Trace number 1063708

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
bpsolver 2008-06-27SAT 1.35879 1.4157

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)

0.00/0.02	c bpsolver version 6.27.2008
0.00/0.02	c converting(HOME/instance-1063708-1215138543)
1.08/1.13	c Converted in 459 ms
1.08/1.13	c solving(HOME/instance-1063708-1215138543,1800000)
1.28/1.32	c (ffc_inout)
1.28/1.32	s SATISFIABLE
1.28/1.32	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 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 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1.34/1.41	
1.34/1.41	c Time=216 ms
1.34/1.41

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-1063708-1215138543/watcher-1063708-1215138543 -o /tmp/evaluation-result-1063708-1215138543/solver-1063708-1215138543 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/solver HOME/instance-1063708-1215138543 1800 

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: 2.64 2.16 2.05 4/81 5440
/proc/meminfo: memFree=1619616/2055920 swapFree=4179968/4192956
[pid=5440] ppid=5438 vsize=5356 CPUtime=0
/proc/5440/stat : 5440 (sh) R 5438 5440 3398 0 -1 4194304 264 0 0 0 0 0 0 0 20 0 1 0 1992829149 5484544 231 996147200 4194304 4889804 548682068864 18446744073709551615 262909891297 0 0 4100 65536 0 0 0 17 1 0 0
/proc/5440/statm: 1339 231 192 169 0 50 0

[startup+0.043514 s]
/proc/loadavg: 2.64 2.16 2.05 4/81 5440
/proc/meminfo: memFree=1619616/2055920 swapFree=4179968/4192956
[pid=5440] ppid=5438 vsize=56080 CPUtime=0.03
/proc/5440/stat : 5440 (bprolog) R 5438 5440 3398 0 -1 4194304 1120 0 0 0 2 1 0 0 20 0 1 0 1992829149 57425920 833 996147200 134512640 134990860 4294956112 18446744073709551615 134559379 0 0 4096 2 0 0 0 17 1 0 0
/proc/5440/statm: 14020 833 174 116 0 13531 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 56080

[startup+0.10152 s]
/proc/loadavg: 2.64 2.16 2.05 4/81 5440
/proc/meminfo: memFree=1619616/2055920 swapFree=4179968/4192956
[pid=5440] ppid=5438 vsize=56080 CPUtime=0.09
/proc/5440/stat : 5440 (bprolog) R 5438 5440 3398 0 -1 4194304 1252 0 0 0 5 4 0 0 20 0 1 0 1992829149 57425920 965 996147200 134512640 134990860 4294956112 18446744073709551615 134668552 0 0 4096 2 0 0 0 17 1 0 0
/proc/5440/statm: 14020 965 174 116 0 13531 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 56080

[startup+0.301546 s]
/proc/loadavg: 2.64 2.16 2.05 4/81 5440
/proc/meminfo: memFree=1619616/2055920 swapFree=4179968/4192956
[pid=5440] ppid=5438 vsize=64064 CPUtime=0.28
/proc/5440/stat : 5440 (bprolog) R 5438 5440 3398 0 -1 4194304 1561 0 0 0 14 14 0 0 21 0 1 0 1992829149 65601536 1274 996147200 134512640 134990860 4294956112 18446744073709551615 8390280 0 0 4096 2 0 0 0 17 1 0 0
/proc/5440/statm: 16016 1274 178 116 0 15527 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 64064

[startup+0.701596 s]
/proc/loadavg: 2.64 2.16 2.05 4/81 5440
/proc/meminfo: memFree=1619616/2055920 swapFree=4179968/4192956
[pid=5440] ppid=5438 vsize=64072 CPUtime=0.68
/proc/5440/stat : 5440 (bprolog) R 5438 5440 3398 0 -1 4194304 1604 0 0 0 29 39 0 0 25 0 1 0 1992829149 65609728 1317 996147200 134512640 134990860 4294956112 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/5440/statm: 16018 1317 178 116 0 15529 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 64072

