Trace number 1775012

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
MiniSat 2.1 (Sat-race'08 Edition)SAT 3.2815 3.28331

General information on the benchmark

NameAPPLICATIONS/satComp09_BioInstances/
rbcl_xits_14_SAT.cnf
MD5SUM0678a0ef5b4345961915559db9bf689b
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.22366
Satisfiable
(Un)Satisfiability was proved
Number of variables2220
Number of clauses148488
Sum of the clauses size442317
Maximum clause length15
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 23423
Number of clauses of size 3145042
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 523

Solver Data 

0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.09/0.12	c |  Number of variables:          2220                                         |
0.09/0.12	c |  Number of clauses:          148488                                         |
0.09/0.12	c |  Parse time:                   0.11 s                                       |
2.19/2.27	c |  Simplification time:          2.15 s                                       |
2.19/2.27	c |                                                                             |
2.19/2.28	c ============================[ Search Statistics ]==============================
2.19/2.28	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
2.19/2.28	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
2.19/2.28	c ===============================================================================
2.19/2.28	c |       100 |    1507   144069   455614 |    52825      100     54 |  0.000 % |
2.19/2.29	c |       250 |    1507   144069   455614 |    58107      250     66 |  0.000 % |
2.29/2.30	c |       475 |    1507   144069   455614 |    63918      475     65 |  0.000 % |
2.29/2.32	c |       812 |    1507   144069   455614 |    70310      812     68 |  0.000 % |
2.29/2.36	c |      1318 |    1507   144069   455614 |    77341     1318     70 |  0.000 % |
2.39/2.41	c |      2077 |    1507   144069   455614 |    85075     2077     72 |  0.000 % |
2.39/2.47	c |      3216 |    1507   144069   455614 |    93583     3216     73 |  0.000 % |
2.49/2.59	c |      4924 |    1507   144069   455614 |   102941     4924     71 |  0.000 % |
2.69/2.77	c |      7486 |    1507   144069   455614 |   113235     7486     75 |  0.000 % |
2.99/3.08	c |     11330 |    1507   144069   455614 |   124559    11330     78 |  0.000 % |
3.19/3.27	c ===============================================================================
3.19/3.27	c restarts              : 60
3.19/3.27	c conflicts             : 13259          (4069 /sec)
3.19/3.27	c decisions             : 24406          (7490 /sec)
3.19/3.27	c propagations          : 862470         (264683 /sec)
3.19/3.27	c conflict literals     : 1040216        (5.56 % deleted)
3.19/3.27	c Memory used           : 16.11 MB
3.19/3.27	c CPU time              : 3.2585 s
3.19/3.27	c 
3.19/3.28	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1775012-1241223082/watcher-1775012-1241223082 -o /tmp/evaluation-result-1775012-1241223082/solver-1775012-1241223082 -C 10000 -W 12000 -M 1800 HOME/minisat HOME/instance-1775012-1241223082.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 30048
/proc/meminfo: memFree=1476048/2055920 swapFree=4180196/4192956
[pid=30048] ppid=30046 vsize=7620 CPUtime=0
/proc/30048/stat : 30048 (minisat) R 30046 30048 29949 0 -1 4194304 446 0 0 0 0 0 0 0 18 0 1 0 150342046 7802880 430 1992294400 4194304 5092341 548682068848 18446744073709551615 4515625 0 0 4096 3 0 0 0 17 1 0 0
/proc/30048/statm: 1905 430 63 219 0 1683 0

[startup+0.0785831 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 30048
/proc/meminfo: memFree=1476048/2055920 swapFree=4180196/4192956
[pid=30048] ppid=30046 vsize=12048 CPUtime=0.06
/proc/30048/stat : 30048 (minisat) R 30046 30048 29949 0 -1 4194304 2142 0 0 0 6 0 0 0 18 0 1 0 150342046 12337152 1933 1992294400 4194304 5092341 548682068848 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/30048/statm: 3012 1934 63 219 0 2790 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 12048

[startup+0.101586 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 30048
/proc/meminfo: memFree=1476048/2055920 swapFree=4180196/4192956
[pid=30048] ppid=30046 vsize=13116 CPUtime=0.09
/proc/30048/stat : 30048 (minisat) R 30046 30048 29949 0 -1 4194304 2598 0 0 0 9 0 0 0 18 0 1 0 150342046 13430784 2389 1992294400 4194304 5092341 548682068848 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/30048/statm: 3279 2391 63 219 0 3057 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13116

