Trace number 428063

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 2007-04-26 (fixed)SAT 22.7545 22.7628

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1665384822-14-SAT.cnf
MD5SUMbe7dc6f6bf5d0d6359adfd321a4b6af2
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.036993
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 1.1, 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 |    1086     3723    11154 |     1241        0    nan |  0.000 % |
0.00/0.03	|       101 |    1086     3723    11154 |     1365      101     21 |  0.000 % |
0.00/0.03	|       251 |    1086     3723    11154 |     1501      251     23 |  0.000 % |
0.00/0.05	|       477 |    1085     3716    11131 |     1651      476     23 |  0.077 % |
0.05/0.07	|       814 |    1085     3716    11131 |     1816      813     24 |  0.077 % |
0.10/0.11	|      1322 |    1085     3716    11131 |     1998     1321     24 |  0.077 % |
0.10/0.17	|      2081 |    1085     3716    11131 |     2198     2080     24 |  0.077 % |
0.20/0.26	|      3220 |    1085     3716    11131 |     2418     2056     24 |  0.077 % |
0.40/0.41	|      4928 |    1085     3716    11131 |     2660     2506     26 |  0.077 % |
0.60/0.63	|      7490 |    1085     3716    11131 |     2926     2310     22 |  0.077 % |
1.00/1.00	|     11334 |    1085     3716    11131 |     3218     3069     28 |  0.077 % |
1.50/1.55	|     17100 |    1085     3716    11131 |     3540     2147     25 |  0.077 % |
2.39/2.44	|     25751 |    1085     3716    11131 |     3894     3482     24 |  0.077 % |
3.69/3.76	|     38726 |    1085     3716    11131 |     4284     2333     24 |  0.077 % |
5.79/5.87	|     58187 |    1085     3716    11131 |     4712     4133     24 |  0.077 % |
9.19/9.21	|     87379 |    1085     3716    11131 |     5183     4386     28 |  0.077 % |
14.19/14.24	|    131168 |    1085     3716    11131 |     5702     3285     22 |  0.077 % |
21.79/21.89	|    196852 |    1085     3716    11131 |     6272     4930     24 |  0.077 % |
22.69/22.75	===============================================================================
22.69/22.76	lookaheads            : 14704
22.69/22.76	variable balance      : 0.00
22.69/22.76	restarts              : 18
22.69/22.76	conflicts             : 204617         (8994 /sec)
22.69/22.76	decisions             : 258482         (1.74 % random) (11362 /sec)
22.69/22.76	decision = positive   : 139133
22.69/22.76	decision = negative   : 119348
22.69/22.76	propagations          : 31009293       (1363073 /sec)
22.69/22.76	conflict literals     : 5601346        (31.02 % deleted)
22.69/22.76	Memory used           : 3.62 MB
22.69/22.76	CPU time              : 22.7495 s
22.69/22.76	
22.69/22.76	s SATISFIABLE
22.69/22.76	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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0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node54/watcher-428063-1177700912 -o ROOT/results/node54/solver-428063-1177700912 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/428063-1177700912/minimarch_fixed /tmp/evaluation/428063-1177700912/instance-428063-1177700912.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): 2400 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: 0.94 0.97 0.99 3/66 3023
/proc/meminfo: memFree=1439424/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=2000 CPUtime=0
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 182 0 0 0 0 0 0 0 18 0 1 0 217465715 2048000 167 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 500 167 51 132 0 365 0

[startup+0.0588 s]
/proc/loadavg: 0.94 0.97 0.99 3/66 3023
/proc/meminfo: memFree=1439424/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=2236 CPUtime=0.05
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 238 0 0 0 5 0 0 0 18 0 1 0 217465715 2289664 223 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134556530 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 559 223 67 132 0 424 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 2236

[startup+0.101806 s]
/proc/loadavg: 0.94 0.97 0.99 3/66 3023
/proc/meminfo: memFree=1439424/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=2236 CPUtime=0.1
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 238 0 0 0 10 0 0 0 18 0 1 0 217465715 2289664 223 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552485 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 559 223 67 132 0 424 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2236

[startup+0.301831 s]
/proc/loadavg: 0.94 0.97 0.99 3/66 3023
/proc/meminfo: memFree=1439424/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=2368 CPUtime=0.3
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 285 0 0 0 30 0 0 0 19 0 1 0 217465715 2424832 270 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134550993 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 592 270 67 132 0 457 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 2368

[startup+0.701881 s]
/proc/loadavg: 0.94 0.97 0.99 3/66 3023
/proc/meminfo: memFree=1439424/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=2500 CPUtime=0.7
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 314 0 0 0 70 0 0 0 22 0 1 0 217465715 2560000 299 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552451 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 625 299 67 132 0 490 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 2500

