Trace number 45356

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
PB-smodels 1.31UNSAT 34.5927 28.169

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-reduced-mps-v2-20-10-pilot.opb
MD5SUM3b411a9d6011bc35efb221797d9fcf38
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark4.75228
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables86785
Total number of constraints2481
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints2481
Minimum length of a constraint10
Maximum length of a constraint7620
Number of terms in the objective function 840
Biggest coefficient in the objective function 21170
Number of bits for the biggest coefficient in the objective function 15
Sum of the numbers in the objective function 524903
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 262145
Number of bits of the biggest number in a constraint 19
Biggest sum of numbers in a constraint 530339
Number of bits of the biggest sum of numbers20
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 Running pbsmodels-v1.31
28.16	s UNSATISFIABLE

Verifier Data (download as text)

ERROR: no interpretation found !

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

runsolver version 3.0.1 (c) roussel@cril.univ-artois.fr

Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
command line: runsolver --timestamp -w ROOT/results/node6/watcher-45356-1149646311 -o ROOT/results/node6/solver-45356-1149646311 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user4/pbsmodels-v1.31/runpbsmodels ROOT/tmp/node6/45356-1149646311/instance-45356-1149646311.opb 881468075 ROOT/tmp/node6/45356-1149646311 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.92 0.98 0.99 2/64 12544
/proc/meminfo: memFree=1597528/2055924 swapFree=4181416/4192956
[pid=12544] ppid=12542 vsize=5212 CPUtime=0
/proc/12544/stat : 12544 (runpbsmodels) R 12542 12544 12498 0 -1 4194304 89 0 0 0 0 0 0 0 19 0 1 0 230293290 5337088 62 18446744073709551615 4194304 4889804 548682069184 18446744073709551615 268583009778 0 0 4096 0 0 0 0 17 1 0 0
/proc/12544/statm: 1303 78 60 169 0 14 0

[startup+10.0027 s]
/proc/loadavg: 1.01 1.00 1.00 2/69 12549
/proc/meminfo: memFree=1578608/2055924 swapFree=4181416/4192956
[pid=12544] ppid=12542 vsize=5360 CPUtime=0
/proc/12544/stat : 12544 (runpbsmodels) S 12542 12544 12498 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 230293290 5488640 234 18446744073709551615 4194304 4889804 548682069184 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12544/statm: 1340 234 195 169 0 51 0
[pid=12545] ppid=12544 vsize=12268 CPUtime=0
/proc/12545/stat : 12545 (pbsmodels-v1.31) S 12544 12544 12498 0 -1 4194304 425 0 0 0 0 0 0 0 18 0 1 0 230293291 12562432 383 18446744073709551615 4194304 4206940 548682069040 18446744073709551615 268591742868 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/12545/statm: 3067 383 293 3 0 167 0
[pid=12546] ppid=12545 vsize=5356 CPUtime=0
/proc/12546/stat : 12546 (sh) S 12545 12544 12498 0 -1 4194304 309 0 0 0 0 0 0 0 18 0 1 0 230293292 5484544 227 18446744073709551615 4194304 4889804 548682069040 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/12546/statm: 1339 227 188 169 0 50 0
[pid=12547] ppid=12546 vsize=14480 CPUtime=9.53
/proc/12547/stat : 12547 (pb2smodels) R 12546 12544 12498 0 -1 4194304 1007 0 0 0 952 1 0 0 17 0 1 0 230293292 14827520 965 18446744073709551615 4194304 4206940 548682069072 18446744073709551615 268591738834 0 0 4224 0 0 0 0 17 1 0 0
/proc/12547/statm: 3620 965 341 3 0 720 0
[pid=12548] ppid=12546 vsize=17740 CPUtime=3.26
/proc/12548/stat : 12548 (smodels-2.31) R 12546 12544 12498 0 -1 4194304 4186 0 0 0 324 2 0 0 15 0 1 0 230293292 18165760 4052 18446744073709551615 134512640 134599567 4294956656 18446744073709551615 2655198 0 0 4096 0 0 0 0 17 0 0 0
/proc/12548/statm: 4435 4052 206 21 0 3871 0
[pid=12549] ppid=12546 vsize=12268 CPUtime=0
/proc/12549/stat : 12549 (pbout.new.pl) S 12546 12544 12498 0 -1 4194304 417 0 0 0 0 0 0 0 22 0 1 0 230293292 12562432 377 18446744073709551615 4194304 4206940 548682069056 18446744073709551615 268591738978 0 0 4224 0 18446744071563648864 0 0 17 0 0 0
/proc/12549/statm: 3067 377 289 3 0 167 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (Kb) 55204

