Trace number 214894

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 0.40SAT 5.12 25.3652

General information on the benchmark

NamepseudoSeries/
ii/ii-16a2.xml
MD5SUMf878d062c1561399370d1ad05d1f42bd
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 benchmark5.12
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables3204
Number of constraints24883
Maximum constraint arity16
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension24883
Global constraints used (with number of constraints)

Solver Data (download as text)

6.55	c # Sugar v0-40 (/tmp/evaluation/214894-1170099992/sugar-v0-40.jar)
6.56	
6.68	c # MAIN  BEGIN : /tmp/evaluation/214894-1170099992/unknown.xml [Mon Jan 29 20:46:50 2007]
7.08	c # CONVERT_XML  BEGIN : /tmp/evaluation/214894-1170099992/unknown.xml /tmp/evaluation/214894-1170099992/sugar18670.csp [Mon Jan 29 20:46:50 2007]
7.08	c # CMD : java -Xms200M -Xmx600M -jar /tmp/evaluation/214894-1170099992/sugar-v0-40.jar -convert /tmp/evaluation/214894-1170099992/unknown.xml /tmp/evaluation/214894-1170099992/sugar18670.csp
10.24	c BEGIN convert /tmp/evaluation/214894-1170099992/unknown.xml
17.84	c END convert (7.592711 seconds)
17.86	c # CONVERT_XML  END : /tmp/evaluation/214894-1170099992/sugar18670.csp 698136 bytes (11 seconds) [Mon Jan 29 20:47:01 2007]
17.86	c # CONVERT_XML  CPU : 0 = 0 + 0 + 0 + 0
17.86	
17.86	c # GENERATE_SAT  BEGIN : /tmp/evaluation/214894-1170099992/sugar18670.bcnf [Mon Jan 29 20:47:01 2007]
17.86	c # CMD : java -Xms200M -Xmx600M -jar /tmp/evaluation/214894-1170099992/sugar-v0-40.jar -bcnf -map /tmp/evaluation/214894-1170099992/sugar18670.map /tmp/evaluation/214894-1170099992/sugar18670.csp /tmp/evaluation/214894-1170099992/sugar18670.bcnf
17.98	c BEGIN parse /tmp/evaluation/214894-1170099992/sugar18670.csp
20.36	c END parse (2.382011 seconds)
20.36	c BEGIN simplify
20.37	c END simplify (0.012852 seconds)
20.37	c BEGIN encode /tmp/evaluation/214894-1170099992/sugar18670.bcnf
22.87	c END encode (2.495553 seconds)
22.95	c # GENERATE_SAT  END : 11124 variables 65209 clauses 859440 bytes (5 seconds) [Mon Jan 29 20:47:06 2007]
22.95	c # GENERATE_SAT  CPU : 2.78 = 0.06 + 0.01 + 2.6 + 0.11
22.95	
22.95	c # SOLVE_SAT  BEGIN : /tmp/evaluation/214894-1170099992/sugar18670.bcnf [Mon Jan 29 20:47:06 2007]
22.95	c # CMD : /tmp/evaluation/214894-1170099992/minisat /tmp/evaluation/214894-1170099992/sugar18670.bcnf /tmp/evaluation/214894-1170099992/sugar18670.out
22.99	c ==================================[MINISAT]===================================
23.39	c | Conflicts |     ORIGINAL     |              LEARNT              | Progress |
23.39	c |           | Clauses Literals |   Limit Clauses Literals  Lit/Cl |          |
23.39	c ==============================================================================
23.39	c |         0 |   65209   149645 |   21736       0        0     nan |  0.000 % |
23.39	c |       100 |   65212   149645 |   23909      97     1314    13.5 |  0.000 % |
23.39	c ==============================================================================
23.39	c restarts              : 2
23.39	c conflicts             : 193            (2245 /sec)
23.39	c decisions             : 871            (10130 /sec)
23.39	c propagations          : 220565         (2565127 /sec)
23.39	c conflict literals     : 2551           (6.11 % deleted)
23.39	c Memory used           : 3.66 MB
23.39	c CPU time              : 0.085986 s
23.39	c 
23.39	c SATISFIABLE
23.39	c # SOLVE_SAT  END : SATISFIABLE (1 seconds) [Mon Jan 29 20:47:07 2007]
23.39	c # SOLVE_SAT  CPU : 0.0900000000000001 = 0 + 0 + 0.0800000000000001 + 0.01
23.39	
23.39	c # RESULT : SATISFIABLE
23.39	
23.39	c # OUTPUT_SOL  BEGIN : SAT  [Mon Jan 29 20:47:07 2007]
23.39	c BEGIN read SAT output /tmp/evaluation/214894-1170099992/sugar18670.out
23.42	c END read SAT output (0.038549 seconds)
23.42	c BEGIN write solution /tmp/evaluation/214894-1170099992/sugar18670.sol
25.28	c END write solution (1.858094 seconds)
25.32	s SATISFIABLE
25.32	v 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 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 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 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 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 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 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 1 0 0 1 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 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 1 0 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 1 0 1 0 1 0 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 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 1 0 0 1 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 0 1 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 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25.36	c # OUTPUT_SOL  END :  (2 seconds) [Mon Jan 29 20:47:09 2007]
25.36	c # OUTPUT_SOL  CPU : 0.36 = 0.03 + 0 + 0.29 + 0.04
25.36	
25.36	c # MAIN  END :  (19 seconds) [Mon Jan 29 20:47:09 2007]
25.36	c # MAIN  CPU : 3.24 = 0.1 + 0.01 + 2.97 + 0.16
25.36

