Trace number 210192

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 1.8 2.18967

General information on the benchmark

NamepseudoSeries/
ssa/ssa-7552-158.xml
MD5SUMe52ad62d7f9cb03eba63efbbed113a6f
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 benchmark0.264958
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2726
Number of constraints4393
Maximum constraint arity5
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4393
Global constraints used (with number of constraints)

Solver Data (download as text)

0.05	c # Sugar v0-40 (/tmp/evaluation/210192-1170097855/sugar-v0-40.jar)
0.05	
0.05	c # MAIN  BEGIN : /tmp/evaluation/210192-1170097855/unknown.xml [Mon Jan 29 20:10:55 2007]
0.05	c # CONVERT_XML  BEGIN : /tmp/evaluation/210192-1170097855/unknown.xml /tmp/evaluation/210192-1170097855/sugar26139.csp [Mon Jan 29 20:10:55 2007]
0.05	c # CMD : java -Xms200M -Xmx600M -jar /tmp/evaluation/210192-1170097855/sugar-v0-40.jar -convert /tmp/evaluation/210192-1170097855/unknown.xml /tmp/evaluation/210192-1170097855/sugar26139.csp
0.17	c BEGIN convert /tmp/evaluation/210192-1170097855/unknown.xml
0.87	c END convert (0.706252 seconds)
0.91	c # CONVERT_XML  END : /tmp/evaluation/210192-1170097855/sugar26139.csp 177277 bytes (1 seconds) [Mon Jan 29 20:10:56 2007]
0.91	c # CONVERT_XML  CPU : 0 = 0 + 0 + 0 + 0
0.91	
0.91	c # GENERATE_SAT  BEGIN : /tmp/evaluation/210192-1170097855/sugar26139.bcnf [Mon Jan 29 20:10:56 2007]
0.91	c # CMD : java -Xms200M -Xmx600M -jar /tmp/evaluation/210192-1170097855/sugar-v0-40.jar -bcnf -map /tmp/evaluation/210192-1170097855/sugar26139.map /tmp/evaluation/210192-1170097855/sugar26139.csp /tmp/evaluation/210192-1170097855/sugar26139.bcnf
1.03	c BEGIN parse /tmp/evaluation/210192-1170097855/sugar26139.csp
1.74	c END parse (0.702413 seconds)
1.74	c BEGIN simplify
1.74	c END simplify (0.003878 seconds)
1.74	c BEGIN encode /tmp/evaluation/210192-1170097855/sugar26139.bcnf
1.81	c END encode (0.069841 seconds)
1.86	c # GENERATE_SAT  END : 2388 variables 3819 clauses 48008 bytes (1 seconds) [Mon Jan 29 20:10:57 2007]
1.86	c # GENERATE_SAT  CPU : 0.91 = 0.03 + 0 + 0.82 + 0.06
1.86	
1.86	c # SOLVE_SAT  BEGIN : /tmp/evaluation/210192-1170097855/sugar26139.bcnf [Mon Jan 29 20:10:57 2007]
1.86	c # CMD : /tmp/evaluation/210192-1170097855/minisat /tmp/evaluation/210192-1170097855/sugar26139.bcnf /tmp/evaluation/210192-1170097855/sugar26139.out
1.87	c ==================================[MINISAT]===================================
1.87	c | Conflicts |     ORIGINAL     |              LEARNT              | Progress |
1.87	c |           | Clauses Literals |   Limit Clauses Literals  Lit/Cl |          |
1.87	c ==============================================================================
1.87	c |         0 |    3819     8177 |    1273       0        0     nan |  0.000 % |
1.87	c ==============================================================================
1.87	c restarts              : 1
1.87	c conflicts             : 3              (1000 /sec)
1.87	c decisions             : 165            (55018 /sec)
1.87	c propagations          : 4345           (1448816 /sec)
1.87	c conflict literals     : 6              (0.00 % deleted)
1.87	c Memory used           : 1.75 MB
1.87	c CPU time              : 0.002999 s
1.87	c 
1.87	c SATISFIABLE
1.87	c # SOLVE_SAT  END : SATISFIABLE (0 seconds) [Mon Jan 29 20:10:57 2007]
1.87	c # SOLVE_SAT  CPU : 0.01 = 0 + 0 + 0.01 + 0
1.87	
1.87	c # RESULT : SATISFIABLE
1.87	
1.87	c # OUTPUT_SOL  BEGIN : SAT  [Mon Jan 29 20:10:57 2007]
1.99	c BEGIN read SAT output /tmp/evaluation/210192-1170097855/sugar26139.out
2.02	c END read SAT output (0.027359 seconds)
2.02	c BEGIN write solution /tmp/evaluation/210192-1170097855/sugar26139.sol
2.15	c END write solution (0.128211 seconds)
2.17	s SATISFIABLE
2.17	v 1 0 0 1 1 0 1 0 1 0 1 0 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 1 0 1 0 0 1 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 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 0 1 0 1 0 1 0 1 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 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 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 1 0 0 1 0 1 0 1 1 0 1 0 1 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2.18	c # OUTPUT_SOL  END :  (0 seconds) [Mon Jan 29 20:10:57 2007]
2.18	c # OUTPUT_SOL  CPU : 0.02 = 0.02 + 0 + 0 + 0
2.18	
2.18	c # MAIN  END :  (2 seconds) [Mon Jan 29 20:10:57 2007]
2.18	c # MAIN  CPU : 0.94 = 0.05 + 0 + 0.83 + 0.06
2.18

