Trace number 1073223

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
casper zaoSAT 49.2365 49.4531

DiagnosticValue
CHECKS28654000

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-03-16.xml
MD5SUMdf9481f3cfdafddde2762be913d8464a
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark6.97994
Satisfiable
(Un)Satisfiability was proved
Number of variables14930
Number of constraints87036
Maximum constraint arity19
Maximum domain size16
Number of constraints which are defined in extension0
Number of constraints which are defined in intension87036
Global constraints used (with number of constraints)

Solver Data (download as text)

0.09/0.10	c [ This is CaSPERzao (C) mvc@di.fct.unl.pt ]
0.09/0.10	c Parsing = 1
2.98/3.01	c Building = 1
7.06/7.10	c [ NumberOfVariables = 14930 ]
7.06/7.10	c [ NumberOfConstraints = 87036 ]
7.06/7.10	c [ SizeOfSearchSpace(log2) = 59720 ]
7.06/7.10	c SymmetrySearch = (GraphHasLoops)
7.26/7.39	c InitialPropagation = 1
7.45/7.55	c [ SizeOfSearchSpace(log2) = 14126 ]
7.45/7.55	c InitialSAC = 1
21.80/21.99	c [ SizeOfSearchSpace(log2) = 13614 ]
21.80/22.00	c Search(DomWDeg) = 1
49.08/49.33	s SATISFIABLE
49.08/49.33	v 0 0 0 1 1 0 0 0 1 1 1 0 1 1 1 0 0 1 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 1 0 0 0 0 1 1 1 0 0 1 1 1 0 0 0 1 1 0 0 0 0 1 0 0 1 1 1 1 0 1 1 0 1 0 1 1 0 0 0 1 1 0 1 1 1 0 0 0 0 0 0 1 1 1 0 0 1 0 1 1 0 0 0 1 1 1 1 0 0 1 1 0 0 0 1 0 1 1 1 1 1 1 1 0 1 0 0 0 0 0 1 0 0 0 1 1 0 0 1 1 0 0 0 1 0 1 0 1 0 0 1 1 0 1 1 0 1 1 1 1 0 0 0 0 0 1 0 1 1 1 1 1 0 0 1 1 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 1 0 1 0 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 0 0 1 1 0 1 1 1 0 0 0 1 0 0 0 1 0 0 0 1 0 1 1 0 0 0 0 0 1 1 1 1 1 0 0 1 0 0 0 1 0 0 0 0 0 1 1 1 0 0 0 1 0 0 1 1 1 1 1 0 1 1 0 0 1 1 1 0 1 1 0 1 1 1 0 0 1 1 0 0 0 1 1 1 1 1 0 1 0 1 1 0 0 0 1 1 1 0 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 1 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 1 1 0 1 0 1 0 0 1 1 0 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 0 1 1 1 0 1 1 1 0 0 1 0 1 1 1 0 1 0 0 0 1 0 0 0 1 1 1 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 1 1 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 1 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 0 0 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49.08/49.34	d CHECKS 28653985
49.08/49.34	c [ TotalFails = 9 ]
49.08/49.34	c [ NumberOfRestarts = 0 ]
49.08/49.34	c [ TotalTime = 46.3205 secs ]

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073223-1215176756/watcher-1073223-1215176756 -o /tmp/evaluation-result-1073223-1215176756/solver-1073223-1215176756 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzao HOME/instance-1073223-1215176756.xml 942016996 

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): 2200 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 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: 2.00 2.00 2.00 4/82 2963
/proc/meminfo: memFree=1077392/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=5352 CPUtime=0
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 215 0 0 0 0 0 0 0 20 0 1 0 640606117 5480448 190 996147200 134512640 135477443 4294956224 18446744073709551615 4705144 0 0 4096 0 0 0 0 17 0 0 0
/proc/2963/statm: 1338 190 156 235 0 27 0

[startup+0.0454799 s]
/proc/loadavg: 2.00 2.00 2.00 4/82 2963
/proc/meminfo: memFree=1077392/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=6100 CPUtime=0.03
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 617 0 0 0 3 0 0 0 20 0 1 0 640606117 6246400 577 996147200 134512640 135477443 4294956224 18446744073709551615 134720816 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 1525 577 362 235 0 226 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 6100

