Trace number 300002

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, and are wall clock time (not CPU 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
minimarch 2007-02-08SAT 3.72443 3.72708

General information on the benchmark

Namerandom/OnTreshold/3SAT/v400/
unif-k3-r4.26-v400-c1704-S1561551265-12.SAT.shuffled.cnf
MD5SUMc6a09cb4dcbc2624dfe4aaec1f040fa6
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.005998
Satisfiable
(Un)Satisfiability was proved
Number of variables400
Number of clauses1704
Sum of the clauses size5112
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31704
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	This is MiniMarch, a modified version of MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  400                                                  |
0.00/0.00	|  Number of clauses:    1704                                                 |
0.00/0.00	|  Parsing time:         0.00         s                                       |
0.00/0.01	============================[ Search Statistics ]==============================
0.00/0.01	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	===============================================================================
0.00/0.01	|         0 |     389     1672     5080 |      557        0    nan |  0.000 % |
0.00/0.01	|       101 |     389     1672     5080 |      613      101     20 |  0.001 % |
0.00/0.01	|       252 |     389     1672     5080 |      674      252     19 |  0.001 % |
0.00/0.02	|       478 |     389     1672     5080 |      741      478     19 |  0.001 % |
0.00/0.03	|       815 |     389     1672     5080 |      815      427     16 |  0.001 % |
0.00/0.05	|      1321 |     389     1672     5080 |      897      505     16 |  0.001 % |
0.00/0.08	|      2080 |     389     1672     5080 |      987      796     16 |  0.001 % |
0.10/0.12	|      3219 |     389     1672     5080 |     1086      921     16 |  0.001 % |
0.10/0.19	|      4928 |     389     1672     5080 |     1194      956     16 |  0.001 % |
0.20/0.30	|      7490 |     389     1672     5080 |     1314     1062     16 |  0.001 % |
0.41/0.47	|     11334 |     389     1672     5080 |     1445      858     16 |  0.001 % |
0.71/0.73	|     17100 |     389     1672     5080 |     1590     1452     16 |  0.001 % |
1.13/1.14	|     25749 |     389     1672     5080 |     1749     1172     16 |  0.001 % |
1.74/1.77	|     38725 |     389     1672     5080 |     1924     1696     16 |  0.001 % |
2.66/2.75	|     58186 |     389     1672     5080 |     2116     1620     17 |  0.001 % |
3.68/3.72	===============================================================================
3.68/3.72	lookaheads            : 82138
3.68/3.72	variable balance      : 0.00
3.68/3.72	restarts              : 15
3.68/3.72	conflicts             : 76774          (20619 /sec)
3.68/3.72	decisions             : 82139          (1.82 % random) (22060 /sec)
3.68/3.72	decision = positive   : 42225
3.68/3.72	decision = negative   : 39913
3.68/3.72	propagations          : 5219885        (1401901 /sec)
3.68/3.72	conflict literals     : 1492849        (18.35 % deleted)
3.68/3.72	Memory used           : 2.21 MB
3.68/3.72	CPU time              : 3.72343 s
3.68/3.72	
3.68/3.72	s SATISFIABLE
3.68/3.72	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 -381 -382 -383 -384 385 386 -387 -388 389 -390 391 -392 393 394 -395 -396 -397 -398 -399 -400 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node13/watcher-300002-1171880691 -o ROOT/results/node13/solver-300002-1171880691 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/300002-1171880691/minimarch /tmp/evaluation/300002-1171880691/instance-300002-1171880691.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.95 0.97 0.99 3/77 27586
/proc/meminfo: memFree=783800/2055920 swapFree=4192812/4192956
[pid=27586] ppid=27584 vsize=1868 CPUtime=0
/proc/27586/stat : 27586 (minimarch) R 27584 27586 27348 0 -1 4194304 129 0 0 0 0 0 0 0 18 0 1 0 208023539 1912832 113 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134523055 0 0 4096 3 0 0 0 17 1 0 0
/proc/27586/statm: 466 115 53 132 0 331 0

[startup+0.106846 s]
/proc/loadavg: 0.95 0.97 0.99 3/77 27586
/proc/meminfo: memFree=783800/2055920 swapFree=4192812/4192956
[pid=27586] ppid=27584 vsize=1864 CPUtime=0.1
/proc/27586/stat : 27586 (minimarch) R 27584 27586 27348 0 -1 4194304 158 0 0 0 10 0 0 0 18 0 1 0 208023539 1908736 142 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134551368 0 0 4096 3 0 0 0 17 1 0 0
/proc/27586/statm: 466 142 66 132 0 331 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1864

