Trace number 1519321

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 1.83572 1.83598

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/360/
unif-k3-r4.25-v360-c1530-S1711406314-093.cnf
MD5SUM827e988c6cf21e8a9c90f9f21d3beb6e
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.016996
Satisfiable
(Un)Satisfiability was proved
Number of variables360
Number of clauses1530
Sum of the clauses size4590
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31530
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.01	c main():: ***                                   [ march satisfiability solver ]                                   ***
0.00/0.01	c main()::  **                Copyright (C) 2001-2009 M.J.H. Heule, J.E. van Zwieten, and M. Dufour                 **
0.00/0.01	c main()::   *  This program may be redistributed and/or modified under the terms of the GNU Gereral Public License  *
0.00/0.01	c main()::
0.00/0.01	c initFormula():: searching for DIMACS p-line....
0.00/0.01	c initFormula():: the DIMACS p-line indicates a CNF of 360 variables and 1530 clauses.
0.00/0.01	c parseCNF():: parsing....
0.00/0.01	c parseCNF():: the CNF contains 0 unary clauses.
0.00/0.01	c runParser():: parsing was successful, warming up engines...
0.00/0.01	c simplify_formula():: removed 0 tautological, 14 satisfied and 0 duplicate clauses
0.00/0.01	c preprocessing fase I completed:: there are now 358 free variables and 1516 clauses.
0.00/0.01	c stat :: sign balance is biased by 0.524
0.00/0.01	c using 3-SAT heuristics (occurence based diff)
0.00/0.01	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.00/0.01	c simplify_formula():: removed 0 tautological, 0 satisfied and 155 duplicate clauses
0.00/0.01	c resolvent_look() :: found 103 resolvents
0.00/0.01	c lessRedundantTransformation():: nothing to be done.
0.00/0.01	c transformTo3SAT():: you gave me 360 variables and 1619 clauses.
0.00/0.01	c transformTo3SAT():: by the way, the maximal clause length before transformation was 3.
0.00/0.01	c transformTo3SAT():: I will add 0 variables and 0 clauses!
0.00/0.01	c transformTo3SAT():: the transformation yielded 360 variabels and 1619 clauses.
0.00/0.01	c main():: clause / variable ratio: ( 1619 / 360 ) = 4.50
0.00/0.01	c longest clause has size 3
0.00/0.01	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.00/0.01	c number of free variables = 358
0.00/0.01	c dynamic_preselect_setsize :: off
0.00/0.01	c main():: all systems go!
0.00/0.01	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |****************************************************************| ( 0/17) NodeCount: 138
0.00/0.06	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |****************************************
c |************************************************
c |*************************************************
c |**************************************************
c |****************************************************
c |********************************************************
c |*********************************************************
c |**********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************
c |***************************************************************
c |****************************************************************| ( 1/17) NodeCount: 762
0.19/0.29	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 |****************************************************************| ( 2/17) NodeCount: 3053
1.10/1.17	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 |***************************************
1.79/1.83	c |01100010000000000.1000000000$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$|
1.79/1.83	
c |***************************************
1.79/1.83	c
1.79/1.83	c main():: nodeCount: 4748
1.79/1.83	c main():: dead ends in main: 151
1.79/1.83	c main():: lookAheadCount: 330471
1.79/1.83	c main():: unitResolveCount: 51993
1.79/1.83	c main():: time=1.830000
1.79/1.83	c main():: necessary_assignments: 1349
1.79/1.83	c main():: bin_sat: 0, bin_unsat 0
1.79/1.83	c main():: doublelook: #: 14636, succes #: 9423
1.79/1.83	c main():: doublelook: overall 4.550 of all possible doublelooks executed
1.79/1.83	c main():: doublelook: succesrate: 64.382, average DL_trigger: 43.643
1.79/1.83	c main():: SOLUTION VERIFIED :-)
1.79/1.83	s SATISFIABLE
1.79/1.83	v 1 -2 -3 4 5 6 -7 -8 -9 10 11 -12 -13 14 15 16 17 -18 19 20 21 -22 23 24 -25 26 27 -28 -29 30 -31 -32 33 34 -35 36 -37 38 39 40 41 42 -43 -44 45 46 47 -48 49 -50 51 52 -53 -54 55 56 -57 -58 -59 -60 -61 62 -63 -64 65 66 67 -68 69 70 -71 -72 -73 -74 -75 76 -77 -78 -79 -80 81 -82 83 -84 -85 -86 87 -88 89 -90 91 92 -93 94 95 96 97 -98 -99 100 101 -102 -103 104 105 106 107 -108 -109 -110 -111 -112 -113 -114 -115 116 -117 118 120 121 -123 -124 125 126 127 -128 129 -130 -131 -132 133 -134 -135 136 137 138 -139 -140 -141 142 -143 -144 145 -146 147 -148 -149 -150 151 -152 -153 -154 -155 156 -157 158 159 -160 -161 -162 163 -164 165 166 167 168 169 -170 -171 -172 173 -174 -175 176 -177 -178 179 180 181 182 -183 -184 185 -186 -187 188 189 -190 191 192 -193 -194 195 196 -197 198 199 -200 201 202 -203 204 -205 -206 -207 -208 209 -210 211 -212 213 214 215 -216 -217 218 -219 -220 221 -222 -223 224 -225 -228 -229 -230 -231 232 -234 235 236 -237 -238 -239 -240 -241 242 -243 -244 -245 246 247 -248 249 -250 -251 -252 253 -254 255 -256 257 258 -259 -260 -261 262 263 -264 266 -267 -268 269 270 271 -272 273 274 -275 276 277 -278 -279 280 -281 282 283 -284 285 286 -287 -288 -289 -290 291 292 293 -294 -295 296 -297 298 -299 -300 301 302 303 304 -305 -306 308 309 311 312 -313 314 -315 -316 317 318 319 320 -321 -322 -323 324 -325 -326 -327 -329 330 331 -333 -334 -335 336 -337 -338 -339 -340 -341 -342 343 344 -345 346 -347 -348 -349 -350 -351 352 354 355 356 -357 -358 359 360 0

