Trace number 311991

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
adaptg2wsat 2007-02-08SAT 6.30804 6.31328

General information on the benchmark

Namerandom/2+p/p0.8/v2405/
unif2p-p0.8-v2405-c7479-S1163137157-19-SAT.cnf
MD5SUM9b15d123fe04b0b8ae54fce3b90458d6
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.215966
Satisfiable
(Un)Satisfiability was proved
Number of variables2405
Number of clauses7478
Sum of the clauses size20939
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21495
Number of clauses of size 35983
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

6.24/6.31	c try 1 flip j 5965949
6.24/6.31	c A solution is found
6.24/6.31	s SATISFIABLE
6.24/6.31	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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-2384 -2385 2386 -2387 2388 2389 2390 2391 2392 2393 2394 -2395 -2396 -2397 -2398 2399 -2400 2401 2402 -2403 -2404 -2405 
6.24/6.31	v 0 
6.24/6.31	c Done (mycputime is 6.280 seconds)

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/node35/watcher-311991-1172580061 -o ROOT/results/node35/solver-311991-1172580061 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311991-1172580061/adaptg2wsat /tmp/evaluation/311991-1172580061/instance-311991-1172580061.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: 0.91 0.95 0.98 3/64 1312
/proc/meminfo: memFree=1034656/2055920 swapFree=4180408/4192956
[pid=1312] ppid=1310 vsize=215024 CPUtime=0
/proc/1312/stat : 1312 (adaptg2wsat) R 1310 1312 909 0 -1 4194304 112 0 0 0 0 0 0 0 18 0 1 0 251769907 220184576 96 18446744073709551615 134512640 134930400 4294956704 18446744073709551615 134572360 0 0 4096 0 0 0 0 17 1 0 0
/proc/1312/statm: 53756 97 40 101 0 53262 0

[startup+0.109077 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 1312
/proc/meminfo: memFree=1034656/2055920 swapFree=4180408/4192956
[pid=1312] ppid=1310 vsize=215704 CPUtime=0.1
/proc/1312/stat : 1312 (adaptg2wsat) R 1310 1312 909 0 -1 4194304 375 0 0 0 10 0 0 0 18 0 1 0 251769907 220880896 355 18446744073709551615 134512640 134930400 4294956704 18446744073709551615 134546023 0 0 4096 0 0 0 0 17 1 0 0
/proc/1312/statm: 53926 355 43 101 0 53432 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 215704

[startup+0.517158 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 1312
/proc/meminfo: memFree=1034656/2055920 swapFree=4180408/4192956
[pid=1312] ppid=1310 vsize=215704 CPUtime=0.51
/proc/1312/stat : 1312 (adaptg2wsat) R 1310 1312 909 0 -1 4194304 375 0 0 0 51 0 0 0 21 0 1 0 251769907 220880896 355 18446744073709551615 134512640 134930400 4294956704 18446744073709551615 134553077 0 0 4096 0 0 0 0 17 1 0 0
/proc/1312/statm: 53926 355 43 101 0 53432 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 215704

[startup+1.33732 s]
/proc/loadavg: 0.91 0.95 0.98 2/65 1313
/proc/meminfo: memFree=1033240/2055920 swapFree=4180408/4192956
[pid=1312] ppid=1310 vsize=215704 CPUtime=1.33
/proc/1312/stat : 1312 (adaptg2wsat) R 1310 1312 909 0 -1 4194304 375 0 0 0 133 0 0 0 25 0 1 0 251769907 220880896 355 18446744073709551615 134512640 134930400 4294956704 18446744073709551615 134545508 0 0 4096 0 0 0 0 17 1 0 0
/proc/1312/statm: 53926 355 43 101 0 53432 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 215704

[startup+2.97465 s]
/proc/loadavg: 0.91 0.95 0.98 2/65 1313
/proc/meminfo: memFree=1033112/2055920 swapFree=4180408/4192956
[pid=1312] ppid=1310 vsize=215704 CPUtime=2.97
/proc/1312/stat : 1312 (adaptg2wsat) R 1310 1312 909 0 -1 4194304 375 0 0 0 297 0 0 0 25 0 1 0 251769907 220880896 355 18446744073709551615 134512640 134930400 4294956704 18446744073709551615 134545320 0 0 4096 0 0 0 0 17 1 0 0
/proc/1312/statm: 53926 355 43 101 0 53432 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 215704

[startup+6.2533 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 1313
/proc/meminfo: memFree=1032984/2055920 swapFree=4180408/4192956
[pid=1312] ppid=1310 vsize=215704 CPUtime=6.24
/proc/1312/stat : 1312 (adaptg2wsat) R 1310 1312 909 0 -1 4194304 375 0 0 0 624 0 0 0 25 0 1 0 251769907 220880896 355 18446744073709551615 134512640 134930400 4294956704 18446744073709551615 134552116 0 0 4096 0 0 0 0 17 1 0 0
/proc/1312/statm: 53926 355 43 101 0 53432 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 215704

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

[startup+6.2533 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 1313
/proc/meminfo: memFree=1032984/2055920 swapFree=4180408/4192956
[pid=1312] ppid=1310 vsize=215704 CPUtime=6.24
/proc/1312/stat : 1312 (adaptg2wsat) R 1310 1312 909 0 -1 4194304 375 0 0 0 624 0 0 0 25 0 1 0 251769907 220880896 355 18446744073709551615 134512640 134930400 4294956704 18446744073709551615 134552116 0 0 4096 0 0 0 0 17 1 0 0
/proc/1312/statm: 53926 355 43 101 0 53432 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 215704

Child status: 10
Real time (s): 6.31328
CPU time (s): 6.30804
CPU user time (s): 6.30604
CPU system time (s): 0.001999
CPU usage (%): 99.917
Max. virtual memory (cumulated for all children) (KiB): 215704

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.30604
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 388
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= 11
involuntary context switches= 7

runsolver used 0.003999 second user time and 0.019996 second system time

The end

Launcher Data (download as text)

Begin job on node35 on Tue Feb 27 12:41:02 UTC 2007

IDJOB= 311991
IDBENCH= 20329
IDSOLVER= 127
FILE ID= node35/311991-1172580061

PBS_JOBID= 3971920

Free space on /tmp= 66554 MiB

SOLVER NAME= adaptg2wsat  2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v2405/unif2p-p0.8-v2405-c7479-S1163137157-19-SAT.cnf
COMMAND LINE= /tmp/evaluation/311991-1172580061/adaptg2wsat /tmp/evaluation/311991-1172580061/instance-311991-1172580061.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node35/watcher-311991-1172580061 -o ROOT/results/node35/solver-311991-1172580061 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311991-1172580061/adaptg2wsat /tmp/evaluation/311991-1172580061/instance-311991-1172580061.cnf            

META MD5SUM SOLVER= dc7cfffb7b5aa51d884144c196acd75c
MD5SUM BENCH=  9b15d123fe04b0b8ae54fce3b90458d6

RANDOM SEED= 411795645

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node35.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		: 3000.263
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		: 3000.263
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:       1035064 kB
Buffers:         26872 kB
Cached:         937192 kB
SwapCached:       6976 kB
Active:          65704 kB
Inactive:       911836 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1035064 kB
SwapTotal:     4192956 kB
SwapFree:      4180408 kB
Dirty:            6264 kB
Writeback:           0 kB
Mapped:          15292 kB
Slab:            29364 kB
Committed_AS:   803780 kB
PageTables:       1412 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= 66554 MiB

End job on node35 on Tue Feb 27 12:41:08 UTC 2007