Trace number 2695872

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_cplex 2010-06-29OPT525 26.7209 26.7326

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/primes-dimacs-cnf/normalized-ii8c2.opb
MD5SUM86a5a0860b111dc876591f0b93da0f3c
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark525
Best CPU time to get the best result obtained on this benchmark26.7209
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 525
Optimality of the best value was proved NO
Number of variables1900
Total number of constraints7639
Number of constraints which are clauses7639
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint10
Number of terms in the objective function 1900
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 1900
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1900
Number of bits of the biggest sum of numbers11
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_cplex 1.0 - 20100701
0.00/0.00	c Parsing opb file format. File HOME/instance-2695872-1278018091.opb.
0.00/0.00	c Instance file HOME/instance-2695872-1278018091.opb
0.00/0.00	c File size is 210046 bytes.
0.00/0.90	c Highest Coefficient sum: 11
0.00/0.90	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.91	c ============================[ Problem Statistics ]=============================
0.00/0.91	c |                                                                             |
0.00/0.91	c |  Parsing time:          0.90         s                                      |
0.00/0.91	c |  Number Variables:      1900                                                |
0.00/0.91	c |  Number Constraints:    7639                                                |
0.00/0.91	c ===============================================================================
26.68/26.72	c Remaining time 1799.10 sec.
26.68/26.72	s OPTIMUM FOUND
26.68/26.72	c Solution value = 525.00
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26.68/26.72	c Total CPU time              : 26.59 s

Verifier Data

OK	525

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2695872-1278018091/watcher-2695872-1278018091 -o /tmp/evaluation-result-2695872-1278018091/solver-2695872-1278018091 -C 1800 -W 2000 -M 1800 run HOME/instance-2695872-1278018091.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: 1.29 1.08 1.02 3/105 31147
/proc/meminfo: memFree=1665808/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0

[startup+0.0642861 s]
/proc/loadavg: 1.29 1.08 1.02 3/105 31147
/proc/meminfo: memFree=1665808/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.10129 s]
/proc/loadavg: 1.29 1.08 1.02 3/105 31147
/proc/meminfo: memFree=1665808/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.301312 s]
/proc/loadavg: 1.29 1.08 1.02 3/105 31147
/proc/meminfo: memFree=1665808/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.701354 s]
/proc/loadavg: 1.29 1.08 1.02 3/105 31147
/proc/meminfo: memFree=1665808/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50144 s]
/proc/loadavg: 1.29 1.08 1.02 2/107 31149
/proc/meminfo: memFree=1659592/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
[pid=31148] ppid=31147 vsize=35708 CPUtime=1.48
/proc/31148/stat : 31148 (pb_cplex) R 31147 31147 30937 0 -1 4202496 5242 0 0 0 146 2 0 0 25 0 1 0 143102836 36564992 4234 1992294400 134512640 146736320 4293216848 18446744073709551615 137316167 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31148/statm: 8927 4234 978 2985 0 5469 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 44408

[startup+3.10162 s]
/proc/loadavg: 1.29 1.08 1.02 2/107 31149
/proc/meminfo: memFree=1648556/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
[pid=31148] ppid=31147 vsize=39328 CPUtime=3.08
/proc/31148/stat : 31148 (pb_cplex) R 31147 31147 30937 0 -1 4202496 9101 0 0 0 305 3 0 0 25 0 1 0 143102836 40271872 5260 1992294400 134512640 146736320 4293216848 18446744073709551615 136017481 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31148/statm: 9832 5260 1011 2985 0 6374 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 48028

[startup+6.30098 s]
/proc/loadavg: 1.27 1.07 1.02 2/107 31149
/proc/meminfo: memFree=1647564/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
[pid=31148] ppid=31147 vsize=39328 CPUtime=6.28
/proc/31148/stat : 31148 (pb_cplex) R 31147 31147 30937 0 -1 4202496 9106 0 0 0 625 3 0 0 25 0 1 0 143102836 40271872 5265 1992294400 134512640 146736320 4293216848 18446744073709551615 136015547 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31148/statm: 9832 5265 1011 2985 0 6374 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 48028

[startup+12.7007 s]
/proc/loadavg: 1.25 1.07 1.02 2/107 31149
/proc/meminfo: memFree=1645084/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
[pid=31148] ppid=31147 vsize=40340 CPUtime=12.68
/proc/31148/stat : 31148 (pb_cplex) R 31147 31147 30937 0 -1 4202496 13580 0 0 0 1263 5 0 0 25 0 1 0 143102836 41308160 5813 1992294400 134512640 146736320 4293216848 18446744073709551615 136403114 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31148/statm: 10085 5813 1013 2985 0 6627 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 49040

