Trace number 310931

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
Spear 2007-02-12SAT 42.0196 42.0344

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1762612346-15-SAT.cnf
MD5SUMe5673a7c266f877ed2c58f7b531e89ad
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.052991
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 (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)          Spear theorem prover               (*) 
0.00/0.00	c (*)        Copyright (C) 2006,2007              (*) 
0.00/0.00	c (*)     Domagoj Babic. All rights reserved.     (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)     There is NO warranty, not even for      (*) 
0.00/0.00	c (*) merchantability or fitness for a particular (*) 
0.00/0.00	c (*)  purpose. Please run with --license to see  (*) 
0.00/0.00	c (*)              license details.               (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c 
0.00/0.00	c solving /tmp/evaluation/310931-1172562936/instance-310931-1172562936.cnf
41.97/42.03	s SATISFIABLE
41.97/42.03	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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1286 -1287 -1288 1289 -1290 -1291 -1292 1293 -1294 1295 0
41.97/42.03	c runtime 42.02 [s]

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/node68/watcher-310931-1172562936 -o ROOT/results/node68/solver-310931-1172562936 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310931-1172562936/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/310931-1172562936/instance-310931-1172562936.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: 0.94 1.05 1.02 3/64 700
/proc/meminfo: memFree=1809488/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=1704 CPUtime=0
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 226 0 0 0 0 0 0 0 18 0 1 0 276251230 1744896 210 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 134580748 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 426 210 128 302 0 121 0

[startup+0.106977 s]
/proc/loadavg: 0.94 1.05 1.02 3/64 700
/proc/meminfo: memFree=1809488/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=1964 CPUtime=0.1
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 309 0 0 0 10 0 0 0 18 0 1 0 276251230 2011136 293 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 491 293 141 302 0 186 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1964

[startup+0.515013 s]
/proc/loadavg: 0.94 1.05 1.02 3/64 700
/proc/meminfo: memFree=1809488/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=2500 CPUtime=0.5
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 440 0 0 0 50 0 0 0 21 0 1 0 276251230 2560000 424 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 625 424 141 302 0 320 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 2500

[startup+1.33509 s]
/proc/loadavg: 0.94 1.05 1.02 2/65 701
/proc/meminfo: memFree=1807688/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=3332 CPUtime=1.33
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 648 0 0 0 132 1 0 0 25 0 1 0 276251230 3411968 632 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 135258954 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 833 632 141 302 0 528 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3332

[startup+2.97424 s]
/proc/loadavg: 0.94 1.05 1.02 2/65 701
/proc/meminfo: memFree=1806600/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=4492 CPUtime=2.96
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 953 0 0 0 294 2 0 0 25 0 1 0 276251230 4599808 937 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 1123 937 141 302 0 818 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 4492

[startup+6.25058 s]
/proc/loadavg: 0.94 1.05 1.02 2/65 701
/proc/meminfo: memFree=1804688/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=6172 CPUtime=6.24
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 1383 0 0 0 620 4 0 0 25 0 1 0 276251230 6320128 1334 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 1543 1334 141 302 0 1238 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 6172

[startup+12.7071 s]
/proc/loadavg: 0.95 1.05 1.02 2/65 701
/proc/meminfo: memFree=1802320/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=8304 CPUtime=12.7
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 1913 0 0 0 1264 6 0 0 25 0 1 0 276251230 8503296 1864 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 134526818 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 2076 1864 141 302 0 1771 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 8304

[startup+25.6073 s]
/proc/loadavg: 0.96 1.05 1.02 2/65 701
/proc/meminfo: memFree=1800144/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=10628 CPUtime=25.59
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 2481 0 0 0 2550 9 0 0 25 0 1 0 276251230 10883072 2432 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 2657 2432 141 302 0 2352 0
Current children cumulated CPU time (s) 25.59
Current children cumulated vsize (KiB) 10628

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

[startup+26.2243 s]
/proc/loadavg: 0.96 1.04 1.02 2/65 701
/proc/meminfo: memFree=1799888/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=11012 CPUtime=26.21
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 2579 0 0 0 2612 9 0 0 25 0 1 0 276251230 11276288 2465 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 2753 2465 141 302 0 2448 0
Current children cumulated CPU time (s) 26.21
Current children cumulated vsize (KiB) 11012

