Trace number 458418

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 NameAnswerCPU timeWall clock time
PBS4_v2 2007-03-23UNSAT 70.4883 70.5077

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/
normalized-cache-ibm-q-unbounded.Ic22arity.ucl.opb
MD5SUM2b5564b5f03b34138f988fcf164c2fb6
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark20.7428
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables87751
Total number of constraints254772
Number of constraints which are clauses247060
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints7712
Minimum length of a constraint1
Maximum length of a constraint15
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 130
Number of bits of the biggest number in a constraint 8
Biggest sum of numbers in a constraint 512
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

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/458418-1178622462/instance-458418-1178622462.opb ......
70.38/70.48	c done parsing opb.
70.38/70.48	s UNSATISFIABLE
70.38/70.48	c Total Run Time					66.9648

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/458418-1178622462/instance-458418-1178622462.opb is already a linear file

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node26/watcher-458418-1178622462 -o ROOT/results/node26/solver-458418-1178622462 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/458418-1178622462/instance-458418-1178622462.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: 0.86 0.94 0.97 3/77 30692
/proc/meminfo: memFree=1495992/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=9552 CPUtime=0
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 488 0 0 0 0 0 0 0 18 0 1 0 310163073 9781248 470 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134570671 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 2388 473 79 219 0 2165 0

[startup+0.0949739 s]
/proc/loadavg: 0.86 0.94 0.97 3/77 30692
/proc/meminfo: memFree=1495992/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=13472 CPUtime=0.08
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 3267 0 0 0 7 1 0 0 18 0 1 0 310163073 13795328 3151 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134804486 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 3368 3151 86 219 0 3145 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 13472

[startup+0.101974 s]
/proc/loadavg: 0.86 0.94 0.97 3/77 30692
/proc/meminfo: memFree=1495992/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=13472 CPUtime=0.09
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 3275 0 0 0 8 1 0 0 18 0 1 0 310163073 13795328 3159 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134798148 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 3368 3159 86 219 0 3145 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13472

[startup+0.301992 s]
/proc/loadavg: 0.86 0.94 0.97 3/77 30692
/proc/meminfo: memFree=1495992/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=15380 CPUtime=0.29
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 3761 0 0 0 28 1 0 0 19 0 1 0 310163073 15749120 3499 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 3845 3499 86 219 0 3622 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15380

[startup+0.701031 s]
/proc/loadavg: 0.86 0.94 0.97 3/77 30692
/proc/meminfo: memFree=1495992/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=18108 CPUtime=0.68
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 4582 0 0 0 67 1 0 0 23 0 1 0 310163073 18542592 4127 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134594427 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 4527 4127 86 219 0 4304 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 18108

[startup+1.5011 s]
/proc/loadavg: 0.87 0.94 0.97 2/78 30693
/proc/meminfo: memFree=1477936/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=23412 CPUtime=1.49
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 6207 0 0 0 147 2 0 0 25 0 1 0 310163073 23973888 5367 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134530029 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 5853 5367 86 219 0 5630 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 23412

[startup+3.10125 s]
/proc/loadavg: 0.87 0.94 0.97 2/78 30693
/proc/meminfo: memFree=1471024/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=34224 CPUtime=3.09
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 9432 0 0 0 305 4 0 0 25 0 1 0 310163073 35045376 7823 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134518452 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 8556 7823 86 219 0 8333 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 34224

[startup+6.30155 s]
/proc/loadavg: 0.87 0.94 0.97 2/78 30693
/proc/meminfo: memFree=1458672/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=41136 CPUtime=6.29
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 11479 0 0 0 623 6 0 0 25 0 1 0 310163073 42123264 9428 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 10284 9428 90 219 0 10061 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 41136

[startup+12.7011 s]
/proc/loadavg: 0.89 0.94 0.97 2/78 30693
/proc/meminfo: memFree=1456304/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=43248 CPUtime=12.68
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 12326 0 0 0 1261 7 0 0 25 0 1 0 310163073 44285952 9931 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544967 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 10812 9931 90 219 0 10589 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 43248

[startup+25.5013 s]
/proc/loadavg: 0.91 0.94 0.97 2/78 30693
/proc/meminfo: memFree=1454960/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=44564 CPUtime=25.49
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 12900 0 0 0 2539 10 0 0 25 0 1 0 310163073 45633536 10300 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134561131 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 11141 10300 90 219 0 10918 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 44564

