Trace number 459725

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_v2 2007-03-23OPT-15 82.1045 82.1269

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/459725-1178658855/instance-459725-1178658855.opb ......
0.00/0.04	c done parsing opb.
0.00/0.04	o 92
0.00/0.04	o 91
0.00/0.04	o 90
0.00/0.04	o 88
0.09/0.12	o 87
0.59/0.63	o 86
38.18/38.23	o 85
82.07/82.11	o 85
82.07/82.11	s OPTIMUM FOUND
82.07/82.11	c Total Run Time					82.0555
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Verifier Data (download as text)

OK	-15

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/459725-1178658855/instance-459725-1178658855.opb

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node44/watcher-459725-1178658855 -o ROOT/results/node44/solver-459725-1178658855 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/459725-1178658855/instance-459725-1178658855.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: 1.00 1.00 1.00 3/77 22343
/proc/meminfo: memFree=1859216/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=1608 CPUtime=0
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 194 0 0 0 0 0 0 0 18 0 1 0 313797213 1646592 176 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134795347 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 402 176 86 219 0 179 0

[startup+0.077436 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 22343
/proc/meminfo: memFree=1859216/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=2392 CPUtime=0.07
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 410 0 0 0 7 0 0 0 18 0 1 0 313797213 2449408 392 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 598 392 102 219 0 375 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2392

[startup+0.101439 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 22343
/proc/meminfo: memFree=1859216/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=2528 CPUtime=0.09
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 463 0 0 0 9 0 0 0 18 0 1 0 313797213 2588672 445 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 632 445 102 219 0 409 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2528

[startup+0.301459 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 22343
/proc/meminfo: memFree=1859216/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=4064 CPUtime=0.29
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 755 0 0 0 29 0 0 0 20 0 1 0 313797213 4161536 737 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 1016 737 102 219 0 793 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4064

[startup+0.7015 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 22343
/proc/meminfo: memFree=1859216/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=6712 CPUtime=0.69
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 1225 0 0 0 68 1 0 0 24 0 1 0 313797213 6873088 1207 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 1678 1207 102 219 0 1455 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6712

[startup+1.50158 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 22344
/proc/meminfo: memFree=1853384/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=11852 CPUtime=1.49
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 2016 0 0 0 148 1 0 0 25 0 1 0 313797213 12136448 1949 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 2963 1949 102 219 0 2740 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11852

[startup+3.10175 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 22344
/proc/meminfo: memFree=1849800/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=12800 CPUtime=3.09
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 2905 0 0 0 307 2 0 0 25 0 1 0 313797213 13107200 2838 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 3200 2838 102 219 0 2977 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12800

[startup+6.30107 s]
/proc/loadavg: 1.08 1.02 1.01 2/78 22344
/proc/meminfo: memFree=1845704/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=22516 CPUtime=6.29
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 3800 0 0 0 625 4 0 0 25 0 1 0 313797213 23056384 3636 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 5629 3636 102 219 0 5406 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 22516

[startup+12.7017 s]
/proc/loadavg: 1.07 1.02 1.00 2/78 22344
/proc/meminfo: memFree=1840968/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=24576 CPUtime=12.69
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 4929 0 0 0 1262 7 0 0 25 0 1 0 313797213 25165824 4572 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 6144 4572 102 219 0 5921 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 24576

[startup+25.5011 s]
/proc/loadavg: 1.06 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1835720/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=26188 CPUtime=25.48
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 6229 0 0 0 2538 10 0 0 25 0 1 0 313797213 26816512 5872 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 6547 5872 102 219 0 6324 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 26188

[startup+51.1017 s]
/proc/loadavg: 1.04 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1830664/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=45660 CPUtime=51.07
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 7900 0 0 0 5090 17 0 0 25 0 1 0 313797213 46755840 7158 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134548931 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 11415 7158 102 219 0 11192 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 45660

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

[startup+63.902 s]
/proc/loadavg: 1.03 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1829576/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=46164 CPUtime=63.88
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 8157 0 0 0 6367 21 0 0 25 0 1 0 313797213 47271936 7415 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544685 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 11541 7415 102 219 0 11318 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 46164

