Trace number 421383

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 11.4663 11.4718

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1679085272-10-SAT.cnf
MD5SUM9f390533642969c6fa22110646f07992
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.154976
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	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 |    1096     3764    11117 |     1254        0    nan |  0.000 % |
0.00/0.01	c |       100 |    1096     3764    11117 |     1380      100     21 |  0.000 % |
0.00/0.02	c |       251 |    1096     3764    11117 |     1518      251     19 |  0.000 % |
0.03/0.04	c |       478 |    1096     3764    11117 |     1669      478     19 |  0.000 % |
0.03/0.06	c |       815 |    1096     3764    11117 |     1836      815     20 |  0.000 % |
0.03/0.09	c |      1322 |    1096     3764    11117 |     2020     1322     22 |  0.000 % |
0.09/0.15	c |      2081 |    1094     3747    11066 |     2222     1043     19 |  0.155 % |
0.19/0.24	c |      3220 |    1094     3747    11066 |     2444     2182     22 |  0.155 % |
0.29/0.38	c |      4928 |    1094     3747    11066 |     2689     1370     21 |  0.155 % |
0.49/0.59	c |      7491 |    1094     3747    11066 |     2958     2516     24 |  0.155 % |
0.89/0.93	c |     11335 |    1094     3747    11066 |     3254     1746     19 |  0.155 % |
1.39/1.46	c |     17102 |    1094     3747    11066 |     3579     2411     24 |  0.155 % |
2.20/2.26	c |     25751 |    1094     3747    11066 |     3937     3647     22 |  0.155 % |
3.49/3.56	c |     38725 |    1094     3747    11066 |     4331     2287     23 |  0.155 % |
5.50/5.59	c |     58188 |    1094     3747    11066 |     4764     3929     25 |  0.155 % |
8.59/8.69	c |     87380 |    1094     3747    11066 |     5241     3831     21 |  0.155 % |
11.39/11.46	c ===============================================================================
11.39/11.46	c restarts              : 16
11.39/11.46	c conflicts             : 113008         (9859 /sec)
11.39/11.46	c decisions             : 142518         (1.75 % random) (12434 /sec)
11.39/11.46	c propagations          : 16947735       (1478569 /sec)
11.39/11.46	c conflict literals     : 2794518        (35.49 % deleted)
11.39/11.46	c Memory used           : 3.19 MB
11.39/11.46	c CPU time              : 11.4623 s
11.39/11.46	c 
11.39/11.46	s SATISFIABLE
11.39/11.46	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 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-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/node54/watcher-421383-1177503252 -o ROOT/results/node54/solver-421383-1177503252 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421383-1177503252/minisat_noassertions /tmp/evaluation/421383-1177503252/instance-421383-1177503252.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: 1.01 1.01 1.00 3/66 17152
/proc/meminfo: memFree=1683648/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=1992 CPUtime=0
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 182 0 0 0 0 0 0 0 18 0 1 0 197699683 2039808 168 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 498 168 50 130 0 365 0

[startup+0.0375019 s]
/proc/loadavg: 1.01 1.01 1.00 3/66 17152
/proc/meminfo: memFree=1683648/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=2208 CPUtime=0.03
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 233 0 0 0 3 0 0 0 18 0 1 0 197699683 2260992 219 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552813 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 552 219 66 130 0 419 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2208

[startup+0.10151 s]
/proc/loadavg: 1.01 1.01 1.00 3/66 17152
/proc/meminfo: memFree=1683648/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=2208 CPUtime=0.09
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 236 0 0 0 9 0 0 0 18 0 1 0 197699683 2260992 222 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546809 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 552 222 66 130 0 419 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2208

[startup+0.301534 s]
/proc/loadavg: 1.01 1.01 1.00 3/66 17152
/proc/meminfo: memFree=1683648/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=2340 CPUtime=0.29
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 271 0 0 0 29 0 0 0 19 0 1 0 197699683 2396160 257 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547265 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 585 257 66 130 0 452 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2340

[startup+0.701586 s]
/proc/loadavg: 1.01 1.01 1.00 3/66 17152
/proc/meminfo: memFree=1683648/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=2472 CPUtime=0.69
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 306 0 0 0 69 0 0 0 22 0 1 0 197699683 2531328 292 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546980 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 618 292 66 130 0 485 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2472

[startup+1.50169 s]
/proc/loadavg: 1.01 1.01 1.00 2/67 17153
/proc/meminfo: memFree=1682680/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=2604 CPUtime=1.49
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 339 0 0 0 149 0 0 0 25 0 1 0 197699683 2666496 325 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548073 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 651 325 66 130 0 518 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2604

