Trace number 1540538

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 2.69559 1.4344

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S136987316-008.cnf
MD5SUMf6ddf1b0f08bcc31521c4b74db5ce22f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.330948
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 
2.64/1.42	s SATISFIABLE
2.64/1.42	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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2.64/1.42	c Done in 2.320000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1540538-1238434080/watcher-1540538-1238434080 -o /tmp/evaluation-result-1540538-1238434080/solver-1540538-1238434080 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1540538-1238434080.cnf 119799299 2 

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): 1800 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: 1.00 1.00 1.00 3/64 18326
/proc/meminfo: memFree=1053752/2055920 swapFree=4176444/4192956
[pid=18326] ppid=18324 vsize=509152 CPUtime=0
/proc/18326/stat : 18326 (gnovelty+) R 18324 18326 18040 0 -1 4194304 1163 0 0 0 0 0 0 0 20 0 1 0 1116073346 521371648 1148 1992294400 134512640 135680988 4294956192 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/18326/statm: 127288 1156 102 285 0 127000 0

[startup+0.0569561 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 18326
/proc/meminfo: memFree=1053752/2055920 swapFree=4176444/4192956
[pid=18326] ppid=18324 vsize=516968 CPUtime=0.04
/proc/18326/stat : 18326 (gnovelty+) R 18324 18326 18040 0 -1 4194304 9925 0 0 0 1 3 0 0 20 0 1 0 1116073346 529375232 9910 1992294400 134512640 135680988 4294956192 18446744073709551615 134535337 0 0 4096 0 0 0 0 17 1 0 0
/proc/18326/statm: 129242 9910 102 285 0 128954 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 516968

[startup+0.101962 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 18326
/proc/meminfo: memFree=1053752/2055920 swapFree=4176444/4192956
[pid=18326] ppid=18324 vsize=516964 CPUtime=0.09
/proc/18326/stat : 18326 (gnovelty+) R 18324 18326 18040 0 -1 4194304 14637 0 0 0 4 5 0 0 20 0 1 0 1116073346 529371136 14621 1992294400 134512640 135680988 4294956192 18446744073709551615 134537779 0 0 4096 0 0 0 0 17 1 0 0
/proc/18326/statm: 129241 14626 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

[startup+0.301981 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 18326
/proc/meminfo: memFree=1053752/2055920 swapFree=4176444/4192956
[pid=18326] ppid=18324 vsize=529740 CPUtime=0.44
/proc/18326/stat : 18326 (gnovelty+) R 18324 18326 18040 0 -1 4194304 19938 0 0 0 35 9 0 0 17 0 2 0 1116073346 542453760 19922 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/18326/statm: 132435 19922 106 285 0 132147 0
Current children cumulated CPU time (s) 0.44
Current children cumulated vsize (KiB) 529740

[startup+0.702022 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 18326
/proc/meminfo: memFree=1053752/2055920 swapFree=4176444/4192956
[pid=18326] ppid=18324 vsize=529740 CPUtime=1.24
/proc/18326/stat : 18326 (gnovelty+) R 18324 18326 18040 0 -1 4194304 19938 0 0 0 108 16 0 0 16 0 2 0 1116073346 542453760 19922 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/18326/statm: 132435 19922 106 285 0 132147 0
Current children cumulated CPU time (s) 1.24
Current children cumulated vsize (KiB) 529740

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

[startup+1.10506 s]
/proc/loadavg: 1.00 1.00 1.00 3/66 18328
/proc/meminfo: memFree=974312/2055920 swapFree=4176444/4192956
[pid=18326] ppid=18324 vsize=529740 CPUtime=2.04
/proc/18326/stat : 18326 (gnovelty+) R 18324 18326 18040 0 -1 4194304 19938 0 0 0 182 22 0 0 16 0 2 0 1116073346 542453760 19922 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/18326/statm: 132435 19922 106 285 0 132147 0
[pid=18326/tid=18328] ppid=18324 vsize=529740 CPUtime=0.93
/proc/18326/task/18328/stat : 18328 (gnovelty+) R 18324 18326 18040 0 -1 4194368 54 0 0 0 86 7 0 0 16 0 2 0 1116073361 542453760 19922 1992294400 134512640 135680988 4294956192 18446744073709551615 134541697 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 2.04
Current children cumulated vsize (KiB) 529740