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1519321-1238309731/watcher-1519321-1238309731 -o /tmp/evaluation-result-1519321-1238309731/solver-1519321-1238309731 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_hi HOME/instance-1519321-1238309731.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: 1.00 0.99 0.99 3/64 6819
/proc/meminfo: memFree=701120/2055920 swapFree=4178472/4192956
[pid=6819] ppid=6817 vsize=972 CPUtime=0
/proc/6819/stat : 6819 (march_hi) R 6817 6819 6257 0 -1 4194304 134 0 0 0 0 0 0 0 18 0 1 0 1103640100 995328 117 1992294400 134512640 135197378 4294956240 18446744073709551615 134560953 0 0 4096 0 0 0 0 17 1 0 0
/proc/6819/statm: 243 117 66 167 0 74 0

[startup+0.0944831 s]
/proc/loadavg: 1.00 0.99 0.99 3/64 6819
/proc/meminfo: memFree=701120/2055920 swapFree=4178472/4192956
[pid=6819] ppid=6817 vsize=1520 CPUtime=0.09
/proc/6819/stat : 6819 (march_hi) R 6817 6819 6257 0 -1 4194304 252 0 0 0 9 0 0 0 18 0 1 0 1103640100 1556480 235 1992294400 134512640 135197378 4294956240 18446744073709551615 134539156 0 0 4096 0 0 0 0 17 1 0 0
/proc/6819/statm: 380 235 91 167 0 211 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1520

[startup+0.101483 s]
/proc/loadavg: 1.00 0.99 0.99 3/64 6819
/proc/meminfo: memFree=701120/2055920 swapFree=4178472/4192956
[pid=6819] ppid=6817 vsize=1520 CPUtime=0.09
/proc/6819/stat : 6819 (march_hi) R 6817 6819 6257 0 -1 4194304 252 0 0 0 9 0 0 0 18 0 1 0 1103640100 1556480 235 1992294400 134512640 135197378 4294956240 18446744073709551615 134718686 0 0 4096 0 0 0 0 17 1 0 0
/proc/6819/statm: 380 235 91 167 0 211 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1520

[startup+0.301506 s]
/proc/loadavg: 1.00 0.99 0.99 3/64 6819
/proc/meminfo: memFree=701120/2055920 swapFree=4178472/4192956
[pid=6819] ppid=6817 vsize=1520 CPUtime=0.29
/proc/6819/stat : 6819 (march_hi) R 6817 6819 6257 0 -1 4194304 263 0 0 0 29 0 0 0 19 0 1 0 1103640100 1556480 246 1992294400 134512640 135197378 4294956240 18446744073709551615 134542358 0 0 4096 0 0 0 0 17 1 0 0
/proc/6819/statm: 380 246 91 167 0 211 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1520