[startup+0.5149 s]
/proc/loadavg: 0.95 0.97 0.99 3/77 27586
/proc/meminfo: memFree=783800/2055920 swapFree=4192812/4192956
[pid=27586] ppid=27584 vsize=1996 CPUtime=0.51
/proc/27586/stat : 27586 (minimarch) R 27584 27586 27348 0 -1 4194304 182 0 0 0 51 0 0 0 21 0 1 0 208023539 2043904 166 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134551219 0 0 4096 3 0 0 0 17 1 0 0
/proc/27586/statm: 499 166 66 132 0 364 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 1996

[startup+1.33501 s]
/proc/loadavg: 0.95 0.97 0.99 2/78 27587
/proc/meminfo: memFree=783216/2055920 swapFree=4192812/4192956
[pid=27586] ppid=27584 vsize=2128 CPUtime=1.33
/proc/27586/stat : 27586 (minimarch) R 27584 27586 27348 0 -1 4194304 204 0 0 0 133 0 0 0 25 0 1 0 208023539 2179072 188 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134551700 0 0 4096 3 0 0 0 17 1 0 0
/proc/27586/statm: 532 188 66 132 0 397 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 2128

[startup+2.97123 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 27587
/proc/meminfo: memFree=783024/2055920 swapFree=4192812/4192956
[pid=27586] ppid=27584 vsize=2260 CPUtime=2.96
/proc/27586/stat : 27586 (minimarch) R 27584 27586 27348 0 -1 4194304 234 0 0 0 296 0 0 0 25 0 1 0 208023539 2314240 218 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134551284 0 0 4096 3 0 0 0 17 1 0 0
/proc/27586/statm: 565 218 66 132 0 430 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 2260

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

[startup+3.27727 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 27587
/proc/meminfo: memFree=783024/2055920 swapFree=4192812/4192956
[pid=27586] ppid=27584 vsize=2260 CPUtime=3.27
/proc/27586/stat : 27586 (minimarch) R 27584 27586 27348 0 -1 4194304 237 0 0 0 327 0 0 0 25 0 1 0 208023539 2314240 221 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134551219 0 0 4096 3 0 0 0 17 1 0 0
/proc/27586/statm: 565 221 66 132 0 430 0
Current children cumulated CPU time (s) 3.27
Current children cumulated vsize (KiB) 2260

[startup+3.68932 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 27587
/proc/meminfo: memFree=782960/2055920 swapFree=4192812/4192956
[pid=27586] ppid=27584 vsize=2260 CPUtime=3.68
/proc/27586/stat : 27586 (minimarch) R 27584 27586 27348 0 -1 4194304 240 0 0 0 368 0 0 0 25 0 1 0 208023539 2314240 224 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134558101 0 0 4096 3 0 0 0 17 1 0 0
/proc/27586/statm: 565 224 66 132 0 430 0
Current children cumulated CPU time (s) 3.68
Current children cumulated vsize (KiB) 2260

Child status: 10
Real time (s): 3.72708
CPU time (s): 3.72443
CPU user time (s): 3.72443
CPU system time (s): 0
CPU usage (%): 99.9289
Max. virtual memory (cumulated for all children) (KiB): 2260

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.72443
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 248
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= 8
involuntary context switches= 79

runsolver used 0.010998 second user time and 0.010998 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Mon Feb 19 10:24:51 UTC 2007

IDJOB= 300002
IDBENCH= 20024
IDSOLVER= 110
FILE ID= node13/300002-1171880691

PBS_JOBID= 3839439

Free space on /tmp= 66546 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/3SAT/v400/unif-k3-r4.26-v400-c1704-S1561551265-12.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/300002-1171880691/minimarch /tmp/evaluation/300002-1171880691/instance-300002-1171880691.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-300002-1171880691 -o ROOT/results/node13/solver-300002-1171880691 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/300002-1171880691/minimarch /tmp/evaluation/300002-1171880691/instance-300002-1171880691.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  c6a09cb4dcbc2624dfe4aaec1f040fa6

RANDOM SEED= 846704785

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.236
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		: 3000.236
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:        784144 kB
Buffers:         70992 kB
Cached:        1064948 kB
SwapCached:          0 kB
Active:         615644 kB
Inactive:       574624 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        784144 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2372 kB
Writeback:           0 kB
Mapped:          73200 kB
Slab:            67064 kB
Committed_AS:   914688 kB
PageTables:       1744 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= 66546 MiB

End job on node13 on Mon Feb 19 10:24:55 UTC 2007