[startup+51.1017 s]
/proc/loadavg: 0.94 0.95 0.97 2/78 30693
/proc/meminfo: memFree=1448496/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=51948 CPUtime=51.08
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 14846 0 0 0 5093 15 0 0 25 0 1 0 310163073 53194752 12008 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544912 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 12987 12008 90 219 0 12764 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 51948

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

[startup+63.9019 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 30693
/proc/meminfo: memFree=1447088/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=60924 CPUtime=63.88
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 15350 0 0 0 6371 17 0 0 25 0 1 0 310163073 62386176 12274 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544967 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 15231 12274 90 219 0 15008 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 60924

[startup+67.1052 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 30693
/proc/meminfo: memFree=1446960/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=60924 CPUtime=67.08
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 15401 0 0 0 6690 18 0 0 25 0 1 0 310163073 62386176 12325 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 15231 12325 90 219 0 15008 0
Current children cumulated CPU time (s) 67.08
Current children cumulated vsize (KiB) 60924

[startup+68.7013 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 30693
/proc/meminfo: memFree=1446896/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=60924 CPUtime=68.67
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 15425 0 0 0 6849 18 0 0 25 0 1 0 310163073 62386176 12349 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134546023 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 15231 12349 90 219 0 15008 0
Current children cumulated CPU time (s) 68.67
Current children cumulated vsize (KiB) 60924

[startup+69.5014 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 30693
/proc/meminfo: memFree=1446832/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=60924 CPUtime=69.47
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 15439 0 0 0 6929 18 0 0 25 0 1 0 310163073 62386176 12363 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134545116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 15231 12363 90 219 0 15008 0
Current children cumulated CPU time (s) 69.47
Current children cumulated vsize (KiB) 60924

[startup+70.3015 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 30693
/proc/meminfo: memFree=1446832/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=60924 CPUtime=70.28
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194304 15446 0 0 0 7009 19 0 0 25 0 1 0 310163073 62386176 12370 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544967 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 15231 12370 90 219 0 15008 0
Current children cumulated CPU time (s) 70.28
Current children cumulated vsize (KiB) 60924

[startup+70.5015 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 30693
/proc/meminfo: memFree=1446832/2055920 swapFree=4170140/4192956
[pid=30692] ppid=30690 vsize=0 CPUtime=70.47
/proc/30692/stat : 30692 (PBS4_SAT07v2) R 30690 30692 29220 0 -1 4194308 15495 0 0 0 7028 19 0 0 25 0 1 0 310163073 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30692/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 70.47
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 70.5077
CPU time (s): 70.4883
CPU user time (s): 70.2893
CPU system time (s): 0.198969
CPU usage (%): 99.9724
Max. virtual memory (cumulated for all children) (KiB): 60924

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 70.2893
system time used= 0.198969
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15495
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= 1513

runsolver used 0.057991 second user time and 0.158975 second system time

The end

Launcher Data (download as text)

Begin job on node26 on Tue May  8 11:07:43 UTC 2007

IDJOB= 458418
IDBENCH= 1495
IDSOLVER= 200
FILE ID= node26/458418-1178622462

PBS_JOBID= 5218264

Free space on /tmp= 66554 MiB

SOLVER NAME= PBS4_v2 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-cache-ibm-q-unbounded.Ic22arity.ucl.opb
COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/458418-1178622462/instance-458418-1178622462.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node26/convwatcher-458418-1178622462 -o ROOT/results/node26/conversion-458418-1178622462 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/458418-1178622462/instance-458418-1178622462.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node26/watcher-458418-1178622462 -o ROOT/results/node26/solver-458418-1178622462 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/458418-1178622462/instance-458418-1178622462.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  2b5564b5f03b34138f988fcf164c2fb6

RANDOM SEED= 718912379

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node26.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		: 3000.213
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		: 3000.213
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:       1496400 kB
Buffers:         40280 kB
Cached:         395264 kB
SwapCached:       3328 kB
Active:         205332 kB
Inactive:       256844 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1496400 kB
SwapTotal:     4192956 kB
SwapFree:      4170140 kB
Dirty:           10732 kB
Writeback:           0 kB
Mapped:          34060 kB
Slab:            82948 kB
Committed_AS:  2542452 kB
PageTables:       1724 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= 66554 MiB

End job on node26 on Tue May  8 11:08:53 UTC 2007