[startup+0.10249 s]
/proc/loadavg: 2.00 2.00 2.00 4/82 2963
/proc/meminfo: memFree=1077392/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=7160 CPUtime=0.09
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 894 0 0 0 9 0 0 0 20 0 1 0 640606117 7331840 854 996147200 134512640 135477443 4294956224 18446744073709551615 5166963 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 1790 854 369 235 0 491 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7160

[startup+0.302508 s]
/proc/loadavg: 2.00 2.00 2.00 4/82 2963
/proc/meminfo: memFree=1077392/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=10144 CPUtime=0.29
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 1654 0 0 0 29 0 0 0 22 0 1 0 640606117 10387456 1614 996147200 134512640 135477443 4294956224 18446744073709551615 134811827 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 2536 1614 370 235 0 1237 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10144

[startup+0.702553 s]
/proc/loadavg: 2.00 2.00 2.00 4/82 2963
/proc/meminfo: memFree=1077392/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=14632 CPUtime=0.69
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 2768 0 0 0 67 2 0 0 25 0 1 0 640606117 14983168 2728 996147200 134512640 135477443 4294956224 18446744073709551615 134523844 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 3658 2728 370 235 0 2359 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14632

[startup+1.50164 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 2964
/proc/meminfo: memFree=1064712/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=22948 CPUtime=1.48
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 4838 0 0 0 146 2 0 0 25 0 1 0 640606117 23498752 4798 996147200 134512640 135477443 4294956224 18446744073709551615 4158884493 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 5737 4798 370 235 0 4438 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 22948

[startup+3.10181 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 2964
/proc/meminfo: memFree=1053064/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=130836 CPUtime=3.08
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 11559 0 0 0 298 10 0 0 25 0 1 0 640606117 133976064 9976 996147200 134512640 135477443 4294956224 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 32709 9976 427 235 0 31410 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 130836

[startup+6.30114 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 2964
/proc/meminfo: memFree=1021192/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=137364 CPUtime=6.26
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 88056 0 0 0 409 217 0 0 25 0 1 0 640606117 140660736 17181 996147200 134512640 135477443 4294956224 18446744073709551615 5568721 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 34341 17181 428 235 0 33042 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 137364

[startup+12.7018 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 2964
/proc/meminfo: memFree=963208/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=12.64
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 116070 0 0 0 995 269 0 0 25 0 1 0 640606117 230674432 28909 996147200 134512640 135477443 4294956224 18446744073709551615 135268497 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 28909 469 235 0 55018 0
Current children cumulated CPU time (s) 12.64
Current children cumulated vsize (KiB) 225268

[startup+25.5012 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 2964
/proc/meminfo: memFree=961168/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=25.38
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 116594 0 0 0 2269 269 0 0 25 0 1 0 640606117 230674432 29433 996147200 134512640 135477443 4294956224 18446744073709551615 135208708 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 29433 483 235 0 55018 0
Current children cumulated CPU time (s) 25.38
Current children cumulated vsize (KiB) 225268

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

[startup+38.3015 s]
/proc/loadavg: 2.07 2.02 2.00 3/83 2964
/proc/meminfo: memFree=960464/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=38.13
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 116745 0 0 0 3544 269 0 0 25 0 1 0 640606117 230674432 29584 996147200 134512640 135477443 4294956224 18446744073709551615 135208677 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 29584 483 235 0 55018 0
Current children cumulated CPU time (s) 38.13
Current children cumulated vsize (KiB) 225268

[startup+44.7012 s]
/proc/loadavg: 2.07 2.02 2.00 3/83 2964
/proc/meminfo: memFree=960208/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=44.5
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 116845 0 0 0 4180 270 0 0 25 0 1 0 640606117 230674432 29684 996147200 134512640 135477443 4294956224 18446744073709551615 135208684 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 29684 483 235 0 55018 0
Current children cumulated CPU time (s) 44.5
Current children cumulated vsize (KiB) 225268

