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/MIPLIB/miplib2003/normalized-mps-v2-20-10-swath.opb
MD5SUM12b1872758bf5ca9bcca815eb287b5de
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 31
Biggest coefficient in the objective function 1073741824
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 2147483647
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 16777216000000
Number of bits of the biggest number in a constraint 44
Biggest sum of numbers in a constraint 66042304016951
Number of bits of the biggest sum of numbers46
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables9155
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 constraint6754

Trace number 4466

Launcher Data

LAUNCH ON wulflinc1 THE 2005-09-19 17:41:55 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=2945 boxname=wulflinc1 idbench=601 idsolver=3 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  12b1872758bf5ca9bcca815eb287b5de  /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-swath.opb
REAL COMMAND:  minisat+_script /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-swath.opb
IDLAUNCH: 2945
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.053
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		: 451.053
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:        937724 kB
Buffers:          1916 kB
Cached:          65248 kB
SwapCached:       1176 kB
Active:          16424 kB
Inactive:        53300 kB
HighTotal:      131008 kB
HighFree:        62132 kB
LowTotal:       903652 kB
LowFree:        875592 kB
SwapTotal:     2097136 kB
SwapFree:      2095264 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5740 kB
Slab:            21448 kB
Committed_AS:    92628 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-19 17:43:02 (client local time) WITH STATUS 0 IN 60.2798 SECONDS
stats: 2945 7 60.2798 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/11039/stat): 11039 (minisat+_script) R 11038 11039 10120 0 -1 0 18 0 0 0 0 0 0 0 22 0 1 0 1736695110 712704 3 4294967295 134512640 135087896 3221221664 3221221664 1073744960 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/11039/statm): 174 3 169 147 0 27 0
[pid=11039] vsize: 696
open syscall for file /etc/ld.so.preload
open syscall for file /usr/local/intel-8.0-20031016/lib/tls/i686/mmx/libtermcap.so.2
open syscall for file /usr/local/intel-8.0-20031016/lib/tls/i686/libtermcap.so.2
open syscall for file /usr/local/intel-8.0-20031016/lib/tls/mmx/libtermcap.so.2
open syscall for file /usr/local/intel-8.0-20031016/lib/tls/libtermcap.so.2
open syscall for file /usr/local/intel-8.0-20031016/lib/i686/mmx/libtermcap.so.2
open syscall for file /usr/local/intel-8.0-20031016/lib/i686/libtermcap.so.2
open syscall for file /usr/local/intel-8.0-20031016/lib/mmx/libtermcap.so.2
open syscall for file /usr/local/intel-8.0-20031016/lib/libtermcap.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/tls/i686/mmx/libtermcap.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/tls/i686/libtermcap.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/tls/mmx/libtermcap.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/tls/libtermcap.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/i686/mmx/libtermcap.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/i686/libtermcap.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/mmx/libtermcap.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/libtermcap.so.2
open syscall for file /usr/local/globus-2.4.3/lib/tls/i686/mmx/libtermcap.so.2
open syscall for file /usr/local/globus-2.4.3/lib/tls/i686/libtermcap.so.2
open syscall for file /usr/local/globus-2.4.3/lib/tls/mmx/libtermcap.so.2
open syscall for file /usr/local/globus-2.4.3/lib/tls/libtermcap.so.2
open syscall for file /usr/local/globus-2.4.3/lib/i686/mmx/libtermcap.so.2
open syscall for file /usr/local/globus-2.4.3/lib/i686/libtermcap.so.2
open syscall for file /usr/local/globus-2.4.3/lib/mmx/libtermcap.so.2
open syscall for file /usr/local/globus-2.4.3/lib/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 /usr/local/intel-8.0-20031016/lib/libdl.so.2
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/libdl.so.2
open syscall for file /usr/local/globus-2.4.3/lib/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 /usr/local/intel-8.0-20031016/lib/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/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 /usr/lib/locale/locale-archive
open syscall for file /etc/mtab
open syscall for file /proc/meminfo
open syscall for file /oldhome/oroussel/solvers/minisat+_script
open syscall for file /usr/lib/gconv/gconv-modules.cache
New process pid=11040
New process pid=11041
New process pid=11042
execve syscall for /bin/sed executable
One traced child (pid=11041) exited with status: 0
open syscall for file /etc/ld.so.preload
open syscall for file /usr/local/intel-8.0-20031016/lib/tls/i686/mmx/libc.so.6
open syscall for file /usr/local/intel-8.0-20031016/lib/tls/i686/libc.so.6
open syscall for file /usr/local/intel-8.0-20031016/lib/tls/mmx/libc.so.6
open syscall for file /usr/local/intel-8.0-20031016/lib/tls/libc.so.6
open syscall for file /usr/local/intel-8.0-20031016/lib/i686/mmx/libc.so.6
open syscall for file /usr/local/intel-8.0-20031016/lib/i686/libc.so.6
open syscall for file /usr/local/intel-8.0-20031016/lib/mmx/libc.so.6
open syscall for file /usr/local/intel-8.0-20031016/lib/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/tls/i686/mmx/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/tls/i686/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/tls/mmx/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/tls/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/i686/mmx/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/i686/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/mmx/libc.so.6
open syscall for file /usr/local/pgi-5.1.3/linux86/5.1/lib/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/tls/i686/mmx/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/tls/i686/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/tls/mmx/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/tls/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/i686/mmx/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/i686/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/mmx/libc.so.6
open syscall for file /usr/local/globus-2.4.3/lib/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
open syscall for file /usr/lib/locale/locale-archive
open syscall for file /usr/lib/gconv/gconv-modules.cache
One traced child (pid=11042) exited with status: 0
One traced child (pid=11040) exited with status: 0
New process pid=11043
execve syscall for /oldhome/oroussel/solvers/minisat+_64-bit_static executable
open syscall for file /dev/null
open syscall for file /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-swath.opb

