Trace number 1073203

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 zitoSAT 2.65859 2.68663

DiagnosticValue
CHECKS2907560

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)

0.19/0.21	c [ This is CaSPERzito (C) mvc@di.fct.unl.pt ]
0.19/0.21	c Parsing = 1
0.49/0.51	c Building = 1
0.49/0.57	c [ NumberOfVariables = 2810 ]
0.49/0.57	c [ NumberOfConstraints = 14493 ]
0.49/0.57	c [ SizeOfSearchSpace(log2) = 8430 ]
0.49/0.57	c SymmetrySearch = (GraphHasLoops)
0.58/0.62	c InitialPropagation = 1
0.58/0.65	c [ SizeOfSearchSpace(log2) = 2241 ]
0.58/0.65	c InitialSAC = 1
2.07/2.19	c [ SizeOfSearchSpace(log2) = 2228 ]
2.07/2.19	c Search(SampleFF) : 
2.56/2.68	c [ Sampling domwdeg ]
2.56/2.68	c Search(SampleFF) = 1
2.56/2.68	s SATISFIABLE
2.56/2.68	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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2.56/2.68	d CHECKS 2907555
2.56/2.68	c [ TotalFails = 1 ]
2.56/2.68	c [ NumberOfRestarts = 0 ]
2.56/2.68	c [ TotalTime = 2.0233 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-1073203-1215176704/watcher-1073203-1215176704 -o /tmp/evaluation-result-1073203-1215176704/solver-1073203-1215176704 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzito HOME/instance-1073203-1215176704.xml 1852185310 

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: 2.07 2.02 1.98 4/72 20035
/proc/meminfo: memFree=1741208/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=1052 CPUtime=0
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 40 0 0 0 0 0 0 0 19 0 1 0 1996644992 1077248 26 996147200 134512640 135472138 4294956224 18446744073709551615 7205668 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 263 26 20 234 0 3 0

[startup+0.103898 s]
/proc/loadavg: 2.07 2.02 1.98 4/72 20035
/proc/meminfo: memFree=1741208/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=6680 CPUtime=0.09
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 779 0 0 0 9 0 0 0 18 0 1 0 1996644992 6840320 739 996147200 134512640 135472138 4294956224 18446744073709551615 4160172329 0 0 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 1670 739 368 234 0 372 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6680

[startup+0.202871 s]
/proc/loadavg: 2.07 2.02 1.98 4/72 20035
/proc/meminfo: memFree=1741208/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=7604 CPUtime=0.19
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 1021 0 0 0 19 0 0 0 18 0 1 0 1996644992 7786496 981 996147200 134512640 135472138 4294956224 18446744073709551615 4158766155 0 0 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 1901 981 368 234 0 603 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7604

[startup+0.302841 s]
/proc/loadavg: 2.07 2.02 1.98 4/72 20035
/proc/meminfo: memFree=1741208/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=8528 CPUtime=0.28
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 1257 0 0 0 28 0 0 0 19 0 1 0 1996644992 8732672 1217 996147200 134512640 135472138 4294956224 18446744073709551615 134768132 0 0 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 2132 1217 368 234 0 834 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8528

[startup+0.702742 s]
/proc/loadavg: 2.07 2.02 1.98 4/72 20035
/proc/meminfo: memFree=1741208/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=109416 CPUtime=0.68
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 5163 0 0 0 66 2 0 0 23 0 1 0 1996644992 112041984 5123 996147200 134512640 135472138 4294956224 18446744073709551615 135264406 0 0 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 27354 5123 458 234 0 26056 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 109416

[startup+1.50154 s]
/proc/loadavg: 2.07 2.02 1.98 3/73 20036
/proc/meminfo: memFree=1722384/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=109416 CPUtime=1.47
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 5191 0 0 0 145 2 0 0 25 0 1 0 1996644992 112041984 5151 996147200 134512640 135472138 4294956224 18446744073709551615 135264253 0 0 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 27354 5151 458 234 0 26056 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 109416

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

[startup+1.60151 s]
/proc/loadavg: 2.07 2.02 1.98 3/73 20036
/proc/meminfo: memFree=1722384/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=109416 CPUtime=1.57
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 5195 0 0 0 155 2 0 0 25 0 1 0 1996644992 112041984 5155 996147200 134512640 135472138 4294956224 18446744073709551615 135262721 0 0 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 27354 5155 458 234 0 26056 0
Current children cumulated CPU time (s) 1.57
Current children cumulated vsize (KiB) 109416

[startup+2.4013 s]
/proc/loadavg: 2.07 2.02 1.98 3/73 20036
/proc/meminfo: memFree=1721872/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=109416 CPUtime=2.36
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 5287 0 0 0 234 2 0 0 25 0 1 0 1996644992 112041984 5247 996147200 134512640 135472138 4294956224 18446744073709551615 135202774 0 0 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 27354 5247 471 234 0 26056 0
Current children cumulated CPU time (s) 2.36
Current children cumulated vsize (KiB) 109416

[startup+2.60125 s]
/proc/loadavg: 2.07 2.02 1.98 3/73 20036
/proc/meminfo: memFree=1721872/2055920 swapFree=4180112/4192956
[pid=20035] ppid=20033 vsize=109416 CPUtime=2.56
/proc/20035/stat : 20035 (casperzito) R 20033 20035 19527 0 -1 4194304 5305 0 0 0 254 2 0 0 25 0 1 0 1996644992 112041984 5265 996147200 134512640 135472138 4294956224 18446744073709551615 135202748 0 0 4096 0 0 0 0 17 1 0 0
/proc/20035/statm: 27354 5265 471 234 0 26056 0
Current children cumulated CPU time (s) 2.56
Current children cumulated vsize (KiB) 109416

Child status: 0
Real time (s): 2.68663
CPU time (s): 2.65859
CPU user time (s): 2.6256
CPU system time (s): 0.032994
CPU usage (%): 98.9564
Max. virtual memory (cumulated for all children) (KiB): 109416

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.6256
system time used= 0.032994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5343
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= 85

runsolver used 0.007998 second user time and 0.010998 second system time

The end

Launcher Data (download as text)

Begin job on node16 at 2008-07-04 15:05:04
IDJOB=1073203
IDBENCH=56326
IDSOLVER=362
FILE ID=node16/1073203-1215176704
PBS_JOBID= 7881533
Free space on /tmp= 66556 MiB

SOLVER NAME= casper zito
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-02-08.xml
COMMAND LINE= HOME/casperzito BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073203-1215176704/watcher-1073203-1215176704 -o /tmp/evaluation-result-1073203-1215176704/solver-1073203-1215176704 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzito HOME/instance-1073203-1215176704.xml 1852185310 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 767efc934a58caf3d4bdbd071f8340d6
RANDOM SEED=1852185310

node16.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		: 3000.213
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:       1741688 kB
Buffers:         53632 kB
Cached:         173460 kB
SwapCached:       7100 kB
Active:         159276 kB
Inactive:       101056 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1741688 kB
SwapTotal:     4192956 kB
SwapFree:      4180112 kB
Dirty:            5160 kB
Writeback:           0 kB
Mapped:          40492 kB
Slab:            39004 kB
Committed_AS:  3530860 kB
PageTables:       2008 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 node16 at 2008-07-04 15:05:07