[startup+25.5011 s]
/proc/loadavg: 1.19 1.07 1.02 2/108 31150
/proc/meminfo: memFree=1634164/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
[pid=31148] ppid=31147 vsize=67176 CPUtime=25.47
/proc/31148/stat : 31148 (pb_cplex) R 31147 31147 30937 0 -1 4202496 29093 0 0 0 2536 11 0 0 20 0 2 0 143102836 68788224 8742 1992294400 134512640 146736320 4293216848 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/31148/statm: 16794 8742 1046 2985 0 13336 0
[pid=31148/tid=31150] ppid=31147 vsize=67176 CPUtime=0
/proc/31148/task/31150/stat : 31150 (pb_cplex) S 31147 31147 30937 0 -1 4202560 6 0 0 0 0 0 0 0 25 0 2 0 143105224 68788224 8742 1992294400 134512640 146736320 4293216848 18446744073709551615 144580073 0 2 4096 16387 18446604436668540032 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 75876

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

[startup+26.3012 s]
/proc/loadavg: 1.19 1.07 1.02 2/108 31150
/proc/meminfo: memFree=1634164/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
[pid=31148] ppid=31147 vsize=67176 CPUtime=26.29
/proc/31148/stat : 31148 (pb_cplex) R 31147 31147 30937 0 -1 4202496 29094 0 0 0 2617 12 0 0 22 0 2 0 143102836 68788224 8743 1992294400 134512640 146736320 4293216848 18446744073709551615 136403112 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/31148/statm: 16794 8743 1046 2985 0 13336 0
[pid=31148/tid=31150] ppid=31147 vsize=67176 CPUtime=0
/proc/31148/task/31150/stat : 31150 (pb_cplex) S 31147 31147 30937 0 -1 4202560 6 0 0 0 0 0 0 0 25 0 2 0 143105224 68788224 8743 1992294400 134512640 146736320 4293216848 18446744073709551615 144580073 0 2 4096 16387 18446604436668540032 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 26.29
Current children cumulated vsize (KiB) 75876

[startup+26.7012 s]
/proc/loadavg: 1.19 1.07 1.02 2/108 31150
/proc/meminfo: memFree=1634164/2059040 swapFree=4136052/4192956
[pid=31147] ppid=31145 vsize=8700 CPUtime=0
/proc/31147/stat : 31147 (run) S 31145 31147 30937 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 143102835 8908800 248 1992294400 4194304 4922060 140736584289552 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/31147/statm: 2175 248 208 178 0 68 0
[pid=31148] ppid=31147 vsize=67176 CPUtime=26.68
/proc/31148/stat : 31148 (pb_cplex) R 31147 31147 30937 0 -1 4202496 29094 0 0 0 2656 12 0 0 24 0 2 0 143102836 68788224 8743 1992294400 134512640 146736320 4293216848 18446744073709551615 136384895 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/31148/statm: 16794 8743 1046 2985 0 13336 0
[pid=31148/tid=31150] ppid=31147 vsize=67176 CPUtime=0
/proc/31148/task/31150/stat : 31150 (pb_cplex) S 31147 31147 30937 0 -1 4202560 6 0 0 0 0 0 0 0 25 0 2 0 143105224 68788224 8743 1992294400 134512640 146736320 4293216848 18446744073709551615 144580073 0 2 4096 16387 18446604436668540032 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 26.68
Current children cumulated vsize (KiB) 75876

Child status: 0
Real time (s): 26.7326
CPU time (s): 26.7209
CPU user time (s): 26.593
CPU system time (s): 0.12798
CPU usage (%): 99.9563
Max. virtual memory (cumulated for all children) (KiB): 75876

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.593
system time used= 0.12798
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 29492
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= 50
involuntary context switches= 402

runsolver used 0.050992 second user time and 0.13098 second system time

The end

Launcher Data

Begin job on node086 at 2010-07-01 23:01:31
IDJOB=2695872
IDBENCH=2081
IDSOLVER=1209
FILE ID=node086/2695872-1278018091
PBS_JOBID= 11198701
Free space on /tmp= 62180 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-ii8c2.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2695872-1278018091/watcher-2695872-1278018091 -o /tmp/evaluation-result-2695872-1278018091/solver-2695872-1278018091 -C 1800 -W 2000 -M 1800  run HOME/instance-2695872-1278018091.opb

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

MD5SUM BENCH= 86a5a0860b111dc876591f0b93da0f3c
RANDOM SEED=1309699256

node086.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		: 3000.244
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	: 6000.48
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		: 3000.244
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	: 5999.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1666336 kB
Buffers:         73724 kB
Cached:         214372 kB
SwapCached:      10276 kB
Active:         103132 kB
Inactive:       198512 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1666336 kB
SwapTotal:     4192956 kB
SwapFree:      4136052 kB
Dirty:           16744 kB
Writeback:          68 kB
AnonPages:       12004 kB
Mapped:           8388 kB
Slab:            69284 kB
PageTables:       4140 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183196 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= 62164 MiB
End job on node086 at 2010-07-01 23:01:58