Trace number 1628639

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+2 2009-03-22SAT 4.41333 4.41542

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S7007454-009.cnf
MD5SUM648c8d820b622b84f63b74fa018c43ab
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.367943
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 

0.00/0.01	c +------------------------------+
0.00/0.01	c | gNovelty+, version 2.0       |
0.00/0.01	c +------------------------------+
0.00/0.01	c gnovelty+ -h for help
0.00/0.01	c 
0.00/0.01	c Problem instance: numAtoms = 2000, numClauses = 8400
0.00/0.01	c General parameters: seed = 125828313, timeout = 10 secs, targetCost = 0, print solution: no
0.00/0.01	c gNovelty+ parameters: walkprob = 0.01, smoothprob = 0.40, noise = adaptive
0.00/0.01	c tries = 1
0.00/0.01	c 
4.39/4.41	c      0  2313016         0   2313016    524352      4.39
4.39/4.41	s SATISFIABLE
4.39/4.41	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 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4.39/4.41	c Done in 4.390000 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-1628639-1240018066/watcher-1628639-1240018066 -o /tmp/evaluation-result-1628639-1240018066/solver-1628639-1240018066 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/gnovelty+2 HOME/instance-1628639-1240018066.cnf 125828313 

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
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 3/65 20881
/proc/meminfo: memFree=1453704/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1017856 CPUtime=0
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 165 0 0 0 0 0 0 0 18 0 1 0 29839744 1042284544 149 1992294400 134512640 135663704 4294956224 18446744073709551615 135160590 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254464 149 96 281 0 254180 0

[startup+0.0848351 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 20881
/proc/meminfo: memFree=1453704/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=0.08
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 8 0 0 0 18 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 134524775 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1018136

[startup+0.101836 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 20881
/proc/meminfo: memFree=1453704/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=0.09
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 9 0 0 0 18 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 134544259 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1018136

[startup+0.301858 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 20881
/proc/meminfo: memFree=1453704/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=0.29
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 29 0 0 0 19 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 134525506 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1018136

[startup+0.701904 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 20881
/proc/meminfo: memFree=1453704/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=0.69
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 69 0 0 0 22 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 134524610 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1018136

[startup+1.502 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 20882
/proc/meminfo: memFree=1452800/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=1.49
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 149 0 0 0 25 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 134525361 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1018136

[startup+3.10117 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 20882
/proc/meminfo: memFree=1452672/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=3.09
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 309 0 0 0 25 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 134525218 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1018136

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

[startup+3.90227 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 20882
/proc/meminfo: memFree=1452672/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=3.89
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 389 0 0 0 25 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 134545598 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 1018136

[startup+4.30131 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 20882
/proc/meminfo: memFree=1452672/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=4.29
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 429 0 0 0 25 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 135007701 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 1018136

[startup+4.40432 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 20882
/proc/meminfo: memFree=1452672/2055920 swapFree=4192956/4192956
[pid=20881] ppid=20879 vsize=1018136 CPUtime=4.39
/proc/20881/stat : 20881 (gnovelty+2) R 20879 20881 20790 0 -1 4194304 322 0 0 0 439 0 0 0 25 0 1 0 29839744 1042571264 305 1992294400 134512640 135663704 4294956224 18446744073709551615 134545761 0 0 4096 0 0 0 0 17 1 0 0
/proc/20881/statm: 254534 305 112 281 0 254250 0
Current children cumulated CPU time (s) 4.39
Current children cumulated vsize (KiB) 1018136

Child status: 10
Real time (s): 4.41542
CPU time (s): 4.41333
CPU user time (s): 4.40833
CPU system time (s): 0.004999
CPU usage (%): 99.9526
Max. virtual memory (cumulated for all children) (KiB): 1018136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.40833
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 328
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= 6

runsolver used 0.004999 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node32 at 2009-04-18 03:27:46
IDJOB=1628639
IDBENCH=70284
IDSOLVER=585
FILE ID=node32/1628639-1240018066
PBS_JOBID= 9157413
Free space on /tmp= 66412 MiB

SOLVER NAME= gnovelty+2 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S7007454-009.cnf
COMMAND LINE= HOME/gnovelty+2 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1628639-1240018066/watcher-1628639-1240018066 -o /tmp/evaluation-result-1628639-1240018066/solver-1628639-1240018066 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/gnovelty+2 HOME/instance-1628639-1240018066.cnf 125828313

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

MD5SUM BENCH= 648c8d820b622b84f63b74fa018c43ab
RANDOM SEED=125828313

node32.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		: 3000.216
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		: 3000.216
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:       1454184 kB
Buffers:         81688 kB
Cached:         425932 kB
SwapCached:          0 kB
Active:         182384 kB
Inactive:       340584 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1454184 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            1520 kB
Writeback:           0 kB
Mapped:          25376 kB
Slab:            64504 kB
Committed_AS:   158008 kB
PageTables:       1488 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= 66412 MiB
End job on node32 at 2009-04-18 03:27:50