Trace number 1519073

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
VARSAT-random 2009-03-22SAT 7.66083 7.66419

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/460/
unif-k3-r4.25-v460-c1955-S2035161427-020.cnf
MD5SUM074d3c53fc7fcb6f758396e5d450cb42
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.019996
Satisfiable
(Un)Satisfiability was proved
Number of variables460
Number of clauses1955
Sum of the clauses size5865
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31955
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  460                                                  |
0.00/0.00	c |  Number of clauses:    1955                                                 |
0.00/0.00	c |  Parsing time:         0.00         s                                       |
0.00/0.00	c |  Timeout:              43200 s
0.00/0.00	c |  Random Seed:          1759717858.000000
0.00/0.00	c |  Heuristic:            EMSP-G, threshold 0.750                              |
0.00/0.00	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.00	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.00	c |                                                                             |
0.00/0.00	c ============================[ Search Statistics ]==============================
0.00/0.00	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.00	c ===============================================================================
0.00/0.00	c |         0 |     445     1929     5864 |      643        0    nan |  0.000 % |
0.00/0.01	c |       100 |     445     1929     5864 |      707      100     22 |  0.000 % |
0.00/0.03	c |       250 |     445     1929     5864 |      778      250     21 |  0.000 % |
0.00/0.05	c |       479 |     445     1929     5864 |      855      479     21 |  0.000 % |
0.00/0.07	c |       816 |     445     1929     5864 |      941      816     22 |  0.000 % |
0.00/0.10	c |      1323 |     445     1929     5864 |     1035      827     21 |  0.000 % |
0.09/0.14	c |      2083 |     445     1929     5864 |     1139     1048     21 |  0.000 % |
0.09/0.19	c |      3222 |     445     1929     5864 |     1253     1004     20 |  0.000 % |
0.19/0.27	c |      4930 |     445     1929     5864 |     1378      748     19 |  0.000 % |
0.29/0.39	c |      7492 |     445     1929     5864 |     1516     1178     21 |  0.000 % |
0.49/0.57	c |     11337 |     445     1929     5864 |     1667     1101     21 |  0.000 % |
0.79/0.83	c |     17104 |     445     1929     5864 |     1834     1708     20 |  0.000 % |
1.19/1.25	c |     25753 |     445     1929     5864 |     2018     1896     21 |  0.000 % |
1.79/1.88	c |     38729 |     445     1929     5864 |     2219     1441     20 |  0.000 % |
2.79/2.87	c |     58191 |     445     1929     5864 |     2441     1632     20 |  0.000 % |
4.39/4.42	c |     87384 |     445     1929     5864 |     2685     2180     23 |  0.000 % |
6.69/6.79	c |    131173 |     445     1929     5864 |     2954     2110     22 |  0.000 % |
7.59/7.66	c ===============================================================================
7.59/7.66	c surveys--CPU time (sec)   : 0.1700         (2.22 % of total)
7.59/7.66	c surveys--attempted        : 68             (400 /sec)
7.59/7.66	c surveys--converged        : 68             (100.00 % successful)
7.59/7.66	c restarts              : 17
7.59/7.66	c conflicts             : 146815         (19615 /sec)
7.59/7.66	c decisions             : 176534         (1.83 % random) (23585 /sec)
7.59/7.66	c propagations          : 9955439        (1330076 /sec)
7.59/7.66	c conflict literals     : 3616286        (19.40 % deleted)
7.59/7.66	c Memory used           : 3.64 MB
7.59/7.66	c Total CPU time (sec)      : 7.6548      
7.59/7.66	c 
7.59/7.66	s SATISFIABLE
7.59/7.66	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 -400 401 402 -403 404 405 406 407 408 -409 -410 -411 -412 -413 414 415 -416 -417 418 419 420 -421 -422 423 424 425 426 427 428 -429 430 431 -432 -433 434 -435 436 437 -438 -439 -440 441 442 443 444 -445 446 447 448 449 -450 -451 -452 -453 -454 -455 456 -457 -458 459 460 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-1519073-1238308004/watcher-1519073-1238308004 -o /tmp/evaluation-result-1519073-1238308004/solver-1519073-1238308004 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-random_static -seed=1759717858 HOME/instance-1519073-1238308004.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: 0.91 0.95 0.97 3/69 14919
/proc/meminfo: memFree=1687712/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=2420 CPUtime=0
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 230 0 0 0 0 0 0 0 18 0 1 0 1103465136 2478080 215 1992294400 4194304 5102416 548682068800 18446744073709551615 4283112 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 640 221 99 221 0 416 0

[startup+0.0108821 s]
/proc/loadavg: 0.91 0.95 0.97 3/69 14919
/proc/meminfo: memFree=1687712/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=2532 CPUtime=0
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 242 0 0 0 0 0 0 0 18 0 1 0 1103465136 2592768 227 1992294400 4194304 5102416 548682068800 18446744073709551615 4242026 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 633 227 102 221 0 409 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2532

[startup+0.101911 s]
/proc/loadavg: 0.91 0.95 0.97 3/69 14919
/proc/meminfo: memFree=1687712/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=2532 CPUtime=0.09
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 262 0 0 0 9 0 0 0 18 0 1 0 1103465136 2592768 247 1992294400 4194304 5102416 548682068800 18446744073709551615 4524016 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 633 247 112 221 0 409 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2532

