Trace number 453265

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
PB-clasp 2007-03-23Wrong Cert. 10.0645 10.4104

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_1.opb
MD5SUM3c8b2b83a32c4c8e761f030b6789f3c6
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.38694
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables50
Total number of constraints50
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 constraints50
Minimum length of a constraint26
Maximum length of a constraint38
Number of terms in the objective function 50
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 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)1498
Sum of products size (including duplicates)2996
Number of different products1498
Sum of products size2996

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)

0.24/0.45	o 49
0.44/0.65	o 48
0.64/0.90	o 47
0.96/1.10	o 46
1.08/1.30	o 45
1.28/1.50	o 44
1.49/1.70	o 43
1.68/1.90	o 42
1.99/2.15	o 41
2.07/2.36	o 40
2.27/2.56	o 39
2.47/2.76	o 38
2.67/2.97	o 37
2.99/3.26	o 36
3.07/3.47	o 35
3.27/3.67	o 34
3.48/3.88	o 33
3.67/4.08	o 32
3.89/4.29	o 31
4.08/4.49	o 30
4.48/4.70	o 29
4.49/4.90	o 28
4.68/5.11	o 27
4.90/5.32	o 26
5.27/5.52	o 25
5.31/5.73	o 24
5.52/5.94	o 23
5.73/6.14	o 22
5.93/6.35	o 21
6.25/6.55	o 20
6.33/6.76	o 19
6.52/6.96	o 18
6.72/7.16	o 17
6.94/7.37	o 16
7.15/7.57	o 15
7.45/7.77	o 14
7.54/7.97	o 13
7.74/8.17	o 12
7.93/8.37	o 11
8.14/8.57	o 10
8.43/8.77	o 9
8.53/8.97	o 8
8.73/9.17	o 7
8.92/9.45	o 6
9.10/9.65	o 5
9.44/9.84	o 4
9.50/10.04	o 3
9.69/10.40	s OPTIMUM FOUND
9.69/10.40	v x1 x2 x3 x152 x153 x185 x186 x222 x223 x224 x256 x289 x290 x322 x323 x351 x352 x385 x386 x418 x419 x449 x450 x451 x480 x481 x482
9.69/10.40	v x514 x515 x516 x548 x549 x577 x578 x608 x609 x610 x640 x641 x673 x674 x702 x733 x734 x735 x764 x796 x797 x827 x828 x857 x858 x889
9.69/10.40	v x890 x891 x923 x924 x952 x981 x982 x983 x1009 x1010 x1011 x1036 x1037 x1065 x1066 x1067 x1095 x1125 x1126 x1152 x1179 x1180
9.69/10.40	v x1181 x1206 x1207 x1233 x1259 x1285 x1286 x1313 x1314 x1340 x1341 x1342 x1367 x1368 x1369 x1395 x1421 x1447 x1448 x1449 x1473
9.69/10.40	v x1499 x1500 x1524 x1525

Verifier Data (download as text)

FAILED
ERROR: unsatisfied constraint on line 0
	0>=1

Falsified constraint is:
+1*x2[=1]*~x4[=0]+1*x3[=1]*~x4[=0]+1*~x4[=0]*x40[=0]+1*~x4[=0]*x13[=0]+1*~x4[=0]*x27[=0]+1*~x4[=0]*x37[=0]+1*~x4[=0]*x45[=0]+1*~x4[=0]*x46[=0]+1*~x4[=0]*x21[=0]+1*~x4[=0]*x35[=0]+1*~x4[=0]*x29[=0]+1*~x4[=0]*x18[=0]+1*~x4[=0]*x48[=0]+1*~x4[=0]*x43[=0]+1*~x4[=0]*x7[=0]+1*~x4[=0]*x31[=0]+1*~x4[=0]*x42[=0]+1*~x4[=0]*x16[=0]+1*~x4[=0]*x20[=0]+1*~x4[=0]*x41[=0]+1*~x4[=0]*x30[=0]+1*~x4[=0]*x32[=0]+1*~x4[=0]*x22[=0]+1*~x4[=0]*x26[=0]+1*~x4[=0]*x10[=0]+1*~x4[=0]*x5[=0]+1*~x4[=0]*x14[=0]+1*~x4[=0]*x15[=0]+1*~x4[=0]*x24[=0]+1*~x4[=0]*x25[=0]+1*~x4[=0]*x33[=0]+1*~x4[=0]*x36[=0]+1*~x4[=0]*x50[=0]+1*x4[=0] >= 1

