Trace number 1736497

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
picosat 913SAT 0.024995 0.0250319

General information on the benchmark

NameCRAFTED/parity-games/
instance_n4_i4_pp.cnf
MD5SUMd35b54498d8d9672e60bf7e3ce33352b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.022995
Satisfiable
(Un)Satisfiability was proved
Number of variables1572
Number of clauses9007
Sum of the clauses size28496
Maximum clause length12
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22356
Number of clauses of size 33596
Number of clauses of size 42300
Number of clauses of size 5752
Number of clauses of size over 53

Solver Data 

0.00/0.00	c PicoSAT SAT Solver Version 913
0.00/0.00	c Copyright (c) 2006 - 2009 Armin Biere JKU Linz
0.00/0.00	c gcc -Wall -Wextra -m32 -static -DNDEBUG -O3 -fomit-frame-pointer -finline-limit=1000000
0.00/0.00	c
0.00/0.00	c parsing HOME/instance-1736497-1240811873.cnf
0.00/0.00	c parsed header 'p cnf 1572 9007'
0.00/0.01	c initialized 1572 variables
0.00/0.01	c found 9007 non trivial clauses
0.00/0.01	c
0.00/0.01	c random number generator seed 0
0.00/0.01	c 
0.00/0.01	c  seconds     variables   original    learned     agility
0.00/0.01	c         level        used      conflicts    limit          MB
0.00/0.01	c 
0.00/0.01	c s   0.0   0.0  1504   9.2  5979    48     0     0   0.0   0.3 
0.00/0.02	c 
0.00/0.02	c initial reduction limit 3325 clauses
0.00/0.02	c 
0.00/0.02	c +   0.0  19.8  1504  46.9  5979   148    97  3657  15.3   0.3 
0.00/0.02	c R   0.0  19.8  1504  46.9  5979   148    97  3657  15.3   0.3 
0.00/0.02	c 1   0.0  21.0  1504  49.4  5979   167   116  3657  16.8   0.3 
0.00/0.02	c 
0.00/0.02	c  seconds     variables   original    learned     agility
0.00/0.02	c         level        used      conflicts    limit          MB
0.00/0.02	c 
0.00/0.02	s SATISFIABLE
0.00/0.02	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
0.00/0.02	v -26 27 -28 29 -30 -31 -32 33 34 -35 -36 -37 -38 -39 40 41 -42 43 -44 -45 -46
0.00/0.02	v -47 48 -49 -50 -51 -52 53 54 -55 -56 -57 -58 -59 -60 -61 -62 -63 -64 -65 -66
0.00/0.02	v -67 68 69 -70 -71 -72 -73 74 -75 -76 -77 78 79 -80 -81 -82 -83 84 -85 -86 -87
0.00/0.02	v -88 89 90 -91 -92 93 -94 -95 -96 97 -98 -99 -100 -101 -102 103 -104 -105 -106
0.00/0.02	v -107 -108 109 -110 111 112 113 -114 -115 -116 -117 -118 -119 -120 -121 122
0.00/0.02	v 123 -124 -125 -126 127 -128 -129 -130 131 132 133 -134 135 136 -137 -138 -139
0.00/0.02	v -140 -141 -142 143 144 145 -146 147 148 -149 -150 151 -152 -153 154 -155 -156
0.00/0.02	v 157 -158 159 160 -161 -162 163 -164 -165 -166 -167 -168 169 170 171 -172 -173
0.00/0.02	v -174 -175 -176 -177 -178 -179 -180 181 -182 -183 184 185 -186 187 -188 189
0.00/0.02	v -190 -191 -192 -193 194 -195 -196 197 -198 199 -200 -201 -202 -203 204 205
0.00/0.02	v 206 -207 -208 -209 -210 -211 212 -213 -214 215 -216 -217 -218 -219 -220 -221
0.00/0.02	v -222 -223 224 -225 226 227 -228 -229 230 231 -232 233 -234 -235 -236 237 -238
0.00/0.02	v -239 -240 -241 -242 -243 -244 -245 -246 -247 -248 -249 -250 251 -252 -253
0.00/0.02	v -254 255 -256 257 -258 259 -260 261 -262 -263 -264 265 -266 267 268 -269 -270
0.00/0.02	v 271 -272 -273 -274 275 -276 -277 -278 279 -280 281 -282 283 284 -285 286 287
0.00/0.02	v -288 289 -290 -291 292 293 -294 295 -296 -297 298 299 -300 -301 302 -303 -304
0.00/0.02	v 305 -306 307 -308 -309 -310 311 -312 313 -314 -315 316 317 -318 -319 -320 321
0.00/0.02	v -322 -323 324 325 -326 327 328 -329 330 -331 -332 -333 -334 335 336 337 338
0.00/0.02	v 339 340 -341 -342 -343 344 345 346 347 348 349 350 351 352 353 354 355 356
