Trace number 311088

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, and are wall clock time (not CPU 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
adaptg2wsat0 2007-02-08SAT 0.489924 0.491005

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1209647106-12-SAT.cnf
MD5SUM5b71a13667daed42fef777f7d5fe2376
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.05599
Satisfiable
(Un)Satisfiability was proved
Number of variables1295
Number of clauses4026
Sum of the clauses size11273
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2805
Number of clauses of size 33221
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.41/0.48	c try 1 flip j 557545
0.41/0.48	c A solution is found
0.41/0.48	s SATISFIABLE
0.41/0.48	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 -461 462 463 464 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1109 -1110 -1111 -1112 1113 1114 1115 -1116 1117 1118 1119 -1120 -1121 -1122 1123 1124 1125 -1126 1127 -1128 -1129 1130 -1131 -1132 1133 -1134 1135 1136 -1137 1138 -1139 1140 -1141 1142 1143 1144 -1145 1146 -1147 -1148 1149 1150 1151 1152 -1153 -1154 1155 -1156 -1157 -1158 -1159 -1160 -1161 1162 -1163 -1164 1165 -1166 -1167 -1168 1169 -1170 -1171 -1172 -1173 -1174 1175 -1176 -1177 1178 1179 -1180 -1181 1182 -1183 1184 1185 1186 1187 1188 1189 1190 1191 -1192 -1193 1194 1195 -1196 1197 1198 -1199 -1200 1201 1202 -1203 1204 1205 -1206 -1207 1208 -1209 1210 -1211 1212 -1213 -1214 1215 -1216 -1217 -1218 -1219 1220 -1221 -1222 1223 1224 -1225 -1226 1227 -1228 -1229 1230 -1231 -1232 -1233 1234 -1235 1236 1237 -1238 -1239 1240 -1241 -1242 -1243 1244 -1245 1246 1247 1248 1249 1250 -1251 -1252 1253 -1254 1255 1256 -1257 -1258 1259 -1260 -1261 -1262 -1263 1264 1265 1266 -1267 -1268 1269 1270 -1271 -1272 -1273 -1274 -1275 1276 1277 -1278 1279 1280 1281 -1282 -1283 1284 1285 1286 -1287 -1288 1289 1290 -1291 1292 -1293 1294 1295 
0.41/0.48	v 0 
0.41/0.48	c Done (mycputime is 0.470 seconds)

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node3/watcher-311088-1172564453 -o ROOT/results/node3/solver-311088-1172564453 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311088-1172564453/adaptg2wsat0 /tmp/evaluation/311088-1172564453/instance-311088-1172564453.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 1.01 1.56 1.39 3/77 29285
/proc/meminfo: memFree=809120/2055920 swapFree=4192812/4192956
[pid=29285] ppid=29283 vsize=215024 CPUtime=0
/proc/29285/stat : 29285 (adaptg2wsat0) R 29283 29285 27123 0 -1 4194304 105 0 0 0 0 0 0 0 18 0 1 0 276400181 220184576 89 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134582935 0 0 4096 0 0 0 0 17 0 0 0
/proc/29285/statm: 53756 89 40 101 0 53262 0

[startup+0.107702 s]
/proc/loadavg: 1.01 1.56 1.39 3/77 29285
/proc/meminfo: memFree=809120/2055920 swapFree=4192812/4192956
[pid=29285] ppid=29283 vsize=215416 CPUtime=0.1
/proc/29285/stat : 29285 (adaptg2wsat0) R 29283 29285 27123 0 -1 4194304 250 0 0 0 10 0 0 0 18 0 1 0 276400181 220585984 230 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134546754 0 0 4096 0 0 0 0 17 0 0 0
/proc/29285/statm: 53854 230 43 101 0 53360 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 215416

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

[startup+0.414726 s]
/proc/loadavg: 1.01 1.56 1.39 3/77 29285
/proc/meminfo: memFree=809120/2055920 swapFree=4192812/4192956
[pid=29285] ppid=29283 vsize=215416 CPUtime=0.41
/proc/29285/stat : 29285 (adaptg2wsat0) R 29283 29285 27123 0 -1 4194304 250 0 0 0 41 0 0 0 21 0 1 0 276400181 220585984 230 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134545260 0 0 4096 0 0 0 0 17 0 0 0
/proc/29285/statm: 53854 230 43 101 0 53360 0
Current children cumulated CPU time (s) 0.41
Current children cumulated vsize (KiB) 215416

Child status: 10
Real time (s): 0.491005
CPU time (s): 0.489924
CPU user time (s): 0.486925
CPU system time (s): 0.002999
CPU usage (%): 99.7798
Max. virtual memory (cumulated for all children) (KiB): 215416

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.486925
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 265
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= 8
involuntary context switches= 16

runsolver used 0.000999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Tue Feb 27 08:20:53 UTC 2007

IDJOB= 311088
IDBENCH= 20304
IDSOLVER= 126
FILE ID= node3/311088-1172564453

PBS_JOBID= 3971662

Free space on /tmp= 66553 MiB

SOLVER NAME= adaptg2wsat0 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1209647106-12-SAT.cnf
COMMAND LINE= /tmp/evaluation/311088-1172564453/adaptg2wsat0 /tmp/evaluation/311088-1172564453/instance-311088-1172564453.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-311088-1172564453 -o ROOT/results/node3/solver-311088-1172564453 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311088-1172564453/adaptg2wsat0 /tmp/evaluation/311088-1172564453/instance-311088-1172564453.cnf            

META MD5SUM SOLVER= dc7cfffb7b5aa51d884144c196acd75c
MD5SUM BENCH=  5b71a13667daed42fef777f7d5fe2376

RANDOM SEED= 506554665

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.241
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		: 3000.241
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:        809592 kB
Buffers:         69528 kB
Cached:        1039688 kB
SwapCached:          0 kB
Active:         464788 kB
Inactive:       699100 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        809592 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            6284 kB
Writeback:           0 kB
Mapped:          73576 kB
Slab:            68100 kB
Committed_AS:  1196952 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= 66553 MiB

End job on node3 on Tue Feb 27 08:20:54 UTC 2007