Trace number 1786135

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
IUT_BMB_SAT 1.0SAT 0.644901 0.644961

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 IUT_BMB_SAT version 1.0
0.19/0.27	c WARNING: for repeatability, setting FPU to use double precision
0.19/0.27	c ============================[ Problem Statistics ]=============================
0.19/0.27	c |                                                                             |
0.19/0.27	c |  Number of variables:  3655                                                 |
0.19/0.27	c |  Number of clauses:    25964                                                |
0.26/0.30	c |  Parsing time:         0.02         s                                       |
0.26/0.37	c ============================[ Search Statistics ]==============================
0.26/0.37	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.26/0.37	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.26/0.37	c ===============================================================================
0.26/0.37	c |         0 |    2060    19571    68370 |     6523        0    nan |  0.000 % |
0.26/0.38	c |       103 |    2060    19571    68370 |     7176      103      7 |  1.915 % |
0.26/0.39	c |       253 |    2060    19571    68370 |     7893      253     12 |  1.915 % |
0.26/0.40	c |       480 |    2060    19571    68370 |     8683      480     12 |  1.915 % |
0.26/0.43	c |       817 |    2060    19571    68370 |     9551      817     17 |  1.915 % |
0.26/0.46	c |      1324 |    2060    19571    68370 |    10506     1324     16 |  1.915 % |
0.26/0.53	c |      2083 |    2060    19571    68370 |    11557     2083     22 |  1.915 % |
0.26/0.62	c ===============================================================================
0.26/0.62	c restarts              : 7
0.26/0.62	c conflicts             : 2872           (8254 /sec)
0.26/0.62	c decisions             : 7469           (1.22 % random) (21466 /sec)
0.26/0.62	c propagations          : 493076         (1417101 /sec)
0.26/0.62	c conflict literals     : 73690          (22.71 % deleted)
0.26/0.62	c Memory used           : 4.26 MB
0.26/0.62	c CPU time              : 0.347947 s
0.26/0.62	
0.26/0.63	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-1786135-1241948620/watcher-1786135-1241948620 -o /tmp/evaluation-result-1786135-1241948620/solver-1786135-1241948620 -C 5000 -W 6000 -M 1800 IUT_BMB_SAT HOME/instance-1786135-1241948620.cnf HOME 

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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24734
/proc/meminfo: memFree=1832720/2055920 swapFree=4176540/4192956
[pid=24734] ppid=24732 vsize=1592 CPUtime=0
/proc/24734/stat : 24734 (IUT_BMB_SAT) R 24732 24734 24493 0 -1 4194304 191 0 0 0 0 0 0 0 18 0 1 0 222895401 1630208 174 1992294400 134512640 135635285 4294956224 18446744073709551615 134533644 0 0 4096 0 0 0 0 17 0 0 0
/proc/24734/statm: 398 175 90 274 0 121 0

[startup+0.033902 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24734
/proc/meminfo: memFree=1832720/2055920 swapFree=4176540/4192956
[pid=24734] ppid=24732 vsize=2476 CPUtime=0.03
/proc/24734/stat : 24734 (IUT_BMB_SAT) R 24732 24734 24493 0 -1 4194304 442 0 0 0 3 0 0 0 18 0 1 0 222895401 2535424 425 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 0 0 0
/proc/24734/statm: 619 425 97 274 0 342 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2476

[startup+0.102911 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24734
/proc/meminfo: memFree=1832720/2055920 swapFree=4176540/4192956
[pid=24734] ppid=24732 vsize=3532 CPUtime=0.09
/proc/24734/stat : 24734 (IUT_BMB_SAT) R 24732 24734 24493 0 -1 4194304 690 0 0 0 9 0 0 0 18 0 1 0 222895401 3616768 673 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 0 0 0
/proc/24734/statm: 883 674 97 274 0 606 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3532

[startup+0.302932 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24734
/proc/meminfo: memFree=1832720/2055920 swapFree=4176540/4192956
[pid=24734] ppid=24732 vsize=4192 CPUtime=0.26
/proc/24734/stat : 24734 (IUT_BMB_SAT) S 24732 24734 24493 0 -1 4194304 882 0 0 0 16 10 0 0 19 0 1 0 222895401 4292608 864 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/24734/statm: 1048 864 105 274 0 771 0
Current children cumulated CPU time (s) 0.26
Current children cumulated vsize (KiB) 4192

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

[startup+0.50295 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24734
/proc/meminfo: memFree=1832720/2055920 swapFree=4176540/4192956
[pid=24734] ppid=24732 vsize=4192 CPUtime=0.26
/proc/24734/stat : 24734 (IUT_BMB_SAT) S 24732 24734 24493 0 -1 4194304 882 0 0 0 16 10 0 0 19 0 1 0 222895401 4292608 864 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/24734/statm: 1048 864 105 274 0 771 0
Current children cumulated CPU time (s) 0.26
Current children cumulated vsize (KiB) 4192

[startup+0.602961 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 24734
/proc/meminfo: memFree=1832720/2055920 swapFree=4176540/4192956
[pid=24734] ppid=24732 vsize=4192 CPUtime=0.26
/proc/24734/stat : 24734 (IUT_BMB_SAT) S 24732 24734 24493 0 -1 4194304 882 0 0 0 16 10 0 0 19 0 1 0 222895401 4292608 864 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/24734/statm: 1048 864 105 274 0 771 0
Current children cumulated CPU time (s) 0.26
Current children cumulated vsize (KiB) 4192

Child status: 0
Real time (s): 0.644961
CPU time (s): 0.644901
CPU user time (s): 0.528919
CPU system time (s): 0.115982
CPU usage (%): 99.9907
Max. virtual memory (cumulated for all children) (KiB): 4192

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.528919
system time used= 0.115982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2614
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= 8
involuntary context switches= 5

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node17 at 2009-05-10 11:43:40
IDJOB=1786135
IDBENCH=71630
IDSOLVER=638
FILE ID=node17/1786135-1241948620
PBS_JOBID= 9265046
Free space on /tmp= 66260 MiB

SOLVER NAME= IUT_BMB_SAT 1.0
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n5_i5_pp.cnf
COMMAND LINE= IUT_BMB_SAT BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1786135-1241948620/watcher-1786135-1241948620 -o /tmp/evaluation-result-1786135-1241948620/solver-1786135-1241948620 -C 5000 -W 6000 -M 1800  IUT_BMB_SAT HOME/instance-1786135-1241948620.cnf HOME

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

MD5SUM BENCH= 4cb9a7a38406e1e274285b953fde9d8b
RANDOM SEED=881629814

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:       1833200 kB
Buffers:         53264 kB
Cached:         113396 kB
SwapCached:      11228 kB
Active:         119024 kB
Inactive:        60968 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1833200 kB
SwapTotal:     4192956 kB
SwapFree:      4176540 kB
Dirty:            2764 kB
Writeback:           0 kB
Mapped:          14072 kB
Slab:            28692 kB
Committed_AS:   724800 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 11:43:41