[startup+10.0034 s]
Raw data (loadavg): 0.79 0.91 0.78 2/56 11043
Raw data (/proc/11039/stat): 11039 (minisat+_script) S 11038 11039 10120 0 -1 0 322 277 0 0 0 0 0 1 21 0 1 0 1736695110 4296704 256 4294967295 134512640 135087896 3221221664 3221220936 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11039/statm): 1049 256 1003 147 0 902 0
[pid=11039] vsize: 4196
Raw data (/proc/11043/stat): 11043 (minisat+_64-bit) R 11039 11039 10120 0 -1 0 36882 0 2 0 761 128 0 0 25 0 1 0 1736695117 130084864 31440 4294967295 134512640 135094434 3221221600 3220111216 134597421 0 0 5 16386 0 0 0 17 1 0 0
Raw data (/proc/11043/statm): 31759 31440 145 145 0 31614 0
[pid=11043] vsize: 127036
Current children cumulated CPU time (s) 8.9
Current children cumulated vsize (Kb) 131232

[startup+20.0041 s]
Raw data (loadavg): 0.90 0.93 0.79 2/56 11043
Raw data (/proc/11039/stat): 11039 (minisat+_script) S 11038 11039 10120 0 -1 0 322 277 0 0 0 0 0 1 21 0 1 0 1736695110 4296704 256 4294967295 134512640 135087896 3221221664 3221220936 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11039/statm): 1049 256 1003 147 0 902 0
[pid=11039] vsize: 4196
Raw data (/proc/11043/stat): 11043 (minisat+_64-bit) R 11039 11039 10120 0 -1 0 71351 0 2 0 1567 240 0 0 25 0 1 0 1736695117 249671680 60636 4294967295 134512640 135094434 3221221600 3220106816 134597418 0 0 5 16386 0 0 0 17 0 0 0
Raw data (/proc/11043/statm): 60955 60636 145 145 0 60810 0
[pid=11043] vsize: 243820
Current children cumulated CPU time (s) 18.08
Current children cumulated vsize (Kb) 248016

[startup+30.0049 s]
Raw data (loadavg): 0.91 0.93 0.79 1/56 11043
Raw data (/proc/11039/stat): 11039 (minisat+_script) S 11038 11039 10120 0 -1 0 322 277 0 0 0 0 0 1 21 0 1 0 1736695110 4296704 256 4294967295 134512640 135087896 3221221664 3221220936 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11039/statm): 1049 256 1003 147 0 902 0
[pid=11039] vsize: 4196
Raw data (/proc/11043/stat): 11043 (minisat+_64-bit) T 11039 11039 10120 0 -1 0 89242 0 2 0 2376 326 0 0 18 0 1 0 1736695117 279769088 67981 4294967295 134512640 135094434 3221221600 3220109820 134870330 0 0 5 16386 3222434794 0 0 17 0 0 0
Raw data (/proc/11043/statm): 68303 67981 145 145 0 68158 0
[pid=11043] vsize: 273212
Current children cumulated CPU time (s) 27.03
Current children cumulated vsize (Kb) 277408

