Trace number 428079

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 13.4919 13.4981

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 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 |    1097     3753    11119 |     1251        0    nan |  0.000 % |
0.00/0.02	|       100 |    1097     3753    11119 |     1376      100     26 |  0.000 % |
0.00/0.03	|       250 |    1097     3753    11119 |     1513      250     24 |  0.000 % |
0.00/0.05	|       479 |    1096     3749    11109 |     1665      478     25 |  0.077 % |
0.00/0.07	|       817 |    1096     3749    11109 |     1831      816     25 |  0.077 % |
0.09/0.11	|      1324 |    1096     3749    11109 |     2014     1323     25 |  0.077 % |
0.09/0.17	|      2084 |    1096     3749    11109 |     2216     2083     25 |  0.077 % |
0.19/0.27	|      3223 |    1096     3749    11109 |     2437     2043     25 |  0.077 % |
0.39/0.42	|      4931 |    1096     3749    11109 |     2681     2467     26 |  0.077 % |
0.59/0.65	|      7493 |    1096     3749    11109 |     2949     2276     23 |  0.077 % |
1.00/1.03	|     11339 |    1096     3749    11109 |     3244     1565     22 |  0.077 % |
1.59/1.60	|     17105 |    1096     3749    11109 |     3569     2326     22 |  0.077 % |
2.49/2.51	|     25755 |    1096     3749    11109 |     3926     3530     25 |  0.077 % |
3.79/3.87	|     38731 |    1096     3749    11109 |     4318     2264     22 |  0.077 % |
5.89/5.92	|     58192 |    1096     3749    11109 |     4750     3934     24 |  0.077 % |
9.09/9.10	|     87384 |    1096     3749    11109 |     5225     3940     23 |  0.077 % |
13.39/13.49	===============================================================================
13.39/13.49	lookaheads            : 8251
13.39/13.49	variable balance      : 0.00
13.39/13.49	restarts              : 16
13.39/13.49	conflicts             : 123366         (9148 /sec)
13.39/13.49	decisions             : 157349         (1.75 % random) (11668 /sec)
13.39/13.49	decision = positive   : 83750
13.39/13.49	decision = negative   : 73598
13.39/13.49	propagations          : 18892358       (1400996 /sec)
13.39/13.49	conflict literals     : 3443755        (31.48 % deleted)
13.39/13.49	Memory used           : 3.47 MB
13.39/13.49	CPU time              : 13.4849 s
13.39/13.49	
13.39/13.49	s SATISFIABLE
13.39/13.49	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 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-1288 -1289 -1290 1291 -1292 -1293 1294 -1295 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/node48/watcher-428079-1177701007 -o ROOT/results/node48/solver-428079-1177701007 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/428079-1177701007/minimarch_fixed /tmp/evaluation/428079-1177701007/instance-428079-1177701007.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: 0.90 0.95 0.98 3/64 26631
/proc/meminfo: memFree=1643232/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=2000 CPUtime=0
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 178 0 0 0 0 0 0 0 18 0 1 0 124946091 2048000 163 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134562614 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 500 163 51 132 0 365 0

[startup+0.101466 s]
/proc/loadavg: 0.90 0.95 0.98 3/64 26631
/proc/meminfo: memFree=1643232/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=2220 CPUtime=0.09
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 235 0 0 0 9 0 0 0 18 0 1 0 124946091 2273280 220 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551406 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 555 220 67 132 0 420 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2220

[startup+0.201475 s]
/proc/loadavg: 0.90 0.95 0.98 3/64 26631
/proc/meminfo: memFree=1643232/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=2352 CPUtime=0.19
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 274 0 0 0 19 0 0 0 18 0 1 0 124946091 2408448 259 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134631269 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 588 259 67 132 0 453 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 2352

[startup+0.301484 s]
/proc/loadavg: 0.90 0.95 0.98 3/64 26631
/proc/meminfo: memFree=1643232/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=2352 CPUtime=0.29
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 284 0 0 0 29 0 0 0 19 0 1 0 124946091 2408448 269 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134550996 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 588 269 67 132 0 453 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2352

[startup+0.701521 s]
/proc/loadavg: 0.90 0.95 0.98 3/64 26631
/proc/meminfo: memFree=1643232/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=2484 CPUtime=0.69
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 304 0 0 0 69 0 0 0 22 0 1 0 124946091 2543616 289 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551759 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 621 289 67 132 0 486 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2484

