Trace number 1519236

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 17.2884 17.2946

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/360/
unif-k3-r4.25-v360-c1530-S1459690542-033.cnf
MD5SUMc06f037558f89bd433f3640c2e148f97
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.006998
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 

17.18/17.29	c clasp version 1.2.0-SAT09 
17.18/17.29	c Reading from ...309175/instance-1519236-1238309175.cnf
17.18/17.29	c Reading      : Done(0.000s)
17.18/17.29	c Preprocessing: |-\Done(0.000s)
17.18/17.29	c Solving...
17.18/17.29	c Model: 1
17.18/17.29	v -1 2 3 4 -5 6 7 -8 9 -10
17.18/17.29	v 11 -12 -13 -14 15 -16 -17 18 -19 -20
17.18/17.29	v -21 22 23 -24 25 -26 -27 28 29 30
17.18/17.29	v 31 32 -33 -34 -35 36 37 -38 -39 -40
17.18/17.29	v 41 42 -43 44 -45 -46 -47 48 49 -50
17.18/17.29	v 51 52 53 54 55 56 -57 58 59 -60
17.18/17.29	v -61 -62 63 -64 65 66 -67 68 69 -70
17.18/17.29	v 71 -72 73 -74 75 -76 -77 -78 79 80
17.18/17.29	v 81 82 -83 84 -85 86 -87 -88 89 -90
17.18/17.29	v 91 -92 -93 -94 -95 -96 -97 -98 -99 100
17.18/17.29	v -101 -102 -103 -104 105 106 107 -108 -109 110
17.18/17.29	v -111 -112 113 -114 -115 116 117 118 119 -120
17.18/17.29	v 121 122 -123 124 -125 -126 -127 128 -129 130
17.18/17.29	v -131 132 -133 -134 -135 -136 137 138 -139 -140
17.18/17.29	v -141 -142 -143 144 -145 146 -147 -148 -149 -150
17.18/17.29	v 151 152 -153 154 155 156 -157 158 -159 -160
17.18/17.29	v -161 -162 -163 -164 -165 166 167 -168 -169 -170
17.18/17.29	v 171 -172 -173 -174 175 -176 -177 -178 179 -180
17.18/17.29	v -181 182 -183 -184 185 186 -187 -188 189 190
17.18/17.29	v 191 -192 193 -194 195 196 197 -198 199 200
17.18/17.29	v 201 -202 203 -204 205 206 207 208 209 -210
17.18/17.29	v 211 -212 -213 -214 215 216 -217 -218 -219 220
17.18/17.29	v -221 222 -223 224 -225 -226 -227 228 -229 -230
17.18/17.29	v -231 232 233 234 235 -236 237 238 -239 240
17.18/17.29	v 241 242 243 -244 -245 -246 -247 -248 249 -250
17.18/17.29	v -251 -252 253 254 -255 -256 -257 -258 -259 260
17.18/17.29	v -261 262 -263 -264 -265 266 -267 268 269 -270
17.18/17.29	v 271 272 -273 274 275 -276 -277 278 279 -280
17.18/17.29	v 281 -282 -283 -284 -285 -286 287 288 -289 290
17.18/17.29	v -291 -292 293 294 -295 -296 -297 298 -299 -300
17.18/17.29	v 301 302 303 -304 -305 -306 307 308 309 -310
17.18/17.29	v 311 -312 313 -314 315 316 -317 318 319 -320
17.18/17.29	v -321 -322 -323 -324 325 -326 -327 -328 -329 330
17.18/17.29	v -331 332 -333 334 -335 -336 337 338 339 -340
17.18/17.29	v 341 342 -343 -344 345 -346 347 348 -349 350
17.18/17.29	v 351 352 353 -354 355 356 357 358 -359 360 0 
17.18/17.29	
17.18/17.29	c Models    : 1+    
17.18/17.29	c Time         : 17.280s (Solve: 17.280s)
17.18/17.29	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-1519236-1238309175/watcher-1519236-1238309175 -o /tmp/evaluation-result-1519236-1238309175/solver-1519236-1238309175 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1519236-1238309175.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 3/64 9471
/proc/meminfo: memFree=1816464/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=1828 CPUtime=0
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 244 0 0 0 0 0 0 0 18 0 1 0 1103583719 1871872 226 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 457 227 170 377 0 77 0

[startup+0.0279911 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9471
/proc/meminfo: memFree=1816464/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=1828 CPUtime=0.02
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 266 0 0 0 2 0 0 0 18 0 1 0 1103583719 1871872 248 1992294400 134512640 136057169 4294956160 18446744073709551615 134823738 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 457 248 181 377 0 77 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1828

[startup+0.102004 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9471
/proc/meminfo: memFree=1816464/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=1960 CPUtime=0.09
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 277 0 0 0 9 0 0 0 18 0 1 0 1103583719 2007040 259 1992294400 134512640 136057169 4294956160 18446744073709551615 134828471 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 490 259 181 377 0 110 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1960

