Trace number 1807452

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
minisat2-core 070721SAT 0.600908 0.601602

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 benchmark0.381941
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	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  3655                                                 |
0.00/0.00	|  Number of clauses:    26264                                                |
0.00/0.01	|  Parsing time:         0.02         s                                       |
0.00/0.01	============================[ Search Statistics ]==============================
0.00/0.01	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	===============================================================================
0.00/0.01	|         0 |    3655    26264    84840 |     8754        0    nan |  0.000 % |
0.00/0.02	|       100 |    3638    26264    84840 |     9630       92      9 |  0.547 % |
0.00/0.03	|       250 |    3632    26264    84840 |    10593      239      9 |  0.739 % |
0.00/0.05	|       475 |    3630    26264    84840 |    11652      463     16 |  0.821 % |
0.07/0.09	|       813 |    3621    26010    84206 |    12817      799     17 |  0.958 % |
0.09/0.13	|      1320 |    3616    25950    84055 |    14099     1304     17 |  1.067 % |
0.19/0.24	|      2079 |    3612    25950    84055 |    15509     2061     21 |  1.204 % |
0.29/0.38	|      3219 |    3611    25891    83905 |    17060     3201     21 |  1.204 % |
0.49/0.59	===============================================================================
0.49/0.59	restarts              : 8
0.49/0.59	conflicts             : 4619           (7751 /sec)
0.49/0.59	decisions             : 12496          (1.50 % random) (20970 /sec)
0.49/0.59	propagations          : 1335042        (2240345 /sec)
0.49/0.59	conflict literals     : 104146         (22.68 % deleted)
0.49/0.59	Memory used           : 3.86 MB
0.49/0.59	CPU time              : 0.595909 s
0.49/0.59	
0.49/0.60	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-1807452-1242157813/watcher-1807452-1242157813 -o /tmp/evaluation-result-1807452-1242157813/solver-1807452-1242157813 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1807452-1242157813.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 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: 0.89 0.94 0.90 3/64 24729
/proc/meminfo: memFree=1352940/2055920 swapFree=4181240/4192956
[pid=24729] ppid=24727 vsize=2236 CPUtime=0
/proc/24729/stat : 24729 (minisat_static) R 24727 24729 24635 0 -1 4194304 306 0 0 0 0 0 0 0 18 0 1 0 243813849 2289664 291 1992294400 134512640 135213614 4294956256 18446744073709551615 134515474 0 0 4096 3 0 0 0 17 1 0 0
/proc/24729/statm: 559 292 58 171 0 385 0

[startup+0.078711 s]
/proc/loadavg: 0.89 0.94 0.90 3/64 24729
/proc/meminfo: memFree=1352940/2055920 swapFree=4181240/4192956
[pid=24729] ppid=24727 vsize=3424 CPUtime=0.07
/proc/24729/stat : 24729 (minisat_static) R 24727 24729 24635 0 -1 4194304 606 0 0 0 7 0 0 0 18 0 1 0 243813849 3506176 591 1992294400 134512640 135213614 4294956256 18446744073709551615 134526736 0 0 4096 3 0 0 0 17 1 0 0
/proc/24729/statm: 856 591 77 171 0 682 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 3424

[startup+0.102711 s]
/proc/loadavg: 0.89 0.94 0.90 3/64 24729
/proc/meminfo: memFree=1352940/2055920 swapFree=4181240/4192956
[pid=24729] ppid=24727 vsize=3424 CPUtime=0.09
/proc/24729/stat : 24729 (minisat_static) R 24727 24729 24635 0 -1 4194304 613 0 0 0 9 0 0 0 18 0 1 0 243813849 3506176 598 1992294400 134512640 135213614 4294956256 18446744073709551615 134526925 0 0 4096 3 0 0 0 17 1 0 0
/proc/24729/statm: 856 598 77 171 0 682 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3424

[startup+0.301734 s]
/proc/loadavg: 0.89 0.94 0.90 3/64 24729
/proc/meminfo: memFree=1352940/2055920 swapFree=4181240/4192956
[pid=24729] ppid=24727 vsize=3556 CPUtime=0.29
/proc/24729/stat : 24729 (minisat_static) R 24727 24729 24635 0 -1 4194304 667 0 0 0 29 0 0 0 19 0 1 0 243813849 3641344 652 1992294400 134512640 135213614 4294956256 18446744073709551615 134526802 0 0 4096 3 0 0 0 17 1 0 0
/proc/24729/statm: 889 652 77 171 0 715 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3556

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

[startup+0.502756 s]
/proc/loadavg: 0.89 0.94 0.90 3/64 24729
/proc/meminfo: memFree=1352940/2055920 swapFree=4181240/4192956
[pid=24729] ppid=24727 vsize=3820 CPUtime=0.49
/proc/24729/stat : 24729 (minisat_static) R 24727 24729 24635 0 -1 4194304 717 0 0 0 49 0 0 0 21 0 1 0 243813849 3911680 702 1992294400 134512640 135213614 4294956256 18446744073709551615 134539778 0 0 4096 3 0 0 0 17 1 0 0
/proc/24729/statm: 955 702 77 171 0 781 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 3820

Child status: 10
Real time (s): 0.601602
CPU time (s): 0.600908
CPU user time (s): 0.597909
CPU system time (s): 0.002999
CPU usage (%): 99.8847
Max. virtual memory (cumulated for all children) (KiB): 3820

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.597909
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 756
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 0.000999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node35 at 2009-05-12 21:50:13
IDJOB=1807452
IDBENCH=71630
IDSOLVER=651
FILE ID=node35/1807452-1242157813
PBS_JOBID= 9289769
Free space on /tmp= 66092 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n5_i5_pp.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1807452-1242157813/watcher-1807452-1242157813 -o /tmp/evaluation-result-1807452-1242157813/solver-1807452-1242157813 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1807452-1242157813.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4cb9a7a38406e1e274285b953fde9d8b
RANDOM SEED=792139540

node35.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		: 3000.214
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		: 3000.214
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:       1353420 kB
Buffers:         65200 kB
Cached:         563288 kB
SwapCached:       6224 kB
Active:          95092 kB
Inactive:       542048 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1353420 kB
SwapTotal:     4192956 kB
SwapFree:      4181240 kB
Dirty:            1292 kB
Writeback:           0 kB
Mapped:          13528 kB
Slab:            51352 kB
Committed_AS:   927672 kB
PageTables:       1396 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= 66092 MiB
End job on node35 at 2009-05-12 21:50:14