Trace number 1518348

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
clasp 1.2.0-SAT09-32SAT 7.57985 7.58299

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/420/
unif-k3-r4.25-v420-c1785-S1880984131-087.cnf
MD5SUMe8e7e26f525620bde52dee4b2a5f6f0e
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.007998
Satisfiable
(Un)Satisfiability was proved
Number of variables420
Number of clauses1785
Sum of the clauses size5355
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31785
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

7.49/7.58	c clasp version 1.2.0-SAT09 
7.49/7.58	c Reading from ...298435/instance-1518348-1238298435.cnf
7.49/7.58	c Reading      : Done(0.000s)
7.49/7.58	c Preprocessing: |-\Done(0.000s)
7.49/7.58	c Solving...
7.49/7.58	c Model: 1
7.49/7.58	v 1 2 3 -4 -5 -6 7 -8 9 10
7.49/7.58	v 11 12 13 -14 -15 16 -17 -18 -19 20
7.49/7.58	v 21 22 -23 24 25 26 -27 -28 29 -30
7.49/7.58	v -31 -32 33 -34 35 36 37 38 39 40
7.49/7.58	v 41 42 43 -44 45 -46 -47 48 49 -50
7.49/7.58	v 51 -52 -53 54 -55 -56 57 -58 59 -60
7.49/7.58	v 61 -62 63 -64 65 66 -67 68 -69 -70
7.49/7.58	v 71 -72 73 -74 -75 -76 -77 -78 -79 -80
7.49/7.58	v 81 -82 83 84 -85 -86 -87 88 89 90
7.49/7.58	v 91 92 93 -94 95 96 97 98 99 -100
7.49/7.58	v -101 -102 103 -104 -105 106 107 108 109 110
7.49/7.58	v -111 -112 -113 114 -115 116 117 118 -119 120
7.49/7.58	v 121 122 -123 -124 -125 126 -127 128 129 130
7.49/7.58	v 131 -132 -133 -134 -135 -136 -137 138 139 -140
7.49/7.58	v -141 142 -143 144 -145 -146 147 -148 149 -150
7.49/7.58	v 151 -152 -153 154 -155 156 157 -158 -159 160
7.49/7.58	v -161 162 163 164 -165 -166 -167 168 -169 170
7.49/7.58	v 171 -172 -173 174 175 176 -177 -178 179 -180
7.49/7.58	v -181 182 -183 184 -185 186 187 -188 189 -190
7.49/7.58	v 191 192 193 -194 -195 196 -197 198 199 -200
7.49/7.58	v -201 202 -203 -204 -205 -206 -207 -208 209 210
7.49/7.58	v 211 -212 -213 -214 -215 216 217 218 219 -220
7.49/7.58	v -221 -222 -223 224 -225 -226 -227 -228 -229 -230
7.49/7.58	v 231 232 233 -234 -235 236 -237 238 -239 240
7.49/7.58	v -241 242 243 244 -245 246 -247 248 249 -250
7.49/7.58	v -251 -252 253 254 255 256 -257 -258 -259 -260
7.49/7.58	v 261 262 263 264 -265 -266 267 -268 -269 -270
7.49/7.58	v -271 -272 -273 274 -275 276 277 -278 279 280
7.49/7.58	v -281 282 283 284 -285 -286 -287 288 289 -290
7.49/7.58	v -291 -292 293 294 295 296 297 298 299 -300
7.49/7.58	v -301 -302 303 -304 305 -306 -307 -308 -309 310
7.49/7.58	v -311 -312 313 314 315 316 317 318 -319 320
7.49/7.58	v 321 322 -323 -324 -325 326 327 328 -329 -330
7.49/7.58	v -331 332 -333 334 335 -336 -337 -338 339 340
7.49/7.58	v 341 -342 -343 -344 -345 346 -347 348 349 -350
7.49/7.58	v 351 -352 -353 354 -355 -356 -357 -358 359 -360
7.49/7.58	v -361 362 -363 364 -365 -366 367 368 -369 -370
7.49/7.58	v 371 -372 373 -374 -375 376 377 -378 379 380
7.49/7.58	v 381 382 -383 384 -385 386 -387 388 389 390
7.49/7.58	v -391 392 -393 -394 -395 396 -397 -398 399 -400
7.49/7.58	v -401 402 403 -404 405 -406 -407 -408 -409 410
7.49/7.58	v 411 -412 413 414 415 416 417 -418 419 -420 0 
7.49/7.58	
7.49/7.58	c Models    : 1+    
7.49/7.58	c Time         : 7.580s (Solve: 7.580s)
7.49/7.58	s SATISFIABLE

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-1518348-1238298435/watcher-1518348-1238298435 -o /tmp/evaluation-result-1518348-1238298435/solver-1518348-1238298435 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1518348-1238298435.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

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 1.00 2/74 28518
/proc/meminfo: memFree=919552/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=1828 CPUtime=0
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 254 0 0 0 0 0 0 0 18 0 1 0 1102504544 1871872 235 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 457 236 170 377 0 77 0