[startup+0.301623 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 30048
/proc/meminfo: memFree=1476048/2055920 swapFree=4180196/4192956
[pid=30048] ppid=30046 vsize=14440 CPUtime=0.29
/proc/30048/stat : 30048 (minisat) R 30046 30048 29949 0 -1 4194304 3158 0 0 0 29 0 0 0 19 0 1 0 150342046 14786560 2813 1992294400 4194304 5092341 548682068848 18446744073709551615 4219568 0 0 4096 3 0 0 0 17 1 0 0
/proc/30048/statm: 3610 2813 87 219 0 3388 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14440

[startup+0.701696 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 30048
/proc/meminfo: memFree=1476048/2055920 swapFree=4180196/4192956
[pid=30048] ppid=30046 vsize=14440 CPUtime=0.69
/proc/30048/stat : 30048 (minisat) R 30046 30048 29949 0 -1 4194304 3159 0 0 0 69 0 0 0 22 0 1 0 150342046 14786560 2814 1992294400 4194304 5092341 548682068848 18446744073709551615 4219711 0 0 4096 3 0 0 0 17 1 0 0
/proc/30048/statm: 3610 2814 88 219 0 3388 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14440

[startup+1.50185 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 30049
/proc/meminfo: memFree=1465032/2055920 swapFree=4180196/4192956
[pid=30048] ppid=30046 vsize=14704 CPUtime=1.49
/proc/30048/stat : 30048 (minisat) R 30046 30048 29949 0 -1 4194304 3275 0 0 0 149 0 0 0 25 0 1 0 150342046 15056896 2930 1992294400 4194304 5092341 548682068848 18446744073709551615 4219707 0 0 4096 3 0 0 0 17 1 0 0
/proc/30048/statm: 3676 2930 88 219 0 3454 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14704

[startup+3.10114 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 30049
/proc/meminfo: memFree=1464328/2055920 swapFree=4180196/4192956
[pid=30048] ppid=30046 vsize=16488 CPUtime=3.09
/proc/30048/stat : 30048 (minisat) R 30046 30048 29949 0 -1 4194304 4773 0 0 0 308 1 0 0 25 0 1 0 150342046 16883712 3454 1992294400 4194304 5092341 548682068848 18446744073709551615 4241067 0 0 4096 3 0 0 0 17 1 0 0
/proc/30048/statm: 4122 3454 102 219 0 3900 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16488

Solver just ended. Dumping a history of the last processes samples

[startup+3.20216 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 30049
/proc/meminfo: memFree=1461896/2055920 swapFree=4180196/4192956
[pid=30048] ppid=30046 vsize=16488 CPUtime=3.19
/proc/30048/stat : 30048 (minisat) R 30046 30048 29949 0 -1 4194304 4866 0 0 0 318 1 0 0 25 0 1 0 150342046 16883712 3547 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/30048/statm: 4122 3547 102 219 0 3900 0
Current children cumulated CPU time (s) 3.19
Current children cumulated vsize (KiB) 16488

Child status: 10
Real time (s): 3.28331
CPU time (s): 3.2815
CPU user time (s): 3.2595
CPU system time (s): 0.021996
CPU usage (%): 99.9449
Max. virtual memory (cumulated for all children) (KiB): 16488

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.2595
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4929
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= 2
involuntary context switches= 8

runsolver used 0.003999 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node7 at 2009-05-02 02:11:22
IDJOB=1775012
IDBENCH=71075
IDSOLVER=608
FILE ID=node7/1775012-1241223082
PBS_JOBID= 9224764
Free space on /tmp= 66484 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/satComp09_BioInstances/rbcl_xits_14_SAT.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1775012-1241223082/watcher-1775012-1241223082 -o /tmp/evaluation-result-1775012-1241223082/solver-1775012-1241223082 -C 10000 -W 12000 -M 1800  HOME/minisat HOME/instance-1775012-1241223082.cnf

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 0678a0ef5b4345961915559db9bf689b
RANDOM SEED=1352855592

node7.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.256
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		: 3000.256
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:       1476464 kB
Buffers:         77980 kB
Cached:         404512 kB
SwapCached:       7108 kB
Active:          23228 kB
Inactive:       467736 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1476464 kB
SwapTotal:     4192956 kB
SwapFree:      4180196 kB
Dirty:            3328 kB
Writeback:           0 kB
Mapped:          13488 kB
Slab:            74412 kB
Committed_AS:  1011012 kB
PageTables:       1456 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 node7 at 2009-05-02 02:11:25