Trace number 1519210

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
picosat 913SAT 7.66583 7.66887

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/360/
unif-k3-r4.25-v360-c1530-S1826927554-087.cnf
MD5SUM0b7c656709bcc63999a07f86368ab57c
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 variables360
Number of clauses1530
Sum of the clauses size4590
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31530
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 PicoSAT SAT Solver Version 913
0.00/0.00	c Copyright (c) 2006 - 2009 Armin Biere JKU Linz
0.00/0.00	c gcc -Wall -Wextra -m32 -static -DNDEBUG -O3 -fomit-frame-pointer -finline-limit=1000000
0.00/0.00	c
0.00/0.00	c parsing HOME/instance-1519210-1238309056.cnf
0.00/0.00	c parsed header 'p cnf 360 1530'
0.00/0.00	c initialized 360 variables
0.00/0.00	c found 1530 non trivial clauses
0.00/0.00	c
0.00/0.00	c random number generator seed 0
0.00/0.00	c 
0.00/0.00	c  seconds     variables   original    learned     agility
0.00/0.00	c         level        used      conflicts    limit          MB
0.00/0.00	c 
0.00/0.00	c s   0.0   0.0   360   0.0  1530     0     0     0   0.0   0.1 
0.00/0.00	c 
0.00/0.00	c initial reduction limit 765 clauses
0.00/0.00	c 
0.00/0.00	c +   0.0  42.3   360  87.2  1530   100   100   841  12.7   0.1 
0.00/0.00	c R   0.0  42.3   360  87.5  1530   102   102   841  13.0   0.1 
0.00/0.00	c +   0.0  34.5   360  97.5  1530   250   250   925  21.1   0.1 
0.00/0.01	c N   0.0  32.3   360  97.8  1530   402   402   925  24.9   0.1 
0.00/0.01	c +   0.0  31.4   360  98.3  1530   475   475  1017  24.2   0.1 
0.00/0.02	c +   0.0  29.1   360  98.9  1530   812   812  1118  28.2   0.2 
0.00/0.03	c N   0.0  28.1   360  99.2  1530  1210   647  1118  28.7   0.1 
0.00/0.04	c +   0.0  27.8   360  99.2  1530  1317   754  1229  28.8   0.2 
0.05/0.06	c +   0.1  26.8   360  99.2  1530  2074   891  1351  30.0   0.2 
0.05/0.10	c +   0.1  25.6   360  99.7  1530  3209  1346  1486  28.4   0.2 
0.05/0.10	c N   0.1  25.6   360  99.7  1530  3215  1352  1486  28.7   0.2 
0.10/0.15	c +   0.2  25.0   360  99.7  1530  4911   804  1634  28.5   0.2 
0.20/0.24	c +   0.2  24.4   360  99.7  1530  7464   890  1797  28.2   0.2 
0.20/0.26	c N   0.3  24.3   360  99.7  1530  8027  1453  1797  30.4   0.2 
0.30/0.37	c +   0.4  24.2   360  99.7  1530 11293  1095  1976  26.6   0.2 
0.50/0.58	c +   0.6  23.5   360  99.7  1530 17036  1875  2173  26.2   0.3 
0.60/0.66	c N   0.7  23.4   360  99.7  1530 19257  1913  2173  28.1   0.3 
0.80/0.88	c +   0.9  23.0   360  99.7  1530 25650  1755  2390  26.0   0.3 
1.30/1.36	c +   1.4  22.1   360  99.7  1530 38571  1463  2629  27.8   0.2 
1.50/1.60	c N   1.6  21.8   360  99.7  1530 44898  2506  2629  26.7   0.3 
1.50/1.60	c 
1.50/1.60	c  seconds     variables   original    learned     agility
1.50/1.60	c         level        used      conflicts    limit          MB