[startup+40.0057 s]
Raw data (loadavg): 0.93 0.94 0.80 2/56 11043
Raw data (/proc/11039/stat): 11039 (minisat+_script) S 11038 11039 10120 0 -1 0 322 277 0 0 0 0 0 1 21 0 1 0 1736695110 4296704 256 4294967295 134512640 135087896 3221221664 3221220936 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11039/statm): 1049 256 1003 147 0 902 0
[pid=11039] vsize: 4196
Raw data (/proc/11043/stat): 11043 (minisat+_64-bit) R 11039 11039 10120 0 -1 0 140282 0 2 0 3191 457 0 0 25 0 1 0 1736695117 488828928 119021 4294967295 134512640 135094434 3221221600 3220114912 134597450 0 0 5 16386 0 0 0 17 0 0 0
Raw data (/proc/11043/statm): 119343 119021 145 145 0 119198 0
[pid=11043] vsize: 477372
Current children cumulated CPU time (s) 36.49
Current children cumulated vsize (Kb) 481568

[startup+50.0075 s]
Raw data (loadavg): 0.94 0.94 0.80 2/56 11043
Raw data (/proc/11039/stat): 11039 (minisat+_script) S 11038 11039 10120 0 -1 0 322 277 0 0 0 0 0 1 21 0 1 0 1736695110 4296704 256 4294967295 134512640 135087896 3221221664 3221220936 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11039/statm): 1049 256 1003 147 0 902 0
[pid=11039] vsize: 4196
Raw data (/proc/11043/stat): 11043 (minisat+_64-bit) R 11039 11039 10120 0 -1 0 157636 0 2 0 4002 541 0 0 22 0 1 0 1736695117 473509888 115284 4294967295 134512640 135094434 3221221600 3220105200 134596987 0 0 5 16386 0 0 0 17 1 0 0
Raw data (/proc/11043/statm): 115603 115284 145 145 0 115458 0
[pid=11043] vsize: 462412
Current children cumulated CPU time (s) 45.44
Current children cumulated vsize (Kb) 466608

[startup+60.0083 s]
Raw data (loadavg): 0.95 0.94 0.80 2/56 11043
Raw data (/proc/11039/stat): 11039 (minisat+_script) S 11038 11039 10120 0 -1 0 322 277 0 0 0 0 0 1 21 0 1 0 1736695110 4296704 256 4294967295 134512640 135087896 3221221664 3221220936 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11039/statm): 1049 256 1003 147 0 902 0
[pid=11039] vsize: 4196
Raw data (/proc/11043/stat): 11043 (minisat+_64-bit) R 11039 11039 10120 0 -1 0 179360 0 2 0 4778 639 0 0 22 0 1 0 1736695117 562532352 137008 4294967295 134512640 135094434 3221221600 3220105376 134596848 0 0 5 16386 0 0 0 17 1 0 0
Raw data (/proc/11043/statm): 137337 137008 145 145 0 137192 0
[pid=11043] vsize: 549348
Current children cumulated CPU time (s) 54.18
Current children cumulated vsize (Kb) 553544



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+66.725 s]
Raw data (loadavg): 0.95 0.94 0.80 1/56 11043
Raw data (/proc/11039/stat): 11039 (minisat+_script) S 11038 11039 10120 0 -1 0 322 277 0 0 0 0 0 1 21 0 1 0 1736695110 4296704 256 4294967295 134512640 135087896 3221221664 3221220936 1074634510 0 65536 5 65538 3222414538 0 0 17 1 0 0
Raw data (/proc/11039/statm): 1049 256 1003 147 0 902 0
[pid=11039] vsize: 4196
Raw data (/proc/11043/stat): 11043 (minisat+_64-bit) T 11039 11039 10120 0 -1 0 193774 0 2 0 5297 703 0 0 22 0 1 0 1736695117 967114752 151422 4294967295 134512640 135094434 3221221600 3220139932 134802701 0 0 5 16386 3222434794 0 0 17 1 0 0
Raw data (/proc/11043/statm): 236112 151422 145 145 0 235967 0
[pid=11043] vsize: 944448
Current children cumulated CPU time (s) 60.01
Current children cumulated vsize (Kb) 948644

Sending SIGTERM to -11039
Sleeping 2 seconds
One traced child (pid=11039) ended because it received signal 15 (SIGTERM)
One traced child (pid=11043) exited with status: 0
All traced children have exited ! Game is over.

Child status: 0
Real time (s): 67.0038
CPU time (s): 60.2798
CPU user time (s): 52.9709
CPU system time (s): 7.30889
CPU usage (%): 89.9648
Max. virtual memory (cumulated for all children) (Kb): 948644



Verifier Data




ERROR: no interpretation found !