Trace number 1518264

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 4.28935 4.28951

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/420/
unif-k3-r4.25-v420-c1785-S1362286908-061.cnf
MD5SUM647005b2285214f4136823936a28bcc9
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.014997
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 

4.19/4.28	c clasp version 1.2.0-SAT09 
4.19/4.28	c Reading from ...297557/instance-1518264-1238297557.cnf
4.19/4.28	c Reading      : Done(0.000s)
4.19/4.28	c Preprocessing: |-\Done(0.000s)
4.19/4.28	c Solving...
4.19/4.28	c Model: 1
4.19/4.28	v 1 -2 -3 -4 -5 6 7 -8 -9 -10
4.19/4.28	v -11 -12 13 14 -15 -16 17 18 -19 20
4.19/4.28	v 21 22 23 24 25 26 27 28 29 -30
4.19/4.28	v 31 -32 -33 34 35 -36 -37 38 39 -40
4.19/4.28	v -41 42 43 44 -45 46 -47 48 49 -50
4.19/4.28	v 51 52 53 -54 55 -56 -57 58 59 -60
4.19/4.28	v -61 62 63 64 65 -66 67 68 -69 70
4.19/4.28	v 71 -72 73 74 75 -76 77 -78 -79 -80
4.19/4.28	v 81 -82 83 -84 -85 86 87 88 89 -90
4.19/4.28	v 91 92 93 94 -95 96 97 -98 99 -100
4.19/4.28	v 101 102 103 -104 -105 -106 107 108 -109 110
4.19/4.28	v -111 -112 -113 114 -115 -116 117 -118 119 -120
4.19/4.28	v -121 122 -123 124 -125 126 -127 -128 129 -130
4.19/4.28	v -131 132 -133 134 135 -136 137 -138 139 -140
4.19/4.28	v -141 -142 143 144 -145 146 147 148 149 -150
4.19/4.28	v 151 152 -153 -154 155 -156 -157 158 -159 160
4.19/4.28	v -161 -162 -163 164 -165 -166 -167 -168 169 170
4.19/4.28	v -171 172 -173 174 175 -176 -177 -178 -179 180
4.19/4.28	v 181 182 183 184 -185 -186 -187 -188 -189 -190
4.19/4.28	v 191 192 193 -194 -195 196 -197 -198 -199 200
4.19/4.28	v 201 202 -203 -204 -205 -206 207 208 -209 -210
4.19/4.28	v -211 -212 213 214 215 216 -217 -218 -219 220
4.19/4.28	v -221 -222 223 224 -225 -226 227 -228 229 -230
4.19/4.28	v -231 -232 -233 234 235 236 -237 -238 239 -240
4.19/4.28	v -241 -242 -243 -244 -245 246 -247 248 249 250
4.19/4.28	v -251 252 -253 -254 255 256 257 258 -259 260
4.19/4.28	v 261 262 -263 264 265 -266 -267 268 269 270
4.19/4.28	v 271 -272 -273 274 275 276 277 -278 -279 -280
4.19/4.28	v 281 282 283 -284 285 -286 287 288 289 290
4.19/4.28	v -291 -292 293 294 -295 -296 -297 298 299 300
4.19/4.28	v -301 -302 303 304 -305 -306 -307 308 -309 -310
4.19/4.28	v 311 312 313 314 315 316 -317 -318 -319 -320
4.19/4.28	v 321 -322 323 324 -325 326 -327 -328 329 330
4.19/4.28	v 331 -332 333 334 335 -336 337 -338 339 340
4.19/4.28	v -341 342 -343 -344 345 -346 -347 348 -349 -350
4.19/4.28	v 351 352 -353 -354 -355 356 -357 -358 -359 -360
4.19/4.28	v 361 -362 -363 364 365 -366 -367 368 -369 -370
4.19/4.28	v -371 -372 -373 374 375 376 377 378 -379 -380
4.19/4.28	v -381 -382 -383 384 -385 386 -387 -388 -389 -390
4.19/4.28	v -391 392 -393 -394 395 -396 -397 -398 399 -400
4.19/4.28	v 401 -402 403 -404 405 -406 -407 408 409 -410
4.19/4.28	v 411 412 413 -414 415 -416 -417 -418 -419 -420 0 
4.19/4.28	
4.19/4.28	c Models    : 1+    
4.19/4.28	c Time         : 4.280s (Solve: 4.280s)
4.19/4.28	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-1518264-1238297557/watcher-1518264-1238297557 -o /tmp/evaluation-result-1518264-1238297557/solver-1518264-1238297557 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1518264-1238297557.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: 1.99 1.98 2.00 4/86 3066
/proc/meminfo: memFree=1587592/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=1828 CPUtime=0
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 275 0 0 0 0 0 0 0 18 0 1 0 1102419699 1871872 256 1992294400 134512640 136057169 4294956160 18446744073709551615 134652080 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 457 256 180 377 0 77 0

[startup+0.0443269 s]
/proc/loadavg: 1.99 1.98 2.00 4/86 3066
/proc/meminfo: memFree=1587592/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=1828 CPUtime=0.04
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 276 0 0 0 4 0 0 0 18 0 1 0 1102419699 1871872 257 1992294400 134512640 136057169 4294956160 18446744073709551615 134823844 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 457 257 181 377 0 77 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1828