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-210192-1170097855 -o ROOT/results/node2/solver-210192-1170097855 -C 1800 -M 900 /tmp/evaluation/210192-1170097855/solver /tmp/evaluation/210192-1170097855 /tmp/evaluation/210192-1170097855/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: 1.82 2.02 2.10 5/94 26140
/proc/meminfo: memFree=1134664/2055920 swapFree=4192812/4192956
[pid=26139] ppid=26137 vsize=18540 CPUtime=0
/proc/26139/stat : 26139 (runsolver) R 26137 26139 25786 0 -1 4194368 16 0 0 0 0 0 0 0 21 0 1 0 29740436 18984960 279 18446744073709551615 4194304 4267372 548682069040 18446744073709551615 206381313319 0 0 4096 24578 0 0 0 17 1 0 0
/proc/26139/statm: 4635 279 244 17 0 2626 0

[startup+0.109824 s]
/proc/loadavg: 1.82 2.02 2.10 5/94 26140
/proc/meminfo: memFree=1134664/2055920 swapFree=4192812/4192956
[pid=26139] ppid=26137 vsize=13724 CPUtime=0.04
/proc/26139/stat : 26139 (sugar) S 26137 26139 25786 0 -1 4194304 1112 0 0 0 3 1 0 0 21 0 1 0 29740436 14053376 805 18446744073709551615 4194304 4206940 548682069216 18446744073709551615 206390210658 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/26139/statm: 3431 805 368 3 0 531 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 13724

[startup+0.517863 s]
/proc/loadavg: 1.82 2.02 2.10 5/94 26140
/proc/meminfo: memFree=1134664/2055920 swapFree=4192812/4192956
[pid=26139] ppid=26137 vsize=13724 CPUtime=0.04
/proc/26139/stat : 26139 (sugar) S 26137 26139 25786 0 -1 4194304 1121 0 0 0 3 1 0 0 15 0 1 0 29740436 14053376 805 18446744073709551615 4194304 4206940 548682069216 18446744073709551615 206390210658 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/26139/statm: 3431 805 368 3 0 531 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 13724

