Trace number 459706

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 83.3223 83.3793

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_4.opb
MD5SUMe7bb8414272ccdbf28db7bd22cc751df
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 benchmark17.5603
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 constraint40
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)3070
Sum of products size (including duplicates)6140
Number of different products1535
Sum of products size3070

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/459706-1178658497/instance-459706-1178658497.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 89
0.09/0.14	o 88
0.79/0.81	o 87
5.79/5.87	o 86
64.95/65.03	o 85
83.23/83.37	o 85
83.23/83.37	s OPTIMUM FOUND
83.23/83.37	c Total Run Time					83.2733
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Verifier Data (download as text)

OK	-15

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/459706-1178658497/instance-459706-1178658497.opb

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node9/watcher-459706-1178658497 -o ROOT/results/node9/solver-459706-1178658497 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/459706-1178658497/instance-459706-1178658497.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: 0.85 0.95 0.90 3/77 6097
/proc/meminfo: memFree=1898648/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=1612 CPUtime=0
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 197 0 0 0 0 0 0 0 18 0 1 0 341887249 1650688 179 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135006757 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 403 179 86 219 0 180 0

[startup+0.0521411 s]
/proc/loadavg: 0.85 0.95 0.90 3/77 6097
/proc/meminfo: memFree=1898648/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=2144 CPUtime=0.04
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 375 0 0 0 4 0 0 0 18 0 1 0 341887249 2195456 357 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 536 357 102 219 0 313 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2144

[startup+0.101145 s]
/proc/loadavg: 0.85 0.95 0.90 3/77 6097
/proc/meminfo: memFree=1898648/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=2536 CPUtime=0.09
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 477 0 0 0 9 0 0 0 18 0 1 0 341887249 2596864 459 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 634 459 102 219 0 411 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2536

[startup+0.301167 s]
/proc/loadavg: 0.85 0.95 0.90 3/77 6097
/proc/meminfo: memFree=1898648/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=4204 CPUtime=0.29
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 823 0 0 0 29 0 0 0 20 0 1 0 341887249 4304896 805 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 1051 805 102 219 0 828 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4204

[startup+0.701213 s]
/proc/loadavg: 0.85 0.95 0.90 3/77 6097
/proc/meminfo: memFree=1898648/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=6720 CPUtime=0.69
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 1352 0 0 0 68 1 0 0 24 0 1 0 341887249 6881280 1334 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 1680 1334 102 219 0 1457 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6720

[startup+1.5013 s]
/proc/loadavg: 0.85 0.95 0.90 2/78 6098
/proc/meminfo: memFree=1892304/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=11888 CPUtime=1.49
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 2323 0 0 0 147 2 0 0 25 0 1 0 341887249 12173312 2256 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 2972 2256 102 219 0 2749 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11888

[startup+3.10148 s]
/proc/loadavg: 0.85 0.95 0.90 2/78 6098
/proc/meminfo: memFree=1887952/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=21336 CPUtime=3.09
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 3163 0 0 0 306 3 0 0 25 0 1 0 341887249 21848064 3096 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544783 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 5334 3096 102 219 0 5111 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 21336

[startup+6.30286 s]
/proc/loadavg: 0.86 0.95 0.90 2/78 6098
/proc/meminfo: memFree=1883608/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=22996 CPUtime=6.29
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 3998 0 0 0 625 4 0 0 25 0 1 0 341887249 23547904 3834 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6097/statm: 5749 3834 102 219 0 5526 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 22996

[startup+12.7016 s]
/proc/loadavg: 0.87 0.95 0.90 2/78 6098
/proc/meminfo: memFree=1880792/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=25192 CPUtime=12.68
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 5068 0 0 0 1261 7 0 0 25 0 1 0 341887249 25796608 4711 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 6298 4711 102 219 0 6075 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 25192

[startup+25.502 s]
/proc/loadavg: 0.90 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1875160/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=26324 CPUtime=25.48
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 6408 0 0 0 2537 11 0 0 25 0 1 0 341887249 26955776 6051 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544738 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 6581 6051 102 219 0 6358 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 26324

[startup+51.1019 s]
/proc/loadavg: 0.93 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1869208/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=46128 CPUtime=51.05
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 8172 0 0 0 5089 16 0 0 25 0 1 0 341887249 47235072 7430 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544738 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6097/statm: 11532 7430 102 219 0 11309 0
Current children cumulated CPU time (s) 51.05
Current children cumulated vsize (KiB) 46128

