Trace number 1063715

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 53.7908 54.0741

DiagnosticValue
CHECKS21423

General information on the benchmark

Namecsp/pseudo/mpsReduced/
normalized-mps-red-ran10x10b.xml
MD5SUM5be72a08ec3eec9a193ba5c4e6721a83
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 benchmark1.35879
Satisfiable
(Un)Satisfiability was proved
Number of variables3100
Number of constraints140
Maximum constraint arity300
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension140
Global constraints used (with number of constraints)

Solver Data (download as text)

0.18/0.23	c [ This is CaSPERzao (C) mvc@di.fct.unl.pt ]
0.18/0.23	c Parsing = 1
0.18/0.27	c Building = 1
0.28/0.32	c [ NumberOfVariables = 3100 ]
0.28/0.32	c [ NumberOfConstraints = 140 ]
0.28/0.32	c [ SizeOfSearchSpace(log2) = 1630 ]
0.28/0.32	c SymmetrySearch = 1
3.86/3.94	c [ Found 1.55618 symmetries ]
3.96/4.03	c InitialPropagation = 1
4.26/4.37	c [ SizeOfSearchSpace(log2) = 1630 ]
4.26/4.37	c InitialSAC = (Timeout)
36.69/36.99	c [ SizeOfSearchSpace(log2) = 1220 ]
36.69/36.99	c Search(DomWDeg) = 1
53.71/54.06	s SATISFIABLE
53.71/54.06	v 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 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 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 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 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 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53.71/54.06	d CHECKS 21423
53.71/54.06	c [ TotalFails = 199 ]
53.71/54.06	c [ NumberOfRestarts = 2 ]
53.71/54.06	c [ TotalTime = 50.1995 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-1063715-1215138565/watcher-1063715-1215138565 -o /tmp/evaluation-result-1063715-1215138565/solver-1063715-1215138565 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzao HOME/instance-1063715-1215138565.xml 1026156281 

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: 1.99 2.00 2.00 4/81 22146
/proc/meminfo: memFree=1718552/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=18572 CPUtime=0
/proc/22146/stat : 22146 (runsolver) R 22144 22146 19454 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 1992825363 19017728 292 996147200 4194304 4296836 548682068480 18446744073709551615 237947645223 0 0 4096 24578 0 0 0 17 1 0 0
/proc/22146/statm: 4643 292 257 25 0 2626 0

[startup+0.061865 s]
/proc/loadavg: 1.99 2.00 2.00 4/81 22146
/proc/meminfo: memFree=1718552/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=8328 CPUtime=0.04
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 1165 0 1 0 4 0 0 0 18 0 1 0 1992825363 8527872 1126 996147200 134512640 135477443 4294956224 18446744073709551615 12387963 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 2082 1128 369 235 0 783 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 8328

[startup+0.101866 s]
/proc/loadavg: 1.99 2.00 2.00 4/81 22146
/proc/meminfo: memFree=1718552/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=11528 CPUtime=0.08
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 1982 0 1 0 7 1 0 0 18 0 1 0 1992825363 11804672 1943 996147200 134512640 135477443 4294956224 18446744073709551615 12420060 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 2882 1943 369 235 0 1583 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11528

[startup+0.301898 s]
/proc/loadavg: 1.99 2.00 2.00 4/81 22146
/proc/meminfo: memFree=1718552/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=112300 CPUtime=0.28
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 4457 0 1 0 26 2 0 0 19 0 1 0 1992825363 114995200 4303 996147200 134512640 135477443 4294956224 18446744073709551615 12387963 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 28075 4303 422 235 0 26776 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 112300

[startup+0.701962 s]
/proc/loadavg: 1.99 2.00 2.00 4/81 22146
/proc/meminfo: memFree=1718552/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117188 CPUtime=0.67
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 5785 0 1 0 65 2 0 0 23 0 1 0 1992825363 120000512 5606 996147200 134512640 135477443 4294956224 18446744073709551615 134535892 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29297 5606 457 235 0 27998 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 117188

[startup+1.50109 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1696912/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117328 CPUtime=1.46
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 5828 0 1 0 144 2 0 0 25 0 1 0 1992825363 120143872 5649 996147200 134512640 135477443 4294956224 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29332 5649 457 235 0 28033 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 117328

[startup+3.10135 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1696784/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117328 CPUtime=3.06
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 5840 0 1 0 303 3 0 0 25 0 1 0 1992825363 120143872 5661 996147200 134512640 135477443 4294956224 18446744073709551615 134539712 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29332 5661 457 235 0 28033 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 117328

[startup+6.30186 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1695696/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117572 CPUtime=6.25
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 8597 0 1 0 621 4 0 0 25 0 1 0 1992825363 120393728 5908 996147200 134512640 135477443 4294956224 18446744073709551615 134673681 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29393 5908 481 235 0 28094 0
Current children cumulated CPU time (s) 6.25
Current children cumulated vsize (KiB) 117572

