Trace number 428068

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
DEWSATZ 2007-04-26 (fixed)SAT 14.4738 14.4812

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)

14.39/14.47	c   
14.39/14.47	c =====================================================================================================
14.39/14.47	c Copyright (c) 2004 National ICT Australia Limited (NICTA) and applicable third parties.
14.39/14.47	c For details, see the Australian Public Licence B (OZPLB) V1-1, under which this software is licensed.
14.39/14.47	c The OZPLB text is embedded in the source code for this software.
14.39/14.47	c =====================================================================================================
14.39/14.47	c   
14.39/14.47	c solution of dewSatz.c 
14.39/14.47	s SATISFIABLE
14.39/14.47	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 -236 237 238 239 240 241 242 243 244 245 246 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14.39/14.47	c dewSatz /tmp/evaluation/428068-1177700937/instance-428068-1177700937.cnf 1 14.460  0.030 748 748 0 748 763 5274822 145643 1043308 108291 4056 4056 1295 0 1295

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-428068-1177700937 -o ROOT/results/node54/solver-428068-1177700937 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/428068-1177700937/dewSatz_fixed /tmp/evaluation/428068-1177700937/instance-428068-1177700937.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: 0.96 0.97 0.99 3/66 3068
/proc/meminfo: memFree=1440832/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690016 CPUtime=0
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 97 0 0 0 0 0 0 0 18 0 1 0 217468154 706576384 82 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134574795 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172504 82 39 100 0 172401 0

[startup+0.047993 s]
/proc/loadavg: 0.96 0.97 0.99 3/66 3068
/proc/meminfo: memFree=1440832/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=0.04
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 9933 0 0 0 3 1 0 0 18 0 1 0 217468154 706854912 144 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134520915 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 144 40 100 0 172469 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 690288

[startup+0.101999 s]
/proc/loadavg: 0.96 0.97 0.99 3/66 3068
/proc/meminfo: memFree=1440832/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=0.09
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10002 0 0 0 8 1 0 0 18 0 1 0 217468154 706854912 211 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134531653 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 211 43 100 0 172469 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 690288

[startup+0.302024 s]
/proc/loadavg: 0.96 0.97 0.99 3/66 3068
/proc/meminfo: memFree=1440832/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=0.29
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10005 0 0 0 28 1 0 0 19 0 1 0 217468154 706854912 214 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134526911 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 214 43 100 0 172469 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 690288

[startup+0.701075 s]
/proc/loadavg: 0.96 0.97 0.99 3/66 3068
/proc/meminfo: memFree=1440832/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=0.69
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10005 0 0 0 68 1 0 0 23 0 1 0 217468154 706854912 214 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134531328 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 214 43 100 0 172469 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 690288

[startup+1.50118 s]
/proc/loadavg: 0.96 0.97 0.99 2/67 3069
/proc/meminfo: memFree=1439928/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=1.49
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10007 0 0 0 148 1 0 0 25 0 1 0 217468154 706854912 216 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134532344 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 216 43 100 0 172469 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 690288

[startup+3.10138 s]
/proc/loadavg: 0.96 0.97 0.99 2/67 3069
/proc/meminfo: memFree=1439736/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=3.09
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10009 0 0 0 308 1 0 0 25 0 1 0 217468154 706854912 218 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134533323 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 218 43 100 0 172469 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 690288

[startup+6.30179 s]
/proc/loadavg: 0.96 0.97 0.99 2/67 3069
/proc/meminfo: memFree=1439736/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=6.29
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10010 0 0 0 628 1 0 0 25 0 1 0 217468154 706854912 219 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134532637 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 219 43 100 0 172469 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 690288

[startup+12.7026 s]
/proc/loadavg: 0.97 0.97 0.99 2/67 3069
/proc/meminfo: memFree=1439608/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=12.69
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10010 0 0 0 1268 1 0 0 25 0 1 0 217468154 706854912 219 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134526771 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 219 43 100 0 172469 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 690288

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

[startup+13.5017 s]
/proc/loadavg: 0.97 0.97 0.99 2/67 3069
/proc/meminfo: memFree=1439608/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=13.49
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10010 0 0 0 1348 1 0 0 25 0 1 0 217468154 706854912 219 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134529740 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 219 43 100 0 172469 0
Current children cumulated CPU time (s) 13.49
Current children cumulated vsize (KiB) 690288

[startup+13.9018 s]
/proc/loadavg: 0.97 0.97 0.99 2/67 3069
/proc/meminfo: memFree=1439608/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=13.89
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10010 0 0 0 1388 1 0 0 25 0 1 0 217468154 706854912 219 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134532628 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 219 43 100 0 172469 0
Current children cumulated CPU time (s) 13.89
Current children cumulated vsize (KiB) 690288

[startup+14.3058 s]
/proc/loadavg: 0.97 0.97 0.99 2/67 3069
/proc/meminfo: memFree=1439608/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=14.29
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10010 0 0 0 1428 1 0 0 25 0 1 0 217468154 706854912 219 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134530829 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 219 43 100 0 172469 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 690288

[startup+14.4018 s]
/proc/loadavg: 0.97 0.97 0.99 2/67 3069
/proc/meminfo: memFree=1439608/2055920 swapFree=4182164/4192956
[pid=3068] ppid=3066 vsize=690288 CPUtime=14.39
/proc/3068/stat : 3068 (dewSatz_fixed) R 3066 3068 2194 0 -1 4194304 10010 0 0 0 1438 1 0 0 25 0 1 0 217468154 706854912 219 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134532505 0 0 4096 0 0 0 0 17 1 0 0
/proc/3068/statm: 172572 219 43 100 0 172469 0
Current children cumulated CPU time (s) 14.39
Current children cumulated vsize (KiB) 690288

Child status: 10
Real time (s): 14.4812
CPU time (s): 14.4738
CPU user time (s): 14.4588
CPU system time (s): 0.014997
CPU usage (%): 99.9489
Max. virtual memory (cumulated for all children) (KiB): 690288

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 14.4588
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= 10025
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= 33

runsolver used 0.013997 second user time and 0.046992 second system time

The end

Launcher Data (download as text)

Begin job on node54 on Fri Apr 27 19:08:57 UTC 2007

IDJOB= 428068
IDBENCH= 20299
IDSOLVER= 197
FILE ID= node54/428068-1177700937

PBS_JOBID= 4698688

Free space on /tmp= 66475 MiB

SOLVER NAME= DEWSATZ 2007-04-26 (fixed)
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/428068-1177700937/dewSatz_fixed /tmp/evaluation/428068-1177700937/instance-428068-1177700937.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node54/watcher-428068-1177700937 -o ROOT/results/node54/solver-428068-1177700937 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/428068-1177700937/dewSatz_fixed /tmp/evaluation/428068-1177700937/instance-428068-1177700937.cnf

META MD5SUM SOLVER= 7386eb54c3fac2d8e6ad9191fdd25a76
MD5SUM BENCH=  e5673a7c266f877ed2c58f7b531e89ad

RANDOM SEED= 835788152

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:       1441304 kB
Buffers:         54800 kB
Cached:         476708 kB
SwapCached:       4128 kB
Active:         232336 kB
Inactive:       309340 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1441304 kB
SwapTotal:     4192956 kB
SwapFree:      4182164 kB
Dirty:            1424 kB
Writeback:           0 kB
Mapped:          16036 kB
Slab:            58892 kB
Committed_AS:  2355700 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= 66475 MiB

End job on node54 on Fri Apr 27 19:09:11 UTC 2007