Trace number 1783015

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
gNovelty+-T 2009-03-22SAT 3.82442 3.8246

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1337875718-086.cnf
MD5SUM05f00f0c3f7e171627ff97eb0175accd
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.501923
Satisfiable
(Un)Satisfiability was proved
Number of variables2000
Number of clauses8400
Sum of the clauses size25200
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 38400
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.09/0.15	c +------------------------------+
0.09/0.15	c | gNovelty+, version 1.0       |
0.09/0.15	c +------------------------------+
0.09/0.15	c gnovelty+ -h for help
0.09/0.15	c 
3.79/3.81	s SATISFIABLE
3.79/3.81	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 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3.79/3.81	c Done in 3.650000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1783015-1241717349/watcher-1783015-1241717349 -o /tmp/evaluation-result-1783015-1241717349/solver-1783015-1241717349 -C 5000 -W 6000 -M 1800 HOME/gnovelty+ HOME/instance-1783015-1241717349.cnf 2128658595 0 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27855
/proc/meminfo: memFree=1557184/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=509152 CPUtime=0
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 1000 0 0 0 0 0 0 0 18 0 1 0 199768874 521371648 985 1992294400 134512640 135680988 4294956208 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 127288 993 102 285 0 127000 0

[startup+0.0742771 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27855
/proc/meminfo: memFree=1557184/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=516964 CPUtime=0.07
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 11316 0 0 0 2 5 0 0 18 0 1 0 199768874 529371136 11300 1992294400 134512640 135680988 4294956208 18446744073709551615 134537779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129241 11306 102 285 0 128953 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 516964

[startup+0.101281 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27855
/proc/meminfo: memFree=1557184/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=516964 CPUtime=0.09
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 14571 0 0 0 3 6 0 0 18 0 1 0 199768874 529371136 14556 1992294400 134512640 135680988 4294956208 18446744073709551615 134537779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129241 14560 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

[startup+0.301314 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27855
/proc/meminfo: memFree=1557184/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=518212 CPUtime=0.29
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 19859 0 0 0 20 9 0 0 19 0 1 0 199768874 530649088 19843 1992294400 134512640 135680988 4294956208 18446744073709551615 134533068 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129553 19843 104 285 0 129265 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 518212

[startup+0.701386 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27855
/proc/meminfo: memFree=1557184/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=518212 CPUtime=0.69
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 19859 0 0 0 60 9 0 0 22 0 1 0 199768874 530649088 19843 1992294400 134512640 135680988 4294956208 18446744073709551615 134533925 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129553 19843 104 285 0 129265 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 518212

[startup+1.50153 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27856
/proc/meminfo: memFree=1478008/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=518212 CPUtime=1.49
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 19859 0 0 0 140 9 0 0 25 0 1 0 199768874 530649088 19843 1992294400 134512640 135680988 4294956208 18446744073709551615 134545694 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129553 19843 104 285 0 129265 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 518212

[startup+3.10181 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27856
/proc/meminfo: memFree=1477880/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=518212 CPUtime=3.09
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 19859 0 0 0 300 9 0 0 25 0 1 0 199768874 530649088 19843 1992294400 134512640 135680988 4294956208 18446744073709551615 134535107 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129553 19843 104 285 0 129265 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 518212

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

[startup+3.50188 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27856
/proc/meminfo: memFree=1477880/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=518212 CPUtime=3.49
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 19859 0 0 0 340 9 0 0 25 0 1 0 199768874 530649088 19843 1992294400 134512640 135680988 4294956208 18446744073709551615 134533068 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129553 19843 104 285 0 129265 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 518212

[startup+3.70191 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27856
/proc/meminfo: memFree=1477880/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=518212 CPUtime=3.69
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 19859 0 0 0 360 9 0 0 25 0 1 0 199768874 530649088 19843 1992294400 134512640 135680988 4294956208 18446744073709551615 134546264 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129553 19843 104 285 0 129265 0
Current children cumulated CPU time (s) 3.69
Current children cumulated vsize (KiB) 518212

[startup+3.80193 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27856
/proc/meminfo: memFree=1477880/2055920 swapFree=4180800/4192956
[pid=27855] ppid=27853 vsize=518212 CPUtime=3.79
/proc/27855/stat : 27855 (gnovelty+) R 27853 27855 27656 0 -1 4194304 19859 0 0 0 370 9 0 0 25 0 1 0 199768874 530649088 19843 1992294400 134512640 135680988 4294956208 18446744073709551615 134533447 0 0 4096 0 0 0 0 17 1 0 0
/proc/27855/statm: 129553 19843 104 285 0 129265 0
Current children cumulated CPU time (s) 3.79
Current children cumulated vsize (KiB) 518212

Child status: 10
Real time (s): 3.8246
CPU time (s): 3.82442
CPU user time (s): 3.71843
CPU system time (s): 0.105983
CPU usage (%): 99.9951
Max. virtual memory (cumulated for all children) (KiB): 518212

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.71843
system time used= 0.105983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19875
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= 2
involuntary context switches= 13

runsolver used 0.003999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node4 at 2009-05-07 19:29:09
IDJOB=1783015
IDBENCH=70287
IDSOLVER=636
FILE ID=node4/1783015-1241717349
PBS_JOBID= 9264392
Free space on /tmp= 66188 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1337875718-086.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1783015-1241717349/watcher-1783015-1241717349 -o /tmp/evaluation-result-1783015-1241717349/solver-1783015-1241717349 -C 5000 -W 6000 -M 1800  HOME/gnovelty+ HOME/instance-1783015-1241717349.cnf 2128658595 0

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 05f00f0c3f7e171627ff97eb0175accd
RANDOM SEED=2128658595

node4.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.265
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		: 3000.265
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:       1557664 kB
Buffers:         34248 kB
Cached:         409508 kB
SwapCached:       6540 kB
Active:         259460 kB
Inactive:       192688 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1557664 kB
SwapTotal:     4192956 kB
SwapFree:      4180800 kB
Dirty:            1792 kB
Writeback:           0 kB
Mapped:          13476 kB
Slab:            32032 kB
Committed_AS:   890436 kB
PageTables:       1468 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= 66188 MiB
End job on node4 at 2009-05-07 19:29:13