Trace number 311064

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
sapsrt 2007-02-08SAT 0.32295 0.32509

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)

0.30/0.32	c 
0.30/0.32	c UBCSAT version 1.1.0rr
0.30/0.32	c 
0.30/0.32	c http://www.satlib.org/ubcsat
0.30/0.32	c 
0.30/0.32	c ubcsat -h for help
0.30/0.32	c 
0.30/0.32	c  -runs 1 
0.30/0.32	c  -cutoff 4294967295 
0.30/0.32	c  -timeout 0.000000 
0.30/0.32	c  -gtimeout 0.000000 
0.30/0.32	c  -noimprove 0 
0.30/0.32	c  -target 0 
0.30/0.32	c  -wtarget 0.000000 
0.30/0.32	c  -seed 989199928 
0.30/0.32	c  -solve 0 
0.30/0.32	c  -find,-numsol 0 
0.30/0.32	c  -findunique 0 
0.30/0.32	c  -srestart 0 
0.30/0.32	c  -prestart 0.000000 
0.30/0.32	c  -drestart 0 
0.30/0.32	c 
0.30/0.32	c  -alpha 1.126000 
0.30/0.32	c  -rho 0.666000 
0.30/0.32	c  -ps 0.033000 
0.30/0.32	c  -wp 0.060000 
0.30/0.32	c  -sapsthresh -0.100000 
0.30/0.32	c 
0.30/0.32	s SATISFIABLE
0.30/0.32	v  -1 -2 -3 4 -5 -6 -7 -8 9 10
0.30/0.32	v  -11 -12 -13 -14 -15 -16 -17 18 19 20
0.30/0.32	v  21 22 -23 24 25 26 27 -28 29 30
0.30/0.32	v  31 -32 -33 -34 35 36 -37 38 -39 40
0.30/0.32	v  -41 42 43 44 -45 46 -47 48 49 -50
0.30/0.32	v  51 52 53 -54 -55 56 57 -58 59 60
0.30/0.32	v  -61 -62 -63 64 -65 66 -67 -68 69 -70
0.30/0.32	v  -71 -72 73 -74 -75 -76 -77 -78 79 80
0.30/0.32	v  -81 -82 -83 -84 -85 86 -87 88 89 90
0.30/0.32	v  91 -92 93 94 -95 96 97 -98 -99 100
0.30/0.32	v  101 102 103 104 -105 106 -107 108 109 110
0.30/0.32	v  111 -112 -113 114 -115 116 117 118 -119 120
0.30/0.32	v  121 122 123 -124 125 -126 127 -128 -129 -130
0.30/0.32	v  -131 132 133 134 -135 -136 -137 138 -139 -140
0.30/0.32	v  -141 -142 143 -144 -145 146 -147 -148 149 150
0.30/0.32	v  151 152 153 -154 -155 -156 157 -158 -159 -160
0.30/0.32	v  -161 -162 163 -164 -165 166 -167 -168 -169 -170
0.30/0.32	v  -171 172 -173 174 -175 -176 -177 178 -179 180
0.30/0.32	v  181 -182 183 184 -185 186 187 -188 -189 -190
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0.30/0.32	v  -201 -202 -203 204 205 -206 207 -208 209 210
0.30/0.32	v  211 212 -213 -214 215 216 -217 218 219 -220
0.30/0.32	v  221 -222 223 -224 225 226 -227 228 229 230
0.30/0.32	v  -231 232 -233 -234 235 236 -237 238 -239 -240
0.30/0.32	v  241 242 243 -244 -245 -246 -247 248 -249 250
0.30/0.32	v  -251 -252 -253 -254 -255 -256 -257 -258 259 260
0.30/0.32	v  -261 -262 263 -264 -265 -266 267 -268 -269 270
0.30/0.32	v  -271 272 -273 -274 275 -276 277 278 -279 -280
0.30/0.32	v  -281 -282 283 284 285 -286 287 288 289 -290
0.30/0.32	v  -291 -292 -293 -294 -295 296 -297 -298 -299 300
0.30/0.32	v  -301 302 303 304 -305 306 -307 308 309 310
0.30/0.32	v  -311 -312 313 -314 315 -316 -317 -318 -319 320
0.30/0.32	v  321 -322 -323 324 -325 -326 327 -328 329 -330
