Trace number 3500003

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
sattime+ 2011-03-02SAT 0.501922 0.503148

General information on the benchmark

NameSAT05/crafted/sorge05/QG8/
iso-ukn009.shuffled-as.sat05-3632.cnf
MD5SUM4502d767c38bfe3825eec510915dae05
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.020995
Satisfiable
(Un)Satisfiability was proved
Number of variables1584
Number of clauses16587
Sum of the clauses size75691
Maximum clause length22
Minimum clause length1
Number of clauses of size 1143
Number of clauses of size 22152
Number of clauses of size 310834
Number of clauses of size 4110
Number of clauses of size 5140
Number of clauses of size over 53208

Solver Data 

0.49/0.50	c 1713 clauses are redundant and removed
0.49/0.50	c 470 vars are fixed and 11322 clauses are removed after unit propagation
0.49/0.50	c 518 vars are fixed and 12674 clauses are removed after lookahead
0.49/0.50	c initial seed is 284419979
0.49/0.50	c try=1 flip j=182754 walk=171012 seed 284419996
0.49/0.50	c A solution is found
0.49/0.50	s SATISFIABLE
0.49/0.50	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 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-1287 -1288 1289 -1290 1291 1292 1293 1294 -1295 -1296 1297 1298 -1299 -1300 1301 1302 1303 -1304 1305 1306 1307 1308 -1309 1310 -1311 1312 1313 -1314 1315 1316 -1317 -1318 -1319 -1320 1321 1322 -1323 -1324 1325 1326 1327 -1328 1329 -1330 1331 1332 -1333 1334 1335 -1336 -1337 1338 1339 -1340 -1341 1342 1343 -1344 -1345 -1346 -1347 1348 -1349 -1350 1351 -1352 -1353 1354 1355 1356 1357 1358 -1359 1360 -1361 1362 1363 1364 1365 -1366 1367 -1368 -1369 -1370 1371 -1372 1373 1374 1375 -1376 1377 1378 1379 1380 1381 -1382 1383 1384 -1385 1386 1387 -1388 -1389 1390 1391 -1392 1393 1394 1395 -1396 -1397 1398 1399 1400 -1401 1402 -1403 -1404 -1405 1406 1407 1408 1409 1410 -1411 -1412 1413 1414 1415 -1416 -1417 1418 -1419 -1420 1421 -1422 1423 -1424 -1425 -1426 -1427 1428 1429 1430 1431 -1432 1433 -1434 -1435 -1436 -1437 -1438 1439 1440 1441 -1442 1443 1444 -1445 -1446 1447 -1448 -1449 -1450 1451 -1452 -1453 1454 1455 1456 1457 1458 1459 -1460 1461 -1462 1463 -1464 -1465 1466 -1467 1468 -1469 1470 1471 -1472 1473 1474 1475 1476 -1477 1478 -1479 1480 1481 1482 -1483 1484 -1485 1486 1487 -1488 1489 1490 1491 1492 -1493 1494 1495 1496 -1497 -1498 1499 -1500 1501 -1502 1503 -1504 -1505 1506 1507 -1508 -1509 1510 1511 1512 -1513 -1514 1515 -1516 -1517 1518 -1519 1520 -1521 -1522 -1523 -1524 -1525 1526 1527 -1528 1529 -1530 -1531 -1532 -1533 1534 -1535 -1536 -1537 1538 -1539 1540 1541 -1542 -1543 -1544 1545 -1546 -1547 -1548 1549 -1550 -1551 -1552 1553 1554 1555 1556 1557 -1558 -1559 1560 1561 1562 -1563 1564 -1565 1566 -1567 1568 1569 -1570 -1571 1572 -1573 -1574 1575 -1576 1577 -1578 1579 1580 1581 -1582 1583 1584 
0.49/0.50	v 0 
0.49/0.50	c Done (mycputime is 0 seconds)

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /var/tmp/evaluation-result-3500003-1307984140/watcher-3500003-1307984140 -o /var/tmp/evaluation-result-3500003-1307984140/solver-3500003-1307984140 -C 5000 -W 5100 -M 15500 sattime+ HOME/instance-3500003-1307984140.cnf 284419866 

running on 4 cores: 0,2,4,6

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): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.58 1.92 1.91 2/177 20703
/proc/meminfo: memFree=11577776/32951124 swapFree=67053020/67111528
[pid=20703] ppid=20701 vsize=880896 CPUtime=0 cores=0,2,4,6
/proc/20703/stat : 20703 (sattime+) R 20701 20703 18768 0 -1 4194304 258 0 0 0 0 0 0 0 23 0 1 0 910014441 902037504 201 33554432000 4194304 4228340 140736026325648 18446744073709551615 230808826565 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/20703/statm: 220224 201 102 9 0 217381 0