[startup+0.101333 s]
/proc/loadavg: 1.99 1.98 2.00 4/86 3066
/proc/meminfo: memFree=1587592/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=1960 CPUtime=0.1
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 287 0 0 0 10 0 0 0 18 0 1 0 1102419699 2007040 268 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 490 268 181 377 0 110 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1960

[startup+0.301358 s]
/proc/loadavg: 1.99 1.98 2.00 4/86 3066
/proc/meminfo: memFree=1587592/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=2092 CPUtime=0.3
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 314 0 0 0 30 0 0 0 19 0 1 0 1102419699 2142208 295 1992294400 134512640 136057169 4294956160 18446744073709551615 134823846 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 523 295 181 377 0 143 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 2092

[startup+0.701408 s]
/proc/loadavg: 1.99 1.98 2.00 4/86 3066
/proc/meminfo: memFree=1587592/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=2224 CPUtime=0.7
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 351 0 0 0 70 0 0 0 23 0 1 0 1102419699 2277376 332 1992294400 134512640 136057169 4294956160 18446744073709551615 134828324 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 556 332 181 377 0 176 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 2224

[startup+1.50251 s]
/proc/loadavg: 1.99 1.98 2.00 3/87 3067
/proc/meminfo: memFree=1586880/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=2360 CPUtime=1.5
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 393 0 0 0 150 0 0 0 25 0 1 0 1102419699 2416640 374 1992294400 134512640 136057169 4294956160 18446744073709551615 134823809 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 590 374 181 377 0 210 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 2360

[startup+3.10171 s]
/proc/loadavg: 1.99 1.98 2.00 3/87 3067
/proc/meminfo: memFree=1586496/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=2624 CPUtime=3.09
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 463 0 0 0 309 0 0 0 25 0 1 0 1102419699 2686976 444 1992294400 134512640 136057169 4294956160 18446744073709551615 134613089 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 656 444 181 377 0 276 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2624

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

[startup+3.90181 s]
/proc/loadavg: 1.99 1.98 2.00 3/87 3067
/proc/meminfo: memFree=1586240/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=2756 CPUtime=3.89
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 482 0 0 0 389 0 0 0 25 0 1 0 1102419699 2822144 463 1992294400 134512640 136057169 4294956160 18446744073709551615 134825006 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 689 463 181 377 0 309 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 2756

[startup+4.10183 s]
/proc/loadavg: 1.99 1.98 2.00 3/87 3067
/proc/meminfo: memFree=1586240/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=2756 CPUtime=4.09
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 486 0 0 0 409 0 0 0 25 0 1 0 1102419699 2822144 467 1992294400 134512640 136057169 4294956160 18446744073709551615 134618270 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 689 467 181 377 0 309 0
Current children cumulated CPU time (s) 4.09
Current children cumulated vsize (KiB) 2756

[startup+4.20185 s]
/proc/loadavg: 1.99 1.98 2.00 3/87 3067
/proc/meminfo: memFree=1586240/2055920 swapFree=4170308/4192956
[pid=3066] ppid=3064 vsize=2756 CPUtime=4.19
/proc/3066/stat : 3066 (clasp) R 3064 3066 31981 0 -1 4194304 486 0 0 0 419 0 0 0 25 0 1 0 1102419699 2822144 467 1992294400 134512640 136057169 4294956160 18446744073709551615 134823886 0 0 4096 16386 0 0 0 17 1 0 0
/proc/3066/statm: 689 467 181 377 0 309 0
Current children cumulated CPU time (s) 4.19
Current children cumulated vsize (KiB) 2756

Child status: 10
Real time (s): 4.28951
CPU time (s): 4.28935
CPU user time (s): 4.28735
CPU system time (s): 0.001999
CPU usage (%): 99.9963
Max. virtual memory (cumulated for all children) (KiB): 2756

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.28735
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 492
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= 8

runsolver used 0.005999 second user time and 0.022996 second system time

The end

Launcher Data 

Begin job on node92 at 2009-03-29 05:32:37
IDJOB=1518264
IDBENCH=70665
IDSOLVER=508
FILE ID=node92/1518264-1238297557
PBS_JOBID= 9060993
Free space on /tmp= 66564 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/420/unif-k3-r4.25-v420-c1785-S1362286908-061.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-1518264-1238297557/watcher-1518264-1238297557 -o /tmp/evaluation-result-1518264-1238297557/solver-1518264-1238297557 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1518264-1238297557.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= 647005b2285214f4136823936a28bcc9
RANDOM SEED=1493400681

node92.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		: 3000.249
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		: 3000.249
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1588072 kB
Buffers:         64108 kB
Cached:         335376 kB
SwapCached:       7632 kB
Active:         140740 kB
Inactive:       268612 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1588072 kB
SwapTotal:     4192956 kB
SwapFree:      4170308 kB
Dirty:            1880 kB
Writeback:           0 kB
Mapped:          15620 kB
Slab:            42528 kB
Committed_AS:  1881204 kB
PageTables:       2768 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= 66560 MiB
End job on node92 at 2009-03-29 05:32:41