Trace number 310990

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
minimarch 2007-02-08SAT 104.774 104.809

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1679085272-10-SAT.cnf
MD5SUM9f390533642969c6fa22110646f07992
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.154976
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)

0.00/0.00	This is MiniMarch, a modified version of MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  1295                                                 |
0.00/0.00	|  Number of clauses:    4026                                                 |
0.00/0.01	|  Parsing time:         0.01         s                                       |
0.00/0.02	============================[ Search Statistics ]==============================
0.00/0.02	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.02	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.02	===============================================================================
0.00/0.02	|         0 |    1096     3764    11117 |     1254        0    nan |  0.000 % |
0.00/0.02	|       100 |    1096     3764    11117 |     1380      100     20 |  0.000 % |
0.00/0.03	|       251 |    1096     3764    11117 |     1518      251     17 |  0.000 % |
0.00/0.05	|       476 |    1094     3747    11066 |     1669      475     18 |  0.155 % |
0.00/0.07	|       813 |    1094     3747    11066 |     1836      812     18 |  0.155 % |
0.10/0.11	|      1320 |    1094     3747    11066 |     2020     1319     19 |  0.154 % |
0.10/0.17	|      2079 |    1094     3747    11066 |     2222     2078     18 |  0.155 % |
0.20/0.26	|      3218 |    1094     3747    11066 |     2444     2056     18 |  0.155 % |
0.30/0.40	|      4927 |    1094     3747    11066 |     2689     2480     17 |  0.154 % |
0.61/0.63	|      7490 |    1094     3747    11066 |     2958     2212     17 |  0.155 % |
0.92/0.99	|     11335 |    1094     3747    11066 |     3254     2984     18 |  0.155 % |
1.53/1.54	|     17101 |    1094     3747    11066 |     3579     1997     16 |  0.155 % |
2.35/2.41	|     25750 |    1094     3747    11066 |     3937     3225     20 |  0.155 % |
3.68/3.77	|     38724 |    1094     3747    11066 |     4331     2062     18 |  0.155 % |
5.73/5.81	|     58186 |    1094     3747    11066 |     4764     3790     18 |  0.155 % |
8.90/9.00	|     87378 |    1094     3747    11066 |     5241     3720     18 |  0.155 % |
14.02/14.04	|    131167 |    1094     3747    11066 |     5765     4670     20 |  0.155 % |
21.70/21.78	|    196851 |    1094     3747    11066 |     6341     5747     21 |  0.155 % |
33.78/33.81	|    295377 |    1094     3747    11066 |     6975     4391     18 |  0.155 % |
52.72/52.81	|    443166 |    1094     3747    11066 |     7673     6989     22 |  0.154 % |
82.21/82.26	|    664850 |    1094     3747    11066 |     8440     6952     24 |  0.155 % |
104.74/104.80	===============================================================================
104.74/104.80	lookaheads            : 884632
104.74/104.80	variable balance      : 0.00
104.74/104.80	restarts              : 21
104.74/104.80	conflicts             : 827388         (7898 /sec)
104.74/104.80	decisions             : 884633         (1.71 % random) (8444 /sec)
104.74/104.80	decision = positive   : 458148
104.74/104.80	decision = negative   : 426484
104.74/104.80	propagations          : 138608494      (1323079 /sec)
104.74/104.80	conflict literals     : 18954055       (36.07 % deleted)
104.74/104.80	Memory used           : 4.50 MB
104.74/104.80	CPU time              : 104.762 s
104.74/104.80	
104.74/104.80	s SATISFIABLE
104.74/104.80	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 -244 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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/node39/watcher-310990-1172563599 -o ROOT/results/node39/solver-310990-1172563599 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310990-1172563599/minimarch /tmp/evaluation/310990-1172563599/instance-310990-1172563599.cnf 

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: 0.91 0.97 0.97 3/64 29243
/proc/meminfo: memFree=1829944/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=2004 CPUtime=0
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 180 0 0 0 0 0 0 0 18 0 1 0 276315819 2052096 164 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 501 164 51 132 0 366 0

[startup+0.106314 s]
/proc/loadavg: 0.91 0.97 0.97 3/64 29243
/proc/meminfo: memFree=1829944/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=2220 CPUtime=0.1
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 236 0 0 0 10 0 0 0 18 0 1 0 276315819 2273280 220 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134552516 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 555 220 66 132 0 420 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2220

[startup+0.514383 s]
/proc/loadavg: 0.91 0.97 0.97 3/64 29243
/proc/meminfo: memFree=1829944/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=2352 CPUtime=0.51
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 273 0 0 0 51 0 0 0 21 0 1 0 276315819 2408448 257 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134557374 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 588 257 66 132 0 453 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2352

[startup+1.33452 s]
/proc/loadavg: 0.91 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1829104/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=2484 CPUtime=1.33
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 315 0 0 0 133 0 0 0 25 0 1 0 276315819 2543616 299 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551496 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 621 299 66 132 0 486 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 2484

[startup+2.9708 s]
/proc/loadavg: 0.91 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1828784/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=2748 CPUtime=2.96
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 363 0 0 0 296 0 0 0 25 0 1 0 276315819 2813952 347 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551281 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 687 347 66 132 0 552 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 2748

