Trace number 1048875

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 8.5197 8.60504

DiagnosticValue
CHECKS6664050

General information on the benchmark

Namecsp/pseudo/ssa/
normalized-ssa-7552-038.xml
MD5SUMdb4b985699d9ef758bcb0bbb01d6b217
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 benchmark0.335948
Satisfiable
(Un)Satisfiability was proved
Number of variables3002
Number of constraints5072
Maximum constraint arity6
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension5072
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.20	c [ This is CaSPERzao (C) mvc@di.fct.unl.pt ]
0.00/0.20	c Parsing = 1
0.00/0.20	c Building = 1
0.38/0.46	c [ NumberOfVariables = 3002 ]
0.38/0.46	c [ NumberOfConstraints = 5072 ]
0.38/0.46	c [ SizeOfSearchSpace(log2) = 2922 ]
0.38/0.46	c SymmetrySearch = 1
1.17/1.25	c [ Found 2.48394e+184 symmetries ]
1.27/1.33	c InitialPropagation = 1
1.27/1.34	c [ SizeOfSearchSpace(log2) = 2922 ]
1.27/1.34	c InitialSAC = 1
8.01/8.14	c [ SizeOfSearchSpace(log2) = 2724 ]
8.01/8.15	c Search(SampleFF) : 
8.41/8.60	c [ Sampling domwdeg ]
8.41/8.60	c Search(SampleFF) = 1
8.41/8.60	s SATISFIABLE
8.51/8.60	v 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 0 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 0 0 0 0 1 1 0 0 1 0 0 1 0 0 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 0 0 1 0 1 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 1 0 1 1 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 1 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 0 1 1 0 0 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 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1 0 1 0 0 1 1 0
8.51/8.60	d CHECKS 6664053
8.51/8.60	c [ TotalFails = 392 ]
8.51/8.60	c [ NumberOfRestarts = 2 ]
8.51/8.60	c [ TotalTime = 7.84483 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-1048875-1215044198/watcher-1048875-1215044198 -o /tmp/evaluation-result-1048875-1215044198/solver-1048875-1215044198 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzao HOME/instance-1048875-1215044198.xml 348628559 

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 1.95 4/81 14955
/proc/meminfo: memFree=1792544/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=18572 CPUtime=0
/proc/14955/stat : 14955 (runsolver) R 14953 14955 13871 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 1534096064 19017728 292 996147200 4194304 4296836 548682068480 18446744073709551615 215418989863 0 0 4096 24578 0 0 0 17 1 0 0
/proc/14955/statm: 4643 292 257 25 0 2626 0

[startup+0.208912 s]
/proc/loadavg: 2.00 2.00 1.95 4/81 14955
/proc/meminfo: memFree=1792544/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=101312 CPUtime=0.19
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 1536 0 0 0 18 1 0 0 19 0 1 0 1534096064 103743488 1329 996147200 134512640 135477443 4294956240 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 25328 1329 421 235 0 24029 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 101312

[startup+0.301734 s]
/proc/loadavg: 2.00 2.00 1.95 4/81 14955
/proc/meminfo: memFree=1792544/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=101312 CPUtime=0.28
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 3508 0 0 0 21 7 0 0 19 0 1 0 1534096064 103743488 1445 996147200 134512640 135477443 4294956240 18446744073709551615 135269084 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 25328 1445 421 235 0 24029 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 101312

[startup+0.401755 s]
/proc/loadavg: 2.00 2.00 1.95 4/81 14955
/proc/meminfo: memFree=1792544/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=101700 CPUtime=0.38
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 5622 0 0 0 24 14 0 0 20 0 1 0 1534096064 104140800 1661 996147200 134512640 135477443 4294956240 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 25425 1661 421 235 0 24126 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 101700

[startup+0.701809 s]
/proc/loadavg: 2.00 2.00 1.95 4/81 14955
/proc/meminfo: memFree=1792544/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=106240 CPUtime=0.68
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 7813 0 0 0 51 17 0 0 23 0 1 0 1534096064 108789760 2691 996147200 134512640 135477443 4294956240 18446744073709551615 134538238 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26560 2691 456 235 0 25261 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 106240

[startup+1.50197 s]
/proc/loadavg: 2.00 2.00 1.95 3/82 14956
/proc/meminfo: memFree=1782936/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=105744 CPUtime=1.46
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 10252 0 0 0 128 18 0 0 25 0 1 0 1534096064 108281856 2740 996147200 134512640 135477443 4294956240 18446744073709551615 134673681 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26436 2740 480 235 0 25137 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 105744

[startup+3.10127 s]
/proc/loadavg: 2.00 2.00 1.95 3/82 14956
/proc/meminfo: memFree=1783128/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=105744 CPUtime=3.06
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 10275 0 0 0 287 19 0 0 25 0 1 0 1534096064 108281856 2763 996147200 134512640 135477443 4294956240 18446744073709551615 134879857 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26436 2763 480 235 0 25137 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 105744

