Trace number 242532

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
sugar 0.40UNSAT 1.31 1.4701

General information on the benchmark

Namedimacs/
varDimacs/hole-08_ext.xml
MD5SUM1255cb5b8be51a9a5f93c76e889831f7
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.542916
SatisfiableNO
(Un)Satisfiability was proved
Number of variables72
Number of constraints297
Maximum constraint arity8
Maximum domain size2
Number of constraints which are defined in extension297
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.04	c # Sugar v0-40 (/tmp/evaluation/242532-1170109237/sugar-v0-40.jar)
0.04	
0.04	c # MAIN  BEGIN : /tmp/evaluation/242532-1170109237/unknown.xml [Mon Jan 29 23:20:40 2007]
0.04	c # CONVERT_XML  BEGIN : /tmp/evaluation/242532-1170109237/unknown.xml /tmp/evaluation/242532-1170109237/sugar32332.csp [Mon Jan 29 23:20:40 2007]
0.04	c # CMD : java -Xms200M -Xmx600M -jar /tmp/evaluation/242532-1170109237/sugar-v0-40.jar -convert /tmp/evaluation/242532-1170109237/unknown.xml /tmp/evaluation/242532-1170109237/sugar32332.csp
0.22	c BEGIN convert /tmp/evaluation/242532-1170109237/unknown.xml
0.42	c END convert (0.207894 seconds)
0.44	c # CONVERT_XML  END : /tmp/evaluation/242532-1170109237/sugar32332.csp 11312 bytes (0 seconds) [Mon Jan 29 23:20:40 2007]
0.44	c # CONVERT_XML  CPU : 0 = 0 + 0 + 0 + 0
0.44	
0.44	c # GENERATE_SAT  BEGIN : /tmp/evaluation/242532-1170109237/sugar32332.bcnf [Mon Jan 29 23:20:40 2007]
0.44	c # CMD : java -Xms200M -Xmx600M -jar /tmp/evaluation/242532-1170109237/sugar-v0-40.jar -bcnf -map /tmp/evaluation/242532-1170109237/sugar32332.map /tmp/evaluation/242532-1170109237/sugar32332.csp /tmp/evaluation/242532-1170109237/sugar32332.bcnf
0.56	c BEGIN parse /tmp/evaluation/242532-1170109237/sugar32332.csp
0.82	c END parse (0.261373 seconds)
0.82	c BEGIN simplify
0.82	c END simplify (0.003221 seconds)
0.82	c BEGIN encode /tmp/evaluation/242532-1170109237/sugar32332.bcnf
0.85	c END encode (0.03247 seconds)
0.88	c # GENERATE_SAT  END : 72 variables 297 clauses 3804 bytes (1 seconds) [Mon Jan 29 23:20:41 2007]
0.88	c # GENERATE_SAT  CPU : 0.41 = 0 + 0 + 0.37 + 0.04
0.88	
0.88	c # SOLVE_SAT  BEGIN : /tmp/evaluation/242532-1170109237/sugar32332.bcnf [Mon Jan 29 23:20:41 2007]
0.88	c # CMD : /tmp/evaluation/242532-1170109237/minisat /tmp/evaluation/242532-1170109237/sugar32332.bcnf /tmp/evaluation/242532-1170109237/sugar32332.out
0.88	c ==================================[MINISAT]===================================
0.88	c | Conflicts |     ORIGINAL     |              LEARNT              | Progress |
0.88	c |           | Clauses Literals |   Limit Clauses Literals  Lit/Cl |          |
0.88	c ==============================================================================
0.88	c |         0 |     297      648 |      99       0        0     nan |  0.000 % |
0.88	c |       100 |     297      648 |     108     100     1866    18.7 |  0.176 % |
0.88	c |       250 |     297      648 |     119     108     1747    16.2 |  0.176 % |
0.89	c |       475 |     297      648 |     131     107     1666    15.6 |  0.176 % |
0.89	c |       812 |     297      648 |     144     121     1786    14.8 |  0.177 % |
0.90	c |      1318 |     297      648 |     159     112     1639    14.6 |  0.177 % |
0.91	c |      2077 |     297      648 |     175     141     2144    15.2 |  0.178 % |
0.92	c |      3216 |     297      648 |     192     191     2783    14.6 |  0.179 % |
0.95	c |      4925 |     297      648 |     212     194     3175    16.4 |  0.197 % |
0.99	c |      7487 |     302      648 |     233     173     2680    15.5 |  0.273 % |
1.05	c |     11331 |     294      648 |     256     180     3343    18.6 |  1.569 % |
1.13	c |     17097 |     288      648 |     282     295     5361    18.2 |  3.032 % |
1.27	c |     25747 |     262      648 |     310     234     4085    17.5 |  7.217 % |
1.46	c ==============================================================================
1.46	c restarts              : 13
1.46	c conflicts             : 37653          (65494 /sec)
1.46	c decisions             : 38554          (67061 /sec)
1.46	c propagations          : 433363         (753790 /sec)
1.46	c conflict literals     : 677685         (7.20 % deleted)
1.46	c Memory used           : 1.62 MB
1.46	c CPU time              : 0.574912 s
1.46	c 
1.46	c UNSATISFIABLE
1.46	c # SOLVE_SAT  END : UNSATISFIABLE (0 seconds) [Mon Jan 29 23:20:41 2007]
1.46	c # SOLVE_SAT  CPU : 0.58 = 0.01 + 0 + 0.57 + 0
1.46	
1.46	c # RESULT : UNSATISFIABLE
1.46	
1.46	c # OUTPUT_SOL  BEGIN : UNSAT  [Mon Jan 29 23:20:41 2007]
1.46	s UNSATISFIABLE
1.46	c # OUTPUT_SOL  END :  (0 seconds) [Mon Jan 29 23:20:41 2007]
1.46	c # OUTPUT_SOL  CPU : 0 = 0 + 0 + 0 + 0
1.46	
1.46	c # MAIN  END :  (1 seconds) [Mon Jan 29 23:20:41 2007]
1.46	c # MAIN  CPU : 0.99 = 0.01 + 0 + 0.94 + 0.04
1.46