[startup+12.7019 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1695568/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117572 CPUtime=12.61
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 8598 0 1 0 1257 4 0 0 25 0 1 0 1992825363 120393728 5909 996147200 134512640 135477443 4294956224 18446744073709551615 134585561 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29393 5909 481 235 0 28094 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 117572

[startup+25.5019 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1695632/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117572 CPUtime=25.35
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 8602 0 1 0 2531 4 0 0 25 0 1 0 1992825363 120393728 5913 996147200 134512640 135477443 4294956224 18446744073709551615 134942129 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29393 5913 481 235 0 28094 0
Current children cumulated CPU time (s) 25.35
Current children cumulated vsize (KiB) 117572

[startup+51.1011 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1695312/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117572 CPUtime=50.83
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 8751 0 1 0 5078 5 0 0 25 0 1 0 1992825363 120393728 6062 996147200 134512640 135477443 4294956224 18446744073709551615 134673681 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29393 6062 518 235 0 28094 0
Current children cumulated CPU time (s) 50.83
Current children cumulated vsize (KiB) 117572

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

[startup+52.7013 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1695312/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117572 CPUtime=52.42
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 8758 0 1 0 5237 5 0 0 25 0 1 0 1992825363 120393728 6069 996147200 134512640 135477443 4294956224 18446744073709551615 134673677 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29393 6069 518 235 0 28094 0
Current children cumulated CPU time (s) 52.42
Current children cumulated vsize (KiB) 117572

[startup+53.5014 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1695312/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117572 CPUtime=53.22
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 8762 0 1 0 5317 5 0 0 25 0 1 0 1992825363 120393728 6073 996147200 134512640 135477443 4294956224 18446744073709551615 134673681 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29393 6073 518 235 0 28094 0
Current children cumulated CPU time (s) 53.22
Current children cumulated vsize (KiB) 117572

[startup+53.9055 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1695248/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117572 CPUtime=53.62
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 8763 0 1 0 5357 5 0 0 25 0 1 0 1992825363 120393728 6074 996147200 134512640 135477443 4294956224 18446744073709551615 134586012 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29393 6074 518 235 0 28094 0
Current children cumulated CPU time (s) 53.62
Current children cumulated vsize (KiB) 117572

[startup+54.0015 s]
/proc/loadavg: 1.99 2.00 2.00 3/82 22147
/proc/meminfo: memFree=1695248/2055920 swapFree=4179736/4192956
[pid=22146] ppid=22144 vsize=117572 CPUtime=53.71
/proc/22146/stat : 22146 (casperzao) R 22144 22146 19454 0 -1 4194304 8763 0 1 0 5366 5 0 0 25 0 1 0 1992825363 120393728 6074 996147200 134512640 135477443 4294956224 18446744073709551615 134586012 0 0 4096 0 0 0 0 17 1 0 0
/proc/22146/statm: 29393 6074 518 235 0 28094 0
Current children cumulated CPU time (s) 53.71
Current children cumulated vsize (KiB) 117572

Child status: 0
Real time (s): 54.0741
CPU time (s): 53.7908
CPU user time (s): 53.7348
CPU system time (s): 0.055991
CPU usage (%): 99.4762
Max. virtual memory (cumulated for all children) (KiB): 127664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 53.7348
system time used= 0.055991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8765
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 25
involuntary context switches= 1721

runsolver used 0.06099 second user time and 0.148977 second system time

The end

Launcher Data (download as text)

Begin job on node69 at 2008-07-04 04:29:25
IDJOB=1063715
IDBENCH=54831
IDSOLVER=361
FILE ID=node69/1063715-1215138565
PBS_JOBID= 7877281
Free space on /tmp= 66552 MiB

SOLVER NAME= casper zao
BENCH NAME= CPAI08/csp/pseudo/mpsReduced/normalized-mps-red-ran10x10b.xml
COMMAND LINE= HOME/casperzao BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1063715-1215138565/watcher-1063715-1215138565 -o /tmp/evaluation-result-1063715-1215138565/solver-1063715-1215138565 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzao HOME/instance-1063715-1215138565.xml 1026156281 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 5be72a08ec3eec9a193ba5c4e6721a83
RANDOM SEED=1026156281

node69.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		: 3000.259
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		: 3000.259
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:       1719032 kB
Buffers:          6388 kB
Cached:          91148 kB
SwapCached:       7048 kB
Active:         227736 kB
Inactive:        51300 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1719032 kB
SwapTotal:     4192956 kB
SwapFree:      4179736 kB
Dirty:            3448 kB
Writeback:           0 kB
Mapped:         197828 kB
Slab:            42584 kB
Committed_AS:  4605504 kB
PageTables:       2312 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 node69 at 2008-07-04 04:30:19