Trace number 1733862

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 hiUNSAT 17.9233 17.9281

General information on the benchmark

NameCRAFTED/modcircuits/
owp_4vars_5gates.cnf
MD5SUMfe245e5f46bcc987fd412946151b9c92
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.06099
Satisfiable
(Un)Satisfiability was proved
Number of variables267
Number of clauses23747
Sum of the clauses size136362
Maximum clause length19
Minimum clause length1
Number of clauses of size 164
Number of clauses of size 2700
Number of clauses of size 31
Number of clauses of size 4563
Number of clauses of size 51926
Number of clauses of size over 520493

Solver Data 

1.29/1.36	c main():: ***                                   [ march satisfiability solver ]                                   ***
1.29/1.36	c main()::  **                Copyright (C) 2001-2009 M.J.H. Heule, J.E. van Zwieten, and M. Dufour                 **
1.29/1.36	c main()::   *  This program may be redistributed and/or modified under the terms of the GNU Gereral Public License  *
1.29/1.36	c main()::
1.29/1.36	c initFormula():: searching for DIMACS p-line....
1.29/1.36	c full lookahead due to high density!
1.29/1.36	c initFormula():: the DIMACS p-line indicates a CNF of 267 variables and 23747 clauses.
1.29/1.36	c parseCNF():: parsing....
1.29/1.36	c parseCNF():: the CNF contains 64 unary clauses.
1.29/1.36	c runParser():: parsing was successful, warming up engines...
1.29/1.36	c simplify_formula():: removed 0 tautological, 11710 satisfied and 240 duplicate clauses
1.29/1.36	c preprocessing fase I completed:: there are now 175 free variables and 11797 clauses.
1.29/1.36	c stat :: sign balance is biased by 99.294
1.29/1.36	c using k-SAT heuristics (size based diff)
1.29/1.36	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
1.29/1.36	c simplify_formula():: removed 0 tautological, 0 satisfied and 48974 duplicate clauses
1.29/1.36	c resolvent_look() :: found 54748 resolvents
1.29/1.36	c main():: clause / variable ratio: ( 66545 / 267 ) = 249.23
1.29/1.36	c longest clause has size 11
1.29/1.36	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
1.29/1.36	c number of free variables = 175
1.29/1.36	c dynamic_preselect_setsize :: off
1.29/1.36	c main():: all systems go!
1.29/1.36	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |****************************************************************| (0/7) NodeCount: 131
2.19/2.29	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |****************************************
c |************************************************
c |*************************************************
c |**************************************************
c |****************************************************
c |********************************************************
c |*********************************************************
c |**********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************
c |***************************************************************
c |****************************************************************| (1/7) NodeCount: 1709
5.99/6.06	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |*****************
c |******************
c |********************
c |************************
c |*************************
c |**************************
c |****************************
c |*****************************
c |******************************
c |*******************************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |****************************************
c |*****************************************
c |******************************************
c |********************************************
c |*********************************************
c |**********************************************
c |***********************************************
c |************************************************
c |*************************************************
c |**************************************************
c |****************************************************
c |******************************************************
c |*******************************************************
c |********************************************************
c |**********************************************************
c |***********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************
c |***************************************************************
c |****************************************************************| (2/7) NodeCount: 2855
9.09/9.14	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |**********
c |************
c |*************
c |**************
c |***************
c |****************
c |*****************
c |******************
c |********************
c |*********************
c |**********************
c |***********************
c |************************
c |*************************
c |**************************
c |***************************
c |****************************
c |*****************************
c |******************************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |*************************************
c |**************************************
c |***************************************
c |****************************************
c |*****************************************
c |******************************************
c |*******************************************
c |********************************************
c |*********************************************
c |**********************************************
c |***********************************************
c |************************************************
c |**************************************************
c |***************************************************
c |****************************************************
c |********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************
c |****************************************************************| (3/7) NodeCount: 5664
16.18/16.21	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |*****
c |******
c |*******
c |********
c |**********
c |************
c |*************
c |**************
c |****************
c |*****************
c |******************
c |*******************
c |********************
c |*********************
c |**********************
c |************************
c |*************************
c |**************************
c |***************************
c |****************************
c |********************************
c |*********************************
c |**********************************
c |***********************************
c |************************************
c |*************************************
c |**************************************
c |***************************************
c |****************************************
c |*****************************************
c |******************************************
c |*******************************************
c |********************************************
c |************************************************
c |**************************************************
c |***************************************************
c |****************************************************
c |********************************************************
c |****************************************************************| (4/7) NodeCount: 5771
17.38/17.42	c |----------------------------------------------------------------|
c |**
c |***
c |****
c |*****
c |******
c |********
c |****************
c |*****************
c |******************
c |*******************
c |********************
c |************************
c |********************************
c |*********************************
c |**********************************
c |***********************************
c |************************************
c |****************************************
c |************************************************
c |****************************************************************| (5/7) NodeCount: 5784
17.78/17.81	c |----------------------------------------------------------------|
c |********************************
c |*********************************
c |**********************************
c |************************************
c |****************************************
c |************************************************
c |****************************************************************| (6/7) NodeCount: 5784
17.88/17.91	c |----------------------------------------------------------------|
c |
17.88/17.92	c
17.88/17.92	c main():: nodeCount: 5784
17.88/17.92	c main():: dead ends in main: 443
17.88/17.92	c main():: lookAheadCount: 347529
17.88/17.92	c main():: unitResolveCount: 37469
17.88/17.92	c main():: time=17.900000
17.88/17.92	c main():: necessary_assignments: 2268
17.88/17.92	c main():: bin_sat: 0, bin_unsat 0
17.88/17.92	c main():: doublelook: #: 11599, succes #: 8297
17.88/17.92	c main():: doublelook: overall 3.484 of all possible doublelooks executed
17.88/17.92	c main():: doublelook: succesrate: 71.532, average DL_trigger: 354.152
17.88/17.92	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1733862-1240793264/watcher-1733862-1240793264 -o /tmp/evaluation-result-1733862-1240793264/solver-1733862-1240793264 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_hi HOME/instance-1733862-1240793264.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: 1.92 1.86 1.52 3/64 28278
/proc/meminfo: memFree=1503784/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=1020 CPUtime=0
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 125 0 0 0 0 0 0 0 18 0 1 0 107353577 1044480 110 1992294400 134512640 135197378 4294956224 18446744073709551615 134850709 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 255 110 57 167 0 86 0

