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-v2-20-10/plato.asu.edu/pub/unibo/normalized-mps-v2-20-10-NSR8K.opb
MD5SUM4969ff20db6e3c380ff3de77937a8672
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 221520
Biggest coefficient in the objective function 536870912000000000000
Number of bits for the biggest coefficient in the objective function 69
Sum of the numbers in the objective function 34400198927214220148736
Number of bits of the sum of numbers in the objective function 75
Biggest number in a constraint 536870912000000000000
Number of bits of the biggest number in a constraint 69
Biggest sum of numbers in a constraint 34400301327214220148736
Number of bits of the biggest sum of numbers75
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables221520
Total number of constraints38324
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)32041
Number of constraints which are nor clauses,nor cardinality constraints6283
Minimum length of a constraint1
Maximum length of a constraint221520

Trace number 4968

Launcher Data

LAUNCH ON wulflinc11 THE 2005-09-19 21:48:45 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=765 boxname=wulflinc11 idbench=765 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  4969ff20db6e3c380ff3de77937a8672  /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-20-10-NSR8K.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-20-10-NSR8K.opb
IDLAUNCH: 765
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.028
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		: 451.028
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:        842332 kB
Buffers:         36384 kB
Cached:         127852 kB
SwapCached:        732 kB
Active:          89008 kB
Inactive:        77840 kB
HighTotal:      131008 kB
HighFree:         3696 kB
LowTotal:       903652 kB
LowFree:        838636 kB
SwapTotal:     2097136 kB
SwapFree:      2095856 kB
Dirty:              40 kB
Writeback:           0 kB
Mapped:           5716 kB
Slab:            19740 kB
Committed_AS:    64132 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-19 21:49:13 (client local time) WITH STATUS 0 IN 22.8035 SECONDS
stats: 765 7 22.8035 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/28868/stat): 28868 (bsolo) R 28867 28868 9854 0 -1 0 19 0 0 0 0 0 0 0 23 0 1 0 1795028454 438272 3 4294967295 134512640 134736556 3221224560 3221224560 1073744960 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/28868/statm): 107 3 90 68 0 39 0
[pid=28868] 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
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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/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-20-10-NSR8K.opb

[startup+10.0034 s]
Raw data (loadavg): 0.98 1.08 1.08 2/56 28868
Raw data (/proc/28868/stat): 28868 (bsolo) R 28867 28868 9854 0 -1 0 140389 0 0 0 645 294 0 0 25 0 1 0 1795028454 578281472 140300 4294967295 134512640 134736556 3221224560 3221223344 134565053 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/28868/statm): 141182 140306 1116 68 0 141114 0
[pid=28868] vsize: 564728
Current children cumulated CPU time (s) 9.39
Current children cumulated vsize (Kb) 564728

[startup+20.0042 s]
Raw data (loadavg): 0.99 1.07 1.08 2/56 28868
Raw data (/proc/28868/stat): 28868 (bsolo) R 28867 28868 9854 0 -1 0 216373 0 7 0 1444 454 0 0 21 0 1 0 1795028454 888893440 214667 4294967295 134512640 134736556 3221224560 3221222984 1077378037 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/28868/statm): 217015 214667 1116 68 0 216947 0
[pid=28868] vsize: 868060
Current children cumulated CPU time (s) 18.98
Current children cumulated vsize (Kb) 868060



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+24.0442 s]
Raw data (loadavg): 1.07 1.09 1.08 2/56 28868
Raw data (/proc/28868/stat): 28868 (bsolo) T 28867 28868 9854 0 -1 0 230580 0 49 0 1737 502 0 0 21 0 1 0 1795028454 943771648 223224 4294967295 134512640 134736556 3221224560 3221222796 1077782939 0 0 5 16384 3222434794 0 0 17 1 0 0
Raw data (/proc/28868/statm): 230413 223224 1116 68 0 230345 0
[pid=28868] vsize: 921652
Current children cumulated CPU time (s) 22.39
Current children cumulated vsize (Kb) 921652

Sending SIGTERM to -28868
Sleeping 2 seconds
Sending SIGKILL to -28868
One traced child (pid=28868) 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): 26.4573
CPU time (s): 22.8035
CPU user time (s): 17.3744
CPU system time (s): 5.42917
CPU usage (%): 86.1898
Max. virtual memory (cumulated for all children) (Kb): 921652

Verifier Data

ERROR: no interpretation found !