0.00/0.02	v 357 358 359 -360 -361 -362 -363 -364 365 366 367 -368 -369 -370 -371 372 373
0.00/0.02	v 374 375 -376 -377 378 379 -380 381 -382 383 384 385 -386 -387 -388 -389 -390
0.00/0.02	v -391 392 393 394 -395 396 397 398 399 400 401 -402 403 404 -405 406 407 408
0.00/0.02	v 409 410 411 412 -413 414 -415 -416 -417 418 419 420 421 422 423 424 425 426
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0.00/0.02	v 495 -496 -497 498 -499 -500 501 502 -503 504 -505 506 507 508 -509 510 -511
0.00/0.02	v 512 513 -514 -515 516 517 518 519 520 -521 522 -523 -524 525 -526 -527 -528
0.00/0.02	v -529 -530 -531 -532 533 -534 -535 536 537 -538 -539 540 -541 -542 -543 544
0.00/0.02	v -545 -546 547 548 549 550 551 552 -553 -554 555 -556 -557 558 559 -560 -561
0.00/0.02	v -562 -563 -564 -565 566 -567 568 -569 -570 571 -572 -573 574 575 576 577 -578
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0.00/0.02	v -630 -631 632 -633 -634 635 -636 637 638 639 -640 -641 642 -643 644 645 646
0.00/0.02	v -647 648 -649 -650 651 652 653 654 655 656 657 658 659 -660 661 662 -663 -664
0.00/0.02	v 665 -666 -667 -668 669 670 -671 672 673 674 -675 -676 -677 -678 -679 -680
0.00/0.02	v -681 -682 683 684 685 -686 687 -688 689 -690 691 692 693 694 695 696 -697 698
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0.00/0.02	v -716 -717 718 719 720 -721 -722 -723 724 -725 -726 -727 -728 -729 730 731 732
0.00/0.02	v 733 734 735 -736 737 738 739 740 741 742 -743 744 745 746 747 748 -749 750
0.00/0.02	v -751 752 753 -754 -755 -756 -757 -758 -759 760 -761 762 763 764 765 -766 767
0.00/0.02	v -768 769 770 771 -772 773 774 775 -776 777 778 -779 780 -781 782 783 784 785
0.00/0.02	v -786 787 -788 -789 790 791 -792 -793 794 795 796 797 798 799 -800 -801 802
0.00/0.02	v -803 -804 -805 806 807 808 809 810 -811 812 -813 -814 815 -816 817 -818 819
0.00/0.02	v -820 -821 822 -823 824 -825 -826 -827 828 829 830 -831 832 833 834 835 836
0.00/0.02	v -837 -838 839 840 -841 842 -843 844 845 846 847 848 -849 850 -851 -852 853
0.00/0.02	v -854 -855 856 -857 -858 859 -860 -861 -862 863 864 865 -866 -867 868 869 870
0.00/0.02	v -871 872 -873 -874 875 -876 -877 -878 -879 -880 881 -882 -883 -884 -885 -886
0.00/0.02	v 887 888 889 -890 -891 892 893 894 895 -896 897 -898 -899 -900 -901 -902 -903
0.00/0.02	v -904 -905 -906 -907 -908 -909 -910 -911 -912 -913 914 915 -916 917 918 919
0.00/0.02	v 920 -921 -922 923 -924 -925 926 927 928 -929 -930 -931 -932 -933 -934 -935
0.00/0.02	v -936 -937 -938 -939 -940 -941 -942 -943 -944 -945 -946 947 -948 -949 -950 951
0.00/0.02	v -952 -953 -954 -955 956 -957 958 959 -960 -961 962 -963 -964 -965 -966 -967
0.00/0.02	v 968 -969 -970 -971 -972 -973 -974 -975 -976 977 -978 -979 -980 -981 -982 -983
0.00/0.02	v -984 -985 -986 -987 -988 -989 990 991 -992 993 -994 -995 -996 -997 -998 -999
0.00/0.02	v -1000 -1001 -1002 -1003 -1004 1005 -1006 1007 1008 -1009 1010 -1011 1012
0.00/0.02	v -1013 -1014 1015 -1016 -1017 1018 -1019 -1020 1021 -1022 -1023 1024 -1025
0.00/0.02	v -1026 -1027 -1028 1029 1030 1031 -1032 1033 -1034 -1035 -1036 -1037 -1038
0.00/0.02	v 1039 -1040 1041 1042 1043 -1044 -1045 -1046 -1047 -1048 -1049 -1050 1051 1052
0.00/0.02	v -1053 1054 -1055 1056 -1057 -1058 1059 -1060 -1061 -1062 -1063 -1064 1065
0.00/0.02	v 1066 1067 -1068 1069 1070 -1071 1072 -1073 1074 1075 -1076 -1077 1078 1079
0.00/0.02	v 1080 -1081 1082 -1083 -1084 -1085 -1086 -1087 -1088 -1089 -1090 1091 1092
0.00/0.02	v 1093 -1094 1095 1096 1097 1098 -1099 -1100 1101 1102 -1103 1104 -1105 -1106
