Trace number 252396

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 13.091 13.231

General information on the benchmark

Namebmc/
bmc-ibm-02-04.xml
MD5SUMb682bb4a72e4154cd20e189cb514581c
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 benchmark0.694893
SatisfiableYES
(Un)Satisfiability was proved
Number of variables2810
Number of constraints14493
Maximum constraint arity17
Maximum domain size4
Number of constraints which are defined in extension0
Number of constraints which are defined in intension14493
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...
1.01	c ...done
1.01	c #SATvar=11242 #SATclauses=19670 #CSPpredicates=14493
13.22	Verified 4474 original clauses.
13.22	c SAT problem is solved
13.22	restarts              : 11
13.22	conflicts             : 11725          (897 /sec)
13.22	decisions             : 1328635        (1.59 % random) (101655 /sec)
13.22	propagations          : 9073246        (694203 /sec)
13.22	conflict literals     : 17684          (0.08 % deleted)
13.22	Memory used           : 11.32 MB
13.22	CPU time              : 13.07 s
13.22	c all predicates checked
13.22	
13.22	s SATISFIABLE
13.22	v 0 0 1 1 1 1 1 1 0 1 0 1 1 1 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 1 0 1 1 1 1 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 1 0 1 1 0 1 1 1 0 1 0 0 0 0 1 1 0 0 1 1 0 1 0 0 0 1 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 1 0 1 1 1 0 0 1 0 0 1 1 1 1 0 1 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 1 1 0 0 0 0 1 0 0 1 0 0 1 1 0 0 1 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 1 0 0 1 1 1 1 0 0 0 1 1 1 1 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 0 1 1 1 1 0 0 0 0 1 0 1 1 1 0 0 1 0 1 0 0 0 0 1 1 1 1 1 1 0 1 0 1 0 0 0 1 1 1 0 0 0 0 0 1 1 1 0 1 1 1 0 0 0 0 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 0 1 0 0 0 0 0 0 1 0 1 0 1 1 1 1 1 0 0 0 0 0 0 0 0 1 0 1 0 1 1 1 0 0 0 0 1 0 1 1 1 0 1 0 1 1 0 1 1 1 1 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 1 0 1 1 0 0 0 1 0 0 0 0 1 0 0 1 1 0 1 1 1 0 1 1 0 0 1 1 1 1 0 1 1 1 1 0 1 1 0 0 0 0 0 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 0 0 0 1 0 0 1 1 0 0 1 0 1 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13.22

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/node17/watcher-252396-1168095663 -o ROOT/results/node17/solver-252396-1168095663 -C 1800 -M 900 /tmp/evaluation/252396-1168095663/CSPtoSAT+minisat /tmp/evaluation/252396-1168095663/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: 1.85 1.95 1.91 5/92 18482
/proc/meminfo: memFree=1595688/2055920 swapFree=4192812/4192956
[pid=18481] ppid=18479 vsize=18540 CPUtime=0
/proc/18481/stat : 18481 (runsolver) R 18479 18481 18325 0 -1 4194368 16 0 0 0 0 0 0 0 21 0 1 0 157961287 18984960 279 18446744073709551615 4194304 4267372 548682069072 18446744073709551615 245482712359 0 0 4096 24578 0 0 0 17 1 0 0
/proc/18481/statm: 4635 279 244 17 0 2626 0

[startup+0.109559 s]
/proc/loadavg: 1.85 1.95 1.91 5/92 18482
/proc/meminfo: memFree=1595688/2055920 swapFree=4192812/4192956
[pid=18481] ppid=18479 vsize=8884 CPUtime=0.09
/proc/18481/stat : 18481 (CSPtoSAT+minisa) R 18479 18481 18325 0 -1 4194304 1304 0 0 0 9 0 0 0 21 0 1 0 157961287 9097216 1272 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 4156389820 0 0 4096 0 0 0 0 17 1 0 0
/proc/18481/statm: 2221 1272 704 52 0 589 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8884

[startup+0.517602 s]
/proc/loadavg: 1.85 1.95 1.91 5/92 18482
/proc/meminfo: memFree=1595688/2055920 swapFree=4192812/4192956
[pid=18481] ppid=18479 vsize=10104 CPUtime=0.5
/proc/18481/stat : 18481 (CSPtoSAT+minisa) R 18479 18481 18325 0 -1 4194304 1611 0 0 0 50 0 0 0 24 0 1 0 157961287 10346496 1579 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 3290448 0 0 4096 0 0 0 0 17 1 0 0
/proc/18481/statm: 2526 1579 704 52 0 894 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 10104

