Trace number 310930

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 FH 1.0SAT 54.4497 54.468

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/310930-1172562932/instance-310930-1172562932.cnf
54.38/54.46	s SATISFIABLE
54.38/54.46	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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1288 -1289 -1290 -1291 -1292 1293 -1294 1295 0
54.38/54.46	c runtime 54.44 [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/node13/watcher-310930-1172562932 -o ROOT/results/node13/solver-310930-1172562932 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310930-1172562932/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs /tmp/evaluation/310930-1172562932/instance-310930-1172562932.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: 0.97 0.97 0.99 3/77 24200
/proc/meminfo: memFree=1714360/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=1708 CPUtime=0
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 226 0 0 0 0 0 0 0 18 0 1 0 276247680 1748992 210 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134800124 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 427 210 128 302 0 122 0

[startup+0.106587 s]
/proc/loadavg: 0.97 0.97 0.99 3/77 24200
/proc/meminfo: memFree=1714360/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=1972 CPUtime=0.1
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 312 0 0 0 10 0 0 0 18 0 1 0 276247680 2019328 296 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 493 296 140 302 0 188 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1972

[startup+0.514641 s]
/proc/loadavg: 0.97 0.97 0.99 3/77 24200
/proc/meminfo: memFree=1714360/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=2488 CPUtime=0.5
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 452 0 0 0 50 0 0 0 22 0 1 0 276247680 2547712 436 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 622 436 140 302 0 317 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 2488

[startup+1.33475 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1712496/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=3404 CPUtime=1.33
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 666 0 0 0 132 1 0 0 25 0 1 0 276247680 3485696 650 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 851 650 140 302 0 546 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3404

[startup+2.97097 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1711472/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=4584 CPUtime=2.96
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 960 0 0 0 294 2 0 0 25 0 1 0 276247680 4694016 944 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 1146 944 140 302 0 841 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 4584

[startup+6.2474 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1709496/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=6140 CPUtime=6.23
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 1364 0 0 0 619 4 0 0 25 0 1 0 276247680 6287360 1348 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 1535 1348 140 302 0 1230 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 6140

[startup+12.7063 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1707128/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=8508 CPUtime=12.69
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 1947 0 0 0 1263 6 0 0 25 0 1 0 276247680 8712192 1898 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 2127 1898 140 302 0 1822 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8508

[startup+25.513 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1703864/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=12028 CPUtime=25.49
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 2856 0 0 0 2539 10 0 0 25 0 1 0 276247680 12316672 2742 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134526818 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 3007 2742 140 302 0 2702 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 12028

[startup+51.1304 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1698552/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=17356 CPUtime=51.1
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 4157 0 0 0 5094 16 0 0 25 0 1 0 276247680 17772544 4043 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134526818 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 4339 4043 140 302 0 4034 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 17356

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

[startup+52.4626 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1698296/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=17612 CPUtime=52.44
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 4226 0 0 0 5227 17 0 0 25 0 1 0 276247680 18034688 4112 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134526962 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 4403 4112 140 302 0 4098 0
Current children cumulated CPU time (s) 52.44
Current children cumulated vsize (KiB) 17612

[startup+53.2827 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1698104/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=17740 CPUtime=53.26
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 4268 0 0 0 5309 17 0 0 25 0 1 0 276247680 18165760 4154 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134526843 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 4435 4154 140 302 0 4130 0
Current children cumulated CPU time (s) 53.26
Current children cumulated vsize (KiB) 17740

[startup+54.0988 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1697848/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=17868 CPUtime=54.07
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 4313 0 0 0 5390 17 0 0 25 0 1 0 276247680 18296832 4199 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 4467 4199 140 302 0 4162 0
Current children cumulated CPU time (s) 54.07
Current children cumulated vsize (KiB) 17868

[startup+54.3068 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1697848/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=18000 CPUtime=54.28
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 4323 0 0 0 5411 17 0 0 25 0 1 0 276247680 18432000 4209 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 4500 4209 140 302 0 4195 0
Current children cumulated CPU time (s) 54.28
Current children cumulated vsize (KiB) 18000

[startup+54.4088 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 24201
/proc/meminfo: memFree=1697848/2055920 swapFree=4192812/4192956
[pid=24200] ppid=24198 vsize=18000 CPUtime=54.38
/proc/24200/stat : 24200 (Spear-32) R 24198 24200 23333 0 -1 4194304 4327 0 0 0 5421 17 0 0 25 0 1 0 276247680 18432000 4213 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24200/statm: 4500 4213 140 302 0 4195 0
Current children cumulated CPU time (s) 54.38
Current children cumulated vsize (KiB) 18000

Child status: 10
Real time (s): 54.468
CPU time (s): 54.4497
CPU user time (s): 54.2698
CPU system time (s): 0.179972
CPU usage (%): 99.9664
Max. virtual memory (cumulated for all children) (KiB): 18000

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 54.2697
system time used= 0.179972
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4355
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= 10
involuntary context switches= 1131

runsolver used 0.069989 second user time and 0.12998 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Tue Feb 27 07:55:32 UTC 2007

IDJOB= 310930
IDBENCH= 20299
IDSOLVER= 132
FILE ID= node13/310930-1172562932

PBS_JOBID= 3971661

Free space on /tmp= 66555 MiB

SOLVER NAME= Spear FH 1.0
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/310930-1172562932/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs  /tmp/evaluation/310930-1172562932/instance-310930-1172562932.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-310930-1172562932 -o ROOT/results/node13/solver-310930-1172562932 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310930-1172562932/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs  /tmp/evaluation/310930-1172562932/instance-310930-1172562932.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  e5673a7c266f877ed2c58f7b531e89ad

RANDOM SEED= 120332363

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.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		: 3000.236
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		: 3000.236
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:       1714832 kB
Buffers:         42128 kB
Cached:         181116 kB
SwapCached:          0 kB
Active:         238252 kB
Inactive:        39564 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1714832 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1696 kB
Writeback:           0 kB
Mapped:          73472 kB
Slab:            48884 kB
Committed_AS:  1078528 kB
PageTables:       1744 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= 66555 MiB

End job on node13 on Tue Feb 27 07:56:27 UTC 2007