[startup+0.0654511 s]
/proc/loadavg: 1.92 1.86 1.52 3/64 28278
/proc/meminfo: memFree=1503784/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=2708 CPUtime=0.06
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 510 0 0 0 6 0 0 0 18 0 1 0 107353577 2772992 389 1992294400 134512640 135197378 4294956224 18446744073709551615 134713223 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 677 389 64 167 0 508 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2708

[startup+0.101453 s]
/proc/loadavg: 1.92 1.86 1.52 3/64 28278
/proc/meminfo: memFree=1503784/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=2708 CPUtime=0.09
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 605 0 0 0 9 0 0 0 18 0 1 0 107353577 2772992 391 1992294400 134512640 135197378 4294956224 18446744073709551615 134917470 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 677 391 66 167 0 508 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2708

[startup+0.301475 s]
/proc/loadavg: 1.92 1.86 1.52 3/64 28278
/proc/meminfo: memFree=1503784/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=3384 CPUtime=0.29
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 857 0 0 0 29 0 0 0 19 0 1 0 107353577 3465216 554 1992294400 134512640 135197378 4294956224 18446744073709551615 134539466 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 846 554 82 167 0 677 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3384

[startup+0.70152 s]
/proc/loadavg: 1.92 1.86 1.52 3/64 28278
/proc/meminfo: memFree=1503784/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=4564 CPUtime=0.69
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 1115 0 0 0 69 0 0 0 22 0 1 0 107353577 4673536 812 1992294400 134512640 135197378 4294956224 18446744073709551615 134697414 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 1141 812 82 167 0 972 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4564

[startup+1.50261 s]
/proc/loadavg: 1.92 1.86 1.52 2/65 28279
/proc/meminfo: memFree=1499616/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=13500 CPUtime=1.49
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 5061 0 0 0 148 1 0 0 25 0 1 0 107353577 13824000 2329 1992294400 134512640 135197378 4294956224 18446744073709551615 134550715 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 3375 2329 89 167 0 3206 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13500

[startup+3.10179 s]
/proc/loadavg: 1.92 1.86 1.52 2/65 28279
/proc/meminfo: memFree=1493984/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=13500 CPUtime=3.09
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 5241 0 0 0 308 1 0 0 25 0 1 0 107353577 13824000 2509 1992294400 134512640 135197378 4294956224 18446744073709551615 134539105 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 3375 2509 92 167 0 3206 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13500