[startup+6.30188 s]
/proc/loadavg: 2.00 2.00 1.95 3/82 14956
/proc/meminfo: memFree=1782808/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=105744 CPUtime=6.23
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 10314 0 0 0 604 19 0 0 25 0 1 0 1534096064 108281856 2802 996147200 134512640 135477443 4294956240 18446744073709551615 134586854 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26436 2802 480 235 0 25137 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 105744

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

[startup+6.50192 s]
/proc/loadavg: 2.00 2.00 1.95 3/82 14956
/proc/meminfo: memFree=1782808/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=105744 CPUtime=6.43
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 10315 0 0 0 624 19 0 0 25 0 1 0 1534096064 108281856 2803 996147200 134512640 135477443 4294956240 18446744073709551615 134586264 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26436 2803 480 235 0 25137 0
Current children cumulated CPU time (s) 6.43
Current children cumulated vsize (KiB) 105744

[startup+7.30108 s]
/proc/loadavg: 2.00 2.00 1.95 3/82 14956
/proc/meminfo: memFree=1782808/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=105744 CPUtime=7.22
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 10323 0 0 0 703 19 0 0 25 0 1 0 1534096064 108281856 2811 996147200 134512640 135477443 4294956240 18446744073709551615 134879573 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26436 2811 480 235 0 25137 0
Current children cumulated CPU time (s) 7.22
Current children cumulated vsize (KiB) 105744

[startup+8.10123 s]
/proc/loadavg: 2.00 2.00 1.95 3/82 14956
/proc/meminfo: memFree=1782872/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=105744 CPUtime=8.01
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 10328 0 0 0 782 19 0 0 25 0 1 0 1534096064 108281856 2816 996147200 134512640 135477443 4294956240 18446744073709551615 134583601 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26436 2816 480 235 0 25137 0
Current children cumulated CPU time (s) 8.01
Current children cumulated vsize (KiB) 105744

[startup+8.50132 s]
/proc/loadavg: 2.00 2.00 1.95 3/82 14956
/proc/meminfo: memFree=1782872/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=105744 CPUtime=8.41
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 10410 0 0 0 822 19 0 0 25 0 1 0 1534096064 108281856 2898 996147200 134512640 135477443 4294956240 18446744073709551615 134583584 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26436 2898 499 235 0 25137 0
Current children cumulated CPU time (s) 8.41
Current children cumulated vsize (KiB) 105744

[startup+8.60133 s]
/proc/loadavg: 2.00 2.00 1.95 3/82 14956
/proc/meminfo: memFree=1782872/2055920 swapFree=4113744/4192956
[pid=14955] ppid=14953 vsize=105744 CPUtime=8.51
/proc/14955/stat : 14955 (casperzao) R 14953 14955 13871 0 -1 4194304 10434 0 0 0 832 19 0 0 25 0 1 0 1534096064 108281856 2922 996147200 134512640 135477443 4294956240 18446744073709551615 134719623 0 0 4096 0 0 0 0 17 1 0 0
/proc/14955/statm: 26436 2922 499 235 0 25137 0
Current children cumulated CPU time (s) 8.51
Current children cumulated vsize (KiB) 105744

Child status: 0
Real time (s): 8.60504
CPU time (s): 8.5197
CPU user time (s): 8.32473
CPU system time (s): 0.19497
CPU usage (%): 99.0083
Max. virtual memory (cumulated for all children) (KiB): 115344

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.32473
system time used= 0.19497
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10436
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= 375

runsolver used 0.012998 second user time and 0.029995 second system time

The end

Launcher Data (download as text)

Begin job on node9 at 2008-07-03 02:16:38
IDJOB=1048875
IDBENCH=54520
IDSOLVER=361
FILE ID=node9/1048875-1215044198
PBS_JOBID= 7875156
Free space on /tmp= 66536 MiB

SOLVER NAME= casper zao
BENCH NAME= CPAI08/csp/pseudo/ssa/normalized-ssa-7552-038.xml
COMMAND LINE= HOME/casperzao BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1048875-1215044198/watcher-1048875-1215044198 -o /tmp/evaluation-result-1048875-1215044198/solver-1048875-1215044198 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzao HOME/instance-1048875-1215044198.xml 348628559 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= db4b985699d9ef758bcb0bbb01d6b217
RANDOM SEED=348628559

node9.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		: 3000.265
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	: 5931.00
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		: 3000.265
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:       1793024 kB
Buffers:          5984 kB
Cached:          84504 kB
SwapCached:      72848 kB
Active:         189468 kB
Inactive:        17692 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1793024 kB
SwapTotal:     4192956 kB
SwapFree:      4113744 kB
Dirty:            3616 kB
Writeback:           0 kB
Mapped:         132924 kB
Slab:            40596 kB
Committed_AS:  2909516 kB
PageTables:       2104 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= 66536 MiB
End job on node9 at 2008-07-03 02:16:47