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

[startup+63.9014 s]
/proc/loadavg: 0.95 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1868184/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=46452 CPUtime=63.85
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 8420 0 0 0 6366 19 0 0 25 0 1 0 341887249 47566848 7678 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 11613 7678 102 219 0 11390 0
Current children cumulated CPU time (s) 63.85
Current children cumulated vsize (KiB) 46452

[startup+76.7018 s]
/proc/loadavg: 0.95 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1862040/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=50536 CPUtime=76.65
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 10740 0 0 0 7643 22 0 0 25 0 1 0 341887249 51748864 9229 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544667 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 12634 9229 102 219 0 12411 0
Current children cumulated CPU time (s) 76.65
Current children cumulated vsize (KiB) 50536

[startup+79.9012 s]
/proc/loadavg: 0.96 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1861464/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=51064 CPUtime=79.84
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 10863 0 0 0 7962 22 0 0 25 0 1 0 341887249 52289536 9352 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544667 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6097/statm: 12766 9352 102 219 0 12543 0
Current children cumulated CPU time (s) 79.84
Current children cumulated vsize (KiB) 51064

[startup+81.5014 s]
/proc/loadavg: 0.96 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1861208/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=51196 CPUtime=81.43
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 10894 0 0 0 8121 22 0 0 25 0 1 0 341887249 52424704 9383 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134545659 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 12799 9383 102 219 0 12576 0
Current children cumulated CPU time (s) 81.43
Current children cumulated vsize (KiB) 51196

[startup+82.3014 s]
/proc/loadavg: 0.96 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1861208/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=51328 CPUtime=82.23
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 10920 0 0 0 8201 22 0 0 25 0 1 0 341887249 52559872 9409 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134597531 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 12832 9409 102 219 0 12609 0
Current children cumulated CPU time (s) 82.23
Current children cumulated vsize (KiB) 51328

[startup+83.1015 s]
/proc/loadavg: 0.96 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1861080/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=51460 CPUtime=83.03
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 10945 0 0 0 8281 22 0 0 25 0 1 0 341887249 52695040 9434 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544685 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 12865 9434 102 219 0 12642 0
Current children cumulated CPU time (s) 83.03
Current children cumulated vsize (KiB) 51460

[startup+83.3016 s]
/proc/loadavg: 0.96 0.96 0.91 2/78 6098
/proc/meminfo: memFree=1861080/2055920 swapFree=4145464/4192956
[pid=6097] ppid=6095 vsize=51460 CPUtime=83.23
/proc/6097/stat : 6097 (PBS4_SAT07v2) R 6095 6097 4561 0 -1 4194304 10945 0 0 0 8301 22 0 0 25 0 1 0 341887249 52695040 9434 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544685 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6097/statm: 12865 9434 102 219 0 12642 0
Current children cumulated CPU time (s) 83.23
Current children cumulated vsize (KiB) 51460

Child status: 0
Real time (s): 83.3793
CPU time (s): 83.3223
CPU user time (s): 83.0854
CPU system time (s): 0.236963
CPU usage (%): 99.9317
Max. virtual memory (cumulated for all children) (KiB): 51460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 83.0854
system time used= 0.236963
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10953
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= 7
involuntary context switches= 2157

runsolver used 0.092985 second user time and 0.214967 second system time

The end

Launcher Data (download as text)

Begin job on node9 on Tue May  8 21:08:17 UTC 2007

IDJOB= 459706
IDBENCH= 48167
IDSOLVER= 200
FILE ID= node9/459706-1178658497

PBS_JOBID= 5217835

Free space on /tmp= 66562 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_4.opb
COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/459706-1178658497/instance-459706-1178658497.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node9/convwatcher-459706-1178658497 -o ROOT/results/node9/conversion-459706-1178658497 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/459706-1178658497/instance-459706-1178658497.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-459706-1178658497 -o ROOT/results/node9/solver-459706-1178658497 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/459706-1178658497/instance-459706-1178658497.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  e7bb8414272ccdbf28db7bd22cc751df

RANDOM SEED= 742203664

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node9.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		: 3000.221
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		: 3000.221
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:       1899056 kB
Buffers:         26356 kB
Cached:          43896 kB
SwapCached:      15360 kB
Active:          54312 kB
Inactive:        39132 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1899056 kB
SwapTotal:     4192956 kB
SwapFree:      4145464 kB
Dirty:            2544 kB
Writeback:           0 kB
Mapped:          30328 kB
Slab:            48924 kB
Committed_AS:  8878584 kB
PageTables:       1788 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= 66562 MiB

End job on node9 on Tue May  8 21:09:40 UTC 2007