Trace number 36966

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 1.4OPT861 54.8867 54.908

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/primes-dimacs-cnf/normalized-ii16c2.opb
MD5SUMcb4dc7ddfb50456685f1304551ada580
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark861
Best CPU time to get the best result obtained on this benchmark6.87096
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 861
Optimality of the best value was proved YES
Number of variables1848
Total number of constraints14727
Number of constraints which are clauses14727
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 constraint2
Maximum length of a constraint16
Number of terms in the objective function 1848
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 1848
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1848
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

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
0.21	c starting to Solve
0.21	c #variables read: 1848 - #constraints read: 14728
0.25	o 861
54.90	c optimum objective found = 861
54.90	c total time              : 54.89 s
54.90	s OPTIMUM FOUND
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54.90	v 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 -x58 x59 -x60 x61
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54.90	v -x1043 -x1044 -x1045 x1046 x1047 -x1048 x1049 -x1050 -x1051 x1052 -x1053 x1054 -x1055 x1056 -x1057 -x1058 -x1059 x1060
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54.90	v x1137 -x1138 -x1139 x1140 -x1141 x1142 -x1143 x1144 x1145 -x1146 -x1147 x1148 -x1149 x1150 -x1151 x1152 -x1153 x1154 x1155
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Verifier Data (download as text)

OK	861

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/node84/watcher-36966-1149280197 -o ROOT/results/node84/solver-36966-1149280197 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node84/36966-1149280197/instance-36966-1149280197.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.72 0.92 0.89 2/67 18265
/proc/meminfo: memFree=1505064/2055892 swapFree=4085292/4096564
[pid=18265] ppid=18263 vsize=2336 CPUtime=0
/proc/18265/stat : 18265 (Pueblo) R 18263 18265 18219 0 -1 4194304 147 0 0 0 0 0 0 0 18 0 1 0 193659080 2392064 129 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 8076184 0 0 4096 0 0 0 0 17 1 0 0
/proc/18265/statm: 584 130 111 16 0 11 0

[startup+10.0022 s]
/proc/loadavg: 0.76 0.92 0.89 2/67 18265
/proc/meminfo: memFree=1501352/2055892 swapFree=4085292/4096564
[pid=18265] ppid=18263 vsize=6216 CPUtime=9.99
/proc/18265/stat : 18265 (Pueblo) R 18263 18265 18219 0 -1 4194304 1196 0 0 0 998 1 0 0 25 0 1 0 193659080 6365184 1168 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134527762 0 0 4096 0 0 0 0 17 1 0 0
/proc/18265/statm: 1554 1168 205 16 0 994 0
Current children cumulated CPU time (s) 9.99
Current children cumulated vsize (Kb) 6216

[startup+20.0082 s]
/proc/loadavg: 0.80 0.93 0.89 2/67 18265
/proc/meminfo: memFree=1501288/2055892 swapFree=4085292/4096564
[pid=18265] ppid=18263 vsize=6216 CPUtime=19.99
/proc/18265/stat : 18265 (Pueblo) R 18263 18265 18219 0 -1 4194304 1200 0 0 0 1998 1 0 0 25 0 1 0 193659080 6365184 1172 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134527715 0 0 4096 0 0 0 0 17 1 0 0
/proc/18265/statm: 1554 1172 205 16 0 994 0
Current children cumulated CPU time (s) 19.99
Current children cumulated vsize (Kb) 6216

[startup+30.0143 s]
/proc/loadavg: 0.83 0.93 0.89 2/67 18265
/proc/meminfo: memFree=1500968/2055892 swapFree=4085292/4096564
[pid=18265] ppid=18263 vsize=6640 CPUtime=30
/proc/18265/stat : 18265 (Pueblo) R 18263 18265 18219 0 -1 4194304 1275 0 0 0 2999 1 0 0 25 0 1 0 193659080 6799360 1247 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134527724 0 0 4096 0 0 0 0 17 1 0 0
/proc/18265/statm: 1660 1247 205 16 0 1100 0
Current children cumulated CPU time (s) 30
Current children cumulated vsize (Kb) 6640

[startup+40.0204 s]
/proc/loadavg: 0.85 0.93 0.89 2/67 18265
/proc/meminfo: memFree=1500776/2055892 swapFree=4085292/4096564
[pid=18265] ppid=18263 vsize=6908 CPUtime=40
/proc/18265/stat : 18265 (Pueblo) R 18263 18265 18219 0 -1 4194304 1333 0 0 0 3999 1 0 0 25 0 1 0 193659080 7073792 1305 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134527742 0 0 4096 0 0 0 0 17 1 0 0
/proc/18265/statm: 1727 1305 205 16 0 1167 0
Current children cumulated CPU time (s) 40
Current children cumulated vsize (Kb) 6908

[startup+50.0264 s]
/proc/loadavg: 0.88 0.93 0.89 2/67 18265
/proc/meminfo: memFree=1500392/2055892 swapFree=4085292/4096564
[pid=18265] ppid=18263 vsize=7616 CPUtime=50
/proc/18265/stat : 18265 (Pueblo) R 18263 18265 18219 0 -1 4194304 1440 0 0 0 4999 1 0 0 25 0 1 0 193659080 7798784 1412 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134527765 0 0 4096 0 0 0 0 17 1 0 0
/proc/18265/statm: 1904 1412 205 16 0 1344 0
Current children cumulated CPU time (s) 50
Current children cumulated vsize (Kb) 7616

Child status: 30
Real time (s): 54.908
CPU time (s): 54.8867
CPU user time (s): 54.8637
CPU system time (s): 0.022996
CPU usage (%): 99.9612
Max. virtual memory (cumulated for all children) (Kb): 7616

Launcher Data (download as text)

Begin job on node84 on Fri Jun  2 20:29:58 UTC 2006


FILE ID= 36966-1149280197

PBS_JOBID= 306021

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-ii16c2.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node84/36966-1149280197/instance-36966-1149280197.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node84/watcher-36966-1149280197 -o ROOT/results/node84/solver-36966-1149280197 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node84/36966-1149280197/instance-36966-1149280197.opb

MD5SUM SOLVER= 80c24de60e85bc4a9ec18ca4764e7dff
MD5SUM BENCH=  cb4dc7ddfb50456685f1304551ada580

RANDOM SEED= 776838127


/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		: 3000.231
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	: 6006.15
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		: 3000.231
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	: 5999.43
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055892 kB
MemFree:       1505464 kB
Buffers:         30168 kB
Cached:         449296 kB
SwapCached:       2520 kB
Active:         123996 kB
Inactive:       364260 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055892 kB
LowFree:       1505464 kB
SwapTotal:     4096564 kB
SwapFree:      4085292 kB
Dirty:             160 kB
Writeback:           0 kB
Mapped:          16424 kB
Slab:            48900 kB
Committed_AS:   321520 kB
PageTables:       1272 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node84 on Fri Jun  2 20:30:53 UTC 2006