Trace number 2682913

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 into four (or five) parts:
  1. 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 ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. 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.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. 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 X seconds (see the parameters in the trace). 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 X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    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.
  5. 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 provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerobjective functionCPU timeWall clock time
PB/CT 0.1 fixedUNSAT 79.8389 79.8594

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-ship04s.opb
MD5SUM74b86287d15008d17990184d72b42ad1
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark1.80172
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables43740
Total number of constraints348
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 constraints348
Minimum length of a constraint30
Maximum length of a constraint1980
Number of terms in the objective function 43740
Biggest coefficient in the objective function 1977295568896000
Number of bits for the biggest coefficient in the objective function 51
Sum of the numbers in the objective function 276588440762806557
Number of bits of the sum of numbers in the objective function 58
Biggest number in a constraint 1977295568896000
Number of bits of the biggest number in a constraint 51
Biggest sum of numbers in a constraint 276588440762806557
Number of bits of the biggest sum of numbers58
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.59/0.63	c constraints 348/0 clauses 0/0 units 111
0.59/0.63	c vars 43740
0.59/0.64	c objective 43639 + 0
75.38/75.43	c 68.9865 862.848 213 2486445
79.67/79.78	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682913-1277487074/watcher-2682913-1277487074 -o /tmp/evaluation-result-2682913-1277487074/solver-2682913-1277487074 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682913-1277487074.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.91 0.98 0.96 3/106 30846
/proc/meminfo: memFree=1853180/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=2416 CPUtime=0
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 292 0 0 0 0 0 0 0 18 0 1 0 90000384 2473984 211 1992294400 134512640 136421960 4288794976 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30846/statm: 604 211 138 467 0 135 0

[startup+0.04479 s]
/proc/loadavg: 0.91 0.98 0.96 3/106 30846
/proc/meminfo: memFree=1853180/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=3136 CPUtime=0.04
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 510 0 0 0 4 0 0 0 18 0 1 0 90000384 3211264 396 1992294400 134512640 136421960 4288794976 18446744073709551615 135830563 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30846/statm: 784 396 138 467 0 315 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3136

[startup+0.101794 s]
/proc/loadavg: 0.91 0.98 0.96 3/106 30846
/proc/meminfo: memFree=1853180/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=6380 CPUtime=0.09
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 1281 0 0 0 9 0 0 0 21 0 1 0 90000384 6533120 956 1992294400 134512640 136421960 4288794976 18446744073709551615 135818268 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30846/statm: 1595 956 138 467 0 1126 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6380

[startup+0.301814 s]
/proc/loadavg: 0.91 0.98 0.96 3/106 30846
/proc/meminfo: memFree=1853180/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=7748 CPUtime=0.29
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 1864 0 0 0 29 0 0 0 21 0 1 0 90000384 7933952 1410 1992294400 134512640 136421960 4288794976 18446744073709551615 135818390 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30846/statm: 1937 1410 145 467 0 1468 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7748

[startup+0.700854 s]
/proc/loadavg: 0.91 0.98 0.96 3/106 30846
/proc/meminfo: memFree=1853180/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=21820 CPUtime=0.69
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 5278 0 0 0 67 2 0 0 22 0 1 0 90000384 22343680 4824 1992294400 134512640 136421960 4288794976 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 5455 4826 194 467 0 4986 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 21820

[startup+1.50093 s]
/proc/loadavg: 0.91 0.98 0.96 2/107 30847
/proc/meminfo: memFree=1807292/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=83640 CPUtime=1.49
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 20901 0 0 0 140 9 0 0 25 0 1 0 90000384 85647360 19803 1992294400 134512640 136421960 4288794976 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 20910 19805 195 467 0 20441 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 83640

[startup+3.10109 s]
/proc/loadavg: 0.91 0.98 0.96 2/107 30847
/proc/meminfo: memFree=1730536/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=201596 CPUtime=3.09
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 51924 0 0 0 286 23 0 0 25 0 1 0 90000384 206434304 49349 1992294400 134512640 136421960 4288794976 18446744073709551615 134632335 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 50399 49349 195 467 0 49930 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 201596

[startup+6.3014 s]
/proc/loadavg: 0.92 0.98 0.96 2/107 30847
/proc/meminfo: memFree=1515148/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=384588 CPUtime=6.29
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 101285 0 0 0 584 45 0 0 25 0 1 0 90000384 393818112 94993 1992294400 134512640 136421960 4288794976 18446744073709551615 135160361 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 96147 94994 195 467 0 95678 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 384588

[startup+12.701 s]
/proc/loadavg: 0.93 0.98 0.96 2/107 30847
/proc/meminfo: memFree=1038120/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=869724 CPUtime=12.68
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 226476 0 0 0 1176 92 0 0 25 0 1 0 90000384 890597376 209513 1992294400 134512640 136421960 4288794976 18446744073709551615 135028183 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 217431 209513 211 467 0 216962 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 869724

[startup+25.5013 s]
/proc/loadavg: 0.94 0.98 0.96 2/107 30847
/proc/meminfo: memFree=1003772/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=880164 CPUtime=25.48
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 228984 0 0 0 2338 210 0 0 25 0 1 0 90000384 901287936 212021 1992294400 134512640 136421960 4288794976 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 220041 212021 216 467 0 219572 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 880164

[startup+51.1018 s]
/proc/loadavg: 0.96 0.98 0.96 2/107 30849
/proc/meminfo: memFree=1001168/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=882760 CPUtime=51.08
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 229562 0 0 0 4665 443 0 0 25 0 1 0 90000384 903946240 212599 1992294400 134512640 136421960 4288794976 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 220690 212599 216 467 0 220221 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 882760