[startup+1.30108 s]
/proc/loadavg: 1.00 1.00 1.00 3/66 18328
/proc/meminfo: memFree=974312/2055920 swapFree=4176444/4192956
[pid=18326] ppid=18324 vsize=529740 CPUtime=2.43
/proc/18326/stat : 18326 (gnovelty+) R 18324 18326 18040 0 -1 4194304 19938 0 0 0 217 26 0 0 16 0 2 0 1116073346 542453760 19922 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/18326/statm: 132435 19922 106 285 0 132147 0
[pid=18326/tid=18328] ppid=18324 vsize=529740 CPUtime=1.13
/proc/18326/task/18328/stat : 18328 (gnovelty+) R 18324 18326 18040 0 -1 4194368 54 0 0 0 104 9 0 0 16 0 2 0 1116073361 542453760 19922 1992294400 134512640 135680988 4294956192 18446744073709551615 134533263 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 2.43
Current children cumulated vsize (KiB) 529740

[startup+1.4011 s]
/proc/loadavg: 1.00 1.00 1.00 3/66 18328
/proc/meminfo: memFree=974312/2055920 swapFree=4176444/4192956
[pid=18326] ppid=18324 vsize=529740 CPUtime=2.64
/proc/18326/stat : 18326 (gnovelty+) R 18324 18326 18040 0 -1 4194304 19938 0 0 0 236 28 0 0 16 0 2 0 1116073346 542453760 19922 1992294400 134512640 135680988 4294956192 18446744073709551615 134957422 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/18326/statm: 132435 19922 106 285 0 132147 0
[pid=18326/tid=18328] ppid=18324 vsize=529740 CPUtime=1.23
/proc/18326/task/18328/stat : 18328 (gnovelty+) R 18324 18326 18040 0 -1 4194368 54 0 0 0 113 10 0 0 16 0 2 0 1116073361 542453760 19922 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 2.64
Current children cumulated vsize (KiB) 529740

Child status: 10
Real time (s): 1.4344
CPU time (s): 2.69559
CPU user time (s): 2.39664
CPU system time (s): 0.298954
CPU usage (%): 187.924
Max. virtual memory (cumulated for all children) (KiB): 529740

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.39663
system time used= 0.298954
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19953
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= 351
involuntary context switches= 14

runsolver used 0.006998 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node27 at 2009-03-30 19:28:00
IDJOB=1540538
IDBENCH=70286
IDSOLVER=550
FILE ID=node27/1540538-1238434080
PBS_JOBID= 9061568
Free space on /tmp= 65720 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S136987316-008.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1540538-1238434080/watcher-1540538-1238434080 -o /tmp/evaluation-result-1540538-1238434080/solver-1540538-1238434080 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1540538-1238434080.cnf 119799299 2

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 2

MD5SUM BENCH= f6ddf1b0f08bcc31521c4b74db5ce22f
RANDOM SEED=119799299

node27.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		: 2800.196
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	: 5521.40
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		: 2800.196
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:       1054168 kB
Buffers:         86536 kB
Cached:         813880 kB
SwapCached:       9492 kB
Active:         100620 kB
Inactive:       810984 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1054168 kB
SwapTotal:     4192956 kB
SwapFree:      4176444 kB
Dirty:            1548 kB
Writeback:           0 kB
Mapped:          16828 kB
Slab:            75964 kB
Committed_AS:  2870304 kB
PageTables:       1380 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 65716 MiB
End job on node27 at 2009-03-30 19:28:01