Trace number 37011

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 NameAnswerObjective functionCPU timeWall clock time
Pueblo 1.4OPT20 77.6532 77.6822

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
sorensson/garden/normalized-g9x9.opb
MD5SUM4b56e6775cc4a081c8696ef0fa81b784
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark20
Best CPU time to get the best result obtained on this benchmark0.227964
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 20
Optimality of the best value was proved YES
Number of variables81
Total number of constraints81
Number of constraints which are clauses81
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint3
Maximum length of a constraint5
Number of terms in the objective function 81
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 81
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 81
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data (download as text)

0.00	c Pueblo version 1.4 (September 2005)
0.00	c Developed @ University of Michigan, Ann Arbor, MI
0.00	c  by Hossein Sheini
0.00	c starting to Solve
0.00	c #variables read: 81 - #constraints read: 82
0.00	o 27
0.00	o 26
0.00	o 25
0.01	o 24
0.03	o 23
0.03	o 22
0.49	o 21
9.98	o 20
77.68	c optimum objective found = 20
77.68	c total time              : 77.66 s
77.68	s OPTIMUM FOUND
77.68	v -x1 -x2 x3 -x4 -x5 x6 -x7 -x8 -x9 x10 -x11 -x12 -x13 -x14 -x15 -x16 x17 x18 -x19 -x20 -x21 x22 x23 -x24 -x25 -x26 -x27 -x28 x29 -x30
77.68	v -x31 -x32 -x33 x34 -x35 -x36 -x37 -x38 -x39 x40 -x41 -x42 -x43 -x44 x45 x46 -x47 -x48 -x49 -x50 x51 -x52 -x53 -x54 -x55 -x56 x57
77.68	v -x58 -x59 -x60 -x61 x62 -x63 x64 -x65 -x66 -x67 x68 -x69 -x70 -x71 -x72 -x73 -x74 x75 -x76 -x77 -x78 x79 -x80 x81

Verifier Data (download as text)

OK	20

Watcher Data (download as text)

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node20/watcher-37011-1149286083 -o ROOT/results/node20/solver-37011-1149286083 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node20/37011-1149286083/instance-37011-1149286083.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 1.07 1.01 0.92 3/64 27215
/proc/meminfo: memFree=1574896/2055920 swapFree=4181488/4192956
[pid=27215] ppid=27213 vsize=2572 CPUtime=0
/proc/27215/stat : 27215 (Pueblo) R 27213 27215 27169 0 -1 4194304 263 0 0 0 0 0 0 0 19 0 1 0 194271402 2633728 234 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 8085207 0 0 4096 0 0 0 0 17 0 0 0
/proc/27215/statm: 643 236 199 16 0 84 0

[startup+10.0024 s]
/proc/loadavg: 1.06 1.01 0.92 2/64 27215
/proc/meminfo: memFree=1574504/2055920 swapFree=4181488/4192956
[pid=27215] ppid=27213 vsize=2936 CPUtime=10
/proc/27215/stat : 27215 (Pueblo) R 27213 27215 27169 0 -1 4194304 366 0 0 0 994 6 0 0 25 0 1 0 194271402 3006464 337 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/27215/statm: 734 337 205 16 0 175 0
Current children cumulated CPU time (s) 10
Current children cumulated vsize (Kb) 2936

[startup+20.0086 s]
/proc/loadavg: 1.05 1.00 0.92 2/64 27215
/proc/meminfo: memFree=1574504/2055920 swapFree=4181488/4192956
[pid=27215] ppid=27213 vsize=2936 CPUtime=20
/proc/27215/stat : 27215 (Pueblo) R 27213 27215 27169 0 -1 4194304 384 0 0 0 1990 10 0 0 25 0 1 0 194271402 3006464 355 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134556244 0 0 4096 0 0 0 0 17 1 0 0
/proc/27215/statm: 734 355 205 16 0 175 0
Current children cumulated CPU time (s) 20
Current children cumulated vsize (Kb) 2936

[startup+30.0147 s]
/proc/loadavg: 1.04 1.00 0.92 2/64 27215
/proc/meminfo: memFree=1574440/2055920 swapFree=4181488/4192956
[pid=27215] ppid=27213 vsize=3024 CPUtime=29.99
/proc/27215/stat : 27215 (Pueblo) R 27213 27215 27169 0 -1 4194304 396 0 0 0 2985 14 0 0 25 0 1 0 194271402 3096576 367 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/27215/statm: 756 367 205 16 0 197 0
Current children cumulated CPU time (s) 29.99
Current children cumulated vsize (Kb) 3024

