Trace number 1545044

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 4.42933 4.43191

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/360/
unif-k3-r4.25-v360-c1530-S1293537826-039.cnf
MD5SUM3cbdb12135a22f8cc0405b84f56b2b22
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.051991
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) 2001-2004 M. Dufour, M. Heule, J. van Zwieten and H. van Maaren            **
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, 0 satisfied and 0 duplicate clauses
0.00/0.01	c preprocessing fase I completed:: there are now 360 free variables and 1530 clauses.
0.00/0.01	c stat :: sign balance is biased by 0.439
0.00/0.01	c shorten_equivalence(): average equivalence length reduced from nan to nan
0.00/0.01	c using 3-SAT heuristics (occurence based diff)
0.00/0.01	c longest clause has size 3
0.00/0.01	c simplify_formula():: removed 0 tautological, 0 satisfied and 167 duplicate clauses
0.00/0.01	c resolvent_look() :: found 94 resolvents
0.00/0.01	c lessRedundantTransformation():: nothing to be done.
0.00/0.01	c transformTo3SAT():: you gave me 360 variables and 1624 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 1624 clauses.
0.00/0.01	c main():: clause / variable ratio: ( 1624 / 360 ) = 4.51
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 dynamic_preselect_setsize :: off
0.00/0.01	c suggested doublelook initial :: 0
0.00/0.01	c main():: all systems go!
0.00/0.01	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |****************************************************************| 0 NC: 136 JD: 16
0.03/0.05	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |****************************************
c |************************************************
c |*************************************************
c |**************************************************
c |****************************************************
c |********************************************************
c |*********************************************************
c |**********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************
c |***************************************************************
c |****************************************************************| 1 NC: 1187 JD: 16
0.39/0.43	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 NC: 6774 JD: 16
2.49/2.51	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 |***************************************
4.40/4.43	c solution bin :: 0110000000000001.0000000000000000
4.40/4.43	c direction branchin :: current_rights = 3
4.40/4.43	
c |***************************************
4.40/4.43	c
4.40/4.43	c main():: nodeCount: 12038
4.40/4.43	c main():: dead ends in main: 527
4.40/4.43	c main():: lookAheadCount: 745920
4.40/4.43	c main():: unitResolveCount: 159468
4.40/4.43	c main():: time=4.420000
4.40/4.43	c main():: necessary_assignments: 3110
4.40/4.43	c main():: bin_sat: 0, bin_unsat 0
4.40/4.43	c main():: doublelook: #: 43478, succes #: 31778
4.40/4.43	c main():: doublelook: overall 6.061 of all possible doublelooks executed
4.40/4.43	c main():: doublelook: succesrate: 73.090, average DL_trigger: 6009.125
4.40/4.43	c main():: SOLUTION VERIFIED :-)
4.40/4.43	s SATISFIABLE
4.40/4.43	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 -118 119 -120 121 122 -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 -219 220 221 222 223 224 225 226 -227 228 229 230 -231 -232 233 234 -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 -265 266 267 -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 -306 307 -308 309 310 311 312 -313 -314 315 -316 -317 318 319 320 -321 322 323 324 325 -326 327 328 329 -330 331 -332 -333 -334 -335 -336 -337 -338 -339 340 341 -342 343 344 345 346 -347 -348 349 -350 351 352 353 354 -355 -356 357 358 -359 -360 0

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-1545044-1238615076/watcher-1545044-1238615076 -o /tmp/evaluation-result-1545044-1238615076/solver-1545044-1238615076 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_ks HOME/instance-1545044-1238615076.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 1.00 0.93 3/64 21875
/proc/meminfo: memFree=1392528/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=792 CPUtime=0
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 130 0 0 0 0 0 0 0 18 0 1 0 738400081 811008 113 1992294400 134512640 135019032 4294956240 18446744073709551615 134520831 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 198 113 63 123 0 73 0

[startup+0.0385129 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 21875
/proc/meminfo: memFree=1392528/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1092 CPUtime=0.03
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 224 0 0 0 3 0 0 0 18 0 1 0 738400081 1118208 207 1992294400 134512640 135019032 4294956240 18446744073709551615 134526476 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 273 207 73 123 0 148 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 1092

[startup+0.101522 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 21875
/proc/meminfo: memFree=1392528/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1092 CPUtime=0.09
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 231 0 0 0 9 0 0 0 18 0 1 0 738400081 1118208 214 1992294400 134512640 135019032 4294956240 18446744073709551615 134526496 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 273 214 73 123 0 148 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1092

