Trace number 311113

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 15.1627 15.1689

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1476745538-08-SAT.cnf
MD5SUMc77e3fe2797ba24ba2baccdc1afa561c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.028995
Satisfiable
(Un)Satisfiability was proved
Number of variables1294
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 |    1097     3753    11119 |     1251        0    nan |  0.000 % |
0.00/0.02	|       100 |    1097     3753    11119 |     1376      100     17 |  0.000 % |
0.00/0.03	|       250 |    1096     3749    11109 |     1513      249     19 |  0.077 % |
0.00/0.05	|       475 |    1096     3749    11109 |     1665      474     19 |  0.078 % |
0.00/0.07	|       812 |    1096     3749    11109 |     1831      811     19 |  0.077 % |
0.10/0.11	|      1318 |    1096     3749    11109 |     2014     1317     19 |  0.077 % |
0.10/0.17	|      2078 |    1096     3749    11109 |     2216     2077     20 |  0.077 % |
0.20/0.26	|      3217 |    1096     3749    11109 |     2437     2048     20 |  0.077 % |
0.41/0.41	|      4926 |    1096     3749    11109 |     2681     2488     20 |  0.078 % |
0.61/0.64	|      7489 |    1096     3749    11109 |     2949     2231     22 |  0.077 % |
0.92/0.99	|     11334 |    1096     3749    11109 |     3244     3014     20 |  0.077 % |
1.53/1.55	|     17100 |    1096     3749    11109 |     3569     2017     20 |  0.078 % |
2.35/2.39	|     25750 |    1096     3749    11109 |     3926     3315     18 |  0.077 % |
3.68/3.70	|     38725 |    1096     3749    11109 |     4318     2163     17 |  0.077 % |
5.63/5.69	|     58186 |    1096     3749    11109 |     4750     3938     22 |  0.078 % |
9.01/9.09	|     87379 |    1096     3749    11109 |     5225     3894     24 |  0.078 % |
14.05/14.12	|    131168 |    1096     3749    11109 |     5748     4935     22 |  0.077 % |
15.07/15.16	===============================================================================
15.07/15.16	lookaheads            : 151521
15.07/15.16	variable balance      : 0.00
15.07/15.16	restarts              : 17
15.07/15.16	conflicts             : 140802         (9290 /sec)
15.07/15.16	decisions             : 151522         (1.72 % random) (9998 /sec)
15.07/15.16	decision = positive   : 76351
15.07/15.16	decision = negative   : 75170
15.07/15.16	propagations          : 24050186       (1586875 /sec)
15.07/15.16	conflict literals     : 3257350        (34.15 % deleted)
15.07/15.16	Memory used           : 3.20 MB
15.07/15.16	CPU time              : 15.1557 s
15.07/15.16	
15.07/15.16	s SATISFIABLE
15.07/15.16	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 -244 245 -246 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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/node63/watcher-311113-1172564527 -o ROOT/results/node63/solver-311113-1172564527 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311113-1172564527/minimarch /tmp/evaluation/311113-1172564527/instance-311113-1172564527.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: 0.99 1.00 0.99 3/64 15150
/proc/meminfo: memFree=1813144/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=2000 CPUtime=0
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 180 0 0 0 0 0 0 0 18 0 1 0 276410224 2048000 164 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 500 164 51 132 0 365 0

[startup+0.107623 s]
/proc/loadavg: 0.99 1.00 0.99 3/64 15150
/proc/meminfo: memFree=1813144/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=2220 CPUtime=0.1
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 235 0 0 0 10 0 0 0 18 0 1 0 276410224 2273280 219 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551359 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 555 219 66 132 0 420 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2220

[startup+0.515666 s]
/proc/loadavg: 0.99 1.00 0.99 3/64 15150
/proc/meminfo: memFree=1813144/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=2352 CPUtime=0.51
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 285 0 0 0 51 0 0 0 21 0 1 0 276410224 2408448 269 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134550971 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 588 269 66 132 0 453 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2352

[startup+1.33575 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1812240/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=2616 CPUtime=1.33
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 326 0 0 0 133 0 0 0 25 0 1 0 276410224 2678784 310 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551222 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 654 310 66 132 0 519 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 2616

