Trace number 1538534

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
SATzilla2009_R 2009-03-22SAT 0.233964 0.235673

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1075551507-050.cnf
MD5SUMe6c4aa9150c7e5a44a3dd14ff53afc9f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.233964
Satisfiable
(Un)Satisfiability was proved
Number of variables2000
Number of clauses8400
Sum of the clauses size25200
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 38400
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.19/0.23	c SATzilla is building models for class 1
0.19/0.23	c run presolver SATenstein for 30 seconds ... 
0.19/0.23	c Bin: Executing SATenstein
0.19/0.23	c spawning binary file with 30 seconds ...
0.19/0.23	c child exited successfully
0.19/0.23	c SATenstein returned code 10.
0.19/0.23	s SATISFIABLE
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0.19/0.23	v  -11 12 13 14 -15 16 17 18 19 20
0.19/0.23	v  21 -22 23 24 -25 -26 27 28 -29 30
0.19/0.23	v  -31 -32 33 34 35 36 -37 -38 39 -40
0.19/0.23	v  41 -42 -43 -44 45 -46 -47 48 -49 50
0.19/0.23	v  -51 52 -53 -54 55 -56 57 58 59 60
0.19/0.23	v  61 -62 -63 64 65 -66 67 68 -69 -70
0.19/0.23	v  71 72 73 -74 75 76 77 78 79 -80
0.19/0.23	v  -81 -82 83 84 -85 -86 -87 -88 -89 90
0.19/0.23	v  91 -92 93 94 -95 96 97 -98 -99 -100
0.19/0.23	v  101 -102 -103 104 -105 -106 107 -108 -109 110
0.19/0.23	v  -111 -112 113 -114 115 -116 117 118 119 120
0.19/0.23	v  121 122 123 124 -125 126 127 -128 -129 -130
0.19/0.23	v  131 -132 -133 -134 -135 -136 -137 138 -139 140
0.19/0.23	v  -141 -142 143 144 145 -146 147 -148 -149 -150
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0.19/0.23	v  161 162 163 -164 -165 166 -167 168 -169 170
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0.19/0.23	v  351 352 -353 354 355 356 357 358 -359 360
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0.19/0.23	v  941 942 -943 944 945 -946 947 948 -949 950
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0.19/0.23	v  1061 1062 -1063 1064 1065 -1066 1067 1068 -1069 1070
0.19/0.23	v  1071 1072 -1073 1074 1075 -1076 -1077 -1078 -1079 -1080
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0.19/0.23	v  -1091 -1092 1093 -1094 -1095 -1096 1097 -1098 -1099 1100
0.19/0.23	v  1101 1102 -1103 1104 -1105 -1106 -1107 1108 -1109 -1110
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0.19/0.23	v  -1151 1152 -1153 1154 -1155 -1156 1157 1158 -1159 1160
0.19/0.23	v  -1161 1162 1163 -1164 1165 -1166 1167 -1168 1169 1170
0.19/0.23	v  -1171 1172 -1173 1174 1175 1176 1177 1178 1179 -1180
0.19/0.23	v  -1181 1182 1183 1184 1185 1186 1187 -1188 -1189 -1190
0.19/0.23	v  -1191 1192 -1193 1194 1195 -1196 1197 1198 -1199 1200
0.19/0.23	v  1201 -1202 1203 -1204 1205 1206 1207 1208 -1209 1210
0.19/0.23	v  1211 -1212 -1213 -1214 -1215 -1216 -1217 1218 1219 1220
0.19/0.23	v  -1221 1222 -1223 1224 -1225 1226 1227 -1228 -1229 -1230
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0.19/0.23	v  -1241 -1242 1243 -1244 -1245 1246 -1247 1248 -1249 1250
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0.19/0.23	v  -1301 -1302 -1303 -1304 -1305 1306 -1307 -1308 1309 1310
0.19/0.23	v  1311 1312 -1313 -1314 1315 1316 -1317 1318 -1319 -1320
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0.19/0.23	v  1391 1392 -1393 -1394 -1395 -1396 -1397 1398 1399 -1400
