Trace number 454269

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, and are wall clock time (not CPU 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
PBS4 2007-03-23OPT-15 82.0765 82.0998

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_1.opb
MD5SUM009ec87aa7f9a2a2aeb136cc6734ca0d
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-15
Best CPU time to get the best result obtained on this benchmark13.075
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -15
Optimality of the best value was proved YES
Number of variables100
Total number of constraints100
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 constraints100
Minimum length of a constraint25
Maximum length of a constraint43
Number of terms in the objective function 100
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 100
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)3038
Sum of products size (including duplicates)6076
Number of different products1519
Sum of products size3038

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data (download as text)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/454269-1178023565/instance-454269-1178023565.opb ......
0.01/0.04	c done parsing opb.
0.01/0.04	o 92
0.01/0.04	o 91
0.01/0.04	o 90
0.01/0.04	o 88
0.09/0.12	o 87
0.59/0.64	o 86
38.08/38.19	o 85
81.97/82.09	o 85
81.97/82.09	s OPTIMUM FOUND
81.97/82.09	c Total Run Time					82.0275
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Verifier Data (download as text)

OK	-15

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/454269-1178023565/instance-454269-1178023565.opb

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node17/watcher-454269-1178023565 -o ROOT/results/node17/solver-454269-1178023565 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/454269-1178023565/PBS4 /tmp/evaluation/454269-1178023565/instance-454269-1178023565.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 14637
/proc/meminfo: memFree=1804480/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=1608 CPUtime=0
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 194 0 0 0 0 0 0 0 18 0 1 0 250274039 1646592 177 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134529224 0 0 4096 0 0 0 0 17 1 0 0
/proc/14637/statm: 402 177 87 219 0 179 0

[startup+0.0213751 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 14637
/proc/meminfo: memFree=1804480/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=2008 CPUtime=0.01
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 289 0 0 0 1 0 0 0 18 0 1 0 250274039 2056192 272 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134590670 0 0 4096 0 0 0 0 17 1 0 0
/proc/14637/statm: 502 272 87 219 0 279 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2008

[startup+0.101383 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 14637
/proc/meminfo: memFree=1804480/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=2392 CPUtime=0.09
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 449 0 0 0 9 0 0 0 18 0 1 0 250274039 2449408 432 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 598 432 103 219 0 375 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2392

[startup+0.301404 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 14637
/proc/meminfo: memFree=1804480/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=4064 CPUtime=0.29
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 748 0 0 0 29 0 0 0 20 0 1 0 250274039 4161536 731 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 1016 731 103 219 0 793 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4064

[startup+0.701446 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 14637
/proc/meminfo: memFree=1804480/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=6712 CPUtime=0.69
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 1213 0 0 0 69 0 0 0 24 0 1 0 250274039 6873088 1196 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 1678 1196 103 219 0 1455 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6712

[startup+1.50153 s]
/proc/loadavg: 0.91 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1798584/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=11852 CPUtime=1.49
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 2016 0 0 0 148 1 0 0 25 0 1 0 250274039 12136448 1950 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 2963 1950 104 219 0 2740 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11852

[startup+3.1017 s]
/proc/loadavg: 0.91 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1795192/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=12800 CPUtime=3.09
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 2884 0 0 0 307 2 0 0 25 0 1 0 250274039 13107200 2818 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 3200 2818 104 219 0 2977 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12800

[startup+6.30103 s]
/proc/loadavg: 0.92 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1791104/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=22516 CPUtime=6.29
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 3800 0 0 0 625 4 0 0 25 0 1 0 250274039 23056384 3637 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 5629 3637 104 219 0 5406 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 22516

[startup+12.7017 s]
/proc/loadavg: 0.93 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1786368/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=24576 CPUtime=12.69
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 4931 0 0 0 1263 6 0 0 25 0 1 0 250274039 25165824 4575 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134552715 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 6144 4575 104 219 0 5921 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 24576

[startup+25.501 s]
/proc/loadavg: 0.94 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1781120/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=26188 CPUtime=25.49
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 6230 0 0 0 2540 9 0 0 25 0 1 0 250274039 26816512 5874 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134552715 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 6547 5874 104 219 0 6324 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 26188

[startup+51.1017 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1775936/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=45660 CPUtime=51.08
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 7901 0 0 0 5093 15 0 0 25 0 1 0 250274039 46755840 7160 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 11415 7160 104 219 0 11192 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 45660