[startup+70.3017 s]
/proc/loadavg: 1.02 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1829064/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=46332 CPUtime=70.28
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 8282 0 0 0 7006 22 0 0 25 0 1 0 313797213 47443968 7540 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 11583 7540 102 219 0 11360 0
Current children cumulated CPU time (s) 70.28
Current children cumulated vsize (KiB) 46332

[startup+76.7013 s]
/proc/loadavg: 1.02 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1827848/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=49776 CPUtime=76.68
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 9573 0 0 0 7643 25 0 0 25 0 1 0 313797213 50970624 8062 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544685 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 12444 8062 102 219 0 12221 0
Current children cumulated CPU time (s) 76.68
Current children cumulated vsize (KiB) 49776

[startup+79.9016 s]
/proc/loadavg: 1.02 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1826632/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=50160 CPUtime=79.87
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 9672 0 0 0 7962 25 0 0 25 0 1 0 313797213 51363840 8161 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544667 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 12540 8161 102 219 0 12317 0
Current children cumulated CPU time (s) 79.87
Current children cumulated vsize (KiB) 50160

[startup+81.5018 s]
/proc/loadavg: 1.02 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1826312/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=50352 CPUtime=81.47
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 9728 0 0 0 8121 26 0 0 25 0 1 0 313797213 51560448 8217 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134556975 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 12588 8217 102 219 0 12365 0
Current children cumulated CPU time (s) 81.47
Current children cumulated vsize (KiB) 50352

[startup+81.9019 s]
/proc/loadavg: 1.02 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1826312/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=50352 CPUtime=81.87
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 9742 0 0 0 8161 26 0 0 25 0 1 0 313797213 51560448 8231 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544667 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 12588 8231 102 219 0 12365 0
Current children cumulated CPU time (s) 81.87
Current children cumulated vsize (KiB) 50352

[startup+82.1019 s]
/proc/loadavg: 1.02 1.01 1.00 2/78 22344
/proc/meminfo: memFree=1826312/2055920 swapFree=4155964/4192956
[pid=22343] ppid=22341 vsize=50544 CPUtime=82.07
/proc/22343/stat : 22343 (PBS4_SAT07v2) R 22341 22343 21545 0 -1 4194304 9758 0 0 0 8181 26 0 0 25 0 1 0 313797213 51757056 8247 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544685 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22343/statm: 12636 8247 102 219 0 12413 0
Current children cumulated CPU time (s) 82.07
Current children cumulated vsize (KiB) 50544

Child status: 0
Real time (s): 82.1269
CPU time (s): 82.1045
CPU user time (s): 81.8376
CPU system time (s): 0.266959
CPU usage (%): 99.9727
Max. virtual memory (cumulated for all children) (KiB): 50544

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 81.8376
system time used= 0.266959
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9766
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= 1731

runsolver used 0.06499 second user time and 0.19397 second system time

The end

Launcher Data (download as text)

Begin job on node44 on Tue May  8 21:14:15 UTC 2007

IDJOB= 459725
IDBENCH= 48186
IDSOLVER= 200
FILE ID= node44/459725-1178658855

PBS_JOBID= 5218420

Free space on /tmp= 66558 MiB

SOLVER NAME= PBS4_v2 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= PBS4_SAT07v2 /tmp/evaluation/459725-1178658855/instance-459725-1178658855.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node44/convwatcher-459725-1178658855 -o ROOT/results/node44/conversion-459725-1178658855 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/459725-1178658855/instance-459725-1178658855.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node44/watcher-459725-1178658855 -o ROOT/results/node44/solver-459725-1178658855 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/459725-1178658855/instance-459725-1178658855.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  009ec87aa7f9a2a2aeb136cc6734ca0d

RANDOM SEED= 413449561

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node44.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		: 3000.234
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		: 3000.234
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:       1859688 kB
Buffers:         23432 kB
Cached:          77276 kB
SwapCached:      12512 kB
Active:          66300 kB
Inactive:        57284 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1859688 kB
SwapTotal:     4192956 kB
SwapFree:      4155964 kB
Dirty:            2368 kB
Writeback:           0 kB
Mapped:          31384 kB
Slab:            58176 kB
Committed_AS:  4600896 kB
PageTables:       1736 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= 66558 MiB

End job on node44 on Tue May  8 21:15:37 UTC 2007