1.50/1.60	c 
2.10/2.10	c +   2.1  21.4   360  99.7  1530 57952  2352  2891  26.7   0.3 
3.20/3.21	c +   3.2  21.1   360  99.7  1530 87023  2386  3180  26.5   0.3 
3.79/3.84	c N   3.8  20.7   360  99.7  1530 102e3  2004  3180  27.2   0.3 
4.89/4.99	c +   5.0  20.6   360  99.7  1530 130e3  2884  3498  26.0   0.4 
7.60/7.66	c 1   7.7  19.8   360  99.7  1530 195e3  3125  3498  24.3   0.4 
7.60/7.66	c 
7.60/7.66	c  seconds     variables   original    learned     agility
7.60/7.66	c         level        used      conflicts    limit          MB
7.60/7.66	c 
7.60/7.66	s SATISFIABLE
7.60/7.66	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
7.60/7.66	v -25 -26 27 28 29 30 -31 -32 33 34 35 -36 -37 38 39 40 41 42 -43 -44 45 46 47
7.60/7.66	v -48 49 -50 51 -52 -53 54 55 56 -57 -58 -59 60 61 62 -63 64 -65 66 -67 -68 -69
7.60/7.66	v -70 -71 -72 -73 -74 -75 76 77 78 -79 -80 81 -82 83 -84 -85 86 -87 -88 -89 90
7.60/7.66	v -91 -92 -93 94 95 -96 97 -98 99 -100 -101 102 -103 104 -105 106 107 -108 109
7.60/7.66	v -110 -111 -112 113 -114 -115 116 117 -118 119 120 -121 122 123 124 -125 -126
7.60/7.66	v -127 128 129 -130 131 -132 133 -134 135 -136 137 -138 -139 -140 141 142 143
7.60/7.66	v -144 145 -146 147 148 -149 150 -151 152 -153 154 -155 156 -157 158 159 -160
7.60/7.66	v -161 162 163 -164 165 166 -167 -168 -169 -170 171 172 -173 174 175 -176 177
7.60/7.66	v -178 179 180 181 182 -183 -184 185 -186 -187 -188 -189 190 191 -192 -193 -194
7.60/7.66	v 195 196 197 198 -199 -200 201 202 -203 -204 -205 -206 207 -208 209 210 211
7.60/7.66	v 212 213 214 -215 -216 -217 -218 219 220 221 222 -223 -224 225 226 227 228
7.60/7.66	v -229 -230 -231 232 233 234 -235 236 237 238 239 -240 241 242 243 244 -245
7.60/7.66	v -246 247 -248 249 -250 -251 252 -253 254 255 -256 257 258 259 260 261 -262
7.60/7.66	v 263 -264 265 -266 -267 -268 269 270 -271 -272 273 -274 -275 -276 277 -278
7.60/7.66	v -279 -280 -281 282 -283 -284 -285 286 -287 288 289 -290 -291 -292 293 294
7.60/7.66	v -295 296 -297 298 -299 300 301 302 -303 304 -305 -306 307 -308 309 310 -311
7.60/7.66	v -312 313 -314 -315 -316 -317 318 319 320 321 -322 323 -324 325 326 -327 -328
7.60/7.66	v 329 -330 -331 -332 -333 334 -335 -336 337 338 -339 340 -341 342 -343 344 345
7.60/7.66	v 346 -347 -348 349 -350 351 -352 -353 354 355 356 357 -358 359 -360 0
7.60/7.66	c
7.60/7.66	c 0 iterations
7.60/7.66	c 2 restarts
7.60/7.66	c 0 failed literals
7.60/7.66	c 195840 conflicts
7.60/7.66	c 231983 decisions
7.60/7.66	c 0 fixed variables
7.60/7.66	c 3926796 learned literals
7.60/7.66	c 20.3% deleted literals
7.60/7.66	c 14788289 propagations
7.60/7.66	c 99.7% variables used
7.60/7.66	c 7.7 seconds in library
7.60/7.66	c 1.9 megaprops/second
7.60/7.66	c 1 simplifications
7.60/7.66	c 135 reductions
7.60/7.66	c 18.5 MB recycled
7.60/7.66	c 0.4 MB maximally allocated
7.60/7.66	c 7.7 seconds total run time