[startup+0.0455851 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 28518
/proc/meminfo: memFree=919552/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=1828 CPUtime=0.04
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 276 0 0 0 4 0 0 0 18 0 1 0 1102504544 1871872 257 1992294400 134512640 136057169 4294956160 18446744073709551615 134823876 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 457 257 181 377 0 77 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1828

[startup+0.101594 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 28518
/proc/meminfo: memFree=919552/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=1960 CPUtime=0.09
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 285 0 0 0 9 0 0 0 18 0 1 0 1102504544 2007040 266 1992294400 134512640 136057169 4294956160 18446744073709551615 134823889 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 490 266 181 377 0 110 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1960

[startup+0.301627 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 28518
/proc/meminfo: memFree=919552/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=2092 CPUtime=0.29
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 314 0 0 0 29 0 0 0 19 0 1 0 1102504544 2142208 295 1992294400 134512640 136057169 4294956160 18446744073709551615 134811839 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 523 295 181 377 0 143 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2092

[startup+0.701694 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 28518
/proc/meminfo: memFree=919552/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=2224 CPUtime=0.69
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 347 0 0 0 69 0 0 0 23 0 1 0 1102504544 2277376 328 1992294400 134512640 136057169 4294956160 18446744073709551615 134820211 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 556 328 181 377 0 176 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2224

[startup+1.50183 s]
/proc/loadavg: 1.00 1.00 1.00 2/75 28519
/proc/meminfo: memFree=918840/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=2360 CPUtime=1.49
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 387 0 0 0 149 0 0 0 25 0 1 0 1102504544 2416640 368 1992294400 134512640 136057169 4294956160 18446744073709551615 134823794 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 590 368 181 377 0 210 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2360

[startup+3.1011 s]
/proc/loadavg: 1.00 1.00 1.00 2/75 28519
/proc/meminfo: memFree=918520/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=2492 CPUtime=3.09
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 441 0 0 0 309 0 0 0 25 0 1 0 1102504544 2551808 422 1992294400 134512640 136057169 4294956160 18446744073709551615 134824008 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 623 422 181 377 0 243 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2492

[startup+6.30164 s]
/proc/loadavg: 1.00 1.00 1.00 2/75 28519
/proc/meminfo: memFree=918072/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=2888 CPUtime=6.29
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 523 0 0 0 629 0 0 0 25 0 1 0 1102504544 2957312 504 1992294400 134512640 136057169 4294956160 18446744073709551615 134823758 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 722 504 181 377 0 342 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 2888

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

[startup+7.10278 s]
/proc/loadavg: 1.00 1.00 1.00 2/75 28519
/proc/meminfo: memFree=918008/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=2888 CPUtime=7.09
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 539 0 0 0 709 0 0 0 25 0 1 0 1102504544 2957312 520 1992294400 134512640 136057169 4294956160 18446744073709551615 134823794 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 722 520 181 377 0 342 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 2888

[startup+7.50185 s]
/proc/loadavg: 1.00 1.00 1.00 2/75 28519
/proc/meminfo: memFree=918008/2055920 swapFree=4173168/4192956
[pid=28518] ppid=28516 vsize=3028 CPUtime=7.49
/proc/28518/stat : 28518 (clasp) R 28516 28518 24966 0 -1 4194304 552 0 0 0 749 0 0 0 25 0 1 0 1102504544 3100672 533 1992294400 134512640 136057169 4294956160 18446744073709551615 134637395 0 0 4096 16386 0 0 0 17 1 0 0
/proc/28518/statm: 757 533 181 377 0 377 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 3028

Child status: 10
Real time (s): 7.58299
CPU time (s): 7.57985
CPU user time (s): 7.57885
CPU system time (s): 0.000999
CPU usage (%): 99.9586
Max. virtual memory (cumulated for all children) (KiB): 3028

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.57885
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= 558
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 0.007998 second user time and 0.029995 second system time

The end

Launcher Data 

Begin job on node68 at 2009-03-29 05:47:15
IDJOB=1518348
IDBENCH=70672
IDSOLVER=508
FILE ID=node68/1518348-1238298435
PBS_JOBID= 9060986
Free space on /tmp= 66288 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/420/unif-k3-r4.25-v420-c1785-S1880984131-087.cnf
COMMAND LINE= HOME/clasp --file=BENCHNAME --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1518348-1238298435/watcher-1518348-1238298435 -o /tmp/evaluation-result-1518348-1238298435/solver-1518348-1238298435 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1518348-1238298435.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

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

MD5SUM BENCH= e8e7e26f525620bde52dee4b2a5f6f0e
RANDOM SEED=130898403

node68.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		: 3000.270
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		: 3000.270
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:        919968 kB
Buffers:         87192 kB
Cached:         953952 kB
SwapCached:       9864 kB
Active:         169548 kB
Inactive:       883416 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        919968 kB
SwapTotal:     4192956 kB
SwapFree:      4173168 kB
Dirty:            1876 kB
Writeback:           0 kB
Mapped:          17808 kB
Slab:            67848 kB
Committed_AS:  2892240 kB
PageTables:       2136 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= 66288 MiB
End job on node68 at 2009-03-29 05:47:22