Trace number 427535

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 2007-04-26 (fixed)SAT 1.48077 1.48289

General information on the benchmark

Namerandom/OnTreshold/3SAT/v400/
unif-k3-r4.26-v400-c1704-S2048803580-17.SAT.shuffled.cnf
MD5SUMfd7d232d07ea82b35604ae65ebcd0d41
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 1.1, 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     1693     5145 |      564        0    nan |  0.000 % |
0.00/0.01	|       101 |     389     1693     5145 |      620      101     22 |  0.001 % |
0.00/0.01	|       252 |     389     1693     5145 |      682      252     21 |  0.001 % |
0.00/0.02	|       477 |     389     1693     5145 |      751      477     20 |  0.001 % |
0.00/0.03	|       818 |     389     1693     5145 |      826      417     19 |  0.001 % |
0.00/0.05	|      1324 |     389     1693     5145 |      908      492     17 |  0.001 % |
0.00/0.08	|      2083 |     389     1693     5145 |      999      776     20 |  0.001 % |
0.09/0.13	|      3223 |     389     1693     5145 |     1099      878     17 |  0.001 % |
0.19/0.21	|      4931 |     389     1693     5145 |     1209      856     19 |  0.001 % |
0.29/0.33	|      7493 |     389     1693     5145 |     1330      904     18 |  0.001 % |
0.49/0.50	|     11341 |     389     1693     5145 |     1463     1339     20 |  0.001 % |
0.69/0.79	|     17107 |     389     1693     5145 |     1610     1080     18 |  0.001 % |
1.20/1.23	|     25759 |     389     1693     5145 |     1771     1500     19 |  0.001 % |
1.39/1.48	===============================================================================
1.39/1.48	lookaheads            : 2479
1.39/1.48	variable balance      : 0.00
1.39/1.48	restarts              : 13
1.39/1.48	conflicts             : 30589          (20685 /sec)
1.39/1.48	decisions             : 38167          (1.82 % random) (25810 /sec)
1.39/1.48	decision = positive   : 19231
1.39/1.48	decision = negative   : 18935
1.39/1.48	propagations          : 1982111        (1340374 /sec)
1.39/1.48	conflict literals     : 701973         (18.51 % deleted)
1.39/1.48	Memory used           : 2.09 MB
1.39/1.48	CPU time              : 1.47877 s
1.39/1.48	
1.39/1.48	s SATISFIABLE
1.39/1.48	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 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node52/watcher-427535-1177656299 -o ROOT/results/node52/solver-427535-1177656299 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/427535-1177656299/minimarch_fixed /tmp/evaluation/427535-1177656299/instance-427535-1177656299.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): 2400 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: 0.92 0.98 0.99 3/64 27804
/proc/meminfo: memFree=1626196/2055920 swapFree=4182996/4192956
[pid=27804] ppid=27802 vsize=1868 CPUtime=0
/proc/27804/stat : 27804 (minimarch_fixed) R 27802 27804 27182 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 120474940 1912832 113 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134523094 0 0 4096 3 0 0 0 17 1 0 0
/proc/27804/statm: 467 113 51 132 0 332 0

[startup+0.101802 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27804
/proc/meminfo: memFree=1626196/2055920 swapFree=4182996/4192956
[pid=27804] ppid=27802 vsize=1864 CPUtime=0.09
/proc/27804/stat : 27804 (minimarch_fixed) R 27802 27804 27182 0 -1 4194304 162 0 0 0 9 0 0 0 18 0 1 0 120474940 1908736 147 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551293 0 0 4096 3 0 0 0 17 1 0 0
/proc/27804/statm: 466 147 67 132 0 331 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1864

[startup+0.201809 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27804
/proc/meminfo: memFree=1626196/2055920 swapFree=4182996/4192956
[pid=27804] ppid=27802 vsize=1996 CPUtime=0.19
/proc/27804/stat : 27804 (minimarch_fixed) R 27802 27804 27182 0 -1 4194304 171 0 0 0 19 0 0 0 18 0 1 0 120474940 2043904 156 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551227 0 0 4096 3 0 0 0 17 1 0 0
/proc/27804/statm: 499 156 67 132 0 364 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 1996

