Trace number 1073202

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 3.2935 3.3309

DiagnosticValue
CHECKS2932360

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-02-08.xml
MD5SUM767efc934a58caf3d4bdbd071f8340d6
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 benchmark1.2818
Satisfiable
(Un)Satisfiability was proved
Number of variables2810
Number of constraints14493
Maximum constraint arity17
Maximum domain size8
Number of constraints which are defined in extension0
Number of constraints which are defined in intension14493
Global constraints used (with number of constraints)

Solver Data (download as text)

0.19/0.20	c [ This is CaSPERzao (C) mvc@di.fct.unl.pt ]
0.19/0.20	c Parsing = 1
0.39/0.50	c Building = 1
1.18/1.23	c [ NumberOfVariables = 2810 ]
1.18/1.23	c [ NumberOfConstraints = 14493 ]
1.18/1.23	c [ SizeOfSearchSpace(log2) = 8430 ]
1.18/1.23	c SymmetrySearch = (GraphHasLoops)
1.18/1.28	c InitialPropagation = 1
1.27/1.31	c [ SizeOfSearchSpace(log2) = 2241 ]
1.27/1.31	c InitialSAC = 1
2.76/2.87	c [ SizeOfSearchSpace(log2) = 2228 ]
2.76/2.87	c Search(SampleFF) : 
3.26/3.32	c [ Sampling domwdeg ]
3.26/3.32	c Search(SampleFF) = 1
3.26/3.32	s SATISFIABLE
3.26/3.32	v 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 1 1 0 0 1 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3.26/3.32	d CHECKS 2932364
3.26/3.32	c [ TotalFails = 1 ]
3.26/3.32	c [ NumberOfRestarts = 0 ]
3.26/3.32	c [ TotalTime = 2.63706 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-1073202-1215176702/watcher-1073202-1215176702 -o /tmp/evaluation-result-1073202-1215176702/solver-1073202-1215176702 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzao HOME/instance-1073202-1215176702.xml 1188569768 

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: 1.91 1.36 1.13 4/81 5230
/proc/meminfo: memFree=965304/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=18572 CPUtime=0
/proc/5230/stat : 5230 (runsolver) R 5228 5230 5127 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 1996643722 19017728 292 996147200 4194304 4296836 548682068464 18446744073709551615 210824129831 0 0 4096 24578 0 0 0 17 1 0 0
/proc/5230/statm: 4643 292 257 25 0 2626 0

[startup+0.106783 s]
/proc/loadavg: 1.91 1.36 1.13 4/81 5230
/proc/meminfo: memFree=965304/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=6684 CPUtime=0.09
/proc/5230/stat : 5230 (casperzao) R 5228 5230 5127 0 -1 4194304 795 0 0 0 9 0 0 0 18 0 1 0 1996643722 6844416 755 996147200 134512640 135477443 4294956224 18446744073709551615 11378340 0 0 4096 0 0 0 0 17 1 0 0
/proc/5230/statm: 1671 755 370 235 0 372 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6684

[startup+0.201807 s]
/proc/loadavg: 1.91 1.36 1.13 4/81 5230
/proc/meminfo: memFree=965304/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=7740 CPUtime=0.19
/proc/5230/stat : 5230 (casperzao) R 5228 5230 5127 0 -1 4194304 1033 0 0 0 18 1 0 0 18 0 1 0 1996643722 7925760 993 996147200 134512640 135477443 4294956224 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/5230/statm: 1935 993 370 235 0 636 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7740

[startup+0.301804 s]
/proc/loadavg: 1.91 1.36 1.13 4/81 5230
/proc/meminfo: memFree=965304/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=8664 CPUtime=0.29
/proc/5230/stat : 5230 (casperzao) R 5228 5230 5127 0 -1 4194304 1284 0 0 0 28 1 0 0 19 0 1 0 1996643722 8871936 1244 996147200 134512640 135477443 4294956224 18446744073709551615 134810837 0 0 4096 0 0 0 0 17 1 0 0
/proc/5230/statm: 2166 1244 370 235 0 867 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8664

[startup+0.701853 s]
/proc/loadavg: 1.91 1.36 1.13 4/81 5230
/proc/meminfo: memFree=965304/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=104268 CPUtime=0.68
/proc/5230/stat : 5230 (casperzao) R 5228 5230 5127 0 -1 4194304 6418 0 0 0 55 13 0 0 23 0 1 0 1996643722 106770432 2275 996147200 134512640 135477443 4294956224 18446744073709551615 134858260 0 0 4096 0 0 0 0 17 1 0 0
/proc/5230/statm: 26067 2275 427 235 0 24768 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 104268

