Trace number 1084200

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 19.0561 19.0647

DiagnosticValue
CHECKS24541300

General information on the benchmark

Namecsp/domino/
normalized-domino-2000-2000.xml
MD5SUM91e910ef7cc4700f82e138dd14bf3e96
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.12698
Satisfiable
(Un)Satisfiability was proved
Number of variables2000
Number of constraints2000
Maximum constraint arity2
Maximum domain size2000
Number of constraints which are defined in extension0
Number of constraints which are defined in intension2000
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.00	c [ This is CaSPERzao (C) mvc@di.fct.unl.pt ]
0.00/0.00	c Parsing = 1
0.06/0.07	c Building = 1
4.89/4.99	c [ NumberOfVariables = 2000 ]
4.89/4.99	c [ NumberOfConstraints = 2000 ]
4.89/4.99	c [ SizeOfSearchSpace(log2) = 21931.6 ]
4.89/4.99	c SymmetrySearch = 1
4.99/5.01	c InitialPropagation = 1
4.99/5.01	c [ SizeOfSearchSpace(log2) = 21931.6 ]
4.99/5.01	c InitialSAC = 1
18.98/19.02	c [ SizeOfSearchSpace(log2) = 0 ]
18.98/19.02	c Search(SampleFF) : 
18.98/19.02	c [ Sampling domwdeg ]
18.98/19.02	c Search(SampleFF) = 1
18.98/19.02	s SATISFIABLE
18.98/19.02	v 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 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1999 1999 1999
18.98/19.02	d CHECKS 24541264
18.98/19.02	c [ TotalFails = 0 ]
18.98/19.02	c [ NumberOfRestarts = 0 ]
18.98/19.02	c [ TotalTime = 18.9478 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-1084200-1215230203/watcher-1084200-1215230203 -o /tmp/evaluation-result-1084200-1215230203/solver-1084200-1215230203 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzao HOME/instance-1084200-1215230203.xml 2060533946 

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 4/81 1519
/proc/meminfo: memFree=1485392/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=5352 CPUtime=0
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 215 0 0 0 0 0 0 0 18 0 1 0 635276013 5480448 190 996147200 134512640 135477443 4294956224 18446744073709551615 1575800 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 1338 190 156 235 0 27 0

[startup+0.0708659 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 1519
/proc/meminfo: memFree=1485392/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=6232 CPUtime=0.06
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 659 0 0 0 6 0 0 0 18 0 1 0 635276013 6381568 619 996147200 134512640 135477443 4294956224 18446744073709551615 2041467 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 1558 619 370 235 0 259 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 6232

[startup+0.10187 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 1519
/proc/meminfo: memFree=1485392/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288164 CPUtime=0.09
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 1441 0 0 0 9 0 0 0 18 0 1 0 635276013 295079936 1112 996147200 134512640 135477443 4294956224 18446744073709551615 135218877 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72041 1113 457 235 0 70742 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 288164

[startup+0.301892 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 1519
/proc/meminfo: memFree=1485392/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=295832 CPUtime=0.29
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 6321 0 0 0 27 2 0 0 19 0 1 0 635276013 302931968 3040 996147200 134512640 135477443 4294956224 18446744073709551615 135268706 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 73958 3041 457 235 0 72659 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 295832

[startup+0.701934 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 1519
/proc/meminfo: memFree=1485392/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=311296 CPUtime=0.69
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 16037 0 0 0 62 7 0 0 23 0 1 0 635276013 318767104 6889 996147200 134512640 135477443 4294956224 18446744073709551615 135268721 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 77824 6889 457 235 0 76525 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 311296

[startup+1.50203 s]
/proc/loadavg: 1.92 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1448008/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=341964 CPUtime=1.48
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 35434 0 0 0 132 16 0 0 25 0 1 0 635276013 350171136 14585 996147200 134512640 135477443 4294956224 18446744073709551615 135258730 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 85491 14586 457 235 0 84192 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 341964

[startup+3.1022 s]
/proc/loadavg: 1.92 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1405512/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=403428 CPUtime=3.09
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 74258 0 0 0 277 32 0 0 25 0 1 0 635276013 413110272 29973 996147200 134512640 135477443 4294956224 18446744073709551615 135268706 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 100857 29973 457 235 0 99558 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 403428

[startup+6.30156 s]
/proc/loadavg: 1.93 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1293448/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288668 CPUtime=6.29
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 120517 0 0 0 577 52 0 0 25 0 1 0 635276013 295596032 48347 996147200 134512640 135477443 4294956224 18446744073709551615 135223752 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72167 48347 500 235 0 70868 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 288668