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node12/watcher-242532-1170109237 -o ROOT/results/node12/solver-242532-1170109237 -C 1800 -M 900 /tmp/evaluation/242532-1170109237/solver /tmp/evaluation/242532-1170109237 /tmp/evaluation/242532-1170109237/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: 1.02 1.48 1.96 4/87 32333
/proc/meminfo: memFree=1876836/2055920 swapFree=4192812/4192956
[pid=32332] ppid=32330 vsize=12268 CPUtime=0
/proc/32332/stat : 32332 (sugar) R 32330 32332 32267 0 -1 4194304 596 0 0 0 0 0 0 0 18 0 1 0 30878440 12562432 315 18446744073709551615 4194304 4206940 548682069216 18446744073709551615 252429695589 0 0 4224 0 0 0 0 17 1 0 0
/proc/32332/statm: 3067 315 241 3 0 167 0

[startup+0.107503 s]
/proc/loadavg: 1.02 1.48 1.96 4/87 32333
/proc/meminfo: memFree=1876836/2055920 swapFree=4192812/4192956
[pid=32332] ppid=32330 vsize=13724 CPUtime=0.03
/proc/32332/stat : 32332 (sugar) S 32330 32332 32267 0 -1 4194304 1112 0 0 0 3 0 0 0 18 0 1 0 30878440 14053376 805 18446744073709551615 4194304 4206940 548682069216 18446744073709551615 252438425698 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/32332/statm: 3431 805 368 3 0 531 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13724

[startup+0.515576 s]
/proc/loadavg: 1.02 1.48 1.96 4/87 32333
/proc/meminfo: memFree=1876836/2055920 swapFree=4192812/4192956
[pid=32332] ppid=32330 vsize=13724 CPUtime=0.03
/proc/32332/stat : 32332 (sugar) S 32330 32332 32267 0 -1 4194304 1178 0 0 0 3 0 0 0 16 0 1 0 30878440 14053376 808 18446744073709551615 4194304 4206940 548682069216 18446744073709551615 252438425698 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/32332/statm: 3431 808 370 3 0 531 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13724