[startup+0.074211 s]
/proc/loadavg: 1.58 1.92 1.91 2/177 20703
/proc/meminfo: memFree=11577776/32951124 swapFree=67053020/67111528
[pid=20703] ppid=20701 vsize=882872 CPUtime=0.07 cores=0,2,4,6
/proc/20703/stat : 20703 (sattime+) R 20701 20703 18768 0 -1 4202496 859 0 0 0 7 0 0 0 23 0 1 0 910014441 904060928 801 33554432000 4194304 4228340 140736026325648 18446744073709551615 4206785 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/20703/statm: 220718 801 104 9 0 217875 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 882872

[startup+0.101192 s]
/proc/loadavg: 1.58 1.92 1.91 2/177 20703
/proc/meminfo: memFree=11577776/32951124 swapFree=67053020/67111528
[pid=20703] ppid=20701 vsize=882872 CPUtime=0.1 cores=0,2,4,6
/proc/20703/stat : 20703 (sattime+) R 20701 20703 18768 0 -1 4202496 860 0 0 0 10 0 0 0 23 0 1 0 910014441 904060928 802 33554432000 4194304 4228340 140736026325648 18446744073709551615 4206785 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/20703/statm: 220718 802 104 9 0 217875 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 882872

[startup+0.301165 s]
/proc/loadavg: 1.58 1.92 1.91 2/177 20703
/proc/meminfo: memFree=11577776/32951124 swapFree=67053020/67111528
[pid=20703] ppid=20701 vsize=882872 CPUtime=0.3 cores=0,2,4,6
/proc/20703/stat : 20703 (sattime+) R 20701 20703 18768 0 -1 4202496 861 0 0 0 30 0 0 0 25 0 1 0 910014441 904060928 803 33554432000 4194304 4228340 140736026325648 18446744073709551615 4206714 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/20703/statm: 220718 803 104 9 0 217875 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 882872

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

[startup+0.501132 s]
/proc/loadavg: 1.58 1.92 1.91 2/177 20703
/proc/meminfo: memFree=11577776/32951124 swapFree=67053020/67111528
[pid=20703] ppid=20701 vsize=883144 CPUtime=0.49 cores=0,2,4,6
/proc/20703/stat : 20703 (sattime+) R 20701 20703 18768 0 -1 4202496 1009 0 0 0 49 0 0 0 25 0 1 0 910014441 904339456 945 33554432000 4194304 4228340 140736026325648 18446744073709551615 230809165568 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/20703/statm: 220786 945 116 9 0 217943 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 883144

Child status: 10
Real time (s): 0.503148
CPU time (s): 0.501922
CPU user time (s): 0.500923
CPU system time (s): 0.000999
CPU usage (%): 99.7563
Max. virtual memory (cumulated for all children) (KiB): 883144

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.500923
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1012
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= 1

runsolver used 0.001999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node104 at 2011-06-13 18:55:40
IDJOB=3500003
IDBENCH=85914
IDSOLVER=1996
FILE ID=node104/3500003-1307984140
RUNJOBID= node104-1307979126-20451
PBS_JOBID= 13559724
Free space on /var/tmp= 2880 MiB

SOLVER NAME= sattime+ 2011-03-02
BENCH NAME= SAT05/crafted/sorge05/QG8/iso-ukn009.shuffled-as.sat05-3632.cnf
COMMAND LINE= sattime+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /var/tmp/evaluation-result-3500003-1307984140/watcher-3500003-1307984140 -o /var/tmp/evaluation-result-3500003-1307984140/solver-3500003-1307984140 -C 5000 -W 5100 -M 15500  sattime+ HOME/instance-3500003-1307984140.cnf 284419866

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 4502d767c38bfe3825eec510915dae05
RANDOM SEED=284419866

node104.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.855
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.71
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.855
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.855
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.67
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.855
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.80
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.855
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5293.18
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.855
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.855
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.855
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      11577600 kB
Buffers:        110464 kB
Cached:       20534064 kB
SwapCached:      11516 kB
Active:        5298348 kB
Inactive:     15373656 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      11577600 kB
SwapTotal:    67111528 kB
SwapFree:     67053020 kB
Dirty:           17056 kB
Writeback:           8 kB
AnonPages:       24388 kB
Mapped:           9012 kB
Slab:           637072 kB
PageTables:       4632 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  1093968 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /var/tmp at the end= 2872 MiB
End job on node104 at 2011-06-13 18:55:41