[startup+32.7809 s]
/proc/loadavg: 0.96 1.04 1.02 2/65 701
/proc/meminfo: memFree=1798160/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=12676 CPUtime=32.76
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 2996 0 0 0 3265 11 0 0 25 0 1 0 276251230 12980224 2882 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 3169 2882 141 302 0 2864 0
Current children cumulated CPU time (s) 32.76
Current children cumulated vsize (KiB) 12676

[startup+36.0532 s]
/proc/loadavg: 0.97 1.04 1.02 2/65 701
/proc/meminfo: memFree=1797520/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=13468 CPUtime=36.04
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 3144 0 0 0 3592 12 0 0 25 0 1 0 276251230 13791232 3030 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 3367 3030 141 302 0 3062 0
Current children cumulated CPU time (s) 36.04
Current children cumulated vsize (KiB) 13468

[startup+39.3325 s]
/proc/loadavg: 0.97 1.04 1.02 2/65 701
/proc/meminfo: memFree=1797072/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=14012 CPUtime=39.31
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 3305 0 0 0 3919 12 0 0 25 0 1 0 276251230 14348288 3191 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 3503 3191 141 302 0 3198 0
Current children cumulated CPU time (s) 39.31
Current children cumulated vsize (KiB) 14012

[startup+40.9727 s]
/proc/loadavg: 0.97 1.04 1.02 2/65 701
/proc/meminfo: memFree=1796624/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=14424 CPUtime=40.95
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 3379 0 0 0 4082 13 0 0 25 0 1 0 276251230 14770176 3265 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 3606 3265 141 302 0 3301 0
Current children cumulated CPU time (s) 40.95
Current children cumulated vsize (KiB) 14424

[startup+41.7928 s]
/proc/loadavg: 0.97 1.04 1.02 2/65 701
/proc/meminfo: memFree=1796368/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=14552 CPUtime=41.77
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 3437 0 0 0 4164 13 0 0 25 0 1 0 276251230 14901248 3323 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 3638 3323 141 302 0 3333 0
Current children cumulated CPU time (s) 41.77
Current children cumulated vsize (KiB) 14552

[startup+41.9968 s]
/proc/loadavg: 0.97 1.04 1.02 2/65 701
/proc/meminfo: memFree=1796368/2055920 swapFree=4183020/4192956
[pid=700] ppid=698 vsize=14680 CPUtime=41.97
/proc/700/stat : 700 (Spear-32) R 698 700 556 0 -1 4194304 3452 0 0 0 4184 13 0 0 25 0 1 0 276251230 15032320 3338 18446744073709551615 134512640 135752790 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/700/statm: 3670 3338 141 302 0 3365 0
Current children cumulated CPU time (s) 41.97
Current children cumulated vsize (KiB) 14680

Child status: 10
Real time (s): 42.0344
CPU time (s): 42.0196
CPU user time (s): 41.8836
CPU system time (s): 0.135979
CPU usage (%): 99.9647
Max. virtual memory (cumulated for all children) (KiB): 14680

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 41.8836
system time used= 0.135979
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3481
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= 9
involuntary context switches= 60

runsolver used 0.029995 second user time and 0.091986 second system time

The end

Launcher Data (download as text)

Begin job on node68 on Tue Feb 27 07:55:36 UTC 2007

IDJOB= 310931
IDBENCH= 20299
IDSOLVER= 133
FILE ID= node68/310931-1172562936

PBS_JOBID= 3971888

Free space on /tmp= 66559 MiB

SOLVER NAME= Spear 2007-02-12
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1762612346-15-SAT.cnf
COMMAND LINE= /tmp/evaluation/310931-1172562936/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/310931-1172562936/instance-310931-1172562936.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node68/watcher-310931-1172562936 -o ROOT/results/node68/solver-310931-1172562936 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310931-1172562936/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/310931-1172562936/instance-310931-1172562936.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  e5673a7c266f877ed2c58f7b531e89ad

RANDOM SEED= 112542391

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node68.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:       1809896 kB
Buffers:         31376 kB
Cached:         166956 kB
SwapCached:       4308 kB
Active:         109568 kB
Inactive:        98704 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1809896 kB
SwapTotal:     4192956 kB
SwapFree:      4183020 kB
Dirty:            1596 kB
Writeback:           0 kB
Mapped:          15188 kB
Slab:            23784 kB
Committed_AS:   726568 kB
PageTables:       1380 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= 66559 MiB

End job on node68 on Tue Feb 27 07:56:18 UTC 2007