[startup+1.34096 s]
/proc/loadavg: 1.82 2.02 2.10 4/103 26156
/proc/meminfo: memFree=1126528/2055920 swapFree=4192812/4192956
[pid=26139] ppid=26137 vsize=13724 CPUtime=0.04
/proc/26139/stat : 26139 (sugar) S 26137 26139 25786 0 -1 4194304 1188 0 0 0 3 1 0 0 16 0 1 0 29740436 14053376 808 18446744073709551615 4194304 4206940 548682069216 18446744073709551615 206390210658 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/26139/statm: 3431 808 370 3 0 531 0
[pid=26141] ppid=26139 vsize=0 CPUtime=0.82
/proc/26141/stat : 26141 (java) Z 26139 26139 25786 0 -1 1036 8816 0 1 0 75 7 0 0 16 0 1 0 29740441 0 0 18446744073709551615 0 0 0 0 0 0 4 0 23759 18446744071563351923 0 0 17 1 0 0
/proc/26141/statm: 0 0 0 0 0 0 0
[pid=26149] ppid=26139 vsize=807064 CPUtime=0.41
/proc/26149/stat : 26149 (java) R 26139 26139 25786 0 -1 0 6605 0 1 0 36 5 0 0 21 0 8 0 29740527 826433536 6355 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4073484483 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/26149/statm: 201766 6355 1494 14 0 189044 0
[pid=26149/tid=26150] ppid=26139 vsize=807064 CPUtime=0.03
/proc/26149/task/26150/stat : 26150 (java) S 26139 26139 25786 0 -1 64 552 0 0 0 3 0 0 0 16 0 8 0 29740530 826433536 6355 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0
[pid=26149/tid=26151] ppid=26139 vsize=807064 CPUtime=0
/proc/26149/task/26151/stat : 26151 (java) S 26139 26139 25786 0 -1 64 11 0 0 0 0 0 0 0 16 0 8 0 29740531 826433536 6355 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=26149/tid=26152] ppid=26139 vsize=807064 CPUtime=0
/proc/26149/task/26152/stat : 26152 (java) S 26139 26139 25786 0 -1 64 5 0 0 0 0 0 0 0 15 0 8 0 29740531 826433536 6355 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=26149/tid=26153] ppid=26139 vsize=807064 CPUtime=0
/proc/26149/task/26153/stat : 26153 (java) S 26139 26139 25786 0 -1 64 1 0 0 0 0 0 0 0 18 0 8 0 29740534 826433536 6355 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=26149/tid=26154] ppid=26139 vsize=807064 CPUtime=0.05
/proc/26149/task/26154/stat : 26154 (java) S 26139 26139 25786 0 -1 64 293 0 0 0 5 0 0 0 17 0 8 0 29740534 826433536 6355 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=26149/tid=26155] ppid=26139 vsize=807064 CPUtime=0
/proc/26149/task/26155/stat : 26155 (java) S 26139 26139 25786 0 -1 64 2 0 0 0 0 0 0 0 19 0 8 0 29740534 826433536 6355 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=26149/tid=26156] ppid=26139 vsize=807064 CPUtime=0
/proc/26149/task/26156/stat : 26156 (java) S 26139 26139 25786 0 -1 64 1 0 0 0 0 0 0 0 15 0 8 0 29740534 826433536 6355 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.27
Current children cumulated vsize (KiB) 820788

Child status: 0

!!! problem with CPU time !!!
wait4(...,&childrusage) returns 26139 and gives childrusage.ru_utime.tv_sec=0 childrusage.ru_utime.tv_usec=919860 childrusage.ru_stime.tv_sec=0 childrusage.ru_stime.tv_usec=91986
CPU time returned by wait4() is 1.01185
while last known CPU time is 1.8

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

Real time (s): 2.18967
CPU time (s): 1.8
CPU user time (s): 1.66
CPU system time (s): 0.14
CPU usage (%): 82.2041
Max. virtual memory (cumulated for all children) (KiB): 821100

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.91986
system time used= 0.091986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10202
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= 664
involuntary context switches= 675

runsolver used 0.005999 s user time and 0.012998 s system time

The end

Launcher Data (download as text)

Begin job on node2 on Mon Jan 29 19:10:55 UTC 2007


IDJOB= 210192
IDBENCH= 4600
IDSOLVER= 86
FILE ID= node2/210192-1170097855

PBS_JOBID= 3689469

Free space on /tmp= 66480 MiB

SOLVER NAME= sugar 0.40
BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/ssa/ssa-7552-158.xml
COMMAND LINE= /tmp/evaluation/210192-1170097855/solver /tmp/evaluation/210192-1170097855 /tmp/evaluation/210192-1170097855/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-210192-1170097855 -o ROOT/results/node2/solver-210192-1170097855 -C 1800 -M 900  /tmp/evaluation/210192-1170097855/solver /tmp/evaluation/210192-1170097855 /tmp/evaluation/210192-1170097855/unknown.xml

META MD5SUM SOLVER= 0a27e717dfe98d83d9802fe0eea45073
MD5SUM BENCH=  e52ad62d7f9cb03eba63efbbed113a6f

RANDOM SEED= 686319223

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		: 3000.247
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		: 3000.247
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:       1135144 kB
Buffers:         36064 kB
Cached:         137608 kB
SwapCached:          0 kB
Active:         772592 kB
Inactive:        90956 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1135144 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1644 kB
Writeback:           0 kB
Mapped:         715396 kB
Slab:            40420 kB
Committed_AS:  1039592 kB
PageTables:       3696 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= 66480 MiB



End job on node2 on Mon Jan 29 19:10:57 UTC 2007