SIGKILL to -25091
One traced child (pid=25091) ended because it received signal 9 (SIGKILL)
All traced children have exited ! Game is over.

Child ended because it received signal 9 (SIGKILL)
Real time (s): 61.5078
CPU time (s): 57.8792
CPU user time (s): 52.592
CPU system time (s): 5.2872
CPU usage (%): 94.1006
Max. virtual memory (cumulated for all children) (Kb): 921704

Verifier Data

ERROR: no interpretation found !