0.30/0.32	v  331 332 333 -334 335 336 337 338 -339 340
0.30/0.32	v  -341 -342 -343 344 345 346 347 -348 -349 -350
0.30/0.32	v  -351 -352 -353 -354 -355 -356 357 -358 -359 -360
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0.30/0.32	v  421 422 423 -424 425 -426 -427 428 429 -430
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0.30/0.32	v  471 472 473 -474 475 476 477 -478 479 480
0.30/0.32	v  481 -482 483 -484 485 -486 -487 488 489 -490
0.30/0.32	v  -491 492 -493 494 -495 -496 -497 -498 499 500
0.30/0.32	v  -501 502 -503 504 -505 506 -507 -508 -509 -510
0.30/0.32	v  511 512 513 514 -515 516 -517 -518 519 -520
0.30/0.32	v  521 -522 523 -524 525 526 527 -528 -529 530
0.30/0.32	v  -531 -532 -533 534 535 536 -537 -538 -539 540
0.30/0.32	v  -541 542 -543 -544 -545 546 547 548 -549 -550
0.30/0.32	v  -551 -552 -553 554 555 556 -557 558 559 560
0.30/0.32	v  561 562 -563 564 565 566 -567 568 -569 570
0.30/0.32	v  -571 -572 -573 574 -575 576 577 578 -579 -580
0.30/0.32	v  581 -582 -583 584 -585 -586 -587 588 -589 -590
0.30/0.32	v  591 -592 -593 -594 595 -596 -597 -598 599 600
0.30/0.32	v  601 602 -603 -604 605 -606 607 -608 -609 -610
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0.30/0.32	v  621 622 623 -624 625 -626 627 628 -629 -630
0.30/0.32	v  -631 632 633 -634 635 -636 -637 -638 -639 -640
0.30/0.32	v  641 -642 -643 644 -645 -646 -647 648 649 -650
0.30/0.32	v  -651 652 -653 654 -655 656 657 658 -659 -660
0.30/0.32	v  -661 -662 663 -664 -665 -666 -667 -668 669 -670
0.30/0.32	v  671 -672 -673 -674 675 -676 677 -678 -679 -680
0.30/0.32	v  681 682 683 684 685 686 -687 -688 -689 690
0.30/0.32	v  -691 692 -693 -694 695 696 -697 698 699 -700
0.30/0.32	v  701 702 703 -704 705 -706 707 708 709 710
0.30/0.32	v  711 712 713 714 715 716 -717 -718 -719 720
0.30/0.32	v  -721 722 723 724 725 -726 -727 -728 729 -730
0.30/0.32	v  -731 732 -733 734 735 -736 737 -738 739 -740
0.30/0.32	v  -741 -742 -743 744 -745 -746 -747 748 749 750
0.30/0.32	v  751 -752 -753 -754 -755 -756 757 -758 -759 -760
0.30/0.32	v  761 762 -763 764 765 766 -767 -768 -769 -770
0.30/0.32	v  -771 -772 -773 -774 775 776 -777 -778 779 780
0.30/0.32	v  781 -782 -783 784 785 -786 -787 788 -789 790
0.30/0.32	v  791 -792 793 -794 -795 796 -797 -798 -799 800
0.30/0.32	v  801 802 803 -804 805 806 -807 808 -809 810
0.30/0.32	v  -811 812 813 814 815 -816 817 818 819 -820
0.30/0.32	v  -821 822 -823 -824 825 -826 -827 828 829 830
0.30/0.32	v  831 832 -833 834 835 836 837 838 839 840
0.30/0.32	v  841 -842 -843 844 845 -846 847 -848 -849 -850
0.30/0.32	v  -851 -852 853 -854 855 -856 -857 858 859 860
0.30/0.32	v  -861 862 863 864 865 -866 867 -868 869 -870
0.30/0.32	v  -871 -872 873 -874 -875 -876 877 -878 879 880