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

[startup+1.10664 s]
/proc/loadavg: 2.64 2.16 2.05 3/82 5441
/proc/meminfo: memFree=1614680/2055920 swapFree=4179968/4192956
[pid=5440] ppid=5438 vsize=64072 CPUtime=1.08
/proc/5440/stat : 5440 (bprolog) R 5438 5440 3398 0 -1 4194304 1604 0 0 0 46 62 0 0 25 0 1 0 1992829149 65609728 1317 996147200 134512640 134990860 4294956112 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/5440/statm: 16018 1317 178 116 0 15529 0
Current children cumulated CPU time (s) 1.08
Current children cumulated vsize (KiB) 64072

[startup+1.30167 s]
/proc/loadavg: 2.64 2.16 2.05 3/82 5441
/proc/meminfo: memFree=1614680/2055920 swapFree=4179968/4192956
[pid=5440] ppid=5438 vsize=64064 CPUtime=1.28
/proc/5440/stat : 5440 (bprolog) R 5438 5440 3398 0 -1 4194304 2453 0 0 0 63 65 0 0 25 0 1 0 1992829149 65601536 2163 996147200 134512640 134990860 4294956112 18446744073709551615 134572800 0 0 4096 2 0 0 0 17 1 0 0
/proc/5440/statm: 16016 2163 199 116 0 15527 0
Current children cumulated CPU time (s) 1.28
Current children cumulated vsize (KiB) 64064

[startup+1.40167 s]
/proc/loadavg: 2.64 2.16 2.05 3/82 5441
/proc/meminfo: memFree=1614680/2055920 swapFree=4179968/4192956
[pid=5440] ppid=5438 vsize=74308 CPUtime=1.34
/proc/5440/stat : 5440 (bprolog) R 5438 5440 3398 0 -1 4194304 2664 0 0 0 68 66 0 0 25 0 2 0 1992829149 76091392 2374 996147200 134512640 134990860 4294956112 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/5440/statm: 18577 2374 206 116 0 18088 0
Current children cumulated CPU time (s) 1.34
Current children cumulated vsize (KiB) 74308

Child status: 0
Real time (s): 1.4157
CPU time (s): 1.35879
CPU user time (s): 0.687895
CPU system time (s): 0.670898
CPU usage (%): 95.9805
Max. virtual memory (cumulated for all children) (KiB): 74308

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.687895
system time used= 0.670898
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2664
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= 5
involuntary context switches= 3183

runsolver used 0.010998 second user time and 0.038994 second system time

The end

Launcher Data (download as text)

Begin job on node11 at 2008-07-04 04:29:03
IDJOB=1063708
IDBENCH=54831
IDSOLVER=347
FILE ID=node11/1063708-1215138543
PBS_JOBID= 7877242
Free space on /tmp= 66552 MiB

SOLVER NAME= bpsolver 2008-06-27
BENCH NAME= CPAI08/csp/pseudo/mpsReduced/normalized-mps-red-ran10x10b.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1063708-1215138543/watcher-1063708-1215138543 -o /tmp/evaluation-result-1063708-1215138543/solver-1063708-1215138543 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/solver HOME/instance-1063708-1215138543 1800

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 5be72a08ec3eec9a193ba5c4e6721a83
RANDOM SEED=28371690

node11.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		: 3000.224
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		: 3000.224
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:       1620352 kB
Buffers:          5740 kB
Cached:          65848 kB
SwapCached:       7428 kB
Active:         328960 kB
Inactive:        50604 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1620352 kB
SwapTotal:     4192956 kB
SwapFree:      4179968 kB
Dirty:            2544 kB
Writeback:           0 kB
Mapped:         324144 kB
Slab:            40688 kB
Committed_AS:  3957688 kB
PageTables:       2512 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= 66548 MiB
End job on node11 at 2008-07-04 04:29:05