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/453265-1178126871/instance-453265-1178126871.opb

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node15/watcher-453265-1178126871 -o ROOT/results/node15/solver-453265-1178126871 -C 1800 -W 3600 -M 1800 --output-limit 1,15 pbclasp instance-453265-1178126871.opb /tmp/evaluation/453265-1178126871/temp 

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: 0.99 0.99 0.99 3/77 2255
/proc/meminfo: memFree=1717736/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12268 CPUtime=0
/proc/2255/stat : 2255 (pbclasp) D 2253 2255 1982 0 -1 4194304 350 0 0 0 0 0 0 0 18 0 1 0 260604726 12562432 317 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240472783461 0 2147483391 4224 0 18446744072099781622 0 0 17 1 0 0
/proc/2255/statm: 3067 317 242 3 0 167 0

[startup+0.0844791 s]
/proc/loadavg: 0.99 0.99 0.99 3/77 2255
/proc/meminfo: memFree=1717736/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12400 CPUtime=0
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 502 0 0 0 0 0 0 0 16 0 1 0 260604726 12697600 454 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481513570 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/2255/statm: 3100 454 324 3 0 200 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12400

[startup+0.101478 s]
/proc/loadavg: 0.99 0.99 0.99 3/77 2255
/proc/meminfo: memFree=1717736/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12400 CPUtime=0
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 502 0 0 0 0 0 0 0 16 0 1 0 260604726 12697600 454 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481513570 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/2255/statm: 3100 454 324 3 0 200 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12400

[startup+0.301499 s]
/proc/loadavg: 0.99 0.99 0.99 3/77 2255
/proc/meminfo: memFree=1717736/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12400 CPUtime=0.24
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 585 1592 0 0 0 0 23 1 16 0 1 0 260604726 12697600 475 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/2255/statm: 3100 475 343 3 0 200 0
Current children cumulated CPU time (s) 0.24
Current children cumulated vsize (KiB) 12400

[startup+0.701536 s]
/proc/loadavg: 0.99 0.99 0.99 3/77 2255
/proc/meminfo: memFree=1717736/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12400 CPUtime=0.64
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 821 6563 0 0 0 0 60 4 16 0 1 0 260604726 12697600 478 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/2255/statm: 3100 478 343 3 0 200 0
Current children cumulated CPU time (s) 0.64
Current children cumulated vsize (KiB) 12400

[startup+1.50161 s]
/proc/loadavg: 0.99 0.99 0.99 2/81 2289
/proc/meminfo: memFree=1714816/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12400 CPUtime=1.28
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 1169 14522 0 0 0 1 118 9 16 0 1 0 260604726 12697600 479 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/2255/statm: 3100 479 343 3 0 200 0
Current children cumulated CPU time (s) 1.28
Current children cumulated vsize (KiB) 12400

[startup+3.10176 s]
/proc/loadavg: 0.99 0.99 0.99 2/81 2329
/proc/meminfo: memFree=1713600/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12528 CPUtime=2.88
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 2121 35159 0 0 2 2 261 23 16 0 1 0 260604726 12828672 481 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/2255/statm: 3132 481 343 3 0 232 0
Current children cumulated CPU time (s) 2.88
Current children cumulated vsize (KiB) 12528

[startup+6.30104 s]
/proc/loadavg: 0.99 0.99 0.99 2/81 2457
/proc/meminfo: memFree=1714728/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12528 CPUtime=5.93
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 3925 75370 0 0 5 3 534 51 16 0 1 0 260604726 12828672 483 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/2255/statm: 3132 483 343 3 0 232 0
Current children cumulated CPU time (s) 5.93
Current children cumulated vsize (KiB) 12528

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

[startup+7.90219 s]
/proc/loadavg: 0.99 0.99 0.99 2/81 2558
/proc/meminfo: memFree=1715808/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12528 CPUtime=7.54
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 4898 96790 0 0 6 4 680 64 16 0 1 0 260604726 12828672 483 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/2255/statm: 3132 483 343 3 0 232 0
Current children cumulated CPU time (s) 7.54
Current children cumulated vsize (KiB) 12528

