Trace number 210134

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, and are wall clock time (not CPU 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
CSPtoSAT+minisat 0.3SAT 4.54431 4.54847

General information on the benchmark

NamepseudoSeries/
ssa/ssa-7552-160.xml
MD5SUM1d85dc2cfb5a4927ab06ee6d83fe0c12
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 benchmark0.263958
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2782
Number of constraints4513
Maximum constraint arity5
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4513
Global constraints used (with number of constraints)

Solver Data (download as text)

0.01	c This is CSPtoSAT+minisat version 0.3
0.01	c (c) 2006 roussel@cril.univ-artois.fr
0.01	
0.01	c This solver internally uses a modified version of MiniSat2 version 061112
0.01	c MiniSat -- Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
0.01	
0.01	c parsing...
0.33	c ...done
0.33	c #SATvar=5516 #SATclauses=5464 #CSPpredicates=4513
4.54	Verified 4894 original clauses.
4.54	c SAT problem is solved
4.54	restarts              : 8
4.54	conflicts             : 4146           (915 /sec)
4.54	decisions             : 501903         (1.37 % random) (110763 /sec)
4.54	propagations          : 4821783        (1064103 /sec)
4.54	conflict literals     : 8862           (0.06 % deleted)
4.54	Memory used           : 8.89 MB
4.54	CPU time              : 4.53131 s
4.54	c all predicates checked
4.54	
4.54	s SATISFIABLE
4.54	v 0 1 1 0 0 1 1 0 0 1 0 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 0 1 0 1 1 0 0 1 0 1 0 1 0 0 1 0 0 1 1 0 1 0 0 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 0 0 1 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 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 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 1 1 0 0 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4.54

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node2/watcher-210134-1168062554 -o ROOT/results/node2/solver-210134-1168062554 -C 1800 -M 900 /tmp/evaluation/210134-1168062554/CSPtoSAT+minisat /tmp/evaluation/210134-1168062554/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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
Current StackSize limit: 10240 KiB

/proc/loadavg: 1.72 1.91 1.96 4/86 2026
/proc/meminfo: memFree=789520/2055920 swapFree=4191880/4192956
[pid=2025] ppid=2023 vsize=6696 CPUtime=0
/proc/2025/stat : 2025 (CSPtoSAT+minisa) R 2023 2025 1690 0 -1 4194304 436 0 0 0 0 0 0 0 18 0 1 0 154651384 6856704 415 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 10505080 0 0 4096 0 0 0 0 17 0 0 0
/proc/2025/statm: 1674 415 375 52 0 30 0

[startup+0.104877 s]
/proc/loadavg: 1.72 1.91 1.96 4/86 2026
/proc/meminfo: memFree=789520/2055920 swapFree=4191880/4192956
[pid=2025] ppid=2023 vsize=8184 CPUtime=0.09
/proc/2025/stat : 2025 (CSPtoSAT+minisa) R 2023 2025 1690 0 -1 4194304 1127 0 0 0 9 0 0 0 18 0 1 0 154651384 8380416 1092 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 4159196045 0 0 4096 0 0 0 0 17 0 0 0
/proc/2025/statm: 2046 1092 704 52 0 414 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8184

[startup+0.512952 s]
/proc/loadavg: 1.72 1.91 1.96 4/86 2026
/proc/meminfo: memFree=789520/2055920 swapFree=4191880/4192956
[pid=2025] ppid=2023 vsize=8812 CPUtime=0.5
/proc/2025/stat : 2025 (CSPtoSAT+minisa) R 2023 2025 1690 0 -1 4194304 1351 0 0 0 50 0 0 0 22 0 1 0 154651384 9023488 1290 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134671231 0 0 4096 0 0 0 0 17 0 0 0
/proc/2025/statm: 2203 1290 720 52 0 571 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 8812

[startup+1.3341 s]
/proc/loadavg: 1.74 1.91 1.96 3/86 2026
/proc/meminfo: memFree=787024/2055920 swapFree=4191880/4192956
[pid=2025] ppid=2023 vsize=8944 CPUtime=1.32
/proc/2025/stat : 2025 (CSPtoSAT+minisa) R 2023 2025 1690 0 -1 4194304 1371 0 0 0 132 0 0 0 25 0 1 0 154651384 9158656 1310 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134665701 0 0 4096 0 0 0 0 17 0 0 0
/proc/2025/statm: 2236 1310 720 52 0 604 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 8944

[startup+2.97941 s]
/proc/loadavg: 1.74 1.91 1.96 3/86 2026
/proc/meminfo: memFree=787024/2055920 swapFree=4191880/4192956
[pid=2025] ppid=2023 vsize=8944 CPUtime=2.96
/proc/2025/stat : 2025 (CSPtoSAT+minisa) R 2023 2025 1690 0 -1 4194304 1390 0 0 0 296 0 0 0 25 0 1 0 154651384 9158656 1329 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134671298 0 0 4096 0 0 0 0 17 0 0 0
/proc/2025/statm: 2236 1329 720 52 0 604 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 8944

Child status: 0
Real time (s): 4.54847
CPU time (s): 4.54431
CPU user time (s): 4.53431
CPU system time (s): 0.009998
CPU usage (%): 99.9085
Max. virtual memory (cumulated for all children) (KiB): 9092

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.53431
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1418
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= 11
involuntary context switches= 137

runsolver used 0.008998 s user time and 0.020996 s system time

The end

Launcher Data (download as text)

Begin job on node2 on Sat Jan  6 05:49:16 UTC 2007


IDJOB= 210134
IDBENCH= 4596
FILE ID= node2/210134-1168062554

PBS_JOBID= 3475362

Free space on /tmp= 66320 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/ssa/ssa-7552-160.xml
COMMAND LINE= /tmp/evaluation/210134-1168062554/CSPtoSAT+minisat /tmp/evaluation/210134-1168062554/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-210134-1168062554 -o ROOT/results/node2/solver-210134-1168062554 -C 1800 -M 900  /tmp/evaluation/210134-1168062554/CSPtoSAT+minisat /tmp/evaluation/210134-1168062554/unknown.xml

META MD5SUM SOLVER= 0ab327eaa5be249b47b2f4b19927f0b0
MD5SUM BENCH=  1d85dc2cfb5a4927ab06ee6d83fe0c12

RANDOM SEED= 92310877

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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	: 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		: 3000.259
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:        790064 kB
Buffers:         83988 kB
Cached:         764928 kB
SwapCached:        268 kB
Active:         693076 kB
Inactive:       472952 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        790064 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            2336 kB
Writeback:           0 kB
Mapped:         338884 kB
Slab:            83904 kB
Committed_AS:  3733432 kB
PageTables:       3032 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= 66320 MiB



End job on node2 on Sat Jan  6 05:49:22 UTC 2007