Trace number 453559

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 2007-04-10Wrong Cert. 0.963853 1.03502

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_5.opb
MD5SUMf4c69768619389ba083d2740787a0405
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 benchmark0.306952
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 constraint36
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)1464
Sum of products size (including duplicates)2928
Number of different products1464
Sum of products size2928

Solver Data (download as text)

0.23/0.32	o 4
0.31/0.46	o 3
0.91/1.03	s OPTIMUM FOUND
0.91/1.03	v x32 x36 x47 x60 x70 x92 x135 x155 x180 x191 x217 x228 x241 x256 x281 x284 x297 x327 x350 x351 x352 x390 x430 x456 x458 x463 x476
0.91/1.03	v x477 x521 x549 x580 x594 x621 x622 x624 x643 x653 x677 x684 x701 x709 x739 x744 x772 x792 x822 x827 x861 x884 x917 x950 x974 x1000
0.91/1.03	v x1005 x1056 x1060 x1061 x1084 x1109 x1116 x1171 x1175 x1192 x1201 x1222 x1251 x1274 x1302 x1306 x1326 x1356 x1360 x1380 x1404
0.91/1.03	v x1457 x1462 x1484 x1508

Verifier Data (download as text)

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

Falsified constraint is:
+1*~x1[=0]*x26[=0]+1*~x1[=0]*x16[=0]+1*~x1[=0]*x11[=0]+1*~x1[=0]*x23[=0]+1*~x1[=0]*x27[=0]+1*~x1[=0]*x33[=0]+1*~x1[=0]*x21[=0]+1*~x1[=0]*x50[=0]+1*~x1[=0]*x24[=0]+1*~x1[=0]*x32[=1]+1*~x1[=0]*x49[=0]+1*~x1[=0]*x29[=0]+1*~x1[=0]*x37[=0]+1*~x1[=0]*x15[=0]+1*~x1[=0]*x6[=0]+1*~x1[=0]*x30[=0]+1*~x1[=0]*x34[=0]+1*~x1[=0]*x3[=0]+1*~x1[=0]*x18[=0]+1*~x1[=0]*x47[=1]+1*~x1[=0]*x28[=0]+1*~x1[=0]*x35[=0]+1*~x1[=0]*x9[=0]+1*~x1[=0]*x12[=0]+1*~x1[=0]*x41[=0]+1*~x1[=0]*x2[=0]+1*~x1[=0]*x4[=0]+1*~x1[=0]*x5[=0]+1*~x1[=0]*x8[=0]+1*~x1[=0]*x10[=0]+1*~x1[=0]*x13[=0]+1*~x1[=0]*x20[=0]+1*~x1[=0]*x38[=0]+1*~x1[=0]*x48[=0]+1*x1[=0] >= 1

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/453559-1178142727/instance-453559-1178142727.opb

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node13/watcher-453559-1178142727 -o ROOT/results/node13/solver-453559-1178142727 -C 1800 -W 3600 -M 1800 --output-limit 1,15 pbclasp instance-453559-1178142727.opb /tmp/evaluation/453559-1178142727/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: 0.89 0.97 0.99 3/77 17009
/proc/meminfo: memFree=1765760/2055920 swapFree=4159360/4192956
[pid=17009] ppid=17007 vsize=12268 CPUtime=0
/proc/17009/stat : 17009 (pbclasp) D 17007 17009 15877 0 -1 4194304 350 0 0 0 0 0 0 0 18 0 1 0 262190537 12562432 317 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 269757413989 0 2147483391 4224 0 18446744072099781622 0 0 17 1 0 0
/proc/17009/statm: 3067 317 242 3 0 167 0

[startup+0.058259 s]
/proc/loadavg: 0.89 0.97 0.99 3/77 17009
/proc/meminfo: memFree=1765760/2055920 swapFree=4159360/4192956
[pid=17009] ppid=17007 vsize=12400 CPUtime=0
/proc/17009/stat : 17009 (pbclasp) S 17007 17009 15877 0 -1 4194304 502 0 0 0 0 0 0 0 16 0 1 0 262190537 12697600 454 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 269766144098 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/17009/statm: 3100 454 324 3 0 200 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12400

[startup+0.101266 s]
/proc/loadavg: 0.89 0.97 0.99 3/77 17009
/proc/meminfo: memFree=1765760/2055920 swapFree=4159360/4192956
[pid=17009] ppid=17007 vsize=12400 CPUtime=0
/proc/17009/stat : 17009 (pbclasp) S 17007 17009 15877 0 -1 4194304 502 0 0 0 0 0 0 0 16 0 1 0 262190537 12697600 454 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 269766144098 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/17009/statm: 3100 454 324 3 0 200 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12400