[startup+6.24936 s]
/proc/loadavg: 0.92 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1828536/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=2880 CPUtime=6.24
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 407 0 0 0 624 0 0 0 25 0 1 0 276315819 2949120 391 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134553406 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 720 391 66 132 0 585 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 2880

[startup+12.7025 s]
/proc/loadavg: 0.93 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1828160/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=3144 CPUtime=12.69
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 475 0 0 0 1269 0 0 0 25 0 1 0 276315819 3219456 459 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551269 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 786 459 66 132 0 651 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3144

[startup+25.5047 s]
/proc/loadavg: 0.94 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1827840/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=3540 CPUtime=25.49
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 564 0 0 0 2549 0 0 0 25 0 1 0 276315819 3624960 548 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551352 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 885 548 66 132 0 750 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 3540

[startup+51.111 s]
/proc/loadavg: 0.96 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1827264/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=4072 CPUtime=51.08
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 695 0 0 0 5108 0 0 0 25 0 1 0 276315819 4169728 679 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551713 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 1018 679 66 132 0 883 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 4072

[startup+102.317 s]
/proc/loadavg: 0.98 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1826816/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=4600 CPUtime=102.27
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 831 0 0 0 10227 0 0 0 25 0 1 0 276315819 4710400 815 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551188 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 1150 815 66 132 0 1015 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 4600

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

[startup+103.239 s]
/proc/loadavg: 0.98 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1826752/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=4600 CPUtime=103.19
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 831 0 0 0 10319 0 0 0 25 0 1 0 276315819 4710400 815 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551523 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 1150 815 66 132 0 1015 0
Current children cumulated CPU time (s) 103.19
Current children cumulated vsize (KiB) 4600

[startup+104.059 s]
/proc/loadavg: 0.98 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1826752/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=4600 CPUtime=104.01
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 833 0 0 0 10401 0 0 0 25 0 1 0 276315819 4710400 817 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551496 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 1150 817 66 132 0 1015 0
Current children cumulated CPU time (s) 104.01
Current children cumulated vsize (KiB) 4600

[startup+104.467 s]
/proc/loadavg: 0.98 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1826752/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=4600 CPUtime=104.43
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 848 0 0 0 10442 1 0 0 25 0 1 0 276315819 4710400 832 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551219 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 1150 832 66 132 0 1015 0
Current children cumulated CPU time (s) 104.43
Current children cumulated vsize (KiB) 4600

[startup+104.671 s]
/proc/loadavg: 0.98 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1826752/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=4600 CPUtime=104.63
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 848 0 0 0 10462 1 0 0 25 0 1 0 276315819 4710400 832 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551365 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 1150 832 66 132 0 1015 0
Current children cumulated CPU time (s) 104.63
Current children cumulated vsize (KiB) 4600

[startup+104.773 s]
/proc/loadavg: 0.98 0.97 0.97 2/65 29244
/proc/meminfo: memFree=1826688/2055920 swapFree=4161536/4192956
[pid=29243] ppid=29241 vsize=4600 CPUtime=104.74
/proc/29243/stat : 29243 (minimarch) R 29241 29243 27619 0 -1 4194304 848 0 0 0 10473 1 0 0 25 0 1 0 276315819 4710400 832 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134557911 0 0 4096 3 0 0 0 17 1 0 0
/proc/29243/statm: 1150 832 66 132 0 1015 0
Current children cumulated CPU time (s) 104.74
Current children cumulated vsize (KiB) 4600

Child status: 10
Real time (s): 104.809
CPU time (s): 104.774
CPU user time (s): 104.762
CPU system time (s): 0.011998
CPU usage (%): 99.9671
Max. virtual memory (cumulated for all children) (KiB): 4600

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 104.762
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 856
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= 113

runsolver used 0.074988 second user time and 0.215967 second system time

The end

Launcher Data (download as text)

Begin job on node39 on Tue Feb 27 08:06:39 UTC 2007

IDJOB= 310990
IDBENCH= 20302
IDSOLVER= 110
FILE ID= node39/310990-1172563599

PBS_JOBID= 3971883

Free space on /tmp= 66557 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1679085272-10-SAT.cnf
COMMAND LINE= /tmp/evaluation/310990-1172563599/minimarch /tmp/evaluation/310990-1172563599/instance-310990-1172563599.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node39/watcher-310990-1172563599 -o ROOT/results/node39/solver-310990-1172563599 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310990-1172563599/minimarch /tmp/evaluation/310990-1172563599/instance-310990-1172563599.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  9f390533642969c6fa22110646f07992

RANDOM SEED= 810452146

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node39.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		: 3000.285
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		: 3000.285
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:       1830352 kB
Buffers:         21424 kB
Cached:         133536 kB
SwapCached:      25852 kB
Active:          78948 kB
Inactive:       108500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1830352 kB
SwapTotal:     4192956 kB
SwapFree:      4161536 kB
Dirty:            2480 kB
Writeback:           0 kB
Mapped:          15312 kB
Slab:            24096 kB
Committed_AS:   661444 kB
PageTables:       1412 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 node39 on Tue Feb 27 08:08:24 UTC 2007