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-d2q06c.opb
MD5SUM8e2638ad794b39b950927d7f3192369b
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 59780
Biggest coefficient in the objective function 35431356301312
Number of bits for the biggest coefficient in the objective function 46
Sum of the numbers in the objective function 17025894421914675
Number of bits of the sum of numbers in the objective function 54
Biggest number in a constraint 1217763488038912
Number of bits of the biggest number in a constraint 51
Biggest sum of numbers in a constraint 17025894421914675
Number of bits of the biggest sum of numbers54
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark48.9606
Number of variables103340
Total number of constraints2171
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 constraints2171
Minimum length of a constraint20
Maximum length of a constraint2180

Trace number 5012

Launcher Data

LAUNCH ON wulflinc7 THE 2005-09-19 22:08:43 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=804 boxname=wulflinc7 idbench=804 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  8e2638ad794b39b950927d7f3192369b  /oldhome/oroussel/tmp/wulflinc7/normalized-mps-v2-13-7-d2q06c.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc7/normalized-mps-v2-13-7-d2q06c.opb
IDLAUNCH: 804
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.050
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	: 2
cpu MHz		: 451.050
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:        878240 kB
Buffers:         31844 kB
Cached:          99000 kB
SwapCached:        736 kB
Active:          65952 kB
Inactive:        67492 kB
HighTotal:      131008 kB
HighFree:        28308 kB
LowTotal:       903652 kB
LowFree:        849932 kB
SwapTotal:     2097136 kB
SwapFree:      2095896 kB
Dirty:              36 kB
Writeback:           0 kB
Mapped:           5720 kB
Slab:            17168 kB
Committed_AS:    64168 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-19 22:10:04 (client local time) WITH STATUS 20 IN 79.9009 SECONDS
stats: 804 7 79.9009 20

Solver Data

c INFO: OSL Context initialized.
c BIG Int formula...
c Initial problem consists of 103340 variables and 3674 constraints.
s UNSATISFIABLE
c Exit Code: 20
c Total time: 79.712 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/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 19 0 0 0 0 0 0 0 22 0 1 0 1795175884 438272 3 4294967295 134512640 134736556 3221224560 3221224560 1073744960 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/5469/statm): 107 3 90 68 0 39 0
[pid=5469] 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
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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
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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
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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
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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/tmp/wulflinc7/normalized-mps-v2-13-7-d2q06c.opb

[startup+10.0032 s]
Raw data (loadavg): 0.89 0.97 0.99 2/56 5469
Raw data (/proc/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 46621 0 0 0 851 121 0 0 25 0 1 0 1795175884 192364544 45865 4294967295 134512640 134736556 3221224560 3221223068 1077399567 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/5469/statm): 46964 45865 1116 68 0 46896 0
[pid=5469] vsize: 187856
Current children cumulated CPU time (s) 9.72
Current children cumulated vsize (Kb) 187856

[startup+20.0039 s]
Raw data (loadavg): 0.91 0.97 0.99 2/56 5469
Raw data (/proc/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 53683 0 0 0 1829 139 0 0 25 0 1 0 1795175884 221224960 52927 4294967295 134512640 134736556 3221224560 3221221256 1077359374 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/5469/statm): 54010 52927 1116 68 0 53942 0
[pid=5469] vsize: 216040
Current children cumulated CPU time (s) 19.68
Current children cumulated vsize (Kb) 216040

[startup+30.0035 s]
Raw data (loadavg): 0.92 0.97 0.99 2/56 5469
Raw data (/proc/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 60807 0 0 0 2809 154 0 0 25 0 1 0 1795175884 250286080 60051 4294967295 134512640 134736556 3221224560 3221223136 134539937 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/5469/statm): 61105 60051 1116 68 0 61037 0
[pid=5469] vsize: 244420
Current children cumulated CPU time (s) 29.63
Current children cumulated vsize (Kb) 244420

[startup+40.0051 s]
Raw data (loadavg): 0.93 0.97 0.99 2/56 5469
Raw data (/proc/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 67701 0 0 0 3791 169 0 0 25 0 1 0 1795175884 278478848 66945 4294967295 134512640 134736556 3221224560 3221222824 1077360322 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/5469/statm): 67988 66945 1116 68 0 67920 0
[pid=5469] vsize: 271952
Current children cumulated CPU time (s) 39.6
Current children cumulated vsize (Kb) 271952

[startup+50.0057 s]
Raw data (loadavg): 0.94 0.97 0.99 2/56 5469
Raw data (/proc/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 74331 0 0 0 4771 185 0 0 25 0 1 0 1795175884 305467392 73575 4294967295 134512640 134736556 3221224560 3221223068 134517552 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/5469/statm): 74577 73575 1116 68 0 74509 0
[pid=5469] vsize: 298308
Current children cumulated CPU time (s) 49.56
Current children cumulated vsize (Kb) 298308

[startup+60.0054 s]
Raw data (loadavg): 0.95 0.97 0.99 2/56 5469
Raw data (/proc/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 80925 0 0 0 5752 200 0 0 25 0 1 0 1795175884 332357632 80169 4294967295 134512640 134736556 3221224560 3221223068 1077049379 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/5469/statm): 81142 80169 1116 68 0 81074 0
[pid=5469] vsize: 324568
Current children cumulated CPU time (s) 59.52
Current children cumulated vsize (Kb) 324568

[startup+70.006 s]
Raw data (loadavg): 0.96 0.97 0.99 2/56 5469
Raw data (/proc/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 85924 0 0 0 6736 212 0 0 25 0 1 0 1795175884 352829440 85168 4294967295 134512640 134736556 3221224560 3221222848 1077244290 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/5469/statm): 86140 85168 1116 68 0 86072 0
[pid=5469] vsize: 344560
Current children cumulated CPU time (s) 69.48
Current children cumulated vsize (Kb) 344560

[startup+80.0056 s]
Raw data (loadavg): 0.96 0.97 0.99 2/56 5469
Raw data (/proc/5469/stat): 5469 (bsolo) R 5468 5469 15400 0 -1 0 95025 0 0 0 7710 237 0 0 25 0 1 0 1795175884 393003008 94269 4294967295 134512640 134736556 3221224560 3221223408 134556373 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/5469/statm): 95948 94274 1116 68 0 95880 0
[pid=5469] vsize: 383792
Current children cumulated CPU time (s) 79.47
Current children cumulated vsize (Kb) 383792
One traced child (pid=5469) exited with status: 20
All traced children have exited ! Game is over.

Child status: 20
Real time (s): 80.4478
CPU time (s): 79.9009
CPU user time (s): 77.2682
CPU system time (s): 2.6326
CPU usage (%): 99.3201
Max. virtual memory (cumulated for all children) (Kb): 383792

Verifier Data

ERROR: no interpretation found !