0.00/0.02	v -1107 -1108 -1109 -1110 -1111 -1112 -1113 -1114 -1115 -1116 -1117 -1118 -1119
0.00/0.02	v -1120 -1121 -1122 1123 -1124 1125 1126 1127 1128 -1129 -1130 1131 -1132 -1133
0.00/0.02	v -1134 -1135 -1136 -1137 -1138 -1139 -1140 -1141 -1142 -1143 1144 -1145 -1146
0.00/0.02	v -1147 -1148 -1149 -1150 -1151 1152 -1153 -1154 1155 -1156 1157 1158 1159 1160
0.00/0.02	v 1161 -1162 -1163 1164 -1165 -1166 -1167 -1168 -1169 1170 -1171 -1172 1173
0.00/0.02	v 1174 -1175 1176 -1177 -1178 -1179 -1180 -1181 -1182 -1183 -1184 -1185 1186
0.00/0.02	v 1187 -1188 -1189 -1190 -1191 1192 -1193 1194 1195 -1196 -1197 1198 1199 -1200
0.00/0.02	v 1201 -1202 1203 1204 1205 1206 -1207 -1208 1209 -1210 1211 -1212 -1213 -1214
0.00/0.02	v -1215 -1216 -1217 -1218 -1219 -1220 -1221 -1222 1223 -1224 -1225 1226 1227
0.00/0.02	v -1228 1229 1230 1231 1232 1233 -1234 1235 1236 1237 1238 -1239 -1240 -1241
0.00/0.02	v -1242 -1243 -1244 1245 1246 -1247 -1248 -1249 -1250 -1251 -1252 -1253 -1254
0.00/0.02	v -1255 1256 -1257 1258 1259 1260 1261 1262 -1263 -1264 -1265 -1266 -1267 -1268
0.00/0.02	v 1269 1270 1271 -1272 1273 1274 1275 -1276 1277 -1278 1279 -1280 -1281 -1282
0.00/0.02	v -1283 -1284 1285 1286 -1287 -1288 1289 1290 1291 1292 1293 1294 1295 -1296
0.00/0.02	v -1297 -1298 -1299 -1300 -1301 -1302 -1303 1304 -1305 -1306 -1307 -1308 -1309
0.00/0.02	v -1310 1311 -1312 -1313 -1314 -1315 -1316 -1317 -1318 -1319 -1320 -1321 -1322
0.00/0.02	v -1323 -1324 -1325 -1326 -1327 -1328 -1329 -1330 -1331 -1332 -1333 1334 -1335
0.00/0.02	v -1336 -1337 -1338 -1339 -1340 -1341 -1342 -1343 -1344 -1345 -1346 -1347 1348
0.00/0.02	v -1349 1350 1351 -1352 -1353 1354 -1355 -1356 1357 -1358 -1359 -1360 -1361
0.00/0.02	v -1362 1363 -1364 -1365 1366 -1367 -1368 -1369 -1370 1371 -1372 -1373 -1374
0.00/0.02	v -1375 -1376 -1377 -1378 1379 -1380 1381 1382 -1383 -1384 1385 1386 1387 1388
0.00/0.02	v -1389 -1390 -1391 -1392 1393 1394 1395 1396 1397 1398 1399 -1400 -1401 -1402
0.00/0.02	v 1403 -1404 -1405 -1406 -1407 -1408 -1409 -1410 -1411 -1412 -1413 -1414 -1415
0.00/0.02	v -1416 -1417 -1418 -1419 -1420 -1421 -1422 -1423 -1424 -1425 -1426 -1427 -1428
0.00/0.02	v -1429 -1430 -1431 -1432 -1433 -1434 -1435 1436 1437 -1438 -1439 1440 -1441
0.00/0.02	v -1442 -1443 -1444 -1445 1446 1447 -1448 1449 -1450 1451 1452 1453 1454 1455
0.00/0.02	v -1456 1457 -1458 1459 -1460 1461 1462 1463 1464 1465 -1466 -1467 1468 1469
0.00/0.02	v -1470 -1471 -1472 -1473 -1474 -1475 1476 -1477 -1478 1479 -1480 1481 1482
0.00/0.02	v 1483 1484 1485 -1486 1487 -1488 1489 -1490 1491 1492 1493 1494 1495 -1496
0.00/0.02	v -1497 1498 1499 -1500 -1501 -1502 -1503 -1504 -1505 1506 -1507 -1508 1509
0.00/0.02	v -1510 1511 1512 1513 1514 1515 -1516 -1517 -1518 1519 -1520 1521 1522 1523
0.00/0.02	v 1524 1525 -1526 -1527 -1528 1529 -1530 -1531 -1532 -1533 -1534 -1535 1536
0.00/0.02	v -1537 -1538 1539 -1540 -1541 -1542 -1543 -1544 -1545 -1546 -1547 1548 1549
0.00/0.02	v -1550 -1551 -1552 -1553 -1554 -1555 -1556 -1557 1558 1559 -1560 -1561 -1562
0.00/0.02	v -1563 -1564 -1565 -1566 -1567 1568 -1569 -1570 -1571 -1572 0
0.00/0.02	c
0.00/0.02	c 0 iterations
0.00/0.02	c 1 restarts
0.00/0.02	c 48 failed literals
0.00/0.02	c 167 conflicts
0.00/0.02	c 408 decisions
0.00/0.02	c 68 fixed variables
0.00/0.02	c 1137 learned literals
0.00/0.02	c 12.5% deleted literals
0.00/0.02	c 51264 propagations
0.00/0.02	c 49.4% variables used
0.00/0.02	c 0.0 seconds in library
0.00/0.02	c 2.2 megaprops/second
0.00/0.02	c 1 simplifications
0.00/0.02	c 0 reductions
0.00/0.02	c 0.0 MB recycled
0.00/0.02	c 0.3 MB maximally allocated
0.00/0.02	c 0.0 seconds total run time