[startup+12.7013 s]
/proc/loadavg: 1.93 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1291848/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288668 CPUtime=12.68
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 120921 0 0 0 1216 52 0 0 25 0 1 0 635276013 295596032 48751 996147200 134512640 135477443 4294956224 18446744073709551615 135272338 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72167 48751 500 235 0 70868 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 288668

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

[startup+15.9016 s]
/proc/loadavg: 1.94 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1290568/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288668 CPUtime=15.88
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 122078 0 0 0 1535 53 0 0 25 0 1 0 635276013 295596032 49908 996147200 134512640 135477443 4294956224 18446744073709551615 135268506 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72167 49908 500 235 0 70868 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 288668

[startup+17.5018 s]
/proc/loadavg: 1.94 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1286472/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288668 CPUtime=17.49
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 122218 0 0 0 1695 54 0 0 25 0 1 0 635276013 295596032 50048 996147200 134512640 135477443 4294956224 18446744073709551615 135268945 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72167 50048 500 235 0 70868 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 288668

[startup+18.3019 s]
/proc/loadavg: 1.94 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1286472/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288668 CPUtime=18.28
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 123039 0 0 0 1774 54 0 0 25 0 1 0 635276013 295596032 50869 996147200 134512640 135477443 4294956224 18446744073709551615 135270302 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72167 50870 500 235 0 70868 0
Current children cumulated CPU time (s) 18.28
Current children cumulated vsize (KiB) 288668

[startup+18.707 s]
/proc/loadavg: 1.94 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1269000/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288668 CPUtime=18.69
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 127823 0 0 0 1813 56 0 0 25 0 1 0 635276013 295596032 55653 996147200 134512640 135477443 4294956224 18446744073709551615 135270302 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72167 55654 500 235 0 70868 0
Current children cumulated CPU time (s) 18.69
Current children cumulated vsize (KiB) 288668

[startup+18.902 s]
/proc/loadavg: 1.94 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1269000/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288668 CPUtime=18.89
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 130209 0 0 0 1832 57 0 0 25 0 1 0 635276013 295596032 58039 996147200 134512640 135477443 4294956224 18446744073709551615 135270319 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72167 58040 500 235 0 70868 0
Current children cumulated CPU time (s) 18.89
Current children cumulated vsize (KiB) 288668

[startup+19.003 s]
/proc/loadavg: 1.94 1.98 1.99 3/82 1520
/proc/meminfo: memFree=1269000/2055920 swapFree=4179368/4192956
[pid=1519] ppid=1517 vsize=288668 CPUtime=18.98
/proc/1519/stat : 1519 (casperzao) R 1517 1519 31061 0 -1 4194304 131479 0 0 0 1841 57 0 0 25 0 1 0 635276013 295596032 59309 996147200 134512640 135477443 4294956224 18446744073709551615 135270302 0 0 4096 0 0 0 0 17 1 0 0
/proc/1519/statm: 72167 59309 500 235 0 70868 0
Current children cumulated CPU time (s) 18.98
Current children cumulated vsize (KiB) 288668

Child status: 0
Real time (s): 19.0647
CPU time (s): 19.0561
CPU user time (s): 18.4392
CPU system time (s): 0.616906
CPU usage (%): 99.9551
Max. virtual memory (cumulated for all children) (KiB): 472556

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 18.4392
system time used= 0.616906
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 131799
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= 52

runsolver used 0.018997 second user time and 0.06099 second system time

The end

Launcher Data (download as text)

Begin job on node87 at 2008-07-05 05:56:43
IDJOB=1084200
IDBENCH=57536
IDSOLVER=361
FILE ID=node87/1084200-1215230203
PBS_JOBID= 7881747
Free space on /tmp= 66480 MiB

SOLVER NAME= casper zao
BENCH NAME= CPAI08/csp/domino/normalized-domino-2000-2000.xml
COMMAND LINE= HOME/casperzao BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1084200-1215230203/watcher-1084200-1215230203 -o /tmp/evaluation-result-1084200-1215230203/solver-1084200-1215230203 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzao HOME/instance-1084200-1215230203.xml 2060533946 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 91e910ef7cc4700f82e138dd14bf3e96
RANDOM SEED=2060533946

node87.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		: 3000.232
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		: 3000.232
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:       1485872 kB
Buffers:         64180 kB
Cached:         261388 kB
SwapCached:       7632 kB
Active:         344108 kB
Inactive:       174016 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1485872 kB
SwapTotal:     4192956 kB
SwapFree:      4179368 kB
Dirty:            3192 kB
Writeback:           0 kB
Mapped:         208756 kB
Slab:            36744 kB
Committed_AS:  2440264 kB
PageTables:       2236 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264992 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66480 MiB
End job on node87 at 2008-07-05 05:57:03