Trace number 1545024

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 4.11537 4.12317

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/380/
unif-k3-r4.25-v380-c1615-S326477539-068.cnf
MD5SUM5041825f960f1b265cdeb6a449c6172e
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.010997
Satisfiable
(Un)Satisfiability was proved
Number of variables380
Number of clauses1615
Sum of the clauses size4845
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31615
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 380 variables and 1615 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, 33 satisfied and 0 duplicate clauses
0.00/0.01	c preprocessing fase I completed:: there are now 376 free variables and 1582 clauses.
0.00/0.01	c stat :: sign balance is biased by 0.464
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 150 duplicate clauses
0.00/0.01	c resolvent_look() :: found 80 resolvents
0.00/0.01	c lessRedundantTransformation():: nothing to be done.
0.00/0.01	c transformTo3SAT():: you gave me 380 variables and 1662 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 380 variabels and 1662 clauses.
0.00/0.01	c main():: clause / variable ratio: ( 1662 / 380 ) = 4.37
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: 2506 JD: 12
0.99/1.07	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |****************************************
c |************************************************
c |*************************************************
c |**************************************************
c |****************************************************
c |********************************************************
c |*********************************************************
c |**********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************
c |***************************************************************
4.09/4.12	c solution bin :: 000000010000.00000000000001010010
4.09/4.12	c direction branchin :: current_rights = 4
4.09/4.12	
c |***************************************************************
4.09/4.12	c
4.09/4.12	c main():: nodeCount: 9881
4.09/4.12	c main():: dead ends in main: 364
4.09/4.12	c main():: lookAheadCount: 649298
4.09/4.12	c main():: unitResolveCount: 130526
4.09/4.12	c main():: time=4.110000
4.09/4.12	c main():: necessary_assignments: 2631
4.09/4.12	c main():: bin_sat: 0, bin_unsat 0
4.09/4.12	c main():: doublelook: #: 40072, succes #: 29914
4.09/4.12	c main():: doublelook: overall 6.426 of all possible doublelooks executed
4.09/4.12	c main():: doublelook: succesrate: 74.651, average DL_trigger: 5870.131
4.09/4.12	c main():: SOLUTION VERIFIED :-)
4.09/4.12	s SATISFIABLE
4.09/4.12	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 -356 357 358 359 360 361 362 363 -364 365 366 -367 368 -369 -370 -371 372 -373 -374 375 -376 377 -378 -379 380 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-1545024-1238615066/watcher-1545024-1238615066 -o /tmp/evaluation-result-1545024-1238615066/solver-1545024-1238615066 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_ks HOME/instance-1545024-1238615066.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 21819
/proc/meminfo: memFree=1392848/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=792 CPUtime=0
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 122 0 0 0 0 0 0 0 18 0 1 0 738399063 811008 105 1992294400 134512640 135019032 4294956240 18446744073709551615 134662703 0 0 4096 0 0 0 0 17 0 0 0
/proc/21819/statm: 198 105 52 123 0 73 0

[startup+0.0603301 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 21819
/proc/meminfo: memFree=1392848/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=1188 CPUtime=0.05
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 234 0 0 0 5 0 0 0 18 0 1 0 738399063 1216512 217 1992294400 134512640 135019032 4294956240 18446744073709551615 134538202 0 0 4096 0 0 0 0 17 0 0 0
/proc/21819/statm: 297 217 73 123 0 172 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 1188

[startup+0.101335 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 21819
/proc/meminfo: memFree=1392848/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=1188 CPUtime=0.1
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 239 0 0 0 10 0 0 0 18 0 1 0 738399063 1216512 222 1992294400 134512640 135019032 4294956240 18446744073709551615 134526476 0 0 4096 0 0 0 0 17 0 0 0
/proc/21819/statm: 297 222 73 123 0 172 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1188

