Trace number 372034

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 11.3683 11.3757

General information on the benchmark

Namerandom/2+p/p0.8/v2035/
unif2p-p0.8-v2035-c6328-S1891492462-09-SAT.cnf
MD5SUMe3a15c23dccd4bd1567a9bbf23bf14e3
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.447931
Satisfiable
(Un)Satisfiability was proved
Number of variables2034
Number of clauses6327
Sum of the clauses size17716
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21265
Number of clauses of size 35062
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

11.29/11.37	c try 1 flip j 11126045
11.29/11.37	c A solution is found
11.29/11.37	s SATISFIABLE
11.29/11.37	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 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11.29/11.37	v 0 
11.29/11.37	c Done (mycputime is 0.001 seconds)

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/node63/watcher-372034-1177549385 -o ROOT/results/node63/solver-372034-1177549385 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/372034-1177549385/adaptg2wsat+ /tmp/evaluation/372034-1177549385/instance-372034-1177549385.cnf 

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): 7500 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: 0.39 0.75 0.83 3/64 9143
/proc/meminfo: memFree=1652028/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=215024 CPUtime=0
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 96 0 0 0 0 0 0 0 18 0 1 0 230928459 220184576 81 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134582919 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 53756 81 38 101 0 53262 0

[startup+0.097544 s]
/proc/loadavg: 0.39 0.75 0.83 3/64 9143
/proc/meminfo: memFree=1652028/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=0.09
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 9 0 0 0 18 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134546307 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 217100

[startup+0.101544 s]
/proc/loadavg: 0.39 0.75 0.83 3/64 9143
/proc/meminfo: memFree=1652028/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=0.09
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 9 0 0 0 18 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134551844 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 217100

[startup+0.301564 s]
/proc/loadavg: 0.39 0.75 0.83 3/64 9143
/proc/meminfo: memFree=1652028/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=0.29
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 29 0 0 0 19 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134547192 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 217100

[startup+0.701607 s]
/proc/loadavg: 0.39 0.75 0.83 3/64 9143
/proc/meminfo: memFree=1652028/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=0.69
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 69 0 0 0 22 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134546565 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 217100

[startup+1.50169 s]
/proc/loadavg: 0.44 0.75 0.83 2/65 9144
/proc/meminfo: memFree=1650740/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=1.49
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 149 0 0 0 25 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134546565 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 217100

[startup+3.10186 s]
/proc/loadavg: 0.44 0.75 0.83 2/65 9144
/proc/meminfo: memFree=1650612/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=3.09
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 309 0 0 0 25 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134545666 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 217100

[startup+6.3022 s]
/proc/loadavg: 0.48 0.75 0.83 2/65 9144
/proc/meminfo: memFree=1650484/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=6.29
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 629 0 0 0 25 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134546266 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 217100

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

[startup+9.50154 s]
/proc/loadavg: 0.48 0.75 0.83 2/65 9144
/proc/meminfo: memFree=1650484/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=9.49
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 949 0 0 0 25 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134545582 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 217100

[startup+10.3016 s]
/proc/loadavg: 0.48 0.75 0.83 2/65 9144
/proc/meminfo: memFree=1650484/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=10.29
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 1029 0 0 0 25 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134545666 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 217100

[startup+11.1017 s]
/proc/loadavg: 0.52 0.76 0.83 2/65 9144
/proc/meminfo: memFree=1650484/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=11.09
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 1109 0 0 0 25 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134547165 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 217100

[startup+11.3017 s]
/proc/loadavg: 0.52 0.76 0.83 2/65 9144
/proc/meminfo: memFree=1650484/2055920 swapFree=4182896/4192956
[pid=9143] ppid=9141 vsize=217100 CPUtime=11.29
/proc/9143/stat : 9143 (adaptg2wsat+) R 9141 9143 7773 0 -1 4194304 332 0 0 0 1129 0 0 0 25 0 1 0 230928459 222310400 313 18446744073709551615 134512640 134930140 4294956656 18446744073709551615 134546335 0 0 4096 0 0 0 0 17 1 0 0
/proc/9143/statm: 54275 313 41 101 0 53781 0
Current children cumulated CPU time (s) 11.29
Current children cumulated vsize (KiB) 217100

Child status: 10
Real time (s): 11.3757
CPU time (s): 11.3683
CPU user time (s): 11.3623
CPU system time (s): 0.005999
CPU usage (%): 99.9351
Max. virtual memory (cumulated for all children) (KiB): 217100

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.3623
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 344
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= 33

runsolver used 0.007998 second user time and 0.031995 second system time

The end

Launcher Data (download as text)

Begin job on node63 on Thu Apr 26 01:03:05 UTC 2007

IDJOB= 372034
IDBENCH= 20311
IDSOLVER= 185
FILE ID= node63/372034-1177549385

PBS_JOBID= 4696541

Free space on /tmp= 66482 MiB

SOLVER NAME= adaptg2wsat+ 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v2035/unif2p-p0.8-v2035-c6328-S1891492462-09-SAT.cnf
COMMAND LINE= /tmp/evaluation/372034-1177549385/adaptg2wsat+ /tmp/evaluation/372034-1177549385/instance-372034-1177549385.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node63/watcher-372034-1177549385 -o ROOT/results/node63/solver-372034-1177549385 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/372034-1177549385/adaptg2wsat+ /tmp/evaluation/372034-1177549385/instance-372034-1177549385.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  e3a15c23dccd4bd1567a9bbf23bf14e3

RANDOM SEED= 515337903

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node63.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		: 3000.232
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		: 3000.232
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:       1652436 kB
Buffers:         29352 kB
Cached:         311668 kB
SwapCached:       4556 kB
Active:         187300 kB
Inactive:       164028 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1652436 kB
SwapTotal:     4192956 kB
SwapFree:      4182896 kB
Dirty:            6376 kB
Writeback:           0 kB
Mapped:          15576 kB
Slab:            38124 kB
Committed_AS:  2254768 kB
PageTables:       1460 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= 66482 MiB

End job on node63 on Thu Apr 26 01:03:17 UTC 2007