Trace number 1722112

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
march_hi hiSAT 53.9628 53.9783

General information on the benchmark

NameAPPLICATIONS/satComp09_BioInstances/
rpoc_xits_17_SAT.cnf
MD5SUM4607e45ceb8682e35172b7d697608fbf
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.152976
Satisfiable
(Un)Satisfiability was proved
Number of variables2718
Number of clauses215000
Sum of the clauses size641260
Maximum clause length18
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 24085
Number of clauses of size 3210892
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 523

Solver Data 

32.18/32.25	c main():: ***                                   [ march satisfiability solver ]                                   ***
32.18/32.25	c main()::  **                Copyright (C) 2001-2009 M.J.H. Heule, J.E. van Zwieten, and M. Dufour                 **
32.18/32.25	c main()::   *  This program may be redistributed and/or modified under the terms of the GNU Gereral Public License  *
32.18/32.25	c main()::
32.18/32.25	c initFormula():: searching for DIMACS p-line....
32.18/32.25	c full lookahead due to high density!
32.18/32.25	c initFormula():: the DIMACS p-line indicates a CNF of 2718 variables and 215000 clauses.
32.18/32.25	c parseCNF():: parsing....
32.18/32.25	c parseCNF():: the CNF contains 0 unary clauses.
32.18/32.25	c runParser():: parsing was successful, warming up engines...
32.18/32.25	c find_and_remove_tautogolies():: found and removed 67 tautologies
32.18/32.25	c find_and_remove_tautogolies():: found and removed 67 tautologies
32.18/32.25	c simplify_formula():: removed 0 tautological, 268 satisfied and 67 duplicate clauses
32.18/32.25	c preprocessing fase I completed:: there are now 2584 free variables and 214665 clauses.
32.18/32.25	c stat :: sign balance is biased by 66.211
32.18/32.25	c using k-SAT heuristics (size based diff)
32.18/32.25	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
32.18/32.25	c simplify_formula():: removed 0 tautological, 0 satisfied and 9262224 duplicate clauses
32.18/32.25	c resolvent_look() :: found 3128 resolvents
32.18/32.25	c main():: clause / variable ratio: ( 217793 / 2718 ) = 80.13
32.18/32.25	c longest clause has size 18
32.18/32.25	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
32.18/32.25	c number of free variables = 2584
32.18/32.25	c dynamic_preselect_setsize :: off
32.18/32.25	c main():: all systems go!
32.18/32.25	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |****************************************************************| ( 0/999) NodeCount: 464
35.58/35.61	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |****************************************
c |************************************************
c |*************************************************
c |**************************************************
c |****************************************************
c |********************************************************
c |*********************************************************
c |**********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************
c |***************************************************************
53.88/53.91	c |000000100000000000000000000000000000000000000000000000000000000|
53.88/53.91	
c |***************************************************************
53.88/53.91	c
53.88/53.91	c main():: nodeCount: 2219
53.88/53.91	c main():: dead ends in main: 10
53.88/53.91	c main():: lookAheadCount: 151985
53.88/53.91	c main():: unitResolveCount: 18513
53.88/53.91	c main():: time=53.900000
53.88/53.91	c main():: necessary_assignments: 809
53.88/53.91	c main():: bin_sat: 0, bin_unsat 0
53.88/53.91	c main():: doublelook: #: 5260, succes #: 219
53.88/53.91	c main():: doublelook: overall 3.492 of all possible doublelooks executed
53.88/53.91	c main():: doublelook: succesrate: 4.163, average DL_trigger: 3523.375
53.88/53.91	c main():: SOLUTION VERIFIED :-)
53.88/53.91	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-1722112-1240672824/watcher-1722112-1240672824 -o /tmp/evaluation-result-1722112-1240672824/solver-1722112-1240672824 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_hi HOME/instance-1722112-1240672824.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: 1.01 1.00 1.00 3/65 17755
/proc/meminfo: memFree=1709032/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=2648 CPUtime=0
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 353 0 0 0 0 0 0 0 18 0 1 0 95310252 2711552 338 1992294400 134512640 135197378 4294956224 18446744073709551615 134718590 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 662 338 57 167 0 493 0

[startup+0.0771449 s]
/proc/loadavg: 1.01 1.00 1.00 3/65 17755
/proc/meminfo: memFree=1709032/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=3572 CPUtime=0.07
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 607 0 0 0 7 0 0 0 18 0 1 0 95310252 3657728 592 1992294400 134512640 135197378 4294956224 18446744073709551615 134849158 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 893 592 57 167 0 724 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 3572

[startup+0.101146 s]
/proc/loadavg: 1.01 1.00 1.00 3/65 17755
/proc/meminfo: memFree=1709032/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=3836 CPUtime=0.09
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 692 0 0 0 9 0 0 0 18 0 1 0 95310252 3928064 677 1992294400 134512640 135197378 4294956224 18446744073709551615 134697414 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 959 677 57 167 0 790 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3836

[startup+0.301165 s]
/proc/loadavg: 1.01 1.00 1.00 3/65 17755
/proc/meminfo: memFree=1709032/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=5948 CPUtime=0.29
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 1386 0 0 0 28 1 0 0 19 0 1 0 95310252 6090752 1371 1992294400 134512640 135197378 4294956224 18446744073709551615 134718590 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 1487 1371 57 167 0 1318 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5948