[startup+0.301551 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 21875
/proc/meminfo: memFree=1392528/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1224 CPUtime=0.29
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 243 0 0 0 29 0 0 0 19 0 1 0 738400081 1253376 226 1992294400 134512640 135019032 4294956240 18446744073709551615 134526432 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 306 226 73 123 0 181 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1224

[startup+0.701607 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 21875
/proc/meminfo: memFree=1392528/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1224 CPUtime=0.69
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 250 0 0 0 69 0 0 0 23 0 1 0 738400081 1253376 233 1992294400 134512640 135019032 4294956240 18446744073709551615 134564737 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 306 233 73 123 0 181 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1224

[startup+1.50172 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21876
/proc/meminfo: memFree=1391880/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1224 CPUtime=1.49
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 259 0 0 0 149 0 0 0 25 0 1 0 738400081 1253376 242 1992294400 134512640 135019032 4294956240 18446744073709551615 134526505 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 306 242 73 123 0 181 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1224

[startup+3.10195 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21876
/proc/meminfo: memFree=1391688/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1360 CPUtime=3.09
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 268 0 0 0 309 0 0 0 21 0 1 0 738400081 1392640 251 1992294400 134512640 135019032 4294956240 18446744073709551615 134598346 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 340 251 73 123 0 215 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1360

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

[startup+3.90106 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21876
/proc/meminfo: memFree=1391688/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1360 CPUtime=3.89
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 271 0 0 0 389 0 0 0 25 0 1 0 738400081 1392640 254 1992294400 134512640 135019032 4294956240 18446744073709551615 134579563 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 340 254 73 123 0 215 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 1360

[startup+4.30112 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21876
/proc/meminfo: memFree=1391688/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1360 CPUtime=4.3
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 272 0 0 0 430 0 0 0 25 0 1 0 738400081 1392640 255 1992294400 134512640 135019032 4294956240 18446744073709551615 134564571 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 340 255 73 123 0 215 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 1360

[startup+4.40613 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21876
/proc/meminfo: memFree=1391688/2055920 swapFree=4179868/4192956
[pid=21875] ppid=21873 vsize=1360 CPUtime=4.4
/proc/21875/stat : 21875 (march_ks) R 21873 21875 21463 0 -1 4194304 272 0 0 0 440 0 0 0 25 0 1 0 738400081 1392640 255 1992294400 134512640 135019032 4294956240 18446744073709551615 134526499 0 0 4096 0 0 0 0 17 0 0 0
/proc/21875/statm: 340 255 73 123 0 215 0
Current children cumulated CPU time (s) 4.4
Current children cumulated vsize (KiB) 1360

Child status: 10
Real time (s): 4.43191
CPU time (s): 4.42933
CPU user time (s): 4.42833
CPU system time (s): 0.000999
CPU usage (%): 99.9418
Max. virtual memory (cumulated for all children) (KiB): 1360

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.42833
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 273
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= 12

runsolver used 0.006998 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node49 at 2009-04-01 21:44:36
IDJOB=1545044
IDBENCH=70749
IDSOLVER=559
FILE ID=node49/1545044-1238615076
PBS_JOBID= 9073595
Free space on /tmp= 66384 MiB

SOLVER NAME= SAT07 reference solver: March KS 2007-02-08
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/360/unif-k3-r4.25-v360-c1530-S1293537826-039.cnf
COMMAND LINE= HOME/march_ks BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1545044-1238615076/watcher-1545044-1238615076 -o /tmp/evaluation-result-1545044-1238615076/solver-1545044-1238615076 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_ks HOME/instance-1545044-1238615076.cnf            

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

MD5SUM BENCH= 3cbdb12135a22f8cc0405b84f56b2b22
RANDOM SEED=989679483

node49.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		: 3000.214
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	: 5931.00
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		: 3000.214
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:       1393072 kB
Buffers:        109940 kB
Cached:         447940 kB
SwapCached:       6452 kB
Active:         229912 kB
Inactive:       336884 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1393072 kB
SwapTotal:     4192956 kB
SwapFree:      4179868 kB
Dirty:            3156 kB
Writeback:           0 kB
Mapped:          14652 kB
Slab:            81888 kB
Committed_AS:  2050332 kB
PageTables:       1384 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66384 MiB
End job on node49 at 2009-04-01 21:44:41