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/node72/watcher-214894-1170099992 -o ROOT/results/node72/solver-214894-1170099992 -C 1800 -M 900 /tmp/evaluation/214894-1170099992/solver /tmp/evaluation/214894-1170099992 /tmp/evaluation/214894-1170099992/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: 8.52 3.31 2.35 3/102 18671
/proc/meminfo: memFree=14944/2055920 swapFree=4191880/4192956
[pid=18670] ppid=18668 vsize=5352 CPUtime=0
/proc/18670/stat : 18670 (solver) D 18668 18670 18387 0 -1 4194304 264 0 0 0 0 0 0 0 18 0 1 0 29968130 5480448 231 18446744073709551615 4194304 4889804 548682069296 18446744073709551615 234517753127 0 0 4096 0 18446744071563608240 0 0 17 0 0 0
/proc/18670/statm: 1338 231 193 169 0 49 0

[startup+0.115163 s]
/proc/loadavg: 8.52 3.31 2.35 3/102 18671
/proc/meminfo: memFree=14944/2055920 swapFree=4191880/4192956
[pid=18670] ppid=18668 vsize=5352 CPUtime=0
/proc/18670/stat : 18670 (solver) D 18668 18670 18387 0 -1 4194304 264 0 0 0 0 0 0 0 18 0 1 0 29968130 5480448 231 18446744073709551615 4194304 4889804 548682069296 18446744073709551615 234517753127 0 0 4096 0 18446744071563608240 0 0 17 0 0 0
/proc/18670/statm: 1338 231 193 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.617209 s]
/proc/loadavg: 8.52 3.31 2.35 3/102 18671
/proc/meminfo: memFree=14944/2055920 swapFree=4191880/4192956
[pid=18670] ppid=18668 vsize=124 CPUtime=0
/proc/18670/stat : 18670 (sugar) D 18668 18670 18387 0 -1 4194304 287 0 0 0 0 0 0 0 18 0 1 0 29968130 126976 23 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 234515133929 0 0 4096 0 18446744071563608240 0 0 17 1 0 0
/proc/18670/statm: 31 23 17 3 0 3 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 124

[startup+3.11843 s]
/proc/loadavg: 8.52 3.31 2.35 3/102 18671
/proc/meminfo: memFree=14944/2055920 swapFree=4191880/4192956
[pid=18670] ppid=18668 vsize=12272 CPUtime=0
/proc/18670/stat : 18670 (sugar) D 18668 18670 18387 0 -1 4194304 655 0 0 0 0 0 0 0 18 0 1 0 29968130 12566528 374 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 234526650466 0 0 4224 0 18446744071563479169 0 0 17 1 0 0
/proc/18670/statm: 3068 374 275 3 0 168 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12272

[startup+4.75558 s]
/proc/loadavg: 8.96 3.49 2.42 1/102 18671
/proc/meminfo: memFree=15008/2055920 swapFree=4191880/4192956
[pid=18670] ppid=18668 vsize=12668 CPUtime=0.01
/proc/18670/stat : 18670 (sugar) D 18668 18670 18387 0 -1 4194304 780 0 0 0 1 0 0 0 18 0 1 0 29968130 12972032 499 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 234526650466 0 0 4224 0 18446744071563479169 0 0 17 1 0 0
/proc/18670/statm: 3167 499 315 3 0 267 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 12668

[startup+8.03287 s]
/proc/loadavg: 9.37 3.66 2.48 1/103 18672
/proc/meminfo: memFree=15832/2055920 swapFree=4191880/4192956
[pid=18670] ppid=18668 vsize=13724 CPUtime=0.04
/proc/18670/stat : 18670 (sugar) S 18668 18670 18387 0 -1 4194304 1112 0 0 0 3 1 0 0 16 0 1 0 29968130 14053376 805 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 234526650466 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/18670/statm: 3431 805 368 3 0 531 0
[pid=18672] ppid=18670 vsize=9648 CPUtime=0
/proc/18672/stat : 18672 (java) D 18670 18670 18387 0 -1 0 384 0 0 0 0 0 0 0 18 0 1 0 29968798 9879552 175 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 2536356 0 0 4096 0 18446744071563608240 0 0 17 0 0 0
/proc/18672/statm: 2412 175 137 14 0 1138 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 23372