[startup+0.701205 s]
/proc/loadavg: 1.01 1.00 1.00 3/65 17755
/proc/meminfo: memFree=1709032/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=16320 CPUtime=0.69
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 5638 0 0 0 66 3 0 0 22 0 1 0 95310252 16711680 2145 1992294400 134512640 135197378 4294956224 18446744073709551615 134565242 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 4080 2145 66 167 0 3911 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16320

[startup+1.50128 s]
/proc/loadavg: 1.01 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1700320/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=16580 CPUtime=1.49
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 15708 0 0 0 142 7 0 0 25 0 1 0 95310252 16977920 2199 1992294400 134512640 135197378 4294956224 18446744073709551615 134713223 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 4145 2199 81 167 0 3976 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 16580

[startup+3.10144 s]
/proc/loadavg: 1.01 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1690144/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=41236 CPUtime=3.09
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 23248 0 0 0 299 10 0 0 25 0 1 0 95310252 42225664 7862 1992294400 134512640 135197378 4294956224 18446744073709551615 134578450 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 10309 7862 82 167 0 10140 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 41236

[startup+6.30175 s]
/proc/loadavg: 1.01 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1648544/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=92740 CPUtime=6.29
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 33328 0 0 0 614 15 0 0 25 0 1 0 95310252 94965760 17942 1992294400 134512640 135197378 4294956224 18446744073709551615 134578450 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 23185 17942 82 167 0 23016 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 92740

[startup+12.7014 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1565536/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=178968 CPUtime=12.69
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 53357 0 0 0 1245 24 0 0 25 0 1 0 95310252 183263232 37971 1992294400 134512640 135197378 4294956224 18446744073709551615 134697414 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 44742 37971 82 167 0 44573 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 178968

[startup+25.5016 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1432224/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=306008 CPUtime=25.49
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 142699 0 0 0 2485 64 0 0 25 0 1 0 95310252 313352192 70087 1992294400 134512640 135197378 4294956224 18446744073709551615 134565212 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 76502 70087 82 167 0 76333 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 306008

[startup+51.1011 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1482336/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=232840 CPUtime=51.08
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 147586 0 0 0 5042 66 0 0 25 0 1 0 95310252 238428160 56458 1992294400 134512640 135197378 4294956224 18446744073709551615 134539117 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 58210 56458 92 167 0 58041 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 232840

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

[startup+52.7013 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1482336/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=232840 CPUtime=52.68
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 147586 0 0 0 5202 66 0 0 25 0 1 0 95310252 238428160 56458 1992294400 134512640 135197378 4294956224 18446744073709551615 134550709 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 58210 56458 92 167 0 58041 0
Current children cumulated CPU time (s) 52.68
Current children cumulated vsize (KiB) 232840

[startup+53.5014 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1482336/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=232840 CPUtime=53.47
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 147586 0 0 0 5281 66 0 0 25 0 1 0 95310252 238428160 56458 1992294400 134512640 135197378 4294956224 18446744073709551615 134524890 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 58210 56458 92 167 0 58041 0
Current children cumulated CPU time (s) 53.47
Current children cumulated vsize (KiB) 232840

[startup+53.9054 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 17756
/proc/meminfo: memFree=1482336/2055920 swapFree=4192812/4192956
[pid=17755] ppid=17753 vsize=232844 CPUtime=53.88
/proc/17755/stat : 17755 (march_hi) R 17753 17755 17194 0 -1 4194304 147587 0 0 0 5322 66 0 0 25 0 1 0 95310252 238432256 56459 1992294400 134512640 135197378 4294956224 18446744073709551615 134548465 0 0 4096 0 0 0 0 17 1 0 0
/proc/17755/statm: 58211 56459 92 167 0 58042 0
Current children cumulated CPU time (s) 53.88
Current children cumulated vsize (KiB) 232844

Child status: 10
Real time (s): 53.9783
CPU time (s): 53.9628
CPU user time (s): 53.2559
CPU system time (s): 0.706892
CPU usage (%): 99.9713
Max. virtual memory (cumulated for all children) (KiB): 370480

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 53.2559
system time used= 0.706892
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 147590
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= 5
involuntary context switches= 121

runsolver used 0.055991 second user time and 0.133979 second system time

The end

Launcher Data 

Begin job on node56 at 2009-04-25 17:20:25
IDJOB=1722112
IDBENCH=71083
IDSOLVER=521
FILE ID=node56/1722112-1240672824
PBS_JOBID= 9186552
Free space on /tmp= 103004 MiB

SOLVER NAME= march_hi hi
BENCH NAME= SAT09/APPLICATIONS/satComp09_BioInstances/rpoc_xits_17_SAT.cnf
COMMAND LINE= HOME/march_hi BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1722112-1240672824/watcher-1722112-1240672824 -o /tmp/evaluation-result-1722112-1240672824/solver-1722112-1240672824 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_hi HOME/instance-1722112-1240672824.cnf

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

MD5SUM BENCH= 4607e45ceb8682e35172b7d697608fbf
RANDOM SEED=954002330

node56.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		: 3000.218
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		: 3000.218
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:       1709448 kB
Buffers:         45420 kB
Cached:         215692 kB
SwapCached:        144 kB
Active:         106400 kB
Inactive:       169332 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1709448 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4468 kB
Writeback:           0 kB
Mapped:          24476 kB
Slab:            56656 kB
Committed_AS:   292108 kB
PageTables:       1468 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= 103004 MiB
End job on node56 at 2009-04-25 17:21:19