Trace number 1613317

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: March KS 2007-02-08SAT 7.33888 7.34198

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 benchmark0.181971
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

0.89/0.92	c main():: ***                                   [ march satisfiability solver ]                                   ***
0.89/0.92	c main()::  **            Copyright (C) 2001-2004 M. Dufour, M. Heule, J. van Zwieten and H. van Maaren            **
0.89/0.92	c main()::   * This program may be redistributed and/or modified under the terms of the GNU Gereral Public License *
0.89/0.92	c main()::
0.89/0.92	c initFormula():: searching for DIMACS p-line....
0.89/0.92	c initFormula():: the DIMACS p-line indicates a CNF of 3655 variables and 26264 clauses.
0.89/0.92	c parseCNF():: parsing....
0.89/0.92	c parseCNF():: the CNF contains 0 unary clauses.
0.89/0.92	c runParser():: parsing was successful, warming up engines...
0.89/0.92	c find_and_remove_tautogolies():: found and removed 575 tautologies
0.89/0.92	c find_and_remove_tautogolies():: found and removed 10 tautologies
0.89/0.92	c find_and_remove_tautogolies():: found and removed 5 tautologies
0.89/0.92	c simplify_formula():: removed 320 tautological, 1830 satisfied and 830 duplicate clauses
0.89/0.92	c preprocessing fase I completed:: there are now 2960 free variables and 23284 clauses.
0.89/0.92	c stat :: sign balance is biased by 4.231
0.89/0.92	c find_equivalence():: found 100 3-equivalences
0.89/0.92	c find_and_remove_tautogolies():: found and removed 45 tautologies
0.89/0.92	c find_and_remove_tautogolies():: found and removed 5 tautologies
0.89/0.92	c shorten_equivalence(): average equivalence length reduced from 3.380000 to 3.000000
0.89/0.92	c using k-SAT heuristics (size based diff)
0.89/0.92	c longest clause has size 20
0.89/0.92	c simplify_formula():: removed 0 tautological, 400 satisfied and 78177 duplicate clauses
0.89/0.92	c resolvent_look() :: found 86669 resolvents
0.89/0.92	c main():: clause / variable ratio: ( 109953 / 3655 ) = 30.08
0.89/0.92	c longest clause has size 20
0.89/0.92	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.89/0.92	c dynamic_preselect_setsize :: off
0.89/0.92	c suggested doublelook initial :: 0
0.89/0.92	c main():: all systems go!
0.89/0.92	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |****************************************************************| 0 NC: 133 JD: 7
5.39/5.49	c |----------------------------------------------------------------|
7.29/7.32	c solution bin :: 1000000.0010110000000000000000000
7.29/7.32	c direction branchin :: current_rights = 4
7.29/7.32	
c |
7.29/7.33	c
7.29/7.33	c main():: nodeCount: 236
7.29/7.33	c main():: dead ends in main: 20
7.29/7.33	c main():: lookAheadCount: 74557
7.29/7.33	c main():: unitResolveCount: 42639
7.29/7.33	c main():: time=7.320000
7.29/7.33	c main():: necessary_assignments: 4028
7.29/7.33	c main():: bin_sat: 0, bin_unsat 0
7.29/7.33	c main():: doublelook: #: 392, succes #: 147
7.29/7.33	c main():: doublelook: overall 0.536 of all possible doublelooks executed
7.29/7.33	c main():: doublelook: succesrate: 37.500, average DL_trigger: 6082.402
7.29/7.33	c main():: SOLUTION VERIFIED :-)
7.29/7.33	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-1613317-1239392314/watcher-1613317-1239392314 -o /tmp/evaluation-result-1613317-1239392314/solver-1613317-1239392314 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_ks HOME/instance-1613317-1239392314.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
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: 0.93 0.98 1.16 3/64 12728
/proc/meminfo: memFree=1825208/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=1148 CPUtime=0
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 177 0 0 0 0 0 0 0 18 0 1 0 3871872 1175552 163 1992294400 134512640 135019032 4294956240 18446744073709551615 134684029 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 287 163 47 123 0 162 0

[startup+0.018126 s]
/proc/loadavg: 0.93 0.98 1.16 3/64 12728
/proc/meminfo: memFree=1825208/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=1280 CPUtime=0.01
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 230 0 0 0 1 0 0 0 18 0 1 0 3871872 1310720 216 1992294400 134512640 135019032 4294956240 18446744073709551615 134684029 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 320 216 47 123 0 195 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1280

[startup+0.102136 s]
/proc/loadavg: 0.93 0.98 1.16 3/64 12728
/proc/meminfo: memFree=1825208/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=3660 CPUtime=0.09
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 740 0 0 0 9 0 0 0 18 0 1 0 3871872 3747840 608 1992294400 134512640 135019032 4294956240 18446744073709551615 134554767 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 915 608 52 123 0 790 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3660

