Trace number 427064

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
SAT7 2007-02-08SAT 5.2322 5.23426

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 benchmark0.054991
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)

0.00/0.01	c Starting solver ...
0.00/0.02	c Restarting after 100 conflicts
0.00/0.04	c Restarting after 250 conflicts
0.00/0.06	c Restarting after 475 conflicts
0.09/0.10	c Restarting after 812 conflicts
0.09/0.17	c Restarting after 1318 conflicts
0.19/0.27	c Restarting after 2077 conflicts
0.39/0.42	c Restarting after 3216 conflicts
0.59/0.66	c Restarting after 4924 conflicts
1.00/1.04	c Restarting after 7486 conflicts
1.60/1.62	c Restarting after 11330 conflicts
2.49/2.50	c Restarting after 17097 conflicts
3.79/3.86	c Restarting after 25747 conflicts
5.19/5.23	s SATISFIABLE
5.19/5.23	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 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1096 1097 1098 -1099 1100 -1101 -1102 1103 1104 -1105 -1106 -1107 -1108 -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 
5.19/5.23	v 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node14/watcher-427064-1177831626 -o ROOT/results/node14/solver-427064-1177831626 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/427064-1177831626/sat7_bin /tmp/evaluation/427064-1177831626/instance-427064-1177831626.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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: 0.86 0.97 0.99 3/77 26942
/proc/meminfo: memFree=1572032/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=1256 CPUtime=0
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 163 0 0 0 0 0 0 0 18 0 1 0 231080339 1286144 147 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134547008 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 314 147 87 220 0 91 0

[startup+0.0993741 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 26942
/proc/meminfo: memFree=1572032/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=1660 CPUtime=0.09
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 262 0 0 0 9 0 0 0 18 0 1 0 231080339 1699840 246 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134528661 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 415 246 95 220 0 192 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1660

[startup+0.101373 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 26942
/proc/meminfo: memFree=1572032/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=1660 CPUtime=0.09
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 263 0 0 0 9 0 0 0 18 0 1 0 231080339 1699840 247 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532614 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 415 247 95 220 0 192 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1660

[startup+0.301392 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 26942
/proc/meminfo: memFree=1572032/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=2176 CPUtime=0.29
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 319 0 0 0 29 0 0 0 20 0 1 0 231080339 2228224 303 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532379 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 544 303 95 220 0 321 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2176

[startup+0.70143 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 26942
/proc/meminfo: memFree=1572032/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=2176 CPUtime=0.69
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 349 0 0 0 69 0 0 0 24 0 1 0 231080339 2228224 333 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134533384 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 544 333 95 220 0 321 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2176

[startup+1.5025 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 26943
/proc/meminfo: memFree=1570936/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=2176 CPUtime=1.5
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 399 0 0 0 150 0 0 0 25 0 1 0 231080339 2228224 383 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134538032 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 544 383 95 220 0 321 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 2176

[startup+3.10166 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 26943
/proc/meminfo: memFree=1570616/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=3204 CPUtime=3.09
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 444 0 0 0 309 0 0 0 25 0 1 0 231080339 3280896 428 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532419 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 801 428 95 220 0 578 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3204

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

[startup+3.90173 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 26943
/proc/meminfo: memFree=1570488/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=3204 CPUtime=3.89
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 460 0 0 0 389 0 0 0 25 0 1 0 231080339 3280896 444 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134539079 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 801 444 95 220 0 578 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 3204

[startup+4.70181 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 26943
/proc/meminfo: memFree=1570360/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=3204 CPUtime=4.69
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 480 0 0 0 469 0 0 0 25 0 1 0 231080339 3280896 464 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134536581 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 801 464 95 220 0 578 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 3204

[startup+5.10185 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 26943
/proc/meminfo: memFree=1570360/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=3204 CPUtime=5.09
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 491 0 0 0 509 0 0 0 25 0 1 0 231080339 3280896 475 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134536009 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 801 475 95 220 0 578 0
Current children cumulated CPU time (s) 5.09
Current children cumulated vsize (KiB) 3204

[startup+5.20186 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 26943
/proc/meminfo: memFree=1570360/2055920 swapFree=4148856/4192956
[pid=26942] ppid=26940 vsize=3204 CPUtime=5.19
/proc/26942/stat : 26942 (sat7_bin) R 26940 26942 25716 0 -1 4194304 493 0 0 0 519 0 0 0 25 0 1 0 231080339 3280896 477 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532433 0 0 4096 0 0 0 0 17 1 0 0
/proc/26942/statm: 801 477 95 220 0 578 0
Current children cumulated CPU time (s) 5.19
Current children cumulated vsize (KiB) 3204

Child status: 10
Real time (s): 5.23426
CPU time (s): 5.2322
CPU user time (s): 5.22621
CPU system time (s): 0.005999
CPU usage (%): 99.9607
Max. virtual memory (cumulated for all children) (KiB): 3204

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.22621
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= 498
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= 107

runsolver used 0.006998 second user time and 0.016997 second system time

The end

Launcher Data (download as text)

Begin job on node14 on Sun Apr 29 07:27:06 UTC 2007

IDJOB= 427064
IDBENCH= 20304
IDSOLVER= 183
FILE ID= node14/427064-1177831626

PBS_JOBID= 4718259

Free space on /tmp= 66563 MiB

SOLVER NAME= SAT7 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/427064-1177831626/sat7_bin /tmp/evaluation/427064-1177831626/instance-427064-1177831626.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node14/watcher-427064-1177831626 -o ROOT/results/node14/solver-427064-1177831626 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/427064-1177831626/sat7_bin /tmp/evaluation/427064-1177831626/instance-427064-1177831626.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  5b71a13667daed42fef777f7d5fe2376

RANDOM SEED= 570145944

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node14.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		: 3000.227
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		: 3000.227
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:       1572440 kB
Buffers:         45400 kB
Cached:         347008 kB
SwapCached:      12124 kB
Active:         277452 kB
Inactive:       139052 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1572440 kB
SwapTotal:     4192956 kB
SwapFree:      4148856 kB
Dirty:            1376 kB
Writeback:           0 kB
Mapped:          30564 kB
Slab:            52472 kB
Committed_AS:  7901512 kB
PageTables:       1788 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= 66563 MiB

End job on node14 on Sun Apr 29 07:27:11 UTC 2007