[startup+0.301939 s]
/proc/loadavg: 0.91 0.95 0.97 3/69 14919
/proc/meminfo: memFree=1687712/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=2664 CPUtime=0.29
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 295 0 0 0 29 0 0 0 19 0 1 0 1103465136 2727936 280 1992294400 4194304 5102416 548682068800 18446744073709551615 4255587 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 666 280 112 221 0 442 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2664

[startup+0.703018 s]
/proc/loadavg: 0.91 0.95 0.97 3/69 14919
/proc/meminfo: memFree=1687712/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=2796 CPUtime=0.69
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 330 0 0 0 69 0 0 0 22 0 1 0 1103465136 2863104 315 1992294400 4194304 5102416 548682068800 18446744073709551615 4249536 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 699 315 112 221 0 475 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2796

[startup+1.50118 s]
/proc/loadavg: 0.91 0.95 0.97 2/70 14920
/proc/meminfo: memFree=1686744/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=3060 CPUtime=1.49
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 381 0 0 0 149 0 0 0 25 0 1 0 1103465136 3133440 366 1992294400 4194304 5102416 548682068800 18446744073709551615 4249520 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 765 366 112 221 0 541 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3060

[startup+3.10149 s]
/proc/loadavg: 0.91 0.95 0.97 2/70 14920
/proc/meminfo: memFree=1686360/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=3324 CPUtime=3.09
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 439 0 0 0 309 0 0 0 25 0 1 0 1103465136 3403776 424 1992294400 4194304 5102416 548682068800 18446744073709551615 4249520 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 831 424 112 221 0 607 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3324

[startup+6.30112 s]
/proc/loadavg: 0.92 0.95 0.97 2/70 14920
/proc/meminfo: memFree=1686040/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=3588 CPUtime=6.29
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 510 0 0 0 629 0 0 0 25 0 1 0 1103465136 3674112 495 1992294400 4194304 5102416 548682068800 18446744073709551615 4249631 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 897 495 112 221 0 673 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3588

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

[startup+7.10128 s]
/proc/loadavg: 0.92 0.95 0.97 2/70 14920
/proc/meminfo: memFree=1685912/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=3588 CPUtime=7.09
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 536 0 0 0 709 0 0 0 25 0 1 0 1103465136 3674112 521 1992294400 4194304 5102416 548682068800 18446744073709551615 4262460 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 897 521 112 221 0 673 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 3588

[startup+7.50136 s]
/proc/loadavg: 0.92 0.95 0.97 2/70 14920
/proc/meminfo: memFree=1685912/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=3720 CPUtime=7.49
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 548 0 0 0 749 0 0 0 25 0 1 0 1103465136 3809280 533 1992294400 4194304 5102416 548682068800 18446744073709551615 4249520 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 930 533 112 221 0 706 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 3720

[startup+7.60138 s]
/proc/loadavg: 0.92 0.95 0.97 2/70 14920
/proc/meminfo: memFree=1685784/2055920 swapFree=4177820/4192956
[pid=14919] ppid=14917 vsize=3720 CPUtime=7.59
/proc/14919/stat : 14919 (varsat-random_s) R 14917 14919 14578 0 -1 4194304 549 0 0 0 759 0 0 0 25 0 1 0 1103465136 3809280 534 1992294400 4194304 5102416 548682068800 18446744073709551615 4249721 0 0 4096 3 0 0 0 17 1 0 0
/proc/14919/statm: 930 534 112 221 0 706 0
Current children cumulated CPU time (s) 7.59
Current children cumulated vsize (KiB) 3720

Child status: 10
Real time (s): 7.66419
CPU time (s): 7.66083
CPU user time (s): 7.65584
CPU system time (s): 0.004999
CPU usage (%): 99.9563
Max. virtual memory (cumulated for all children) (KiB): 3720

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.65584
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 556
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= 11

runsolver used 0.013997 second user time and 0.025996 second system time

The end

Launcher Data 

Begin job on node73 at 2009-03-29 08:26:44
IDJOB=1519073
IDBENCH=70732
IDSOLVER=539
FILE ID=node73/1519073-1238308004
PBS_JOBID= 9061055
Free space on /tmp= 66268 MiB

SOLVER NAME= VARSAT-random 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/460/unif-k3-r4.25-v460-c1955-S2035161427-020.cnf
COMMAND LINE= HOME/varsat-random_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1519073-1238308004/watcher-1519073-1238308004 -o /tmp/evaluation-result-1519073-1238308004/solver-1519073-1238308004 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-random_static -seed=1759717858 HOME/instance-1519073-1238308004.cnf

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

MD5SUM BENCH= 074d3c53fc7fcb6f758396e5d450cb42
RANDOM SEED=1759717858

node73.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		: 3000.277
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		: 3000.277
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:       1688192 kB
Buffers:         68496 kB
Cached:         214224 kB
SwapCached:       8184 kB
Active:         193492 kB
Inactive:        99060 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1688192 kB
SwapTotal:     4192956 kB
SwapFree:      4177820 kB
Dirty:            1052 kB
Writeback:           0 kB
Mapped:          15564 kB
Slab:            60816 kB
Committed_AS:  2721752 kB
PageTables:       1656 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= 66268 MiB
End job on node73 at 2009-03-29 08:26:52