Trace number 428077

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 2.39664 2.39666

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)

0.00/0.00	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 |    1090     3715    11120 |     1238        0    nan |  0.000 % |
0.00/0.02	|       100 |    1090     3715    11120 |     1362      100     19 |  0.000 % |
0.00/0.03	|       250 |    1090     3715    11120 |     1498      250     21 |  0.001 % |
0.00/0.05	|       475 |    1090     3715    11120 |     1648      475     18 |  0.000 % |
0.05/0.07	|       814 |    1090     3715    11120 |     1813      814     20 |  0.000 % |
0.09/0.11	|      1321 |    1090     3715    11120 |     1994     1321     20 |  0.000 % |
0.09/0.17	|      2081 |    1090     3715    11120 |     2193     2081     21 |  0.000 % |
0.19/0.27	|      3221 |    1090     3715    11120 |     2413     2031     21 |  0.000 % |
0.39/0.42	|      4929 |    1090     3715    11120 |     2654     2434     23 |  0.000 % |
0.59/0.64	|      7492 |    1090     3715    11120 |     2919     2207     18 |  0.000 % |
0.89/0.99	|     11336 |    1090     3715    11120 |     3211     2993     24 |  0.000 % |
1.49/1.58	|     17103 |    1090     3715    11120 |     3533     1974     21 |  0.000 % |
2.29/2.39	===============================================================================
2.29/2.39	lookaheads            : 1228
2.29/2.39	variable balance      : 0.00
2.29/2.39	restarts              : 12
2.29/2.39	conflicts             : 24782          (10366 /sec)
2.29/2.39	decisions             : 32854          (1.71 % random) (13743 /sec)
2.29/2.39	decision = positive   : 17627
2.29/2.39	decision = negative   : 15226
2.29/2.39	propagations          : 3754682        (1570579 /sec)
2.29/2.39	conflict literals     : 609953         (38.07 % deleted)
2.29/2.39	Memory used           : 2.70 MB
2.29/2.39	CPU time              : 2.39064 s
2.29/2.39	
2.29/2.39	s SATISFIABLE
2.29/2.39	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 -246 247 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-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/node30/watcher-428077-1177701003 -o ROOT/results/node30/solver-428077-1177701003 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/428077-1177701003/minimarch_fixed /tmp/evaluation/428077-1177701003/instance-428077-1177701003.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: 0.96 0.98 0.99 3/77 23227
/proc/meminfo: memFree=1661448/2055920 swapFree=4157020/4192956
[pid=23227] ppid=23225 vsize=2004 CPUtime=0
/proc/23227/stat : 23227 (minimarch_fixed) R 23225 23227 21967 0 -1 4194304 178 0 0 0 0 0 0 0 18 0 1 0 218015999 2052096 163 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134562293 0 0 4096 3 0 0 0 17 1 0 0
/proc/23227/statm: 501 163 51 132 0 366 0

[startup+0.0612371 s]
/proc/loadavg: 0.96 0.98 0.99 3/77 23227
/proc/meminfo: memFree=1661448/2055920 swapFree=4157020/4192956
[pid=23227] ppid=23225 vsize=2232 CPUtime=0.05
/proc/23227/stat : 23227 (minimarch_fixed) R 23225 23227 21967 0 -1 4194304 238 0 0 0 5 0 0 0 18 0 1 0 218015999 2285568 223 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551235 0 0 4096 3 0 0 0 17 1 0 0
/proc/23227/statm: 558 223 67 132 0 423 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 2232

[startup+0.101239 s]
/proc/loadavg: 0.96 0.98 0.99 3/77 23227
/proc/meminfo: memFree=1661448/2055920 swapFree=4157020/4192956
[pid=23227] ppid=23225 vsize=2232 CPUtime=0.09
/proc/23227/stat : 23227 (minimarch_fixed) R 23225 23227 21967 0 -1 4194304 238 0 0 0 9 0 0 0 18 0 1 0 218015999 2285568 223 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551305 0 0 4096 3 0 0 0 17 1 0 0
/proc/23227/statm: 558 223 67 132 0 423 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2232

[startup+0.301251 s]
/proc/loadavg: 0.96 0.98 0.99 3/77 23227
/proc/meminfo: memFree=1661448/2055920 swapFree=4157020/4192956
[pid=23227] ppid=23225 vsize=2364 CPUtime=0.29
/proc/23227/stat : 23227 (minimarch_fixed) R 23225 23227 21967 0 -1 4194304 270 0 0 0 29 0 0 0 19 0 1 0 218015999 2420736 255 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551762 0 0 4096 3 0 0 0 17 1 0 0
/proc/23227/statm: 591 255 67 132 0 456 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2364