[startup+1.50198 s]
/proc/loadavg: 0.95 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1438328/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=2632 CPUtime=1.5
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 348 0 0 0 150 0 0 0 25 0 1 0 217465715 2695168 333 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551227 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 658 333 67 132 0 523 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 2632

[startup+3.10219 s]
/proc/loadavg: 0.95 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1438008/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=2908 CPUtime=3.1
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 405 0 0 0 310 0 0 0 25 0 1 0 217465715 2977792 390 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551235 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 727 390 67 132 0 592 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 2908

[startup+6.3016 s]
/proc/loadavg: 0.95 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1437752/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=3040 CPUtime=6.29
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 462 0 0 0 629 0 0 0 25 0 1 0 217465715 3112960 447 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557651 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 760 447 67 132 0 625 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3040

[startup+12.7014 s]
/proc/loadavg: 0.95 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1437368/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=3436 CPUtime=12.69
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 532 0 0 0 1269 0 0 0 25 0 1 0 217465715 3518464 517 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551358 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 859 517 67 132 0 724 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3436

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

[startup+19.1012 s]
/proc/loadavg: 0.96 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1437240/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=3568 CPUtime=19.09
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 575 0 0 0 1909 0 0 0 25 0 1 0 217465715 3653632 560 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551664 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 892 560 67 132 0 757 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 3568

[startup+20.7014 s]
/proc/loadavg: 0.96 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1437240/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=3568 CPUtime=20.69
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 579 0 0 0 2069 0 0 0 25 0 1 0 217465715 3653632 564 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551391 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 892 564 67 132 0 757 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 3568

[startup+21.5015 s]
/proc/loadavg: 0.96 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1437240/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=3568 CPUtime=21.49
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 588 0 0 0 2149 0 0 0 25 0 1 0 217465715 3653632 573 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551772 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 892 573 67 132 0 757 0
Current children cumulated CPU time (s) 21.49
Current children cumulated vsize (KiB) 3568

[startup+22.3016 s]
/proc/loadavg: 0.96 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1437176/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=3700 CPUtime=22.29
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 597 0 0 0 2229 0 0 0 25 0 1 0 217465715 3788800 582 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551235 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 925 582 67 132 0 790 0
Current children cumulated CPU time (s) 22.29
Current children cumulated vsize (KiB) 3700

[startup+22.7017 s]
/proc/loadavg: 0.96 0.97 0.99 2/67 3024
/proc/meminfo: memFree=1437176/2055920 swapFree=4182164/4192956
[pid=3023] ppid=3021 vsize=3700 CPUtime=22.69
/proc/3023/stat : 3023 (minimarch_fixed) R 3021 3023 2194 0 -1 4194304 597 0 0 0 2269 0 0 0 25 0 1 0 217465715 3788800 582 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551766 0 0 4096 3 0 0 0 17 1 0 0
/proc/3023/statm: 925 582 67 132 0 790 0
Current children cumulated CPU time (s) 22.69
Current children cumulated vsize (KiB) 3700

Child status: 10
Real time (s): 22.7628
CPU time (s): 22.7545
CPU user time (s): 22.7495
CPU system time (s): 0.004999
CPU usage (%): 99.9636
Max. virtual memory (cumulated for all children) (KiB): 3700

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 22.7495
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 616
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= 48

runsolver used 0.023996 second user time and 0.066989 second system time

The end

Launcher Data (download as text)

Begin job on node54 on Fri Apr 27 19:08:32 UTC 2007

IDJOB= 428063
IDBENCH= 20296
IDSOLVER= 198
FILE ID= node54/428063-1177700912

PBS_JOBID= 4698688

Free space on /tmp= 66474 MiB

SOLVER NAME= minimarch 2007-04-26 (fixed)
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1665384822-14-SAT.cnf
COMMAND LINE= /tmp/evaluation/428063-1177700912/minimarch_fixed /tmp/evaluation/428063-1177700912/instance-428063-1177700912.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node54/watcher-428063-1177700912 -o ROOT/results/node54/solver-428063-1177700912 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/428063-1177700912/minimarch_fixed /tmp/evaluation/428063-1177700912/instance-428063-1177700912.cnf

META MD5SUM SOLVER= 08d902191c06ef4f82d57c2f2b6a82c2
MD5SUM BENCH=  be7dc6f6bf5d0d6359adfd321a4b6af2

RANDOM SEED= 714985345

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node54.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		: 3000.234
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		: 3000.234
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:       1439832 kB
Buffers:         54776 kB
Cached:         478092 kB
SwapCached:       4128 kB
Active:         233812 kB
Inactive:       309256 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1439832 kB
SwapTotal:     4192956 kB
SwapFree:      4182164 kB
Dirty:            3060 kB
Writeback:           0 kB
Mapped:          16036 kB
Slab:            58928 kB
Committed_AS:  2354652 kB
PageTables:       1412 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66474 MiB

End job on node54 on Fri Apr 27 19:08:55 UTC 2007