[startup+1.50195 s]
/proc/loadavg: 1.91 1.36 1.13 3/82 5231
/proc/meminfo: memFree=953840/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=109368 CPUtime=1.47
/proc/5230/stat : 5230 (casperzao) R 5228 5230 5127 0 -1 4194304 19670 0 0 0 100 47 0 0 25 0 1 0 1996643722 111992832 5137 996147200 134512640 135477443 4294956224 18446744073709551615 134583585 0 0 4096 0 0 0 0 17 1 0 0
/proc/5230/statm: 27342 5137 468 235 0 26043 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 109368

[startup+3.10115 s]
/proc/loadavg: 1.91 1.36 1.13 3/82 5231
/proc/meminfo: memFree=946160/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=109368 CPUtime=3.06
/proc/5230/stat : 5230 (casperzao) R 5228 5230 5127 0 -1 4194304 19798 0 0 0 259 47 0 0 25 0 1 0 1996643722 111992832 5265 996147200 134512640 135477443 4294956224 18446744073709551615 135208689 0 0 4096 0 0 0 0 17 1 0 0
/proc/5230/statm: 27342 5265 483 235 0 26043 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 109368

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

[startup+3.20116 s]
/proc/loadavg: 1.91 1.36 1.13 3/82 5231
/proc/meminfo: memFree=946160/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=109368 CPUtime=3.16
/proc/5230/stat : 5230 (casperzao) R 5228 5230 5127 0 -1 4194304 19807 0 0 0 269 47 0 0 25 0 1 0 1996643722 111992832 5274 996147200 134512640 135477443 4294956224 18446744073709551615 135208694 0 0 4096 0 0 0 0 17 1 0 0
/proc/5230/statm: 27342 5274 483 235 0 26043 0
Current children cumulated CPU time (s) 3.16
Current children cumulated vsize (KiB) 109368

[startup+3.30117 s]
/proc/loadavg: 1.91 1.36 1.13 3/82 5231
/proc/meminfo: memFree=945712/2055920 swapFree=4180424/4192956
[pid=5230] ppid=5228 vsize=109368 CPUtime=3.26
/proc/5230/stat : 5230 (casperzao) R 5228 5230 5127 0 -1 4194304 19825 0 0 0 279 47 0 0 25 0 1 0 1996643722 111992832 5292 996147200 134512640 135477443 4294956224 18446744073709551615 135208689 0 0 4096 0 0 0 0 17 1 0 0
/proc/5230/statm: 27342 5292 483 235 0 26043 0
Current children cumulated CPU time (s) 3.26
Current children cumulated vsize (KiB) 109368

Child status: 0
Real time (s): 3.3309
CPU time (s): 3.2935
CPU user time (s): 2.81357
CPU system time (s): 0.479927
CPU usage (%): 98.8773
Max. virtual memory (cumulated for all children) (KiB): 109368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.81357
system time used= 0.479927
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19849
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= 164

runsolver used 0.006998 second user time and 0.015997 second system time

The end

Launcher Data (download as text)

Begin job on node33 at 2008-07-04 15:05:02
IDJOB=1073202
IDBENCH=56326
IDSOLVER=361
FILE ID=node33/1073202-1215176702
PBS_JOBID= 7881554
Free space on /tmp= 66552 MiB

SOLVER NAME= casper zao
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-02-08.xml
COMMAND LINE= HOME/casperzao BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073202-1215176702/watcher-1073202-1215176702 -o /tmp/evaluation-result-1073202-1215176702/solver-1073202-1215176702 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzao HOME/instance-1073202-1215176702.xml 1188569768 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 767efc934a58caf3d4bdbd071f8340d6
RANDOM SEED=1188569768

node33.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		: 3000.231
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		: 3000.231
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:        965784 kB
Buffers:         62872 kB
Cached:         234712 kB
SwapCached:       6444 kB
Active:         891576 kB
Inactive:       128176 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        965784 kB
SwapTotal:     4192956 kB
SwapFree:      4180424 kB
Dirty:            4948 kB
Writeback:           0 kB
Mapped:         738344 kB
Slab:            53964 kB
Committed_AS:  4239924 kB
PageTables:       3412 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= 66552 MiB
End job on node33 at 2008-07-04 15:05:06