Solver just ended. Dumping a history of the last processes samples

[startup+63.9011 s]
/proc/loadavg: 0.97 0.98 0.96 2/107 30850
/proc/meminfo: memFree=1000300/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=883156 CPUtime=63.87
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 229699 0 0 0 5841 546 0 0 25 0 1 0 90000384 904351744 212736 1992294400 134512640 136421960 4288794976 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 220789 212736 216 467 0 220320 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 883156

[startup+70.3007 s]
/proc/loadavg: 0.97 0.98 0.96 2/107 30852
/proc/meminfo: memFree=1000052/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=883420 CPUtime=70.28
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 229760 0 0 0 6429 599 0 0 25 0 1 0 90000384 904622080 212797 1992294400 134512640 136421960 4288794976 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 220855 212797 216 467 0 220386 0
Current children cumulated CPU time (s) 70.28
Current children cumulated vsize (KiB) 883420

[startup+76.7013 s]
/proc/loadavg: 0.97 0.98 0.96 2/107 30852
/proc/meminfo: memFree=1023240/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=814812 CPUtime=76.68
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 229831 0 0 0 7025 643 0 0 25 0 1 0 90000384 834367488 198946 1992294400 134512640 136421960 4288794976 18446744073709551615 135801268 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 203703 198946 240 467 0 203234 0
Current children cumulated CPU time (s) 76.68
Current children cumulated vsize (KiB) 814812

[startup+78.3005 s]
/proc/loadavg: 0.97 0.98 0.96 2/107 30852
/proc/meminfo: memFree=1055108/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=814812 CPUtime=78.28
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 229831 0 0 0 7185 643 0 0 25 0 1 0 90000384 834367488 198946 1992294400 134512640 136421960 4288794976 18446744073709551615 134701458 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 203703 198946 240 467 0 203234 0
Current children cumulated CPU time (s) 78.28
Current children cumulated vsize (KiB) 814812

[startup+79.1006 s]
/proc/loadavg: 0.98 0.98 0.96 2/107 30852
/proc/meminfo: memFree=1069864/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=795356 CPUtime=79.08
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 229831 0 0 0 7265 643 0 0 25 0 1 0 90000384 814444544 195267 1992294400 134512640 136421960 4288794976 18446744073709551615 134585138 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 198839 195267 240 467 0 198370 0
Current children cumulated CPU time (s) 79.08
Current children cumulated vsize (KiB) 795356

[startup+79.5006 s]
/proc/loadavg: 0.98 0.98 0.96 2/107 30852
/proc/meminfo: memFree=1069864/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=764056 CPUtime=79.47
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 229831 0 0 0 7304 643 0 0 25 0 1 0 90000384 782393344 190484 1992294400 134512640 136421960 4288794976 18446744073709551615 135801307 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 191014 190484 240 467 0 190545 0
Current children cumulated CPU time (s) 79.47
Current children cumulated vsize (KiB) 764056

[startup+79.7006 s]
/proc/loadavg: 0.98 0.98 0.96 2/107 30852
/proc/meminfo: memFree=1069864/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=764056 CPUtime=79.67
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202496 229831 0 0 0 7324 643 0 0 25 0 1 0 90000384 782393344 190484 1992294400 134512640 136421960 4288794976 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30846/statm: 191014 190484 240 467 0 190545 0
Current children cumulated CPU time (s) 79.67
Current children cumulated vsize (KiB) 764056

[startup+79.8006 s]
/proc/loadavg: 0.98 0.98 0.96 2/107 30852
/proc/meminfo: memFree=1069864/2059040 swapFree=4140792/4192956
[pid=30846] ppid=30844 vsize=0 CPUtime=79.77
/proc/30846/stat : 30846 (pbct) R 30844 30846 30067 0 -1 4202500 229832 0 0 0 7332 645 0 0 25 0 1 0 90000384 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/30846/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 79.77
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 79.8594
CPU time (s): 79.8389
CPU user time (s): 73.3259
CPU system time (s): 6.51301
CPU usage (%): 99.9743
Max. virtual memory (cumulated for all children) (KiB): 883552

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 73.3259
system time used= 6.51301
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 229832
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1
involuntary context switches= 72

runsolver used 0.144977 second user time and 0.370943 second system time

The end

Launcher Data 

Begin job on node036 at 2010-06-25 19:31:15
IDJOB=2682913
IDBENCH=2417
IDSOLVER=1192
FILE ID=node036/2682913-1277487074
PBS_JOBID= 11190508
Free space on /tmp= 62376 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-ship04s.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682913-1277487074/watcher-2682913-1277487074 -o /tmp/evaluation-result-2682913-1277487074/solver-2682913-1277487074 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682913-1277487074.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 74b86287d15008d17990184d72b42ad1
RANDOM SEED=381414971

node036.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.251
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.50
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.251
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1853700 kB
Buffers:         28060 kB
Cached:          79116 kB
SwapCached:       5352 kB
Active:          72136 kB
Inactive:        48440 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1853700 kB
SwapTotal:     4192956 kB
SwapFree:      4140792 kB
Dirty:            4496 kB
Writeback:           0 kB
AnonPages:       12056 kB
Mapped:          11956 kB
Slab:            62664 kB
PageTables:       4180 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181512 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62372 MiB
End job on node036 at 2010-06-25 19:32:35