[startup+40.0209 s]
/proc/loadavg: 1.03 1.00 0.92 2/64 27215
/proc/meminfo: memFree=1574440/2055920 swapFree=4181488/4192956
[pid=27215] ppid=27213 vsize=3024 CPUtime=40
/proc/27215/stat : 27215 (Pueblo) R 27213 27215 27169 0 -1 4194304 399 0 0 0 3983 17 0 0 25 0 1 0 194271402 3096576 370 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134528329 0 0 4096 0 0 0 0 17 1 0 0
/proc/27215/statm: 756 370 205 16 0 197 0
Current children cumulated CPU time (s) 40
Current children cumulated vsize (Kb) 3024

[startup+50.0271 s]
/proc/loadavg: 1.03 1.00 0.92 2/64 27215
/proc/meminfo: memFree=1574376/2055920 swapFree=4181488/4192956
[pid=27215] ppid=27213 vsize=3140 CPUtime=50
/proc/27215/stat : 27215 (Pueblo) R 27213 27215 27169 0 -1 4194304 410 0 0 0 4980 20 0 0 25 0 1 0 194271402 3215360 381 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/27215/statm: 785 381 205 16 0 226 0
Current children cumulated CPU time (s) 50
Current children cumulated vsize (Kb) 3140

[startup+60.0333 s]
/proc/loadavg: 1.02 1.00 0.92 2/64 27215
/proc/meminfo: memFree=1574376/2055920 swapFree=4181488/4192956
[pid=27215] ppid=27213 vsize=3140 CPUtime=60
/proc/27215/stat : 27215 (Pueblo) R 27213 27215 27169 0 -1 4194304 411 0 0 0 5978 22 0 0 25 0 1 0 194271402 3215360 382 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134528074 0 0 4096 0 0 0 0 17 1 0 0
/proc/27215/statm: 785 382 205 16 0 226 0
Current children cumulated CPU time (s) 60
Current children cumulated vsize (Kb) 3140

[startup+70.0395 s]
/proc/loadavg: 1.02 1.00 0.92 2/64 27215
/proc/meminfo: memFree=1574312/2055920 swapFree=4181488/4192956
[pid=27215] ppid=27213 vsize=3136 CPUtime=70.01
/proc/27215/stat : 27215 (Pueblo) R 27213 27215 27169 0 -1 4194304 419 0 0 0 6976 25 0 0 25 0 1 0 194271402 3211264 390 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/27215/statm: 784 390 205 16 0 225 0
Current children cumulated CPU time (s) 70.01
Current children cumulated vsize (Kb) 3136

Child status: 30
Real time (s): 77.6822
CPU time (s): 77.6532
CPU user time (s): 77.3622
CPU system time (s): 0.290955
CPU usage (%): 99.9626
Max. virtual memory (cumulated for all children) (Kb): 3140

Launcher Data (download as text)

Begin job on node20 on Fri Jun  2 22:08:03 UTC 2006


FILE ID= 37011-1149286083

PBS_JOBID= 306598

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/sorensson/garden/normalized-g9x9.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node20/37011-1149286083/instance-37011-1149286083.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node20/watcher-37011-1149286083 -o ROOT/results/node20/solver-37011-1149286083 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node20/37011-1149286083/instance-37011-1149286083.opb

MD5SUM SOLVER= 80c24de60e85bc4a9ec18ca4764e7dff
MD5SUM BENCH=  4b56e6775cc4a081c8696ef0fa81b784

RANDOM SEED= 977148425


/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		: 3000.236
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		: 3000.236
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:       1575104 kB
Buffers:         26716 kB
Cached:         380892 kB
SwapCached:       3180 kB
Active:          50700 kB
Inactive:       365592 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1575104 kB
SwapTotal:     4192956 kB
SwapFree:      4181488 kB
Dirty:             336 kB
Writeback:           0 kB
Mapped:          14772 kB
Slab:            50560 kB
Committed_AS:   284512 kB
PageTables:       1432 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node20 on Fri Jun  2 22:09:21 UTC 2006