0.19/0.23	v  1401 1402 -1403 1404 -1405 1406 -1407 -1408 -1409 1410
0.19/0.23	v  1411 1412 1413 1414 1415 -1416 -1417 -1418 1419 1420
0.19/0.23	v  1421 1422 -1423 -1424 -1425 1426 -1427 1428 -1429 -1430
0.19/0.23	v  -1431 1432 1433 1434 -1435 -1436 1437 1438 -1439 -1440
0.19/0.23	v  1441 -1442 -1443 1444 1445 1446 1447 1448 1449 -1450
0.19/0.23	v  1451 1452 1453 -1454 -1455 1456 1457 1458 1459 -1460
0.19/0.23	v  1461 1462 1463 1464 -1465 -1466 -1467 -1468 -1469 1470
0.19/0.23	v  -1471 -1472 1473 -1474 -1475 -1476 1477 -1478 -1479 1480
0.19/0.23	v  1481 1482 1483 -1484 -1485 -1486 1487 1488 -1489 -1490
0.19/0.23	v  1491 1492 1493 -1494 -1495 1496 -1497 -1498 1499 1500
0.19/0.23	v  1501 -1502 1503 -1504 1505 1506 1507 -1508 -1509 1510
0.19/0.23	v  -1511 -1512 1513 -1514 -1515 -1516 -1517 1518 -1519 1520
0.19/0.23	v  -1521 -1522 -1523 1524 -1525 -1526 1527 -1528 -1529 -1530
0.19/0.23	v  1531 1532 -1533 1534 1535 1536 -1537 -1538 -1539 1540
0.19/0.23	v  1541 1542 1543 1544 1545 -1546 1547 1548 1549 1550
0.19/0.23	v  -1551 -1552 -1553 1554 -1555 -1556 -1557 -1558 1559 -1560
0.19/0.23	v  -1561 1562 1563 1564 -1565 1566 -1567 -1568 1569 -1570
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0.19/0.23	v  -1581 -1582 -1583 -1584 1585 -1586 -1587 -1588 1589 1590
0.19/0.23	v  1591 1592 1593 1594 -1595 -1596 -1597 1598 1599 -1600
0.19/0.23	v  -1601 1602 -1603 1604 -1605 1606 1607 1608 1609 1610
0.19/0.23	v  -1611 1612 1613 1614 -1615 -1616 1617 -1618 -1619 1620
0.19/0.23	v  -1621 -1622 1623 -1624 -1625 1626 -1627 1628 -1629 -1630
0.19/0.23	v  -1631 -1632 -1633 1634 1635 -1636 -1637 -1638 1639 -1640
0.19/0.23	v  -1641 1642 1643 1644 1645 -1646 1647 1648 1649 1650
0.19/0.23	v  1651 1652 1653 1654 -1655 -1656 1657 -1658 1659 -1660
0.19/0.23	v  1661 1662 1663 1664 -1665 -1666 -1667 -1668 -1669 1670
0.19/0.23	v  1671 1672 1673 -1674 -1675 1676 1677 -1678 -1679 1680
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0.19/0.23	v  1701 -1702 -1703 -1704 1705 1706 1707 -1708 1709 -1710
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0.19/0.23	v  -1801 1802 1803 -1804 -1805 1806 1807 -1808 -1809 1810
0.19/0.23	v  1811 1812 1813 -1814 -1815 -1816 1817 1818 -1819 1820
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0.19/0.23	v  1861 -1862 1863 -1864 1865 -1866 1867 1868 -1869 1870
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0.19/0.23	v  -1881 -1882 -1883 1884 1885 -1886 1887 -1888 1889 -1890
0.19/0.23	v  -1891 -1892 1893 -1894 -1895 1896 -1897 -1898 1899 -1900
0.19/0.23	v  -1901 -1902 -1903 -1904 1905 -1906 1907 1908 1909 -1910
0.19/0.23	v  1911 -1912 -1913 1914 1915 1916 -1917 1918 -1919 1920
0.19/0.23	v  1921 1922 -1923 1924 -1925 1926 1927 1928 1929 1930
0.19/0.23	v  -1931 1932 -1933 1934 -1935 -1936 -1937 1938 -1939 -1940
0.19/0.23	v  -1941 -1942 -1943 1944 -1945 -1946 1947 -1948 -1949 1950
0.19/0.23	v  1951 1952 -1953 -1954 1955 -1956 -1957 -1958 -1959 1960
0.19/0.23	v  1961 -1962 1963 -1964 1965 1966 1967 -1968 1969 -1970
0.19/0.23	v  1971 -1972 1973 1974 1975 1976 1977 1978 -1979 1980
0.19/0.23	v  1981 1982 -1983 -1984 -1985 1986 1987 -1988 -1989 1990
0.19/0.23	v  1991 -1992 1993 -1994 1995 -1996 -1997 1998 1999 -2000
0.19/0.23	v  0
0.19/0.23	c SATZILLA_TIME=0.230000