[startup+3.10189 s]
/proc/loadavg: 1.01 1.01 1.00 2/67 17153
/proc/meminfo: memFree=1682360/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=2868 CPUtime=3.09
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 395 0 0 0 309 0 0 0 25 0 1 0 197699683 2936832 381 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547011 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 717 381 66 130 0 584 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2868

[startup+6.3013 s]
/proc/loadavg: 1.01 1.01 1.00 2/67 17153
/proc/meminfo: memFree=1682040/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=3000 CPUtime=6.29
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 445 0 0 0 629 0 0 0 25 0 1 0 197699683 3072000 431 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552431 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 750 431 66 130 0 617 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3000

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

[startup+9.50171 s]
/proc/loadavg: 1.01 1.01 1.00 2/67 17153
/proc/meminfo: memFree=1681976/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=3132 CPUtime=9.49
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 483 0 0 0 949 0 0 0 25 0 1 0 197699683 3207168 469 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 783 469 66 130 0 650 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 3132

[startup+10.3018 s]
/proc/loadavg: 1.01 1.01 1.00 2/67 17153
/proc/meminfo: memFree=1681848/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=3264 CPUtime=10.29
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 487 0 0 0 1029 0 0 0 25 0 1 0 197699683 3342336 473 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546885 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 816 473 66 130 0 683 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 3264

[startup+11.1019 s]
/proc/loadavg: 1.01 1.01 1.00 2/67 17153
/proc/meminfo: memFree=1681784/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=3264 CPUtime=11.09
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 488 0 0 0 1109 0 0 0 25 0 1 0 197699683 3342336 474 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547326 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 816 474 66 130 0 683 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 3264

[startup+11.3019 s]
/proc/loadavg: 1.01 1.01 1.00 2/67 17153
/proc/meminfo: memFree=1681784/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=3264 CPUtime=11.29
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 490 0 0 0 1129 0 0 0 25 0 1 0 197699683 3342336 476 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547326 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 816 476 66 130 0 683 0
Current children cumulated CPU time (s) 11.29
Current children cumulated vsize (KiB) 3264

[startup+11.4019 s]
/proc/loadavg: 1.01 1.01 1.00 2/67 17153
/proc/meminfo: memFree=1681784/2055920 swapFree=4182160/4192956
[pid=17152] ppid=17150 vsize=3264 CPUtime=11.39
/proc/17152/stat : 17152 (minisat_noasser) R 17150 17152 15726 0 -1 4194304 490 0 0 0 1139 0 0 0 25 0 1 0 197699683 3342336 476 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547326 0 0 4096 3 0 0 0 17 1 0 0
/proc/17152/statm: 816 476 66 130 0 683 0
Current children cumulated CPU time (s) 11.39
Current children cumulated vsize (KiB) 3264

Child status: 10
Real time (s): 11.4718
CPU time (s): 11.4663
CPU user time (s): 11.4623
CPU system time (s): 0.003999
CPU usage (%): 99.9514
Max. virtual memory (cumulated for all children) (KiB): 3264

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.4623
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 497
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= 31

runsolver used 0.006998 second user time and 0.041993 second system time

The end

Launcher Data (download as text)

Begin job on node54 on Wed Apr 25 12:14:12 UTC 2007

IDJOB= 421383
IDBENCH= 20302
IDSOLVER= 188
FILE ID= node54/421383-1177503252

PBS_JOBID= 4685772

Free space on /tmp= 66339 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1679085272-10-SAT.cnf
COMMAND LINE= /tmp/evaluation/421383-1177503252/minisat_noassertions /tmp/evaluation/421383-1177503252/instance-421383-1177503252.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node54/watcher-421383-1177503252 -o ROOT/results/node54/solver-421383-1177503252 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421383-1177503252/minisat_noassertions /tmp/evaluation/421383-1177503252/instance-421383-1177503252.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  9f390533642969c6fa22110646f07992

RANDOM SEED= 756814458

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:       1684056 kB
Buffers:         41384 kB
Cached:         250352 kB
SwapCached:       4132 kB
Active:          83048 kB
Inactive:       218616 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1684056 kB
SwapTotal:     4192956 kB
SwapFree:      4182160 kB
Dirty:            1556 kB
Writeback:           0 kB
Mapped:          15824 kB
Slab:            56088 kB
Committed_AS:  2305260 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= 66339 MiB

End job on node54 on Wed Apr 25 12:14:24 UTC 2007