Trace number 421386

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
minisat SAT 2007SAT 29.5855 29.5956

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	c This is MiniSat 2.0 (Feb 1 2007, SAT-Competition version)
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  1295                                                 |
0.00/0.00	c |  Number of clauses:    4026                                                 |
0.00/0.00	c |  Parsing time:         0.00         s                                       |
0.00/0.01	c ============================[ Search Statistics ]==============================
0.00/0.01	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	c ===============================================================================
0.00/0.01	c |         0 |    1097     3753    11119 |     1251        0    nan |  0.000 % |
0.00/0.01	c |       100 |    1097     3753    11119 |     1376      100     21 |  0.000 % |
0.02/0.02	c |       250 |    1096     3749    11109 |     1513      249     20 |  0.077 % |
0.02/0.04	c |       475 |    1096     3749    11109 |     1665      474     21 |  0.078 % |
0.02/0.06	c |       813 |    1096     3749    11109 |     1831      812     22 |  0.078 % |
0.02/0.09	c |      1320 |    1096     3749    11109 |     2014     1319     21 |  0.077 % |
0.09/0.15	c |      2079 |    1096     3749    11109 |     2216     2078     21 |  0.078 % |
0.19/0.24	c |      3219 |    1096     3749    11109 |     2437     2060     21 |  0.077 % |
0.29/0.38	c |      4928 |    1096     3749    11109 |     2681     2460     23 |  0.078 % |
0.59/0.60	c |      7490 |    1096     3749    11109 |     2949     2221     21 |  0.077 % |
0.89/0.95	c |     11335 |    1096     3749    11109 |     3244     2990     25 |  0.077 % |
1.49/1.50	c |     17103 |    1096     3749    11109 |     3569     2066     22 |  0.077 % |
2.29/2.30	c |     25752 |    1096     3749    11109 |     3926     3343     24 |  0.077 % |
3.49/3.58	c |     38727 |    1096     3749    11109 |     4318     2186     22 |  0.077 % |
5.39/5.49	c |     58189 |    1096     3749    11109 |     4750     4034     21 |  0.077 % |
8.49/8.57	c |     87381 |    1096     3749    11109 |     5225     3922     22 |  0.077 % |
13.19/13.25	c |    131171 |    1096     3749    11109 |     5748     4987     20 |  0.078 % |
20.79/20.80	c |    196855 |    1096     3749    11109 |     6323     3044     24 |  0.078 % |
29.48/29.59	c ===============================================================================
29.48/29.59	c restarts              : 18
29.48/29.59	c conflicts             : 266751         (9018 /sec)
29.48/29.59	c decisions             : 329277         (1.73 % random) (11132 /sec)
29.48/29.59	c propagations          : 40523901       (1369999 /sec)
29.48/29.59	c conflict literals     : 7144259        (32.32 % deleted)
29.48/29.59	c Memory used           : 3.97 MB
29.48/29.59	c CPU time              : 29.5795 s
29.48/29.59	c 
29.48/29.59	s SATISFIABLE
29.48/29.59	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 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-1280 -1281 -1282 -1283 -1284 1285 1286 -1287 -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/node43/watcher-421386-1177503267 -o ROOT/results/node43/solver-421386-1177503267 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421386-1177503267/minisat_noassertions /tmp/evaluation/421386-1177503267/instance-421386-1177503267.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: 0.88 0.94 0.97 3/77 22043
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=1992 CPUtime=0
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 177 0 0 0 0 0 0 0 18 0 1 0 198238565 2039808 163 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 498 163 50 130 0 365 0

[startup+0.0256771 s]
/proc/loadavg: 0.88 0.94 0.97 3/77 22043
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=2204 CPUtime=0.02
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 232 0 0 0 2 0 0 0 18 0 1 0 198238565 2256896 218 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552707 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 551 218 66 130 0 418 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2204

[startup+0.10168 s]
/proc/loadavg: 0.88 0.94 0.97 3/77 22043
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=2204 CPUtime=0.09
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 234 0 0 0 9 0 0 0 18 0 1 0 198238565 2256896 220 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546920 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 551 220 66 130 0 418 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2204

[startup+0.301697 s]
/proc/loadavg: 0.88 0.94 0.97 3/77 22043
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=2336 CPUtime=0.29
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 277 0 0 0 29 0 0 0 20 0 1 0 198238565 2392064 263 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547313 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 584 263 66 130 0 451 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2336

[startup+0.701732 s]
/proc/loadavg: 0.88 0.94 0.97 3/77 22043
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=2468 CPUtime=0.69
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 305 0 0 0 69 0 0 0 23 0 1 0 198238565 2527232 291 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552460 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 617 291 66 130 0 484 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2468

