Trace number 1073097

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 55.3276 55.8644

DiagnosticValue
CHECKS28679600

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-03-04.xml
MD5SUM0b0ab2cae40e5a74bbe573d42fb3dcd8
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 benchmark5.80312
Satisfiable
(Un)Satisfiability was proved
Number of variables14930
Number of constraints87036
Maximum constraint arity19
Maximum domain size4
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)

0.18/0.20	c [ This is CaSPERzao (C) mvc@di.fct.unl.pt ]
0.18/0.20	c Parsing = 1
3.25/3.31	c Building = 1
7.61/7.76	c [ NumberOfVariables = 14930 ]
7.61/7.76	c [ NumberOfConstraints = 87036 ]
7.61/7.77	c [ SizeOfSearchSpace(log2) = 29860 ]
7.61/7.77	c SymmetrySearch = (GraphHasLoops)
7.91/8.08	c InitialPropagation = 1
8.11/8.26	c [ SizeOfSearchSpace(log2) = 14126 ]
8.11/8.26	c InitialSAC = 1
23.86/24.16	c [ SizeOfSearchSpace(log2) = 13614 ]
23.86/24.18	c Search(DomWDeg) = 1
55.16/55.71	s SATISFIABLE
55.16/55.72	v 0 0 0 0 0 1 1 0 0 0 1 1 0 1 1 1 0 1 1 0 1 1 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 1 1 1 1 0 0 0 1 0 0 0 0 1 1 0 0 1 1 0 0 1 1 1 1 0 1 0 1 0 1 0 0 1 0 1 1 0 0 1 0 0 1 0 1 0 1 0 1 1 1 0 1 0 0 0 0 0 0 1 0 1 0 1 1 0 1 1 1 0 1 1 0 0 1 1 1 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 1 1 0 1 1 0 1 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 1 0 0 1 1 1 1 1 1 1 1 1 1 0 1 0 1 0 0 1 0 1 0 0 0 1 1 0 1 0 1 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 0 0 1 1 0 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 0 0 1 0 1 0 0 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 1 1 0 0 0 0 0 1 0 1 0 1 1 0 1 1 0 0 0 0 1 0 0 1 1 0 0 0 0 0 1 1 1 0 1 1 1 0 0 1 0 0 1 0 0 1 0 1 1 1 1 1 1 0 0 1 1 0 1 1 1 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 1 1 0 1 1 1 0 1 0 0 1 1 0 0 1 0 0 1 1 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 0 1 1 1 1 0 1 1 1 1 1 0 1 0 1 1 1 0 1 1 1 1 0 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 0 0 1 1 1 0 1 0 1 1 0 0 1 0 1 1 1 0 1 0 0 1 0 0 1 0 1 1 1 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 1 0 0 0 1 0 1 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55.16/55.73	d CHECKS 28679569
55.16/55.73	c [ TotalFails = 8 ]
55.16/55.73	c [ NumberOfRestarts = 0 ]
55.16/55.73	c [ TotalTime = 48.9086 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-1073097-1215176536/watcher-1073097-1215176536 -o /tmp/evaluation-result-1073097-1215176536/solver-1073097-1215176536 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzao HOME/instance-1073097-1215176536.xml 483041410 

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: 1.92 1.98 1.99 4/73 26226
/proc/meminfo: memFree=1505904/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=1056 CPUtime=0
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 40 0 0 0 0 0 0 0 21 0 1 0 1996626158 1081344 26 996147200 134512640 135477443 4294956224 18446744073709551615 1979172 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 264 26 20 235 0 3 0

[startup+0.0911891 s]
/proc/loadavg: 1.92 1.98 1.99 4/73 26226
/proc/meminfo: memFree=1505904/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=6628 CPUtime=0.08
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 746 0 0 0 8 0 0 0 18 0 1 0 1996626158 6787072 706 996147200 134512640 135477443 4294956224 18446744073709551615 2446302 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 1657 706 362 235 0 358 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6628

[startup+0.101185 s]
/proc/loadavg: 1.92 1.98 1.99 4/73 26226
/proc/meminfo: memFree=1505904/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=6760 CPUtime=0.09
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 779 0 0 0 9 0 0 0 18 0 1 0 1996626158 6922240 739 996147200 134512640 135477443 4294956224 18446744073709551615 4158884508 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 1690 739 362 235 0 391 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6760

[startup+0.301209 s]
/proc/loadavg: 1.92 1.98 1.99 4/73 26226
/proc/meminfo: memFree=1505904/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=9748 CPUtime=0.29
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 1557 0 0 0 28 1 0 0 19 0 1 0 1996626158 9981952 1517 996147200 134512640 135477443 4294956224 18446744073709551615 134730201 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 2437 1517 370 235 0 1138 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9748

[startup+0.701245 s]
/proc/loadavg: 1.92 1.98 1.99 4/73 26226
/proc/meminfo: memFree=1505904/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=13972 CPUtime=0.69
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 2603 0 0 0 67 2 0 0 23 0 1 0 1996626158 14307328 2563 996147200 134512640 135477443 4294956224 18446744073709551615 2446294 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 3493 2563 370 235 0 2194 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13972

[startup+1.50142 s]
/proc/loadavg: 1.92 1.98 1.99 3/74 26227
/proc/meminfo: memFree=1493992/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=21496 CPUtime=1.46
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 4485 0 0 0 143 3 0 0 25 0 1 0 1996626158 22011904 4445 996147200 134512640 135477443 4294956224 18446744073709551615 4159670439 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 5374 4445 370 235 0 4075 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 21496