[startup+1.5016 s]
/proc/loadavg: 0.90 0.95 0.98 2/65 26632
/proc/meminfo: memFree=1642264/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=2616 CPUtime=1.49
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 342 0 0 0 149 0 0 0 25 0 1 0 124946091 2678784 327 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551305 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 654 327 67 132 0 519 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2616

[startup+3.10174 s]
/proc/loadavg: 0.90 0.95 0.98 2/65 26632
/proc/meminfo: memFree=1641944/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=2756 CPUtime=3.09
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 391 0 0 0 309 0 0 0 25 0 1 0 124946091 2822144 376 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551374 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 689 376 67 132 0 554 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2756

[startup+6.30104 s]
/proc/loadavg: 0.91 0.95 0.98 2/65 26632
/proc/meminfo: memFree=1641688/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=3152 CPUtime=6.29
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 460 0 0 0 629 0 0 0 25 0 1 0 124946091 3227648 445 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557537 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 788 445 67 132 0 653 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3152

[startup+12.7016 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 26632
/proc/meminfo: memFree=1641176/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=3416 CPUtime=12.69
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 543 0 0 0 1269 0 0 0 25 0 1 0 124946091 3497984 528 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551287 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 854 528 67 132 0 719 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3416

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

[startup+12.8016 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 26632
/proc/meminfo: memFree=1641176/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=3416 CPUtime=12.79
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 543 0 0 0 1279 0 0 0 25 0 1 0 124946091 3497984 528 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551218 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 854 528 67 132 0 719 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 3416

[startup+13.2017 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 26632
/proc/meminfo: memFree=1641112/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=3548 CPUtime=13.19
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 563 0 0 0 1319 0 0 0 25 0 1 0 124946091 3633152 548 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551227 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 887 548 67 132 0 752 0
Current children cumulated CPU time (s) 13.19
Current children cumulated vsize (KiB) 3548

[startup+13.4017 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 26632
/proc/meminfo: memFree=1641112/2055920 swapFree=4183896/4192956
[pid=26631] ppid=26629 vsize=3548 CPUtime=13.39
/proc/26631/stat : 26631 (minimarch_fixed) R 26629 26631 25360 0 -1 4194304 563 0 0 0 1339 0 0 0 25 0 1 0 124946091 3633152 548 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551365 0 0 4096 3 0 0 0 17 1 0 0
/proc/26631/statm: 887 548 67 132 0 752 0
Current children cumulated CPU time (s) 13.39
Current children cumulated vsize (KiB) 3548

Child status: 10
Real time (s): 13.4981
CPU time (s): 13.4919
CPU user time (s): 13.4849
CPU system time (s): 0.006998
CPU usage (%): 99.9546
Max. virtual memory (cumulated for all children) (KiB): 3548

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.4849
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 572
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 0.012998 second user time and 0.032994 second system time

The end

Launcher Data (download as text)

Begin job on node48 on Fri Apr 27 19:10:08 UTC 2007

IDJOB= 428079
IDBENCH= 20305
IDSOLVER= 198
FILE ID= node48/428079-1177701007

PBS_JOBID= 4698665

Free space on /tmp= 66499 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-S1476745538-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/428079-1177701007/minimarch_fixed /tmp/evaluation/428079-1177701007/instance-428079-1177701007.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node48/watcher-428079-1177701007 -o ROOT/results/node48/solver-428079-1177701007 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/428079-1177701007/minimarch_fixed /tmp/evaluation/428079-1177701007/instance-428079-1177701007.cnf

META MD5SUM SOLVER= 08d902191c06ef4f82d57c2f2b6a82c2
MD5SUM BENCH=  c77e3fe2797ba24ba2baccdc1afa561c

RANDOM SEED= 139496252

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node48.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		: 3000.238
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		: 3000.238
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:       1643768 kB
Buffers:         41160 kB
Cached:         316772 kB
SwapCached:       3760 kB
Active:         231608 kB
Inactive:       136848 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1643768 kB
SwapTotal:     4192956 kB
SwapFree:      4183896 kB
Dirty:            2912 kB
Writeback:           0 kB
Mapped:          15772 kB
Slab:            29788 kB
Committed_AS:  1266036 kB
PageTables:       1388 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= 66499 MiB

End job on node48 on Fri Apr 27 19:10:21 UTC 2007