[startup+14.5047 s]
/proc/loadavg: 9.74 3.83 2.54 1/110 18679
/proc/meminfo: memFree=16096/2055920 swapFree=4191880/4192956
[pid=18670] ppid=18668 vsize=13724 CPUtime=0.04
/proc/18670/stat : 18670 (sugar) S 18668 18670 18387 0 -1 4194304 1121 0 0 0 3 1 0 0 16 0 1 0 29968130 14053376 805 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 234526650466 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/18670/statm: 3431 805 368 3 0 531 0
[pid=18672] ppid=18670 vsize=807412 CPUtime=1.61
/proc/18672/stat : 18672 (java) D 18670 18670 18387 0 -1 0 17291 0 1 0 148 13 0 0 15 0 8 0 29968798 826789888 17035 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/18672/statm: 201853 17035 1694 14 0 189131 0
[pid=18672/tid=18673] ppid=18670 vsize=807412 CPUtime=0.31
/proc/18672/task/18673/stat : 18673 (java) S 18670 18670 18387 0 -1 64 10680 0 0 0 25 6 0 0 16 0 8 0 29969138 826789888 17035 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0
[pid=18672/tid=18674] ppid=18670 vsize=807412 CPUtime=0
/proc/18672/task/18674/stat : 18674 (java) S 18670 18670 18387 0 -1 64 9 0 0 0 0 0 0 0 20 0 8 0 29969139 826789888 17035 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=18672/tid=18675] ppid=18670 vsize=807412 CPUtime=0
/proc/18672/task/18675/stat : 18675 (java) S 18670 18670 18387 0 -1 64 4 0 0 0 0 0 0 0 20 0 8 0 29969139 826789888 17035 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=18672/tid=18676] ppid=18670 vsize=807412 CPUtime=0
/proc/18672/task/18676/stat : 18676 (java) S 18670 18670 18387 0 -1 64 1 0 0 0 0 0 0 0 18 0 8 0 29969142 826789888 17035 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=18672/tid=18677] ppid=18670 vsize=807412 CPUtime=0.17
/proc/18672/task/18677/stat : 18677 (java) S 18670 18670 18387 0 -1 64 426 0 0 0 16 1 0 0 16 0 8 0 29969142 826789888 17035 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=18672/tid=18678] ppid=18670 vsize=807412 CPUtime=0
/proc/18672/task/18678/stat : 18678 (java) S 18670 18670 18387 0 -1 64 3 0 0 0 0 0 0 0 19 0 8 0 29969142 826789888 17035 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=18672/tid=18679] ppid=18670 vsize=807412 CPUtime=0
/proc/18672/task/18679/stat : 18679 (java) S 18670 18670 18387 0 -1 64 1 0 0 0 0 0 0 0 15 0 8 0 29969142 826789888 17035 18446744073709551615 134512640 134570532 4294956528 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.65
Current children cumulated vsize (KiB) 821136

Child status: 0

!!! problem with CPU time !!!
wait4(...,&childrusage) returns 18670 and gives childrusage.ru_utime.tv_sec=3 childrusage.ru_utime.tv_usec=102528 childrusage.ru_stime.tv_sec=0 childrusage.ru_stime.tv_usec=194970
CPU time returned by wait4() is 3.2975
while last known CPU time is 5.12

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

Real time (s): 25.3652
CPU time (s): 5.12
CPU user time (s): 4.8
CPU system time (s): 0.32
CPU usage (%): 20.1851
Max. virtual memory (cumulated for all children) (KiB): 825056

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.10253
system time used= 0.19497
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 22580
page faults= 2
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1068
involuntary context switches= 470

runsolver used 0.039993 s user time and 0.103984 s system time

The end

Launcher Data (download as text)

Begin job on node72 on Mon Jan 29 19:46:42 UTC 2007


IDJOB= 214894
IDBENCH= 4959
IDSOLVER= 86
FILE ID= node72/214894-1170099992

PBS_JOBID= 3689735

Free space on /tmp= 65286 MiB

SOLVER NAME= sugar 0.40
BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/ii/ii-16a2.xml
COMMAND LINE= /tmp/evaluation/214894-1170099992/solver /tmp/evaluation/214894-1170099992 /tmp/evaluation/214894-1170099992/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node72/watcher-214894-1170099992 -o ROOT/results/node72/solver-214894-1170099992 -C 1800 -M 900  /tmp/evaluation/214894-1170099992/solver /tmp/evaluation/214894-1170099992 /tmp/evaluation/214894-1170099992/unknown.xml

META MD5SUM SOLVER= 0a27e717dfe98d83d9802fe0eea45073
MD5SUM BENCH=  f878d062c1561399370d1ad05d1f42bd

RANDOM SEED= 436119278

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:         16128 kB
Buffers:          2080 kB
Cached:         816164 kB
SwapCached:          0 kB
Active:        1201780 kB
Inactive:       741156 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:         16128 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:           44484 kB
Writeback:      414640 kB
Mapped:        1148920 kB
Slab:            79332 kB
Committed_AS:  1487440 kB
PageTables:       4252 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= 65058 MiB



End job on node72 on Mon Jan 29 19:47:10 UTC 2007