[startup+3.10146 s]
/proc/loadavg: 2.01 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1483880/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=36016 CPUtime=3.06
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 8129 0 0 0 300 6 0 0 25 0 1 0 1996626158 36880384 8089 996147200 134512640 135477443 4294956224 18446744073709551615 4158762505 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 9004 8089 370 235 0 7705 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 36016

[startup+6.30175 s]
/proc/loadavg: 2.01 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1454888/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=134936 CPUtime=6.23
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 74861 0 0 0 426 197 0 0 25 0 1 0 1996626158 138174464 15522 996147200 134512640 135477443 4294956224 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 33734 15522 428 235 0 32435 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 134936

[startup+12.7023 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1391016/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=225268 CPUtime=12.57
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 116038 0 0 0 966 291 0 0 25 0 1 0 1996626158 230674432 28877 996147200 134512640 135477443 4294956224 18446744073709551615 134918929 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 56317 28877 469 235 0 55018 0
Current children cumulated CPU time (s) 12.57
Current children cumulated vsize (KiB) 225268

[startup+25.5015 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1387624/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=225268 CPUtime=25.25
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 116564 0 0 0 2233 292 0 0 25 0 1 0 1996626158 230674432 29403 996147200 134512640 135477443 4294956224 18446744073709551615 135208677 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 56317 29403 483 235 0 55018 0
Current children cumulated CPU time (s) 25.25
Current children cumulated vsize (KiB) 225268

[startup+51.1018 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1383976/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=225268 CPUtime=50.59
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 116860 0 0 0 4767 292 0 0 25 0 1 0 1996626158 230674432 29699 996147200 134512640 135477443 4294956224 18446744073709551615 135208689 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 56317 29699 483 235 0 55018 0
Current children cumulated CPU time (s) 50.59
Current children cumulated vsize (KiB) 225268

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

[startup+54.3011 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1383656/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=225268 CPUtime=53.76
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 116940 0 0 0 5084 292 0 0 25 0 1 0 1996626158 230674432 29779 996147200 134512640 135477443 4294956224 18446744073709551615 135208512 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 56317 29779 483 235 0 55018 0
Current children cumulated CPU time (s) 53.76
Current children cumulated vsize (KiB) 225268

[startup+55.1021 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1383528/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=225268 CPUtime=54.55
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 116972 0 0 0 5163 292 0 0 25 0 1 0 1996626158 230674432 29811 996147200 134512640 135477443 4294956224 18446744073709551615 135208689 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 56317 29811 483 235 0 55018 0
Current children cumulated CPU time (s) 54.55
Current children cumulated vsize (KiB) 225268

[startup+55.5022 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1383528/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=225268 CPUtime=54.96
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 116996 0 0 0 5203 293 0 0 25 0 1 0 1996626158 230674432 29835 996147200 134512640 135477443 4294956224 18446744073709551615 135208677 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 56317 29835 483 235 0 55018 0
Current children cumulated CPU time (s) 54.96
Current children cumulated vsize (KiB) 225268

[startup+55.7022 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1383528/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=225268 CPUtime=55.16
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 117015 0 0 0 5223 293 0 0 25 0 1 0 1996626158 230674432 29854 996147200 134512640 135477443 4294956224 18446744073709551615 135208512 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 56317 29854 483 235 0 55018 0
Current children cumulated CPU time (s) 55.16
Current children cumulated vsize (KiB) 225268

[startup+55.8022 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 26227
/proc/meminfo: memFree=1383528/2055920 swapFree=4179776/4192956
[pid=26226] ppid=26224 vsize=225268 CPUtime=55.26
/proc/26226/stat : 26226 (casperzao) R 26224 26226 25770 0 -1 4194304 117018 0 0 0 5233 293 0 0 25 0 1 0 1996626158 230674432 29857 996147200 134512640 135477443 4294956224 18446744073709551615 2408467 0 0 4096 0 0 0 0 17 1 0 0
/proc/26226/statm: 56317 29857 484 235 0 55018 0
Current children cumulated CPU time (s) 55.26
Current children cumulated vsize (KiB) 225268

Child status: 0
Real time (s): 55.8644
CPU time (s): 55.3276
CPU user time (s): 52.374
CPU system time (s): 2.95355
CPU usage (%): 99.039
Max. virtual memory (cumulated for all children) (KiB): 225612

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 52.374
system time used= 2.95355
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 117019
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= 1273

runsolver used 0.090986 second user time and 0.164974 second system time

The end

Launcher Data (download as text)

Begin job on node43 at 2008-07-04 15:02:17
IDJOB=1073097
IDBENCH=56317
IDSOLVER=361
FILE ID=node43/1073097-1215176536
PBS_JOBID= 7881524
Free space on /tmp= 66476 MiB

SOLVER NAME= casper zao
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-03-04.xml
COMMAND LINE= HOME/casperzao BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073097-1215176536/watcher-1073097-1215176536 -o /tmp/evaluation-result-1073097-1215176536/solver-1073097-1215176536 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzao HOME/instance-1073097-1215176536.xml 483041410 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 0b0ab2cae40e5a74bbe573d42fb3dcd8
RANDOM SEED=483041410

node43.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		: 3000.230
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		: 3000.230
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:       1506384 kB
Buffers:         50392 kB
Cached:         231424 kB
SwapCached:       7048 kB
Active:         412708 kB
Inactive:        77364 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1506384 kB
SwapTotal:     4192956 kB
SwapFree:      4179776 kB
Dirty:           14968 kB
Writeback:           0 kB
Mapped:         214628 kB
Slab:            44324 kB
Committed_AS:  3898600 kB
PageTables:       2368 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= 66476 MiB
End job on node43 at 2008-07-04 15:03:13