[startup+0.301365 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 21819
/proc/meminfo: memFree=1392848/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=1188 CPUtime=0.29
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 248 0 0 0 29 0 0 0 19 0 1 0 738399063 1216512 231 1992294400 134512640 135019032 4294956240 18446744073709551615 134526443 0 0 4096 0 0 0 0 17 1 0 0
/proc/21819/statm: 297 231 73 123 0 172 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1188

[startup+0.701422 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 21819
/proc/meminfo: memFree=1392848/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=1320 CPUtime=0.69
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 260 0 0 0 69 0 0 0 23 0 1 0 738399063 1351680 243 1992294400 134512640 135019032 4294956240 18446744073709551615 134538194 0 0 4096 0 0 0 0 17 1 0 0
/proc/21819/statm: 330 243 73 123 0 205 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1320

[startup+1.50153 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21820
/proc/meminfo: memFree=1392072/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=1320 CPUtime=1.49
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 275 0 0 0 149 0 0 0 25 0 1 0 738399063 1351680 258 1992294400 134512640 135019032 4294956240 18446744073709551615 134542335 0 0 4096 0 0 0 0 17 0 0 0
/proc/21819/statm: 330 258 73 123 0 205 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1320

[startup+3.10176 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21820
/proc/meminfo: memFree=1391944/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=1320 CPUtime=3.09
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 280 0 0 0 309 0 0 0 25 0 1 0 738399063 1351680 263 1992294400 134512640 135019032 4294956240 18446744073709551615 134526537 0 0 4096 0 0 0 0 17 0 0 0
/proc/21819/statm: 330 263 73 123 0 205 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1320

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

[startup+3.90188 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21820
/proc/meminfo: memFree=1391880/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=1508 CPUtime=3.89
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 297 0 0 0 389 0 0 0 25 0 1 0 738399063 1544192 280 1992294400 134512640 135019032 4294956240 18446744073709551615 134538152 0 0 4096 0 0 0 0 17 0 0 0
/proc/21819/statm: 377 280 73 123 0 252 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 1508

[startup+4.1019 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 21820
/proc/meminfo: memFree=1391880/2055920 swapFree=4179868/4192956
[pid=21819] ppid=21817 vsize=1508 CPUtime=4.09
/proc/21819/stat : 21819 (march_ks) R 21817 21819 21463 0 -1 4194304 297 0 0 0 409 0 0 0 25 0 1 0 738399063 1544192 280 1992294400 134512640 135019032 4294956240 18446744073709551615 134579071 0 0 4096 0 0 0 0 17 0 0 0
/proc/21819/statm: 377 280 73 123 0 252 0
Current children cumulated CPU time (s) 4.09
Current children cumulated vsize (KiB) 1508

Child status: 10
Real time (s): 4.12317
CPU time (s): 4.11537
CPU user time (s): 4.11237
CPU system time (s): 0.002999
CPU usage (%): 99.8108
Max. virtual memory (cumulated for all children) (KiB): 1508

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.11237
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 298
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= 19

runsolver used 0.004999 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node49 at 2009-04-01 21:44:26
IDJOB=1545024
IDBENCH=70739
IDSOLVER=559
FILE ID=node49/1545024-1238615066
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/380/unif-k3-r4.25-v380-c1615-S326477539-068.cnf
COMMAND LINE= HOME/march_ks BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1545024-1238615066/watcher-1545024-1238615066 -o /tmp/evaluation-result-1545024-1238615066/solver-1545024-1238615066 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_ks HOME/instance-1545024-1238615066.cnf            

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

MD5SUM BENCH= 5041825f960f1b265cdeb6a449c6172e
RANDOM SEED=531158604

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:       1393392 kB
Buffers:        109876 kB
Cached:         447868 kB
SwapCached:       6452 kB
Active:         229788 kB
Inactive:       336896 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1393392 kB
SwapTotal:     4192956 kB
SwapFree:      4179868 kB
Dirty:            3004 kB
Writeback:           0 kB
Mapped:          14652 kB
Slab:            81700 kB
Committed_AS:  2050268 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 21:44:31