[startup+0.301157 s]
/proc/loadavg: 0.93 0.98 1.16 3/64 12728
/proc/meminfo: memFree=1825208/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=7104 CPUtime=0.28
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 1514 0 0 0 28 0 0 0 19 0 1 0 3871872 7274496 1380 1992294400 134512640 135019032 4294956240 18446744073709551615 134662703 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 1776 1380 66 123 0 1651 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 7104

[startup+0.701202 s]
/proc/loadavg: 0.93 0.98 1.16 3/64 12728
/proc/meminfo: memFree=1825208/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=10312 CPUtime=0.69
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 4222 0 0 0 67 2 0 0 22 0 1 0 3871872 10559488 2251 1992294400 134512640 135019032 4294956240 18446744073709551615 134554755 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 2578 2251 66 123 0 2453 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10312

[startup+1.50129 s]
/proc/loadavg: 0.93 0.98 1.16 2/65 12729
/proc/meminfo: memFree=1811824/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=16704 CPUtime=1.49
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 6931 0 0 0 146 3 0 0 25 0 1 0 3871872 17104896 3402 1992294400 134512640 135019032 4294956240 18446744073709551615 134526947 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 4176 3402 72 123 0 4051 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 16704

[startup+3.10148 s]
/proc/loadavg: 0.93 0.98 1.16 2/65 12729
/proc/meminfo: memFree=1811696/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=16704 CPUtime=3.09
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 6931 0 0 0 306 3 0 0 25 0 1 0 3871872 17104896 3402 1992294400 134512640 135019032 4294956240 18446744073709551615 134526970 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 4176 3402 72 123 0 4051 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16704

[startup+6.30184 s]
/proc/loadavg: 0.93 0.98 1.16 2/65 12729
/proc/meminfo: memFree=1811504/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=16968 CPUtime=6.29
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 6981 0 0 0 626 3 0 0 25 0 1 0 3871872 17375232 3452 1992294400 134512640 135019032 4294956240 18446744073709551615 134543168 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 4242 3452 72 123 0 4117 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 16968

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

[startup+7.10193 s]
/proc/loadavg: 0.94 0.98 1.16 2/65 12729
/proc/meminfo: memFree=1811384/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=17232 CPUtime=7.09
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 7036 0 0 0 706 3 0 0 25 0 1 0 3871872 17645568 3507 1992294400 134512640 135019032 4294956240 18446744073709551615 134526947 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 4308 3507 72 123 0 4183 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 17232

[startup+7.30196 s]
/proc/loadavg: 0.94 0.98 1.16 2/65 12729
/proc/meminfo: memFree=1811384/2055920 swapFree=4192956/4192956
[pid=12728] ppid=12726 vsize=17232 CPUtime=7.29
/proc/12728/stat : 12728 (march_ks) R 12726 12728 12606 0 -1 4194304 7039 0 0 0 726 3 0 0 25 0 1 0 3871872 17645568 3510 1992294400 134512640 135019032 4294956240 18446744073709551615 134578727 0 0 4096 0 0 0 0 17 1 0 0
/proc/12728/statm: 4308 3510 72 123 0 4183 0
Current children cumulated CPU time (s) 7.29
Current children cumulated vsize (KiB) 17232

Child status: 10
Real time (s): 7.34198
CPU time (s): 7.33888
CPU user time (s): 7.30089
CPU system time (s): 0.037994
CPU usage (%): 99.9579
Max. virtual memory (cumulated for all children) (KiB): 18820

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.30089
system time used= 0.037994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7042
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= 3
involuntary context switches= 17

runsolver used 0.010998 second user time and 0.021996 second system time

The end

Launcher Data

Begin job on node37 at 2009-04-10 21:38:34
IDJOB=1613317
IDBENCH=71630
IDSOLVER=559
FILE ID=node37/1613317-1239392314
PBS_JOBID= 9132687
Free space on /tmp= 66460 MiB

SOLVER NAME= SAT07 reference solver: March KS 2007-02-08
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n5_i5_pp.cnf
COMMAND LINE= HOME/march_ks BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1613317-1239392314/watcher-1613317-1239392314 -o /tmp/evaluation-result-1613317-1239392314/solver-1613317-1239392314 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_ks HOME/instance-1613317-1239392314.cnf            

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

MD5SUM BENCH= 4cb9a7a38406e1e274285b953fde9d8b
RANDOM SEED=650624701

node37.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		: 3000.213
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		: 3000.213
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:       1825688 kB
Buffers:         51204 kB
Cached:         113220 kB
SwapCached:          0 kB
Active:          85132 kB
Inactive:        92704 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1825688 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3620 kB
Writeback:           0 kB
Mapped:          23152 kB
Slab:            38488 kB
Committed_AS:    83520 kB
PageTables:       1372 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= 66456 MiB
End job on node37 at 2009-04-10 21:38:41