[startup+0.301038 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9471
/proc/meminfo: memFree=1816464/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=1960 CPUtime=0.29
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 299 0 0 0 29 0 0 0 19 0 1 0 1103583719 2007040 281 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 490 281 181 377 0 110 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1960

[startup+0.701109 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9471
/proc/meminfo: memFree=1816464/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=2092 CPUtime=0.69
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 329 0 0 0 69 0 0 0 22 0 1 0 1103583719 2142208 311 1992294400 134512640 136057169 4294956160 18446744073709551615 134823797 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 523 311 181 377 0 143 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2092

[startup+1.50125 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1815880/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=2224 CPUtime=1.49
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 365 0 0 0 149 0 0 0 25 0 1 0 1103583719 2277376 347 1992294400 134512640 136057169 4294956160 18446744073709551615 134828289 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 556 347 181 377 0 176 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2224

[startup+3.10154 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1815560/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=2488 CPUtime=3.09
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 413 0 0 0 309 0 0 0 25 0 1 0 1103583719 2547712 395 1992294400 134512640 136057169 4294956160 18446744073709551615 134823882 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 622 395 181 377 0 242 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2488

[startup+6.30211 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1815240/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=2620 CPUtime=6.29
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 473 0 0 0 629 0 0 0 25 0 1 0 1103583719 2682880 455 1992294400 134512640 136057169 4294956160 18446744073709551615 134823898 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 655 455 181 377 0 275 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 2620

[startup+12.7013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1814792/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=3016 CPUtime=12.69
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 550 0 0 0 1269 0 0 0 25 0 1 0 1103583719 3088384 532 1992294400 134512640 136057169 4294956160 18446744073709551615 134618449 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 754 532 181 377 0 374 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3016

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

[startup+14.3055 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1814728/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=3016 CPUtime=14.29
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 565 0 0 0 1429 0 0 0 25 0 1 0 1103583719 3088384 547 1992294400 134512640 136057169 4294956160 18446744073709551615 134824827 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 754 547 181 377 0 374 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 3016

[startup+15.9018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1814664/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=3148 CPUtime=15.89
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 585 0 0 0 1589 0 0 0 25 0 1 0 1103583719 3223552 567 1992294400 134512640 136057169 4294956160 18446744073709551615 134823741 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 787 567 181 377 0 407 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 3148

[startup+16.702 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1814600/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=3148 CPUtime=16.69
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 594 0 0 0 1669 0 0 0 25 0 1 0 1103583719 3223552 576 1992294400 134512640 136057169 4294956160 18446744073709551615 134820283 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 787 576 181 377 0 407 0
Current children cumulated CPU time (s) 16.69
Current children cumulated vsize (KiB) 3148

[startup+17.101 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1814600/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=3148 CPUtime=17.08
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 600 0 0 0 1708 0 0 0 25 0 1 0 1103583719 3223552 582 1992294400 134512640 136057169 4294956160 18446744073709551615 134618141 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 787 582 181 377 0 407 0
Current children cumulated CPU time (s) 17.08
Current children cumulated vsize (KiB) 3148

[startup+17.2011 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9472
/proc/meminfo: memFree=1814600/2055920 swapFree=4178768/4192956
[pid=9471] ppid=9469 vsize=3148 CPUtime=17.18
/proc/9471/stat : 9471 (clasp) R 9469 9471 9079 0 -1 4194304 600 0 0 0 1718 0 0 0 25 0 1 0 1103583719 3223552 582 1992294400 134512640 136057169 4294956160 18446744073709551615 134618238 0 0 4096 16386 0 0 0 17 1 0 0
/proc/9471/statm: 787 582 181 377 0 407 0
Current children cumulated CPU time (s) 17.18
Current children cumulated vsize (KiB) 3148

Child status: 10
Real time (s): 17.2946
CPU time (s): 17.2884
CPU user time (s): 17.2824
CPU system time (s): 0.005999
CPU usage (%): 99.9638
Max. virtual memory (cumulated for all children) (KiB): 3148

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.2824
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 606
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= 16

runsolver used 0.021996 second user time and 0.037994 second system time

The end

Launcher Data 

Begin job on node12 at 2009-03-29 08:46:15
IDJOB=1519236
IDBENCH=70746
IDSOLVER=508
FILE ID=node12/1519236-1238309175
PBS_JOBID= 9061077
Free space on /tmp= 65380 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/360/unif-k3-r4.25-v360-c1530-S1459690542-033.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-1519236-1238309175/watcher-1519236-1238309175 -o /tmp/evaluation-result-1519236-1238309175/solver-1519236-1238309175 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1519236-1238309175.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= c06f037558f89bd433f3640c2e148f97
RANDOM SEED=162044612

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:       1816944 kB
Buffers:         49704 kB
Cached:         115012 kB
SwapCached:       7936 kB
Active:          97672 kB
Inactive:        76372 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1816944 kB
SwapTotal:     4192956 kB
SwapFree:      4178768 kB
Dirty:            1860 kB
Writeback:           0 kB
Mapped:          15012 kB
Slab:            50944 kB
Committed_AS:  2979256 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 08:46:32