[startup+2.97693 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1811984/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=2748 CPUtime=2.96
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 358 0 0 0 296 0 0 0 25 0 1 0 276410224 2813952 342 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551352 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 687 342 66 132 0 552 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 2748

[startup+6.25327 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1811616/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=3012 CPUtime=6.24
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 426 0 0 0 624 0 0 0 25 0 1 0 276410224 3084288 410 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551359 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 753 410 66 132 0 618 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 3012

[startup+12.708 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1811232/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=3276 CPUtime=12.69
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 493 0 0 0 1269 0 0 0 25 0 1 0 276410224 3354624 477 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551713 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 819 477 66 132 0 684 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3276

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

[startup+13.144 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1811232/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=3276 CPUtime=13.13
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 493 0 0 0 1313 0 0 0 25 0 1 0 276410224 3354624 477 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551700 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 819 477 66 132 0 684 0
Current children cumulated CPU time (s) 13.13
Current children cumulated vsize (KiB) 3276

[startup+13.9641 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1811232/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=3276 CPUtime=13.95
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 498 0 0 0 1395 0 0 0 25 0 1 0 276410224 3354624 482 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551188 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 819 482 66 132 0 684 0
Current children cumulated CPU time (s) 13.95
Current children cumulated vsize (KiB) 3276

[startup+14.7842 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1811232/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=3276 CPUtime=14.77
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 504 0 0 0 1477 0 0 0 25 0 1 0 276410224 3354624 488 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551345 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 819 488 66 132 0 684 0
Current children cumulated CPU time (s) 14.77
Current children cumulated vsize (KiB) 3276

[startup+14.9882 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1811232/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=3276 CPUtime=14.97
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 506 0 0 0 1497 0 0 0 25 0 1 0 276410224 3354624 490 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551219 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 819 490 66 132 0 684 0
Current children cumulated CPU time (s) 14.97
Current children cumulated vsize (KiB) 3276

[startup+15.0902 s]
/proc/loadavg: 0.99 1.00 0.99 2/65 15151
/proc/meminfo: memFree=1811232/2055920 swapFree=4179040/4192956
[pid=15150] ppid=15148 vsize=3276 CPUtime=15.07
/proc/15150/stat : 15150 (minimarch) R 15148 15150 13612 0 -1 4194304 506 0 0 0 1507 0 0 0 25 0 1 0 276410224 3354624 490 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551210 0 0 4096 3 0 0 0 17 1 0 0
/proc/15150/statm: 819 490 66 132 0 684 0
Current children cumulated CPU time (s) 15.07
Current children cumulated vsize (KiB) 3276

Child status: 10
Real time (s): 15.1689
CPU time (s): 15.1627
CPU user time (s): 15.1567
CPU system time (s): 0.005999
CPU usage (%): 99.959
Max. virtual memory (cumulated for all children) (KiB): 3276

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 15.1567
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 513
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= 26

runsolver used 0.009998 second user time and 0.041993 second system time

The end

Launcher Data (download as text)

Begin job on node63 on Tue Feb 27 08:22:08 UTC 2007

IDJOB= 311113
IDBENCH= 20305
IDSOLVER= 110
FILE ID= node63/311113-1172564527

PBS_JOBID= 3971867

Free space on /tmp= 66558 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1476745538-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/311113-1172564527/minimarch /tmp/evaluation/311113-1172564527/instance-311113-1172564527.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node63/watcher-311113-1172564527 -o ROOT/results/node63/solver-311113-1172564527 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311113-1172564527/minimarch /tmp/evaluation/311113-1172564527/instance-311113-1172564527.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  c77e3fe2797ba24ba2baccdc1afa561c

RANDOM SEED= 640481107

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node63.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		: 3000.214
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:       1813616 kB
Buffers:         31572 kB
Cached:         158456 kB
SwapCached:       8192 kB
Active:         114076 kB
Inactive:        89984 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1813616 kB
SwapTotal:     4192956 kB
SwapFree:      4179040 kB
Dirty:            2316 kB
Writeback:           0 kB
Mapped:          15440 kB
Slab:            24272 kB
Committed_AS:   667840 kB
PageTables:       1460 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= 66558 MiB

End job on node63 on Tue Feb 27 08:22:24 UTC 2007