[startup+20.0098 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 12549
/proc/meminfo: memFree=1569328/2055924 swapFree=4181416/4192956
[pid=12544] ppid=12542 vsize=5360 CPUtime=0
/proc/12544/stat : 12544 (runpbsmodels) S 12542 12544 12498 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 230293290 5488640 234 18446744073709551615 4194304 4889804 548682069184 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12544/statm: 1340 234 195 169 0 51 0
[pid=12545] ppid=12544 vsize=12268 CPUtime=0
/proc/12545/stat : 12545 (pbsmodels-v1.31) S 12544 12544 12498 0 -1 4194304 425 0 0 0 0 0 0 0 18 0 1 0 230293291 12562432 383 18446744073709551615 4194304 4206940 548682069040 18446744073709551615 268591742868 0 0 4230 16384 18446744071563356171 0 0 17 1 0 0
/proc/12545/statm: 3067 383 293 3 0 167 0
[pid=12546] ppid=12545 vsize=5356 CPUtime=0
/proc/12546/stat : 12546 (sh) S 12545 12544 12498 0 -1 4194304 309 0 0 0 0 0 0 0 18 0 1 0 230293292 5484544 227 18446744073709551615 4194304 4889804 548682069040 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/12546/statm: 1339 227 188 169 0 50 0
[pid=12547] ppid=12546 vsize=14872 CPUtime=18.58
/proc/12547/stat : 12547 (pb2smodels) R 12546 12544 12498 0 -1 4194304 1124 0 0 0 1856 2 0 0 17 0 1 0 230293292 15228928 1082 18446744073709551615 4194304 4206940 548682069072 18446744073709551615 268582720960 0 0 4224 0 0 0 0 17 1 0 0
/proc/12547/statm: 3718 1082 341 3 0 818 0
[pid=12548] ppid=12546 vsize=26712 CPUtime=6.19
/proc/12548/stat : 12548 (smodels-2.31) S 12546 12544 12498 0 -1 4194304 6453 0 0 0 616 3 0 0 16 0 1 0 230293292 27353088 6319 18446744073709551615 134512640 134599567 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744071563648864 0 0 17 0 0 0
/proc/12548/statm: 6678 6319 206 21 0 6114 0
[pid=12549] ppid=12546 vsize=12268 CPUtime=0
/proc/12549/stat : 12549 (pbout.new.pl) S 12546 12544 12498 0 -1 4194304 417 0 0 0 0 0 0 0 22 0 1 0 230293292 12562432 377 18446744073709551615 4194304 4206940 548682069056 18446744073709551615 268591738978 0 0 4224 0 18446744071563648864 0 0 17 0 0 0
/proc/12549/statm: 3067 377 289 3 0 167 0
Current children cumulated CPU time (s) 24.77
Current children cumulated vsize (Kb) 64568

Child status: 0
Real time (s): 28.169
CPU time (s): 34.5927
CPU user time (s): 34.4888
CPU system time (s): 0.103984
CPU usage (%): 122.804
Max. virtual memory (cumulated for all children) (Kb): 64568
The end

Launcher Data (download as text)

Begin job on node6 on Wed Jun  7 02:11:52 UTC 2006


FILE ID= 45356-1149646311

PBS_JOBID= 323855

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-reduced-mps-v2-20-10-pilot.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user4/pbsmodels-v1.31/runpbsmodels ROOT/tmp/node6/45356-1149646311/instance-45356-1149646311.opb 881468075  ROOT/tmp/node6/45356-1149646311
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node6/watcher-45356-1149646311 -o ROOT/results/node6/solver-45356-1149646311 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user4/pbsmodels-v1.31/runpbsmodels ROOT/tmp/node6/45356-1149646311/instance-45356-1149646311.opb 881468075  ROOT/tmp/node6/45356-1149646311

MD5SUM SOLVER= 95562bc622ddb1f976359072aec5ad24 7fcd858753252b26b88f3383e979819a c732bc4c3aeda9195daa74a308a1f78e b7e54d975d35ab28450b6de5c14d303e f7da3270b2cd5190fa0cd9af9b854ca4
MD5SUM BENCH=  3b411a9d6011bc35efb221797d9fcf38

RANDOM SEED= 881468075


/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		: 3000.268
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		: 3000.268
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:      2055924 kB
MemFree:       1597928 kB
Buffers:         31720 kB
Cached:         355624 kB
SwapCached:       3384 kB
Active:          39660 kB
Inactive:       356628 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1597928 kB
SwapTotal:     4192956 kB
SwapFree:      4181416 kB
Dirty:             176 kB
Writeback:           0 kB
Mapped:          14948 kB
Slab:            47824 kB
Committed_AS:   396556 kB
PageTables:       1480 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node6 on Wed Jun  7 02:12:20 UTC 2006