Trace number 1786136

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
SAT07 reference solver: minisat SAT 2007SAT 0.368942 0.368395

General information on the benchmark

NameCRAFTED/parity-games/
instance_n5_i5_pp.cnf
MD5SUM4cb9a7a38406e1e274285b953fde9d8b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.150976
Satisfiable
(Un)Satisfiability was proved
Number of variables3655
Number of clauses26264
Sum of the clauses size84840
Maximum clause length20
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 25890
Number of clauses of size 311155
Number of clauses of size 46635
Number of clauses of size 52505
Number of clauses of size over 579

Solver Data

0.00/0.00	c This is MiniSat 2.0 (Feb 1 2007, SAT-Competition version)
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  3655                                                 |
0.00/0.00	c |  Number of clauses:    26264                                                |
0.00/0.02	c |  Parsing time:         0.02         s                                       |
0.09/0.11	c ============================[ Search Statistics ]==============================
0.09/0.11	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.11	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.11	c ===============================================================================
0.09/0.11	c |         0 |    2151    19887    69519 |     6629        0    nan |  0.000 % |
0.09/0.11	c |       100 |    2151    19887    69519 |     7291      100      9 |  3.420 % |
0.09/0.13	c |       251 |    2151    19887    69519 |     8021      251     18 |  3.420 % |
0.09/0.14	c |       476 |    2151    19887    69519 |     8823      476     17 |  3.420 % |
0.09/0.17	c |       813 |    2151    19887    69519 |     9705      813     20 |  3.420 % |
0.19/0.21	c |      1319 |    2151    19887    69519 |    10676     1319     19 |  3.420 % |
0.19/0.28	c |      2079 |    2151    19887    69519 |    11743     2079     24 |  3.420 % |
0.29/0.36	c ===============================================================================
0.29/0.36	c restarts              : 7
0.29/0.36	c conflicts             : 3124           (8655 /sec)
0.29/0.36	c decisions             : 8992           (1.56 % random) (24912 /sec)
0.29/0.36	c propagations          : 492980         (1365804 /sec)
0.29/0.36	c conflict literals     : 69185          (19.58 % deleted)
0.29/0.36	c Memory used           : 4.32 MB
0.29/0.36	c CPU time              : 0.360945 s
0.29/0.36	c 
0.29/0.36	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-1786136-1241948621/watcher-1786136-1241948621 -o /tmp/evaluation-result-1786136-1241948621/solver-1786136-1241948621 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/minisat_noassertions HOME/instance-1786136-1241948621.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24763
/proc/meminfo: memFree=1833288/2055920 swapFree=4176540/4192956
[pid=24763] ppid=24761 vsize=2304 CPUtime=0
/proc/24763/stat : 24763 (minisat_noasser) R 24761 24763 24493 0 -1 4194304 348 0 0 0 0 0 0 0 18 0 1 0 222895492 2359296 334 1992294400 134512640 135048876 4294956208 18446744073709551615 134531385 0 0 4096 3 0 0 0 17 0 0 0
/proc/24763/statm: 576 334 50 130 0 443 0

[startup+0.0471969 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24763
/proc/meminfo: memFree=1833288/2055920 swapFree=4176540/4192956
[pid=24763] ppid=24761 vsize=4056 CPUtime=0.04
/proc/24763/stat : 24763 (minisat_noasser) R 24761 24763 24493 0 -1 4194304 783 0 0 0 4 0 0 0 18 0 1 0 222895492 4153344 769 1992294400 134512640 135048876 4294956208 18446744073709551615 134529366 0 0 4096 3 0 0 0 17 0 0 0
/proc/24763/statm: 1014 769 62 130 0 881 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4056

[startup+0.101202 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24763
/proc/meminfo: memFree=1833288/2055920 swapFree=4176540/4192956
[pid=24763] ppid=24761 vsize=4784 CPUtime=0.09
/proc/24763/stat : 24763 (minisat_noasser) R 24761 24763 24493 0 -1 4194304 939 0 0 0 9 0 0 0 18 0 1 0 222895492 4898816 925 1992294400 134512640 135048876 4294956208 18446744073709551615 134529689 0 0 4096 3 0 0 0 17 0 0 0
/proc/24763/statm: 1196 925 62 130 0 1063 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4784

[startup+0.301221 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24763
/proc/meminfo: memFree=1833288/2055920 swapFree=4176540/4192956
[pid=24763] ppid=24761 vsize=4420 CPUtime=0.29
/proc/24763/stat : 24763 (minisat_noasser) R 24761 24763 24493 0 -1 4194304 945 0 0 0 29 0 0 0 19 0 1 0 222895492 4526080 856 1992294400 134512640 135048876 4294956208 18446744073709551615 134546847 0 0 4096 3 0 0 0 17 0 0 0
/proc/24763/statm: 1105 856 66 130 0 972 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4420

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

Child status: 10
Real time (s): 0.368395
CPU time (s): 0.368942
CPU user time (s): 0.361944
CPU system time (s): 0.006998
CPU usage (%): 100.149
Max. virtual memory (cumulated for all children) (KiB): 4784

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.361944
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 951
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= 2

runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node17 at 2009-05-10 11:43:41
IDJOB=1786136
IDBENCH=71630
IDSOLVER=639
FILE ID=node17/1786136-1241948621
PBS_JOBID= 9265046
Free space on /tmp= 66260 MiB

SOLVER NAME= SAT07 reference solver: minisat SAT 2007
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n5_i5_pp.cnf
COMMAND LINE= HOME/minisat_noassertions BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1786136-1241948621/watcher-1786136-1241948621 -o /tmp/evaluation-result-1786136-1241948621/solver-1786136-1241948621 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/minisat_noassertions HOME/instance-1786136-1241948621.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4cb9a7a38406e1e274285b953fde9d8b
RANDOM SEED=1838262157

node17.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		: 3000.234
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		: 3000.234
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:       1833832 kB
Buffers:         53312 kB
Cached:         112668 kB
SwapCached:      11228 kB
Active:         118356 kB
Inactive:        60988 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1833832 kB
SwapTotal:     4192956 kB
SwapFree:      4176540 kB
Dirty:            2048 kB
Writeback:           0 kB
Mapped:          14072 kB
Slab:            28776 kB
Committed_AS:   725856 kB
PageTables:       1452 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= 66260 MiB
End job on node17 at 2009-05-10 11:43:42