[startup+6.30114 s]
/proc/loadavg: 1.85 1.84 1.51 2/65 28279
/proc/meminfo: memFree=1493856/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=13500 CPUtime=6.29
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 5244 0 0 0 628 1 0 0 25 0 1 0 107353577 13824000 2512 1992294400 134512640 135197378 4294956224 18446744073709551615 134597693 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 3375 2512 92 167 0 3206 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13500

[startup+12.7019 s]
/proc/loadavg: 1.78 1.83 1.51 2/65 28279
/proc/meminfo: memFree=1493792/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=13500 CPUtime=12.69
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 5246 0 0 0 1268 1 0 0 25 0 1 0 107353577 13824000 2514 1992294400 134512640 135197378 4294956224 18446744073709551615 134550718 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 3375 2514 92 167 0 3206 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 13500

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

[startup+15.9012 s]
/proc/loadavg: 1.72 1.81 1.51 2/65 28279
/proc/meminfo: memFree=1493792/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=13500 CPUtime=15.88
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 5247 0 0 0 1587 1 0 0 25 0 1 0 107353577 13824000 2515 1992294400 134512640 135197378 4294956224 18446744073709551615 134550715 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 3375 2515 92 167 0 3206 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 13500

[startup+16.7013 s]
/proc/loadavg: 1.72 1.81 1.51 2/65 28279
/proc/meminfo: memFree=1493792/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=13500 CPUtime=16.68
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 5247 0 0 0 1667 1 0 0 25 0 1 0 107353577 13824000 2515 1992294400 134512640 135197378 4294956224 18446744073709551615 134603252 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 3375 2515 92 167 0 3206 0
Current children cumulated CPU time (s) 16.68
Current children cumulated vsize (KiB) 13500

[startup+17.5014 s]
/proc/loadavg: 1.72 1.81 1.51 2/65 28279
/proc/meminfo: memFree=1493792/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=13500 CPUtime=17.49
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 5247 0 0 0 1748 1 0 0 25 0 1 0 107353577 13824000 2515 1992294400 134512640 135197378 4294956224 18446744073709551615 134603250 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 3375 2515 92 167 0 3206 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 13500

[startup+17.9014 s]
/proc/loadavg: 1.72 1.81 1.51 2/65 28279
/proc/meminfo: memFree=1493792/2055920 swapFree=4192812/4192956
[pid=28278] ppid=28276 vsize=13500 CPUtime=17.88
/proc/28278/stat : 28278 (march_hi) R 28276 28278 28040 0 -1 4194304 5247 0 0 0 1787 1 0 0 25 0 1 0 107353577 13824000 2515 1992294400 134512640 135197378 4294956224 18446744073709551615 134603252 0 0 4096 0 0 0 0 17 1 0 0
/proc/28278/statm: 3375 2515 92 167 0 3206 0
Current children cumulated CPU time (s) 17.88
Current children cumulated vsize (KiB) 13500

Child status: 20
Real time (s): 17.9281
CPU time (s): 17.9233
CPU user time (s): 17.9023
CPU system time (s): 0.020996
CPU usage (%): 99.9731
Max. virtual memory (cumulated for all children) (KiB): 13764

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.9023
system time used= 0.020996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5248
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= 48

runsolver used 0.017997 second user time and 0.045993 second system time

The end

Launcher Data 

Begin job on node59 at 2009-04-27 02:47:44
IDJOB=1733862
IDBENCH=71149
IDSOLVER=521
FILE ID=node59/1733862-1240793264
PBS_JOBID= 9187331
Free space on /tmp= 66396 MiB

SOLVER NAME= march_hi hi
BENCH NAME= SAT09/CRAFTED/modcircuits/owp_4vars_5gates.cnf
COMMAND LINE= HOME/march_hi BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1733862-1240793264/watcher-1733862-1240793264 -o /tmp/evaluation-result-1733862-1240793264/solver-1733862-1240793264 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_hi HOME/instance-1733862-1240793264.cnf

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

MD5SUM BENCH= fe245e5f46bcc987fd412946151b9c92
RANDOM SEED=674271696

node59.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		: 3000.240
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		: 3000.240
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:       1504200 kB
Buffers:         68144 kB
Cached:         401940 kB
SwapCached:          0 kB
Active:         273572 kB
Inactive:       210452 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1504200 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1572 kB
Writeback:           0 kB
Mapped:          23696 kB
Slab:            53628 kB
Committed_AS:   480124 kB
PageTables:       1456 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= 66396 MiB
End job on node59 at 2009-04-27 02:48:02