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-1538534-1238434208/watcher-1538534-1238434208 -o /tmp/evaluation-result-1538534-1238434208/solver-1538534-1238434208 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2009_R HOME/instance-1538534-1238434208.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: 1.08 1.02 1.21 3/72 4382
/proc/meminfo: memFree=1033096/2055920 swapFree=4175896/4192956
[pid=4382] ppid=4380 vsize=2056 CPUtime=0
/proc/4382/stat : 4382 (SATzilla2009_R) R 4380 4382 3863 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1116082037 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135543087 0 0 4096 0 0 0 0 17 0 0 0
/proc/4382/statm: 514 112 96 399 0 111 0
[pid=4383] ppid=4382 vsize=6508 CPUtime=0
/proc/4383/stat : 4383 (SATenstein) R 4382 4382 3863 0 -1 4194304 284 0 0 0 0 0 0 0 18 0 1 0 1116082038 6664192 265 1992294400 134512640 134854740 4294955344 18446744073709551615 134782527 0 0 8392704 0 0 0 0 17 0 0 0
/proc/4383/statm: 1627 265 151 83 0 1188 0

[startup+0.0994209 s]
/proc/loadavg: 1.08 1.02 1.21 3/72 4382
/proc/meminfo: memFree=1033096/2055920 swapFree=4175896/4192956
[pid=4382] ppid=4380 vsize=2056 CPUtime=0
/proc/4382/stat : 4382 (SATzilla2009_R) S 4380 4382 3863 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1116082037 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/4382/statm: 514 112 96 399 0 111 0
[pid=4383] ppid=4382 vsize=6504 CPUtime=0.09
/proc/4383/stat : 4383 (SATenstein) R 4382 4382 3863 0 -1 4194304 566 0 0 0 9 0 0 0 19 0 1 0 1116082038 6660096 529 1992294400 134512640 134854740 4294955344 18446744073709551615 134530818 0 0 8392704 0 0 0 0 17 0 0 0
/proc/4383/statm: 1626 529 174 83 0 1187 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8560

[startup+0.101419 s]
/proc/loadavg: 1.08 1.02 1.21 3/72 4382
/proc/meminfo: memFree=1033096/2055920 swapFree=4175896/4192956
[pid=4382] ppid=4380 vsize=2056 CPUtime=0
/proc/4382/stat : 4382 (SATzilla2009_R) S 4380 4382 3863 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1116082037 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/4382/statm: 514 112 96 399 0 111 0
[pid=4383] ppid=4382 vsize=6504 CPUtime=0.09
/proc/4383/stat : 4383 (SATenstein) R 4382 4382 3863 0 -1 4194304 566 0 0 0 9 0 0 0 19 0 1 0 1116082038 6660096 529 1992294400 134512640 134854740 4294955344 18446744073709551615 134760127 0 0 8392704 0 0 0 0 17 0 0 0
/proc/4383/statm: 1626 529 174 83 0 1187 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8560

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

[startup+0.201439 s]
/proc/loadavg: 1.08 1.02 1.21 3/72 4382
/proc/meminfo: memFree=1033096/2055920 swapFree=4175896/4192956
[pid=4382] ppid=4380 vsize=2056 CPUtime=0
/proc/4382/stat : 4382 (SATzilla2009_R) S 4380 4382 3863 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1116082037 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/4382/statm: 514 112 96 399 0 111 0
[pid=4383] ppid=4382 vsize=6504 CPUtime=0.19
/proc/4383/stat : 4383 (SATenstein) R 4382 4382 3863 0 -1 4194304 566 0 0 0 19 0 0 0 20 0 1 0 1116082038 6660096 529 1992294400 134512640 134854740 4294955344 18446744073709551615 134760607 0 0 8392704 0 0 0 0 17 0 0 0
/proc/4383/statm: 1626 529 174 83 0 1187 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8560

Child status: 10
Real time (s): 0.235673
CPU time (s): 0.233964
CPU user time (s): 0.229965
CPU system time (s): 0.003999
CPU usage (%): 99.2748
Max. virtual memory (cumulated for all children) (KiB): 8560

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.229965
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 736
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= 10
involuntary context switches= 1

runsolver used 0.002999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node66 at 2009-03-30 19:30:08
IDJOB=1538534
IDBENCH=70291
IDSOLVER=526
FILE ID=node66/1538534-1238434208
PBS_JOBID= 9061547
Free space on /tmp= 66544 MiB

SOLVER NAME= SATzilla2009_R 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1075551507-050.cnf
COMMAND LINE= HOME/SATzilla2009_R BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1538534-1238434208/watcher-1538534-1238434208 -o /tmp/evaluation-result-1538534-1238434208/solver-1538534-1238434208 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2009_R HOME/instance-1538534-1238434208.cnf

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

MD5SUM BENCH= e6c4aa9150c7e5a44a3dd14ff53afc9f
RANDOM SEED=647111892

node66.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		: 3000.286
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		: 3000.286
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:       1033576 kB
Buffers:         94896 kB
Cached:         832844 kB
SwapCached:       8824 kB
Active:         337828 kB
Inactive:       600900 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1033576 kB
SwapTotal:     4192956 kB
SwapFree:      4175896 kB
Dirty:           31612 kB
Writeback:           0 kB
Mapped:          16632 kB
Slab:            68840 kB
Committed_AS:  3128064 kB
PageTables:       1976 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= 66512 MiB
End job on node66 at 2009-03-30 19:30:09