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

[startup+63.901 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1774848/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=46164 CPUtime=63.88
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 8159 0 0 0 6370 18 0 0 25 0 1 0 250274039 47271936 7418 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134561207 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 11541 7418 104 219 0 11318 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 46164

[startup+70.3017 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1774336/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=46332 CPUtime=70.27
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 8298 0 0 0 7008 19 0 0 25 0 1 0 250274039 47443968 7557 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 11583 7557 104 219 0 11360 0
Current children cumulated CPU time (s) 70.27
Current children cumulated vsize (KiB) 46332

[startup+76.7014 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1773184/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=49776 CPUtime=76.67
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 9585 0 0 0 7645 22 0 0 25 0 1 0 250274039 50970624 8075 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 12444 8075 104 219 0 12221 0
Current children cumulated CPU time (s) 76.67
Current children cumulated vsize (KiB) 49776

[startup+79.9017 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1772032/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=50160 CPUtime=79.87
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 9673 0 0 0 7965 22 0 0 25 0 1 0 250274039 51363840 8163 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134552810 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 12540 8163 104 219 0 12317 0
Current children cumulated CPU time (s) 79.87
Current children cumulated vsize (KiB) 50160

[startup+80.7018 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1771840/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=50352 CPUtime=80.67
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 9707 0 0 0 8045 22 0 0 25 0 1 0 250274039 51560448 8197 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 12588 8197 104 219 0 12365 0
Current children cumulated CPU time (s) 80.67
Current children cumulated vsize (KiB) 50352

[startup+81.5019 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1771712/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=50352 CPUtime=81.47
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 9730 0 0 0 8125 22 0 0 25 0 1 0 250274039 51560448 8220 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 12588 8220 104 219 0 12365 0
Current children cumulated CPU time (s) 81.47
Current children cumulated vsize (KiB) 50352

[startup+81.9019 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1771712/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=50544 CPUtime=81.87
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 9753 0 0 0 8165 22 0 0 25 0 1 0 250274039 51757056 8243 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 12636 8243 104 219 0 12413 0
Current children cumulated CPU time (s) 81.87
Current children cumulated vsize (KiB) 50544

[startup+82.0019 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 14638
/proc/meminfo: memFree=1771712/2055920 swapFree=4140116/4192956
[pid=14637] ppid=14635 vsize=50544 CPUtime=81.97
/proc/14637/stat : 14637 (PBS4) R 14635 14637 14108 0 -1 4194304 9757 0 0 0 8175 22 0 0 25 0 1 0 250274039 51757056 8247 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547087 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14637/statm: 12636 8247 104 219 0 12413 0
Current children cumulated CPU time (s) 81.97
Current children cumulated vsize (KiB) 50544

Child status: 0
Real time (s): 82.0998
CPU time (s): 82.0765
CPU user time (s): 81.8426
CPU system time (s): 0.233964
CPU usage (%): 99.9717
Max. virtual memory (cumulated for all children) (KiB): 50544

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 81.8426
system time used= 0.233964
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9767
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= 9
involuntary context switches= 96

runsolver used 0.06199 second user time and 0.19597 second system time

The end

Launcher Data (download as text)

Begin job on node17 on Tue May  1 12:46:05 UTC 2007

IDJOB= 454269
IDBENCH= 48186
IDSOLVER= 157
FILE ID= node17/454269-1178023565

PBS_JOBID= 4728332

Free space on /tmp= 66563 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_1.opb
COMMAND LINE= /tmp/evaluation/454269-1178023565/PBS4 /tmp/evaluation/454269-1178023565/instance-454269-1178023565.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node17/convwatcher-454269-1178023565 -o ROOT/results/node17/conversion-454269-1178023565 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/454269-1178023565/instance-454269-1178023565.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node17/watcher-454269-1178023565 -o ROOT/results/node17/solver-454269-1178023565 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/454269-1178023565/PBS4 /tmp/evaluation/454269-1178023565/instance-454269-1178023565.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  009ec87aa7f9a2a2aeb136cc6734ca0d

RANDOM SEED= 640028350

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node17.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.240
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.240
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1804952 kB
Buffers:         32124 kB
Cached:         136460 kB
SwapCached:      15016 kB
Active:          63648 kB
Inactive:       129172 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1804952 kB
SwapTotal:     4192956 kB
SwapFree:      4140116 kB
Dirty:            1412 kB
Writeback:           0 kB
Mapped:          31308 kB
Slab:            43724 kB
Committed_AS:  7417160 kB
PageTables:       1800 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66563 MiB

End job on node17 on Tue May  1 12:47:27 UTC 2007