[startup+47.9015 s]
/proc/loadavg: 2.06 2.02 2.00 3/83 2964
/proc/meminfo: memFree=959824/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=47.69
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 116933 0 0 0 4499 270 0 0 25 0 1 0 640606117 230674432 29772 996147200 134512640 135477443 4294956224 18446744073709551615 135208689 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 29772 483 235 0 55018 0
Current children cumulated CPU time (s) 47.69
Current children cumulated vsize (KiB) 225268

[startup+48.7016 s]
/proc/loadavg: 2.06 2.02 2.00 3/83 2964
/proc/meminfo: memFree=959632/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=48.49
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 116970 0 0 0 4579 270 0 0 25 0 1 0 640606117 230674432 29809 996147200 134512640 135477443 4294956224 18446744073709551615 135208645 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 29809 483 235 0 55018 0
Current children cumulated CPU time (s) 48.49
Current children cumulated vsize (KiB) 225268

[startup+49.1017 s]
/proc/loadavg: 2.06 2.02 2.00 3/83 2964
/proc/meminfo: memFree=959632/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=48.88
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 116996 0 0 0 4618 270 0 0 25 0 1 0 640606117 230674432 29835 996147200 134512640 135477443 4294956224 18446744073709551615 135208512 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 29835 483 235 0 55018 0
Current children cumulated CPU time (s) 48.88
Current children cumulated vsize (KiB) 225268

[startup+49.3017 s]
/proc/loadavg: 2.06 2.02 2.00 3/83 2964
/proc/meminfo: memFree=959632/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=49.08
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 117017 0 0 0 4638 270 0 0 25 0 1 0 640606117 230674432 29856 996147200 134512640 135477443 4294956224 18446744073709551615 135208512 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 29856 483 235 0 55018 0
Current children cumulated CPU time (s) 49.08
Current children cumulated vsize (KiB) 225268

[startup+49.4017 s]
/proc/loadavg: 2.06 2.02 2.00 4/83 2964
/proc/meminfo: memFree=959312/2055920 swapFree=4180580/4192956
[pid=2963] ppid=2961 vsize=225268 CPUtime=49.18
/proc/2963/stat : 2963 (casperzao) R 2961 2963 1127 0 -1 4194304 117023 0 0 0 4648 270 0 0 25 0 1 0 640606117 230674432 29862 996147200 134512640 135477443 4294956224 18446744073709551615 5165208 0 0 4096 0 0 0 0 17 1 0 0
/proc/2963/statm: 56317 29862 484 235 0 55018 0
Current children cumulated CPU time (s) 49.18
Current children cumulated vsize (KiB) 225268

Child status: 0
Real time (s): 49.4531
CPU time (s): 49.2365
CPU user time (s): 46.5119
CPU system time (s): 2.72458
CPU usage (%): 99.562
Max. virtual memory (cumulated for all children) (KiB): 225268

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 46.5119
system time used= 2.72458
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 117024
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= 16
involuntary context switches= 1564

runsolver used 0.044993 second user time and 0.144977 second system time

The end

Launcher Data (download as text)

Begin job on node79 at 2008-07-04 15:05:57
IDJOB=1073223
IDBENCH=56328
IDSOLVER=361
FILE ID=node79/1073223-1215176756
PBS_JOBID= 7881453
Free space on /tmp= 66544 MiB

SOLVER NAME= casper zao
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-03-16.xml
COMMAND LINE= HOME/casperzao BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073223-1215176756/watcher-1073223-1215176756 -o /tmp/evaluation-result-1073223-1215176756/solver-1073223-1215176756 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzao HOME/instance-1073223-1215176756.xml 942016996 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= df9481f3cfdafddde2762be913d8464a
RANDOM SEED=942016996

node79.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.218
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		: 3000.218
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1077936 kB
Buffers:         60288 kB
Cached:         165188 kB
SwapCached:       6948 kB
Active:         831188 kB
Inactive:        90580 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1077936 kB
SwapTotal:     4192956 kB
SwapFree:      4180580 kB
Dirty:           14952 kB
Writeback:           0 kB
Mapped:         712100 kB
Slab:            39936 kB
Committed_AS:  1717196 kB
PageTables:       3352 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= 66540 MiB
End job on node79 at 2008-07-04 15:06:47