Trace number 310899

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
SAT7 2007-02-08SAT 105.195 105.343

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)

0.00/0.01	c Starting solver ...
0.00/0.02	c Restarting after 102 conflicts
0.00/0.04	c Restarting after 253 conflicts
0.00/0.06	c Restarting after 478 conflicts
0.00/0.10	c Restarting after 815 conflicts
0.10/0.16	c Restarting after 1321 conflicts
0.20/0.26	c Restarting after 2080 conflicts
0.30/0.40	c Restarting after 3220 conflicts
0.61/0.63	c Restarting after 4928 conflicts
0.92/0.97	c Restarting after 7490 conflicts
1.43/1.51	c Restarting after 11335 conflicts
2.25/2.34	c Restarting after 17103 conflicts
3.58/3.63	c Restarting after 25754 conflicts
5.53/5.62	c Restarting after 38729 conflicts
8.60/8.70	c Restarting after 58190 conflicts
13.41/13.45	c Restarting after 87383 conflicts
20.78/20.80	c Restarting after 131172 conflicts
31.74/31.80	c Restarting after 196856 conflicts
48.94/49.04	c Restarting after 295383 conflicts
76.09/76.19	c Restarting after 443173 conflicts
105.17/105.22	s SATISFIABLE
105.17/105.22	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 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-1274 1275 -1276 -1277 1278 1279 -1280 -1281 1282 -1283 -1284 1285 1286 -1287 -1288 1289 -1290 -1291 -1292 -1293 -1294 -1295 
105.17/105.22	v 0

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-310899-1172562825 -o ROOT/results/node13/solver-310899-1172562825 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310899-1172562825/sat7_bin /tmp/evaluation/310899-1172562825/instance-310899-1172562825.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: 0.86 0.97 0.99 3/77 24161
/proc/meminfo: memFree=1714800/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=1256 CPUtime=0
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 164 0 0 0 0 0 0 0 18 0 1 0 276236993 1286144 147 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134547008 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 314 147 87 220 0 91 0

[startup+0.106861 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 24161
/proc/meminfo: memFree=1714800/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=1660 CPUtime=0.1
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 268 0 0 0 10 0 0 0 18 0 1 0 276236993 1699840 251 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134558961 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 415 251 95 220 0 192 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1660

[startup+0.514914 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 24161
/proc/meminfo: memFree=1714800/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=2176 CPUtime=0.51
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 338 0 0 0 51 0 0 0 22 0 1 0 276236993 2228224 321 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134536768 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 544 321 95 220 0 321 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2176

[startup+1.33502 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1713768/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=2176 CPUtime=1.33
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 374 0 0 0 133 0 0 0 25 0 1 0 276236993 2228224 357 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134539875 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 544 357 95 220 0 321 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 2176

[startup+2.97124 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1713448/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=3204 CPUtime=2.96
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 424 0 0 0 296 0 0 0 25 0 1 0 276236993 3280896 407 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134536837 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 801 407 95 220 0 578 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 3204

[startup+6.25368 s]
/proc/loadavg: 0.87 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1713064/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=3204 CPUtime=6.24
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 496 0 0 0 624 0 0 0 25 0 1 0 276236993 3280896 479 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532419 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 801 479 95 220 0 578 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 3204

[startup+12.7106 s]
/proc/loadavg: 0.88 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1712688/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=3336 CPUtime=12.7
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 568 0 0 0 1270 0 0 0 25 0 1 0 276236993 3416064 551 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532903 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 834 551 95 220 0 611 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 3336

[startup+25.5133 s]
/proc/loadavg: 0.91 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1712304/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=3336 CPUtime=25.5
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 668 0 0 0 2550 0 0 0 25 0 1 0 276236993 3416064 651 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134533279 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 834 651 95 220 0 611 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 3336

[startup+51.1237 s]
/proc/loadavg: 0.94 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1711728/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=5788 CPUtime=51.09
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 794 0 0 0 5109 0 0 0 25 0 1 0 276236993 5926912 777 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 1447 777 95 220 0 1224 0
Current children cumulated CPU time (s) 51.09
Current children cumulated vsize (KiB) 5788

[startup+102.34 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1711024/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=6052 CPUtime=102.3
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 972 0 0 0 10229 1 0 0 25 0 1 0 276236993 6197248 955 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134536755 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 1513 955 95 220 0 1290 0
Current children cumulated CPU time (s) 102.3
Current children cumulated vsize (KiB) 6052

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

[startup+103.262 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1710960/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=6052 CPUtime=103.22
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 973 0 0 0 10321 1 0 0 25 0 1 0 276236993 6197248 956 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134559005 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 1513 956 95 220 0 1290 0
Current children cumulated CPU time (s) 103.22
Current children cumulated vsize (KiB) 6052

[startup+104.082 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1710960/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=6052 CPUtime=104.04
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 975 0 0 0 10403 1 0 0 25 0 1 0 276236993 6197248 958 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134531383 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 1513 958 95 220 0 1290 0
Current children cumulated CPU time (s) 104.04
Current children cumulated vsize (KiB) 6052

[startup+104.902 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1710960/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=6052 CPUtime=104.86
/proc/24161/stat : 24161 (sat7_bin) R 24159 24161 23333 0 -1 4194304 975 0 0 0 10485 1 0 0 25 0 1 0 276236993 6197248 958 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532419 0 0 4096 0 0 0 0 17 1 0 0
/proc/24161/statm: 1513 958 95 220 0 1290 0
Current children cumulated CPU time (s) 104.86
Current children cumulated vsize (KiB) 6052

[startup+105.31 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 24162
/proc/meminfo: memFree=1710960/2055920 swapFree=4192812/4192956
[pid=24161] ppid=24159 vsize=0 CPUtime=105.19
/proc/24161/stat : 24161 (sat7_bin) D 24159 24161 23333 0 -1 4194308 980 0 0 0 10518 1 0 0 25 0 1 0 276236993 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 18446744072100051646 0 0 17 1 0 0
/proc/24161/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 105.19
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 105.343
CPU time (s): 105.195
CPU user time (s): 105.18
CPU system time (s): 0.014997
CPU usage (%): 99.8595
Max. virtual memory (cumulated for all children) (KiB): 6052

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 105.18
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 980
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= 2184

runsolver used 0.092985 second user time and 0.25796 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Tue Feb 27 07:53:45 UTC 2007

IDJOB= 310899
IDBENCH= 20299
IDSOLVER= 101
FILE ID= node13/310899-1172562825

PBS_JOBID= 3971661

Free space on /tmp= 66555 MiB

SOLVER NAME= SAT7 2007-02-08
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/310899-1172562825/sat7_bin /tmp/evaluation/310899-1172562825/instance-310899-1172562825.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-310899-1172562825 -o ROOT/results/node13/solver-310899-1172562825 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310899-1172562825/sat7_bin /tmp/evaluation/310899-1172562825/instance-310899-1172562825.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  e5673a7c266f877ed2c58f7b531e89ad

RANDOM SEED= 105986211

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:       1715272 kB
Buffers:         42112 kB
Cached:         180724 kB
SwapCached:          0 kB
Active:         237856 kB
Inactive:        39532 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1715272 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1360 kB
Writeback:           0 kB
Mapped:          73472 kB
Slab:            48892 kB
Committed_AS:  1078512 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 07:55:31 UTC 2007