[startup+1.5018 s]
/proc/loadavg: 0.89 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1689160/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=2600 CPUtime=1.49
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 336 0 0 0 149 0 0 0 25 0 1 0 198238565 2662400 322 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547011 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 650 322 66 130 0 517 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2600

[startup+3.10194 s]
/proc/loadavg: 0.89 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1688968/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=2732 CPUtime=3.09
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 383 0 0 0 309 0 0 0 25 0 1 0 198238565 2797568 369 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547011 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 683 369 66 130 0 550 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2732

[startup+6.30122 s]
/proc/loadavg: 0.90 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1688656/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=3128 CPUtime=6.29
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 457 0 0 0 629 0 0 0 25 0 1 0 198238565 3203072 443 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548444 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 782 443 66 130 0 649 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3128

[startup+12.7018 s]
/proc/loadavg: 0.90 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1688144/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=3260 CPUtime=12.69
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 514 0 0 0 1269 0 0 0 25 0 1 0 198238565 3338240 500 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546964 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 815 500 66 130 0 682 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3260

[startup+25.5019 s]
/proc/loadavg: 0.93 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1687504/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=3932 CPUtime=25.48
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 660 0 0 0 2548 0 0 0 25 0 1 0 198238565 4026368 646 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547020 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 983 646 66 130 0 850 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 3932

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

[startup+27.101 s]
/proc/loadavg: 0.93 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1687504/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=3932 CPUtime=27.08
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 661 0 0 0 2708 0 0 0 25 0 1 0 198238565 4026368 647 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547313 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 983 647 66 130 0 850 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 3932

[startup+28.7012 s]
/proc/loadavg: 0.93 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1687440/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=4064 CPUtime=28.68
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 689 0 0 0 2868 0 0 0 25 0 1 0 198238565 4161536 675 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547020 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 1016 675 66 130 0 883 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 4064

[startup+29.1012 s]
/proc/loadavg: 0.93 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1687440/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=4064 CPUtime=29.08
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 689 0 0 0 2908 0 0 0 25 0 1 0 198238565 4161536 675 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552422 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 1016 675 66 130 0 883 0
Current children cumulated CPU time (s) 29.08
Current children cumulated vsize (KiB) 4064

[startup+29.5012 s]
/proc/loadavg: 0.93 0.94 0.97 2/78 22044
/proc/meminfo: memFree=1687440/2055920 swapFree=4158592/4192956
[pid=22043] ppid=22041 vsize=4064 CPUtime=29.48
/proc/22043/stat : 22043 (minisat_noasser) R 22041 22043 20535 0 -1 4194304 689 0 0 0 2948 0 0 0 25 0 1 0 198238565 4161536 675 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546988 0 0 4096 3 0 0 0 17 1 0 0
/proc/22043/statm: 1016 675 66 130 0 883 0
Current children cumulated CPU time (s) 29.48
Current children cumulated vsize (KiB) 4064

Child status: 10
Real time (s): 29.5956
CPU time (s): 29.5855
CPU user time (s): 29.5795
CPU system time (s): 0.005999
CPU usage (%): 99.9658
Max. virtual memory (cumulated for all children) (KiB): 4064

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 29.5795
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= 695
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= 642

runsolver used 0.029995 second user time and 0.067989 second system time

The end

Launcher Data (download as text)

Begin job on node43 on Wed Apr 25 12:14:28 UTC 2007

IDJOB= 421386
IDBENCH= 20305
IDSOLVER= 188
FILE ID= node43/421386-1177503267

PBS_JOBID= 4685864

Free space on /tmp= 66434 MiB

SOLVER NAME= minisat SAT 2007
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/421386-1177503267/minisat_noassertions /tmp/evaluation/421386-1177503267/instance-421386-1177503267.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node43/watcher-421386-1177503267 -o ROOT/results/node43/solver-421386-1177503267 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421386-1177503267/minisat_noassertions /tmp/evaluation/421386-1177503267/instance-421386-1177503267.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  c77e3fe2797ba24ba2baccdc1afa561c

RANDOM SEED= 628669790

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node43.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:       1690600 kB
Buffers:         50784 kB
Cached:         216532 kB
SwapCached:       2984 kB
Active:         182888 kB
Inactive:       114892 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1690600 kB
SwapTotal:     4192956 kB
SwapFree:      4158592 kB
Dirty:            1632 kB
Writeback:           0 kB
Mapped:          37992 kB
Slab:            52932 kB
Committed_AS:  2675116 kB
PageTables:       1908 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= 66434 MiB

End job on node43 on Wed Apr 25 12:14:57 UTC 2007