0.30/0.32	v  881 882 -883 -884 -885 -886 -887 888 889 -890
0.30/0.32	v  891 892 -893 -894 895 -896 897 898 899 -900
0.30/0.32	v  -901 902 -903 904 905 906 907 -908 909 910
0.30/0.32	v  911 912 -913 -914 915 916 -917 -918 919 920
0.30/0.32	v  921 922 -923 924 925 -926 927 928 929 -930
0.30/0.32	v  -931 932 933 -934 935 936 -937 938 -939 940
0.30/0.32	v  -941 942 943 944 945 -946 947 -948 -949 -950
0.30/0.32	v  -951 952 953 -954 955 956 957 -958 -959 960
0.30/0.32	v  961 962 -963 -964 965 966 -967 968 -969 -970
0.30/0.32	v  971 -972 973 -974 975 -976 977 978 979 -980
0.30/0.32	v  -981 -982 -983 984 -985 986 987 988 989 -990
0.30/0.32	v  991 -992 -993 994 995 996 -997 998 -999 1000
0.30/0.32	v  1001 -1002 -1003 1004 1005 1006 -1007 1008 1009 1010
0.30/0.32	v  1011 1012 1013 1014 1015 -1016 -1017 1018 1019 -1020
0.30/0.32	v  1021 -1022 -1023 1024 -1025 1026 1027 1028 -1029 1030
0.30/0.32	v  1031 1032 1033 1034 1035 -1036 1037 1038 -1039 -1040
0.30/0.32	v  -1041 1042 -1043 1044 -1045 -1046 1047 1048 1049 -1050
0.30/0.32	v  1051 1052 -1053 1054 1055 1056 -1057 1058 1059 1060
0.30/0.32	v  -1061 -1062 1063 -1064 1065 1066 -1067 -1068 1069 1070
0.30/0.32	v  -1071 1072 1073 -1074 -1075 -1076 -1077 -1078 1079 1080
0.30/0.32	v  1081 1082 1083 -1084 -1085 1086 1087 -1088 1089 -1090
0.30/0.32	v  -1091 1092 1093 -1094 -1095 1096 1097 1098 -1099 1100
0.30/0.32	v  -1101 -1102 1103 -1104 1105 -1106 1107 1108 1109 -1110
0.30/0.32	v  -1111 -1112 1113 -1114 1115 -1116 -1117 -1118 -1119 -1120
0.30/0.32	v  1121 -1122 -1123 1124 1125 1126 -1127 1128 1129 -1130
0.30/0.32	v  1131 -1132 1133 1134 -1135 1136 -1137 1138 1139 1140
0.30/0.32	v  1141 1142 1143 1144 -1145 1146 -1147 -1148 1149 1150
0.30/0.32	v  1151 -1152 -1153 -1154 1155 1156 1157 1158 -1159 -1160
0.30/0.32	v  -1161 1162 -1163 -1164 1165 -1166 -1167 -1168 1169 -1170
0.30/0.32	v  1171 -1172 1173 1174 1175 -1176 -1177 1178 1179 1180
0.30/0.32	v  -1181 1182 -1183 1184 1185 1186 -1187 1188 -1189 1190
0.30/0.32	v  -1191 -1192 -1193 1194 1195 -1196 -1197 -1198 -1199 -1200
0.30/0.32	v  1201 1202 -1203 1204 1205 -1206 -1207 -1208 1209 -1210
0.30/0.32	v  1211 1212 -1213 -1214 1215 -1216 -1217 1218 -1219 1220
0.30/0.32	v  1221 -1222 -1223 1224 -1225 -1226 1227 -1228 -1229 1230
0.30/0.32	v  -1231 1232 1233 1234 1235 1236 1237 -1238 -1239 1240
0.30/0.32	v  -1241 1242 1243 1244 1245 1246 1247 -1248 1249 1250
0.30/0.32	v  -1251 -1252 1253 -1254 1255 1256 -1257 -1258 -1259 -1260
0.30/0.32	v  -1261 -1262 -1263 1264 -1265 1266 -1267 -1268 1269 1270
0.30/0.32	v  -1271 -1272 -1273 -1274 -1275 1276 -1277 -1278 1279 1280
0.30/0.32	v  1281 -1282 -1283 1284 1285 -1286 -1287 -1288 1289 -1290
0.30/0.32	v  -1291 1292 -1293 1294 -1295 0