[startup+1.34272 s]
/proc/loadavg: 1.09 1.49 1.96 3/89 32350
/proc/meminfo: memFree=1874760/2055920 swapFree=4192812/4192956
[pid=32332] ppid=32330 vsize=13724 CPUtime=0.45
/proc/32332/stat : 32332 (sugar) S 32330 32332 32267 0 -1 4194304 1287 5451 0 1 4 0 37 4 15 0 1 0 30878440 14053376 825 18446744073709551615 4194304 4206940 548682069216 18446744073709551615 252438425698 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/32332/statm: 3431 825 373 3 0 531 0
[pid=32334] ppid=32332 vsize=0 CPUtime=0.31
/proc/32334/stat : 32334 (java) Z 32332 32332 32267 0 -1 1036 3691 0 1 0 30 1 0 0 17 0 1 0 30878445 0 0 18446744073709551615 0 0 0 0 0 0 4 0 23759 18446744071563351923 0 0 17 1 0 0
/proc/32334/statm: 0 0 0 0 0 0 0
[pid=32350] ppid=32332 vsize=1652 CPUtime=0.45
/proc/32350/stat : 32350 (minisat) R 32332 32332 32267 0 -1 0 91 0 0 0 45 0 0 0 21 0 1 0 30878529 1691648 77 18446744073709551615 134512640 134974460 4294956752 18446744073709551615 134528363 0 0 4096 3 0 0 0 17 1 0 0
/proc/32350/statm: 413 77 51 112 0 297 0
Current children cumulated CPU time (s) 1.21
Current children cumulated vsize (KiB) 15376

Child status: 0

!!! problem with CPU time !!!
wait4(...,&childrusage) returns 32332 and gives childrusage.ru_utime.tv_sec=0 childrusage.ru_utime.tv_usec=987849 childrusage.ru_stime.tv_sec=0 childrusage.ru_stime.tv_usec=56991
CPU time returned by wait4() is 1.04484
while last known CPU time is 1.31

Solver probably didn't/couldn't wait for its children
Using last known CPU time as value...

Real time (s): 1.4701
CPU time (s): 1.31
CPU user time (s): 1.26
CPU system time (s): 0.05
CPU usage (%): 89.1096
Max. virtual memory (cumulated for all children) (KiB): 15376

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.987849
system time used= 0.056991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6924
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= 536
involuntary context switches= 504

runsolver used 0.006998 s user time and 0.007998 s system time

The end

Launcher Data (download as text)

Begin job on node12 on Mon Jan 29 22:20:38 UTC 2007


IDJOB= 242532
IDBENCH= 7398
IDSOLVER= 86
FILE ID= node12/242532-1170109237

PBS_JOBID= 3690008

Free space on /tmp= 66559 MiB

SOLVER NAME= sugar 0.40
BENCH NAME= HOME/pub/bench/CPAI06/dimacs/varDimacs/hole-08_ext.xml
COMMAND LINE= /tmp/evaluation/242532-1170109237/solver /tmp/evaluation/242532-1170109237 /tmp/evaluation/242532-1170109237/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node12/watcher-242532-1170109237 -o ROOT/results/node12/solver-242532-1170109237 -C 1800 -M 900  /tmp/evaluation/242532-1170109237/solver /tmp/evaluation/242532-1170109237 /tmp/evaluation/242532-1170109237/unknown.xml

META MD5SUM SOLVER= 0a27e717dfe98d83d9802fe0eea45073
MD5SUM BENCH=  1255cb5b8be51a9a5f93c76e889831f7

RANDOM SEED= 496193976

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		: 3000.285
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		: 3000.285
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:       1877432 kB
Buffers:          7716 kB
Cached:          50424 kB
SwapCached:          0 kB
Active:         112184 kB
Inactive:        17696 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1877432 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1016 kB
Writeback:           0 kB
Mapped:          91436 kB
Slab:            33656 kB
Committed_AS:   692212 kB
PageTables:       2108 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= 66559 MiB



End job on node12 on Mon Jan 29 22:20:42 UTC 2007