[startup+0.701275 s]
/proc/loadavg: 0.96 0.98 0.99 3/77 23227
/proc/meminfo: memFree=1661448/2055920 swapFree=4157020/4192956
[pid=23227] ppid=23225 vsize=2364 CPUtime=0.69
/proc/23227/stat : 23227 (minimarch_fixed) R 23225 23227 21967 0 -1 4194304 291 0 0 0 69 0 0 0 23 0 1 0 218015999 2420736 276 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551391 0 0 4096 3 0 0 0 17 1 0 0
/proc/23227/statm: 591 276 67 132 0 456 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2364

[startup+1.50133 s]
/proc/loadavg: 0.96 0.98 0.99 2/78 23228
/proc/meminfo: memFree=1660416/2055920 swapFree=4157020/4192956
[pid=23227] ppid=23225 vsize=2628 CPUtime=1.49
/proc/23227/stat : 23227 (minimarch_fixed) R 23225 23227 21967 0 -1 4194304 332 0 0 0 149 0 0 0 25 0 1 0 218015999 2691072 317 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551358 0 0 4096 3 0 0 0 17 1 0 0
/proc/23227/statm: 657 317 67 132 0 522 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2628

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

[startup+1.90135 s]
/proc/loadavg: 0.96 0.98 0.99 2/78 23228
/proc/meminfo: memFree=1660416/2055920 swapFree=4157020/4192956
[pid=23227] ppid=23225 vsize=2628 CPUtime=1.89
/proc/23227/stat : 23227 (minimarch_fixed) R 23225 23227 21967 0 -1 4194304 351 0 0 0 189 0 0 0 25 0 1 0 218015999 2691072 336 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557700 0 0 4096 3 0 0 0 17 1 0 0
/proc/23227/statm: 657 336 67 132 0 522 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 2628

[startup+2.30239 s]
/proc/loadavg: 0.96 0.98 0.99 2/78 23228
/proc/meminfo: memFree=1660096/2055920 swapFree=4157020/4192956
[pid=23227] ppid=23225 vsize=2760 CPUtime=2.29
/proc/23227/stat : 23227 (minimarch_fixed) R 23225 23227 21967 0 -1 4194304 375 0 0 0 229 0 0 0 25 0 1 0 218015999 2826240 360 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552500 0 0 4096 3 0 0 0 17 1 0 0
/proc/23227/statm: 690 360 67 132 0 555 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 2760

Child status: 10
Real time (s): 2.39666
CPU time (s): 2.39664
CPU user time (s): 2.39164
CPU system time (s): 0.004999
CPU usage (%): 99.9991
Max. virtual memory (cumulated for all children) (KiB): 2760

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.39164
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= 385
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= 50

runsolver used 0.006998 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node30 on Fri Apr 27 19:10:03 UTC 2007

IDJOB= 428077
IDBENCH= 20304
IDSOLVER= 198
FILE ID= node30/428077-1177701003

PBS_JOBID= 4698659

Free space on /tmp= 66424 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-S1209647106-12-SAT.cnf
COMMAND LINE= /tmp/evaluation/428077-1177701003/minimarch_fixed /tmp/evaluation/428077-1177701003/instance-428077-1177701003.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node30/watcher-428077-1177701003 -o ROOT/results/node30/solver-428077-1177701003 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/428077-1177701003/minimarch_fixed /tmp/evaluation/428077-1177701003/instance-428077-1177701003.cnf

META MD5SUM SOLVER= 08d902191c06ef4f82d57c2f2b6a82c2
MD5SUM BENCH=  5b71a13667daed42fef777f7d5fe2376

RANDOM SEED= 111571685

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node30.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		: 3000.218
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		: 3000.218
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:       1661856 kB
Buffers:         41380 kB
Cached:         288044 kB
SwapCached:      15608 kB
Active:         218700 kB
Inactive:       134476 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1661856 kB
SwapTotal:     4192956 kB
SwapFree:      4157020 kB
Dirty:            3024 kB
Writeback:           0 kB
Mapped:          30344 kB
Slab:            26420 kB
Committed_AS:  3608136 kB
PageTables:       1776 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= 66424 MiB

End job on node30 on Fri Apr 27 19:10:06 UTC 2007