[startup+0.701554 s]
/proc/loadavg: 1.00 0.99 0.99 3/64 6819
/proc/meminfo: memFree=701120/2055920 swapFree=4178472/4192956
[pid=6819] ppid=6817 vsize=1660 CPUtime=0.69
/proc/6819/stat : 6819 (march_hi) R 6817 6819 6257 0 -1 4194304 273 0 0 0 69 0 0 0 22 0 1 0 1103640100 1699840 256 1992294400 134512640 135197378 4294956240 18446744073709551615 134542043 0 0 4096 0 0 0 0 17 1 0 0
/proc/6819/statm: 415 256 91 167 0 246 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1660

[startup+1.50165 s]
/proc/loadavg: 1.00 0.99 0.99 2/65 6820
/proc/meminfo: memFree=700408/2055920 swapFree=4178472/4192956
[pid=6819] ppid=6817 vsize=1660 CPUtime=1.49
/proc/6819/stat : 6819 (march_hi) R 6817 6819 6257 0 -1 4194304 289 0 0 0 149 0 0 0 25 0 1 0 1103640100 1699840 272 1992294400 134512640 135197378 4294956240 18446744073709551615 134601739 0 0 4096 0 0 0 0 17 1 0 0
/proc/6819/statm: 415 272 91 167 0 246 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1660

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

[startup+1.70167 s]
/proc/loadavg: 1.00 0.99 0.99 2/65 6820
/proc/meminfo: memFree=700408/2055920 swapFree=4178472/4192956
[pid=6819] ppid=6817 vsize=1660 CPUtime=1.69
/proc/6819/stat : 6819 (march_hi) R 6817 6819 6257 0 -1 4194304 289 0 0 0 169 0 0 0 25 0 1 0 1103640100 1699840 272 1992294400 134512640 135197378 4294956240 18446744073709551615 134539309 0 0 4096 0 0 0 0 17 1 0 0
/proc/6819/statm: 415 272 91 167 0 246 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 1660

[startup+1.80168 s]
/proc/loadavg: 1.00 0.99 0.99 2/65 6820
/proc/meminfo: memFree=700408/2055920 swapFree=4178472/4192956
[pid=6819] ppid=6817 vsize=1660 CPUtime=1.79
/proc/6819/stat : 6819 (march_hi) R 6817 6819 6257 0 -1 4194304 290 0 0 0 179 0 0 0 25 0 1 0 1103640100 1699840 273 1992294400 134512640 135197378 4294956240 18446744073709551615 134552523 0 0 4096 0 0 0 0 17 1 0 0
/proc/6819/statm: 415 273 91 167 0 246 0
Current children cumulated CPU time (s) 1.79
Current children cumulated vsize (KiB) 1660

Child status: 10
Real time (s): 1.83598
CPU time (s): 1.83572
CPU user time (s): 1.83372
CPU system time (s): 0.001999
CPU usage (%): 99.9856
Max. virtual memory (cumulated for all children) (KiB): 1660

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.83372
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 294
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 0.005999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node1 at 2009-03-29 08:55:31
IDJOB=1519321
IDBENCH=70753
IDSOLVER=521
FILE ID=node1/1519321-1238309731
PBS_JOBID= 9061071
Free space on /tmp= 66108 MiB

SOLVER NAME= march_hi hi
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/360/unif-k3-r4.25-v360-c1530-S1711406314-093.cnf
COMMAND LINE= HOME/march_hi BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1519321-1238309731/watcher-1519321-1238309731 -o /tmp/evaluation-result-1519321-1238309731/solver-1519321-1238309731 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_hi HOME/instance-1519321-1238309731.cnf

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

MD5SUM BENCH= 827e988c6cf21e8a9c90f9f21d3beb6e
RANDOM SEED=1214850617

node1.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		: 3000.229
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		: 3000.229
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:        701600 kB
Buffers:         98536 kB
Cached:        1150268 kB
SwapCached:       8380 kB
Active:         188376 kB
Inactive:      1070548 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        701600 kB
SwapTotal:     4192956 kB
SwapFree:      4178472 kB
Dirty:             788 kB
Writeback:           0 kB
Mapped:          15820 kB
Slab:            81396 kB
Committed_AS:  2890436 kB
PageTables:       1440 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= 66108 MiB
End job on node1 at 2009-03-29 08:55:33