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-311064-1172564387 -o ROOT/results/node3/solver-311064-1172564387 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311064-1172564387/sapsrt /tmp/evaluation/311064-1172564387/instance-311064-1172564387.cnf 989199928 

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: 1.47 1.74 1.44 3/77 28969
/proc/meminfo: memFree=813536/2055920 swapFree=4192812/4192956
[pid=28969] ppid=28967 vsize=5160 CPUtime=0
/proc/28969/stat : 28969 (sapsrt) R 28967 28969 27123 0 -1 4194304 158 0 0 0 0 0 0 0 18 0 1 0 276393628 5283840 143 18446744073709551615 134512640 135167692 4294956688 18446744073709551615 134915281 0 0 4096 0 0 0 0 17 1 0 0
/proc/28969/statm: 1290 143 78 159 0 1129 0

[startup+0.106613 s]
/proc/loadavg: 1.47 1.74 1.44 3/77 28969
/proc/meminfo: memFree=813536/2055920 swapFree=4192812/4192956
[pid=28969] ppid=28967 vsize=5156 CPUtime=0.1
/proc/28969/stat : 28969 (sapsrt) R 28967 28969 27123 0 -1 4194304 219 0 0 0 10 0 0 0 18 0 1 0 276393628 5279744 203 18446744073709551615 134512640 135167692 4294956688 18446744073709551615 134549997 0 0 4096 0 0 0 0 17 1 0 0
/proc/28969/statm: 1289 203 83 159 0 1128 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 5156

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

[startup+0.208611 s]
/proc/loadavg: 1.47 1.74 1.44 3/77 28969
/proc/meminfo: memFree=813536/2055920 swapFree=4192812/4192956
[pid=28969] ppid=28967 vsize=5156 CPUtime=0.2
/proc/28969/stat : 28969 (sapsrt) R 28967 28969 27123 0 -1 4194304 219 0 0 0 20 0 0 0 19 0 1 0 276393628 5279744 203 18446744073709551615 134512640 135167692 4294956688 18446744073709551615 134715059 0 0 4096 0 0 0 0 17 1 0 0
/proc/28969/statm: 1289 203 83 159 0 1128 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 5156

[startup+0.31062 s]
/proc/loadavg: 1.47 1.74 1.44 3/77 28969
/proc/meminfo: memFree=813536/2055920 swapFree=4192812/4192956
[pid=28969] ppid=28967 vsize=5156 CPUtime=0.3
/proc/28969/stat : 28969 (sapsrt) R 28967 28969 27123 0 -1 4194304 219 0 0 0 30 0 0 0 19 0 1 0 276393628 5279744 203 18446744073709551615 134512640 135167692 4294956688 18446744073709551615 134715165 0 0 4096 0 0 0 0 17 1 0 0
/proc/28969/statm: 1289 203 83 159 0 1128 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 5156

Child status: 10
Real time (s): 0.32509
CPU time (s): 0.32295
CPU user time (s): 0.319951
CPU system time (s): 0.002999
CPU usage (%): 99.3417
Max. virtual memory (cumulated for all children) (KiB): 5156

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.319951
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= 234
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= 0

runsolver used 0.002999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Tue Feb 27 08:19:48 UTC 2007

IDJOB= 311064
IDBENCH= 20304
IDSOLVER= 102
FILE ID= node3/311064-1172564387

PBS_JOBID= 3971662

Free space on /tmp= 66557 MiB

SOLVER NAME= sapsrt 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/311064-1172564387/sapsrt /tmp/evaluation/311064-1172564387/instance-311064-1172564387.cnf  989199928       
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-311064-1172564387 -o ROOT/results/node3/solver-311064-1172564387 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311064-1172564387/sapsrt /tmp/evaluation/311064-1172564387/instance-311064-1172564387.cnf  989199928       

META MD5SUM SOLVER= a43f4f4c91c277b32a975fd145ded8eb
MD5SUM BENCH=  5b71a13667daed42fef777f7d5fe2376

RANDOM SEED= 989199928

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:        814008 kB
Buffers:         69436 kB
Cached:        1035700 kB
SwapCached:          0 kB
Active:         460776 kB
Inactive:       699024 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        814008 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2336 kB
Writeback:           0 kB
Mapped:          73576 kB
Slab:            67752 kB
Committed_AS:  1192568 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= 66557 MiB

End job on node3 on Tue Feb 27 08:19:48 UTC 2007