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1736497-1240811873/watcher-1736497-1240811873 -o /tmp/evaluation-result-1736497-1240811873/solver-1736497-1240811873 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/picosat HOME/instance-1736497-1240811873.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: 1.99 1.92 1.57 3/64 27836
/proc/meminfo: memFree=1689312/2055920 swapFree=4181732/4192956
[pid=27836] ppid=27834 vsize=1044 CPUtime=0
/proc/27836/stat : 27836 (picosat) R 27834 27836 27521 0 -1 4194304 146 0 0 0 0 0 0 0 18 0 1 0 109214747 1069056 131 1992294400 134512640 135137933 4294956224 18446744073709551615 134689438 0 0 4096 0 0 0 0 17 1 0 0
/proc/27836/statm: 261 132 56 152 0 107 0

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

Child status: 10
Real time (s): 0.0250319
CPU time (s): 0.024995
CPU user time (s): 0.023996
CPU system time (s): 0.000999
CPU usage (%): 99.8527
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.023996
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= 198
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= 4
involuntary context switches= 0

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node52 at 2009-04-27 07:57:53
IDJOB=1736497
IDBENCH=71627
IDSOLVER=506
FILE ID=node52/1736497-1240811873
PBS_JOBID= 9187416
Free space on /tmp= 66232 MiB

SOLVER NAME= picosat 913
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n4_i4_pp.cnf
COMMAND LINE= HOME/picosat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1736497-1240811873/watcher-1736497-1240811873 -o /tmp/evaluation-result-1736497-1240811873/solver-1736497-1240811873 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/picosat HOME/instance-1736497-1240811873.cnf

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

MD5SUM BENCH= d35b54498d8d9672e60bf7e3ce33352b
RANDOM SEED=775156053

node52.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		: 3000.214
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		: 3000.214
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:       1689792 kB
Buffers:         43248 kB
Cached:         243420 kB
SwapCached:       5120 kB
Active:         113020 kB
Inactive:       181636 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1689792 kB
SwapTotal:     4192956 kB
SwapFree:      4181732 kB
Dirty:             856 kB
Writeback:           0 kB
Mapped:          14016 kB
Slab:            57408 kB
Committed_AS:   486176 kB
PageTables:       1476 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= 66232 MiB
End job on node52 at 2009-04-27 07:57:53