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-UMTS.opb
MD5SUMea791006d6c51b520e558c3246209299
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 34345742
Optimality of the best value was proved NO
Number of terms in the objective function 4170
Biggest coefficient in the objective function 23582998528
Number of bits for the biggest coefficient in the objective function 35
Sum of the numbers in the objective function 2904924551250
Number of bits of the sum of numbers in the objective function 42
Biggest number in a constraint 1024000000000
Number of bits of the biggest number in a constraint 40
Biggest sum of numbers in a constraint 2904924551250
Number of bits of the biggest sum of numbers42
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1267.05
Number of variables6402
Total number of constraints7267
Number of constraints which are clauses2785
Number of constraints which are cardinality constraints (but not clauses)4230
Number of constraints which are nor clauses,nor cardinality constraints252
Minimum length of a constraint1
Maximum length of a constraint511

Trace number 10228

Launcher Data

LAUNCH ON wulflinc15 THE 2005-09-23 17:40:43 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8980 boxname=wulflinc15 idbench=776 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  ea791006d6c51b520e558c3246209299  /oldhome/oroussel/tmp/wulflinc15/normalized-mps-v2-20-10-UMTS.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc15/normalized-mps-v2-20-10-UMTS.opb
IDLAUNCH: 8980
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.045
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		: 451.045
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:        895904 kB
Buffers:          4340 kB
Cached:         114048 kB
SwapCached:          0 kB
Active:          18900 kB
Inactive:       102384 kB
HighTotal:      131008 kB
HighFree:        80948 kB
LowTotal:       903652 kB
LowFree:        814956 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6984 kB
Slab:            11760 kB
Committed_AS:    63632 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 17:42:22 (client local time) WITH STATUS 0 IN 96.5983 SECONDS
stats: 8980 7 96.5983 0

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified
s UNKNOWN

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/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 22060463 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 373 2 364 364 0 9 0
[pid=8225] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc15/normalized-mps-v2-20-10-UMTS.opb

[startup+10.0022 s]
Raw data (loadavg): 0.92 0.95 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 27938 0 0 0 934 61 0 0 25 0 1 0 22060463 87904256 16817 4294967295 134512640 135987407 3221224560 3221214688 134887887 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 21461 16817 364 364 0 21097 0
[pid=8225] vsize: 85844
Current children cumulated CPU time (s) 9.95
Current children cumulated vsize (Kb) 85844

[startup+20.003 s]
Raw data (loadavg): 0.93 0.96 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 54728 0 0 0 1878 118 0 0 25 0 1 0 22060463 165212160 32386 4294967295 134512640 135987407 3221224560 3221221268 135479892 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 40335 32386 364 364 0 39971 0
[pid=8225] vsize: 161340
Current children cumulated CPU time (s) 19.96
Current children cumulated vsize (Kb) 161340

[startup+30.0038 s]
Raw data (loadavg): 0.94 0.96 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 94207 0 0 0 2798 196 0 0 25 0 1 0 22060463 281677824 49660 4294967295 134512640 135987407 3221224560 3221213232 134639014 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 68769 49660 364 364 0 68405 0
[pid=8225] vsize: 275076
Current children cumulated CPU time (s) 29.94
Current children cumulated vsize (Kb) 275076

[startup+40.0046 s]
Raw data (loadavg): 0.95 0.96 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 108142 0 0 0 3769 224 0 0 25 0 1 0 22060463 318611456 63363 4294967295 134512640 135987407 3221224560 3221211456 134931257 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 77786 63363 364 364 0 77422 0
[pid=8225] vsize: 311144
Current children cumulated CPU time (s) 39.93
Current children cumulated vsize (Kb) 311144

[startup+50.0054 s]
Raw data (loadavg): 0.96 0.96 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 140418 0 0 0 4707 284 0 0 25 0 1 0 22060463 497311744 94777 4294967295 134512640 135987407 3221224560 3221190412 135482121 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 121414 94777 364 364 0 121050 0
[pid=8225] vsize: 485656
Current children cumulated CPU time (s) 49.91
Current children cumulated vsize (Kb) 485656

[startup+60.0063 s]
Raw data (loadavg): 0.96 0.96 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 187263 0 0 0 5604 387 0 0 25 0 1 0 22060463 552218624 98077 4294967295 134512640 135987407 3221224560 3221189228 135484970 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 134819 98077 364 364 0 134455 0
[pid=8225] vsize: 539276
Current children cumulated CPU time (s) 59.91
Current children cumulated vsize (Kb) 539276

[startup+70.0071 s]
Raw data (loadavg): 0.97 0.96 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 201759 0 0 0 6570 420 0 0 25 0 1 0 22060463 589463552 112333 4294967295 134512640 135987407 3221224560 3221139040 134637865 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 143912 112333 364 364 0 143548 0
[pid=8225] vsize: 575648
Current children cumulated CPU time (s) 69.9
Current children cumulated vsize (Kb) 575648

[startup+80.0089 s]
Raw data (loadavg): 0.97 0.96 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 217437 0 0 0 7532 458 0 0 25 0 1 0 22060463 593788928 127753 4294967295 134512640 135987407 3221224560 3221173312 134537491 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 144968 127753 364 364 0 144604 0
[pid=8225] vsize: 579872
Current children cumulated CPU time (s) 79.9
Current children cumulated vsize (Kb) 579872

[startup+90.0097 s]
Raw data (loadavg): 0.98 0.96 0.98 2/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) R 8224 8225 4057 0 -1 0 229993 0 0 0 8506 484 0 0 25 0 1 0 22060463 647499776 140102 4294967295 134512640 135987407 3221224560 3221169100 135499903 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8225/statm): 158081 140102 364 364 0 157717 0
[pid=8225] vsize: 632324
Current children cumulated CPU time (s) 89.9
Current children cumulated vsize (Kb) 632324



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+96.3931 s]
Raw data (loadavg): 0.98 0.96 0.98 1/55 8225
Raw data (/proc/8225/stat): 8225 (pb2sat) T 8224 8225 4057 0 -1 0 244328 0 0 0 9113 514 0 0 25 0 1 0 22060463 943800320 154119 4294967295 134512640 135987407 3221224560 3221173228 135635874 0 0 5 16384 3222434794 0 0 17 1 0 0
Raw data (/proc/8225/statm): 230420 154119 364 364 0 230056 0
[pid=8225] vsize: 921680
Current children cumulated CPU time (s) 96.27
Current children cumulated vsize (Kb) 921680

Sending SIGTERM to -8225
Sleeping 2 seconds
Sending SIGKILL to -8225
One traced child (pid=8225) 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): 98.7121
CPU time (s): 96.5983
CPU user time (s): 91.1421
CPU system time (s): 5.45617
CPU usage (%): 97.8587
Max. virtual memory (cumulated for all children) (Kb): 921680

Verifier Data

ERROR: no interpretation found !