[startup+0.301313 s]
/proc/loadavg: 0.89 0.97 0.99 3/77 17009
/proc/meminfo: memFree=1765760/2055920 swapFree=4159360/4192956
[pid=17009] ppid=17007 vsize=12400 CPUtime=0.23
/proc/17009/stat : 17009 (pbclasp) S 17007 17009 15877 0 -1 4194304 586 1592 0 0 0 0 23 0 16 0 1 0 262190537 12697600 475 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 269766147988 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/17009/statm: 3100 475 343 3 0 200 0
Current children cumulated CPU time (s) 0.23
Current children cumulated vsize (KiB) 12400

[startup+0.701395 s]
/proc/loadavg: 0.89 0.97 0.99 3/77 17009
/proc/meminfo: memFree=1765760/2055920 swapFree=4159360/4192956
[pid=17009] ppid=17007 vsize=12400 CPUtime=0.39
/proc/17009/stat : 17009 (pbclasp) S 17007 17009 15877 0 -1 4194304 817 5922 0 0 0 0 35 4 16 0 1 0 262190537 12697600 478 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 269766147988 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/17009/statm: 3100 478 343 3 0 200 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 12400

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

[startup+0.901437 s]
/proc/loadavg: 0.89 0.97 0.99 3/77 17009
/proc/meminfo: memFree=1765760/2055920 swapFree=4159360/4192956
[pid=17009] ppid=17007 vsize=12400 CPUtime=0.39
/proc/17009/stat : 17009 (pbclasp) S 17007 17009 15877 0 -1 4194304 817 5922 0 0 0 0 35 4 16 0 1 0 262190537 12697600 478 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 269766147988 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/17009/statm: 3100 478 343 3 0 200 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 12400

[startup+1.00146 s]
/proc/loadavg: 0.89 0.97 0.99 2/80 17035
/proc/meminfo: memFree=1762456/2055920 swapFree=4159360/4192956
[pid=17009] ppid=17007 vsize=12400 CPUtime=0.39
/proc/17009/stat : 17009 (pbclasp) S 17007 17009 15877 0 -1 4194304 817 5922 0 0 0 0 35 4 16 0 1 0 262190537 12697600 478 18446744073709551615 4194304 4206940 548682069168 18446744073709551615 269766147988 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/17009/statm: 3100 478 343 3 0 200 0
[pid=17033] ppid=17009 vsize=5356 CPUtime=0
/proc/17033/stat : 17033 (sh) S 17009 17009 15877 0 -1 4194304 288 122 0 0 0 0 0 0 17 0 1 0 262190584 5484544 225 18446744073709551615 4194304 4889804 548682069168 18446744073709551615 269757244228 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/17033/statm: 1339 225 188 169 0 50 0
[pid=17035] ppid=17033 vsize=4696 CPUtime=0.52
/proc/17035/stat : 17035 (clasp-1.0) R 17033 17009 15877 0 -1 4194304 809 0 0 0 52 0 0 0 21 0 1 0 262190585 4808704 770 18446744073709551615 134512640 134847168 4294956720 18446744073709551615 134715844 0 0 4096 0 0 0 0 17 1 0 0
/proc/17035/statm: 1174 770 249 81 0 548 0
Current children cumulated CPU time (s) 0.91
Current children cumulated vsize (KiB) 22452

Child status: 0
Real time (s): 1.03502
CPU time (s): 0.963853
CPU user time (s): 0.906862
CPU system time (s): 0.056991
CPU usage (%): 93.1241
Max. virtual memory (cumulated for all children) (KiB): 22452

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.906862
system time used= 0.056991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8234
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= 303
involuntary context switches= 63

runsolver used 0.001999 second user time and 0.012998 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Wed May  2 21:52:07 UTC 2007

IDJOB= 453559
IDBENCH= 48138
IDSOLVER= 167
FILE ID= node13/453559-1178142727

PBS_JOBID= 4751061

Free space on /tmp= 66564 MiB

SOLVER NAME= PB-clasp 2007-04-10
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_5.opb
COMMAND LINE= pbclasp instance-453559-1178142727.opb /tmp/evaluation/453559-1178142727/temp
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node13/convwatcher-453559-1178142727 -o ROOT/results/node13/conversion-453559-1178142727 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/453559-1178142727/instance-453559-1178142727.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-453559-1178142727 -o ROOT/results/node13/solver-453559-1178142727 -C 1800 -W 3600 -M 1800 --output-limit 1,15  pbclasp instance-453559-1178142727.opb /tmp/evaluation/453559-1178142727/temp

META MD5SUM SOLVER= 1e5f480786d97be718f2223f2ffb5f36
MD5SUM BENCH=  f4c69768619389ba083d2740787a0405

RANDOM SEED= 66026825

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.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		: 3000.259
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		: 3000.259
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:       1766168 kB
Buffers:         91556 kB
Cached:         103924 kB
SwapCached:      12872 kB
Active:         121440 kB
Inactive:        99752 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1766168 kB
SwapTotal:     4192956 kB
SwapFree:      4159360 kB
Dirty:             772 kB
Writeback:           0 kB
Mapped:          31624 kB
Slab:            53964 kB
Committed_AS:  9483740 kB
PageTables:       1880 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= 66564 MiB

End job on node13 on Wed May  2 21:52:08 UTC 2007