[startup+9.50134 s]
/proc/loadavg: 0.99 0.99 0.99 2/81 2598
/proc/meminfo: memFree=1713760/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12528 CPUtime=9.1
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 5857 117548 0 0 7 5 819 79 16 0 1 0 260604726 12828672 483 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/2255/statm: 3132 483 343 3 0 232 0
Current children cumulated CPU time (s) 9.1
Current children cumulated vsize (KiB) 12528

[startup+9.90538 s]
/proc/loadavg: 0.99 0.99 0.99 2/81 2638
/proc/meminfo: memFree=1713504/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12528 CPUtime=9.5
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 6097 122633 0 0 7 6 854 83 16 0 1 0 260604726 12828672 483 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/2255/statm: 3132 483 343 3 0 232 0
Current children cumulated CPU time (s) 9.5
Current children cumulated vsize (KiB) 12528

[startup+10.3014 s]
/proc/loadavg: 0.99 0.99 0.99 2/81 2638
/proc/meminfo: memFree=1713504/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12528 CPUtime=9.69
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 6216 125159 0 0 7 6 872 84 16 0 1 0 260604726 12828672 483 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/2255/statm: 3132 483 343 3 0 232 0
Current children cumulated CPU time (s) 9.69
Current children cumulated vsize (KiB) 12528

[startup+10.4014 s]
/proc/loadavg: 0.99 0.99 0.99 2/81 2638
/proc/meminfo: memFree=1713504/2055920 swapFree=4169108/4192956
[pid=2255] ppid=2253 vsize=12528 CPUtime=9.69
/proc/2255/stat : 2255 (pbclasp) S 2253 2255 1982 0 -1 4194304 6216 125159 0 0 7 6 872 84 16 0 1 0 260604726 12828672 483 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 240481517460 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/2255/statm: 3132 483 343 3 0 232 0
Current children cumulated CPU time (s) 9.69
Current children cumulated vsize (KiB) 12528

Child status: 0
Real time (s): 10.4104
CPU time (s): 10.0645
CPU user time (s): 9.13961
CPU system time (s): 0.924859
CPU usage (%): 96.6768
Max. virtual memory (cumulated for all children) (KiB): 25348

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.13961
system time used= 0.924859
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 133226
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= 3828
involuntary context switches= 1810

runsolver used 0.017997 second user time and 0.027995 second system time

The end

Launcher Data (download as text)

Begin job on node15 on Wed May  2 17:27:51 UTC 2007

IDJOB= 453265
IDBENCH= 48119
IDSOLVER= 158
FILE ID= node15/453265-1178126871

PBS_JOBID= 4751049

Free space on /tmp= 66563 MiB

SOLVER NAME= PB-clasp 2007-03-23
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_1.opb
COMMAND LINE= pbclasp instance-453265-1178126871.opb /tmp/evaluation/453265-1178126871/temp
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node15/convwatcher-453265-1178126871 -o ROOT/results/node15/conversion-453265-1178126871 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/453265-1178126871/instance-453265-1178126871.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node15/watcher-453265-1178126871 -o ROOT/results/node15/solver-453265-1178126871 -C 1800 -W 3600 -M 1800 --output-limit 1,15  pbclasp instance-453265-1178126871.opb /tmp/evaluation/453265-1178126871/temp

META MD5SUM SOLVER= 814f1745fa20958d8b352781cfa0403e
MD5SUM BENCH=  3c8b2b83a32c4c8e761f030b6789f3c6

RANDOM SEED= 284883567

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node15.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		: 3000.227
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		: 3000.227
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:       1718272 kB
Buffers:        118084 kB
Cached:         127968 kB
SwapCached:       2420 kB
Active:         194300 kB
Inactive:        78204 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1718272 kB
SwapTotal:     4192956 kB
SwapFree:      4169108 kB
Dirty:            1276 kB
Writeback:           0 kB
Mapped:          30416 kB
Slab:            50576 kB
Committed_AS: 10495316 kB
PageTables:       1868 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 node15 on Wed May  2 17:28:02 UTC 2007