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-1519210-1238309056/watcher-1519210-1238309056 -o /tmp/evaluation-result-1519210-1238309056/solver-1519210-1238309056 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/picosat HOME/instance-1519210-1238309056.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: 1.00 1.00 1.00 3/64 9363
/proc/meminfo: memFree=1818064/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=780 CPUtime=0
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 116 0 0 0 0 0 0 0 18 0 1 0 1103571892 798720 101 1992294400 134512640 135137933 4294956240 18446744073709551615 134548801 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 195 101 69 152 0 41 0

[startup+0.057724 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9363
/proc/meminfo: memFree=1818064/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=912 CPUtime=0.05
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 148 0 0 0 5 0 0 0 18 0 1 0 1103571892 933888 133 1992294400 134512640 135137933 4294956240 18446744073709551615 134551631 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 228 133 69 152 0 74 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 912

[startup+0.101731 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9363
/proc/meminfo: memFree=1818064/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=912 CPUtime=0.1
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 151 0 0 0 10 0 0 0 18 0 1 0 1103571892 933888 136 1992294400 134512640 135137933 4294956240 18446744073709551615 134548597 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 228 137 69 152 0 74 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 912

[startup+0.301766 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9363
/proc/meminfo: memFree=1818064/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=1040 CPUtime=0.3
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 162 0 0 0 30 0 0 0 19 0 1 0 1103571892 1064960 147 1992294400 134512640 135137933 4294956240 18446744073709551615 134548844 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 260 147 69 152 0 106 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 1040

[startup+0.701839 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9363
/proc/meminfo: memFree=1818064/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=1040 CPUtime=0.7
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 174 0 0 0 70 0 0 0 22 0 1 0 1103571892 1064960 159 1992294400 134512640 135137933 4294956240 18446744073709551615 134547611 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 260 159 69 152 0 106 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 1040

[startup+1.50198 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9364
/proc/meminfo: memFree=1817608/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=1040 CPUtime=1.5
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 186 0 0 0 150 0 0 0 25 0 1 0 1103571892 1064960 171 1992294400 134512640 135137933 4294956240 18446744073709551615 134551624 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 260 171 69 152 0 106 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 1040

[startup+3.10127 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9364
/proc/meminfo: memFree=1817480/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=1172 CPUtime=3.09
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 199 0 0 0 309 0 0 0 25 0 1 0 1103571892 1200128 184 1992294400 134512640 135137933 4294956240 18446744073709551615 134551536 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 293 184 69 152 0 139 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1172

[startup+6.30184 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9364
/proc/meminfo: memFree=1817288/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=1172 CPUtime=6.29
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 212 0 0 0 629 0 0 0 25 0 1 0 1103571892 1200128 197 1992294400 134512640 135137933 4294956240 18446744073709551615 134548558 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 293 197 69 152 0 139 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1172

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

[startup+7.10198 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9364
/proc/meminfo: memFree=1817288/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=1172 CPUtime=7.09
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 212 0 0 0 709 0 0 0 25 0 1 0 1103571892 1200128 197 1992294400 134512640 135137933 4294956240 18446744073709551615 134551478 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 293 197 69 152 0 139 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 1172

[startup+7.50206 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9364
/proc/meminfo: memFree=1817288/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=1172 CPUtime=7.49
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 212 0 0 0 749 0 0 0 25 0 1 0 1103571892 1200128 197 1992294400 134512640 135137933 4294956240 18446744073709551615 134548834 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 293 197 69 152 0 139 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 1172

[startup+7.60208 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9364
/proc/meminfo: memFree=1817288/2055920 swapFree=4178768/4192956
[pid=9363] ppid=9361 vsize=1172 CPUtime=7.6
/proc/9363/stat : 9363 (picosat) R 9361 9363 9079 0 -1 4194304 212 0 0 0 760 0 0 0 25 0 1 0 1103571892 1200128 197 1992294400 134512640 135137933 4294956240 18446744073709551615 134552041 0 0 4096 0 0 0 0 17 1 0 0
/proc/9363/statm: 293 197 69 152 0 139 0
Current children cumulated CPU time (s) 7.6
Current children cumulated vsize (KiB) 1172

Child status: 10
Real time (s): 7.66887
CPU time (s): 7.66583
CPU user time (s): 7.66583
CPU system time (s): 0
CPU usage (%): 99.9604
Max. virtual memory (cumulated for all children) (KiB): 1172

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.66583
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= 214
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= 6

runsolver used 0.013997 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node12 at 2009-03-29 08:44:16
IDJOB=1519210
IDBENCH=70744
IDSOLVER=506
FILE ID=node12/1519210-1238309056
PBS_JOBID= 9061077
Free space on /tmp= 65380 MiB

SOLVER NAME= picosat 913
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/360/unif-k3-r4.25-v360-c1530-S1826927554-087.cnf
COMMAND LINE= HOME/picosat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1519210-1238309056/watcher-1519210-1238309056 -o /tmp/evaluation-result-1519210-1238309056/solver-1519210-1238309056 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/picosat HOME/instance-1519210-1238309056.cnf

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

MD5SUM BENCH= 0b7c656709bcc63999a07f86368ab57c
RANDOM SEED=588622054

node12.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		: 3000.266
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		: 3000.266
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:       1818480 kB
Buffers:         49520 kB
Cached:         113768 kB
SwapCached:       7936 kB
Active:          96296 kB
Inactive:        76340 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1818480 kB
SwapTotal:     4192956 kB
SwapFree:      4178768 kB
Dirty:             736 kB
Writeback:           0 kB
Mapped:          15012 kB
Slab:            50828 kB
Committed_AS:  2979200 kB
PageTables:       1380 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= 65380 MiB
End job on node12 at 2009-03-29 08:44:24