[startup+0.301816 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27804
/proc/meminfo: memFree=1626196/2055920 swapFree=4182996/4192956
[pid=27804] ppid=27802 vsize=1996 CPUtime=0.29
/proc/27804/stat : 27804 (minimarch_fixed) R 27802 27804 27182 0 -1 4194304 177 0 0 0 29 0 0 0 19 0 1 0 120474940 2043904 162 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551277 0 0 4096 3 0 0 0 17 1 0 0
/proc/27804/statm: 499 162 67 132 0 364 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1996

[startup+0.701842 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27804
/proc/meminfo: memFree=1626196/2055920 swapFree=4182996/4192956
[pid=27804] ppid=27802 vsize=1996 CPUtime=0.69
/proc/27804/stat : 27804 (minimarch_fixed) R 27802 27804 27182 0 -1 4194304 195 0 0 0 69 0 0 0 22 0 1 0 120474940 2043904 180 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551374 0 0 4096 3 0 0 0 17 1 0 0
/proc/27804/statm: 499 180 67 132 0 364 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1996

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

[startup+0.801849 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27804
/proc/meminfo: memFree=1626196/2055920 swapFree=4182996/4192956
[pid=27804] ppid=27802 vsize=1996 CPUtime=0.79
/proc/27804/stat : 27804 (minimarch_fixed) R 27802 27804 27182 0 -1 4194304 195 0 0 0 79 0 0 0 23 0 1 0 120474940 2043904 180 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551227 0 0 4096 3 0 0 0 17 1 0 0
/proc/27804/statm: 499 180 67 132 0 364 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 1996

[startup+1.20588 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 27805
/proc/meminfo: memFree=1625676/2055920 swapFree=4182996/4192956
[pid=27804] ppid=27802 vsize=2136 CPUtime=1.2
/proc/27804/stat : 27804 (minimarch_fixed) R 27802 27804 27182 0 -1 4194304 208 0 0 0 120 0 0 0 25 0 1 0 120474940 2187264 193 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134558505 0 0 4096 3 0 0 0 17 1 0 0
/proc/27804/statm: 534 193 67 132 0 399 0
Current children cumulated CPU time (s) 1.2
Current children cumulated vsize (KiB) 2136

[startup+1.40189 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 27805
/proc/meminfo: memFree=1625676/2055920 swapFree=4182996/4192956
[pid=27804] ppid=27802 vsize=2136 CPUtime=1.39
/proc/27804/stat : 27804 (minimarch_fixed) R 27802 27804 27182 0 -1 4194304 218 0 0 0 139 0 0 0 25 0 1 0 120474940 2187264 203 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551247 0 0 4096 3 0 0 0 17 1 0 0
/proc/27804/statm: 534 203 67 132 0 399 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 2136

Child status: 10
Real time (s): 1.48289
CPU time (s): 1.48077
CPU user time (s): 1.47978
CPU system time (s): 0.000999
CPU usage (%): 99.8575
Max. virtual memory (cumulated for all children) (KiB): 2136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.47978
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= 227
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= 2

runsolver used 0.005999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node52 on Fri Apr 27 06:44:59 UTC 2007

IDJOB= 427535
IDBENCH= 20023
IDSOLVER= 198
FILE ID= node52/427535-1177656299

PBS_JOBID= 4697326

Free space on /tmp= 66504 MiB

SOLVER NAME= minimarch 2007-04-26 (fixed)
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/3SAT/v400/unif-k3-r4.26-v400-c1704-S2048803580-17.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/427535-1177656299/minimarch_fixed /tmp/evaluation/427535-1177656299/instance-427535-1177656299.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node52/watcher-427535-1177656299 -o ROOT/results/node52/solver-427535-1177656299 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/427535-1177656299/minimarch_fixed /tmp/evaluation/427535-1177656299/instance-427535-1177656299.cnf

META MD5SUM SOLVER= 08d902191c06ef4f82d57c2f2b6a82c2
MD5SUM BENCH=  fd7d232d07ea82b35604ae65ebcd0d41

RANDOM SEED= 15708064

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node52.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:       1626668 kB
Buffers:         37432 kB
Cached:         315804 kB
SwapCached:       3968 kB
Active:         193152 kB
Inactive:       169964 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1626668 kB
SwapTotal:     4192956 kB
SwapFree:      4182996 kB
Dirty:            2888 kB
Writeback:           0 kB
Mapped:          15892 kB
Slab:            52196 kB
Committed_AS:  1857028 kB
PageTables:       1484 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= 66504 MiB

End job on node52 on Fri Apr 27 06:45:00 UTC 2007