[startup+1.33969 s]
/proc/loadavg: 1.86 1.95 1.91 3/92 18482
/proc/meminfo: memFree=1590504/2055920 swapFree=4192812/4192956
[pid=18481] ppid=18479 vsize=11324 CPUtime=1.31
/proc/18481/stat : 18481 (CSPtoSAT+minisa) R 18479 18481 18325 0 -1 4194304 1973 0 0 0 130 1 0 0 25 0 1 0 157961287 11595776 1915 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671457 0 0 4096 0 0 0 0 17 1 0 0
/proc/18481/statm: 2831 1915 721 52 0 1199 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 11324

[startup+2.97786 s]
/proc/loadavg: 1.86 1.95 1.91 3/92 18484
/proc/meminfo: memFree=1590184/2055920 swapFree=4192812/4192956
[pid=18481] ppid=18479 vsize=11456 CPUtime=2.94
/proc/18481/stat : 18481 (CSPtoSAT+minisa) R 18479 18481 18325 0 -1 4194304 1989 0 0 0 293 1 0 0 25 0 1 0 157961287 11730944 1931 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671185 0 0 4096 0 0 0 0 17 1 0 0
/proc/18481/statm: 2864 1931 721 52 0 1232 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 11456

[startup+6.27021 s]
/proc/loadavg: 1.86 1.95 1.91 3/92 18490
/proc/meminfo: memFree=1589544/2055920 swapFree=4192812/4192956
[pid=18481] ppid=18479 vsize=11456 CPUtime=6.2
/proc/18481/stat : 18481 (CSPtoSAT+minisa) R 18479 18481 18325 0 -1 4194304 2002 0 0 0 619 1 0 0 25 0 1 0 157961287 11730944 1944 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134665589 0 0 4096 0 0 0 0 17 1 0 0
/proc/18481/statm: 2864 1944 721 52 0 1232 0
Current children cumulated CPU time (s) 6.2
Current children cumulated vsize (KiB) 11456

[startup+12.7419 s]
/proc/loadavg: 1.88 1.95 1.91 3/92 18500
/proc/meminfo: memFree=1588712/2055920 swapFree=4192812/4192956
[pid=18481] ppid=18479 vsize=11588 CPUtime=12.6
/proc/18481/stat : 18481 (CSPtoSAT+minisa) R 18479 18481 18325 0 -1 4194304 2022 0 0 0 1259 1 0 0 25 0 1 0 157961287 11866112 1964 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134600139 0 0 4096 0 0 0 0 17 1 0 0
/proc/18481/statm: 2897 1964 721 52 0 1265 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 11588

Child status: 0
Real time (s): 13.231
CPU time (s): 13.091
CPU user time (s): 13.077
CPU system time (s): 0.013997
CPU usage (%): 98.942
Max. virtual memory (cumulated for all children) (KiB): 11588

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.077
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2039
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= 12
involuntary context switches= 600

runsolver used 0.013997 s user time and 0.049992 s system time

The end

Launcher Data (download as text)

Begin job on node17 on Sat Jan  6 15:01:05 UTC 2007


IDJOB= 252396
IDBENCH= 12932
FILE ID= node17/252396-1168095663

PBS_JOBID= 3476452

Free space on /tmp= 66317 MiB

BENCH NAME= HOME/pub/bench/CPAI06/bmc/bmc-ibm-02-04.xml
COMMAND LINE= /tmp/evaluation/252396-1168095663/CSPtoSAT+minisat /tmp/evaluation/252396-1168095663/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node17/watcher-252396-1168095663 -o ROOT/results/node17/solver-252396-1168095663 -C 1800 -M 900  /tmp/evaluation/252396-1168095663/CSPtoSAT+minisat /tmp/evaluation/252396-1168095663/unknown.xml

META MD5SUM SOLVER= 0ab327eaa5be249b47b2f4b19927f0b0
MD5SUM BENCH=  b682bb4a72e4154cd20e189cb514581c

RANDOM SEED= 774659297

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		: 3000.236
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		: 3000.236
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:       1596104 kB
Buffers:         39288 kB
Cached:         245904 kB
SwapCached:          0 kB
Active:         185388 kB
Inactive:       182684 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1596104 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3832 kB
Writeback:           0 kB
Mapped:         105776 kB
Slab:            76168 kB
Committed_AS:  3933304 kB
PageTables:       2500 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= 66317 MiB



End job on node17 on Sat Jan  6 15:01:18 UTC 2007