Trace number 363095

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 1.4OPT0 1.66075 1.76598

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/MIPLIB/
miplib/normalized-reduced-mps-v2-20-10-enigma.opb
MD5SUM41834777456d00b1f1bcfadb1f825a87
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.147976
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 0
Optimality of the best value was proved YES
Number of variables100
Total number of constraints21
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)20
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint9
Maximum length of a constraint90
Number of terms in the objective function 9
Biggest coefficient in the objective function 9
Number of bits for the biggest coefficient in the objective function 4
Sum of the numbers in the objective function 45
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 49638
Number of bits of the biggest number in a constraint 16
Biggest sum of numbers in a constraint 524340
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)

0.00/0.11	c Pueblo version 1.4 (September 2005)
0.00/0.11	c Developed @ University of Michigan, Ann Arbor, MI
0.00/0.11	c  by Hossein Sheini
0.00/0.11	c starting to Solve
0.00/0.11	c #variables read: 100 - #constraints read: 43
1.59/1.76	o 0
1.59/1.76	c optimum objective found = 0
1.59/1.76	c total time              : 1.65 s
1.59/1.76	s OPTIMUM FOUND
1.59/1.76	v -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x12 -x13 -x14 -x15 -x16 -x17 x18 -x19 -x20 -x22 -x23 x24 -x25 -x26 -x27 -x28 -x29 -x30 -x32
1.59/1.76	v -x33 -x34 x35 -x36 -x37 -x38 -x39 -x40 x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 x60
1.59/1.76	v -x62 -x63 -x64 -x65 x66 -x67 -x68 -x69 -x70 -x72 -x73 -x74 -x75 -x76 x77 -x78 -x79 -x80 -x82 x83 -x84 -x85 -x86 -x87 -x88 -x89
1.59/1.76	v -x90 -x92 -x93 -x94 -x95 -x96 -x97 -x98 x99 -x100 x1 -x11 -x21 -x31 -x41 -x51 -x61 -x71 -x81 -x91

Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

/tmp/evaluation/363095-1178719729/instance-363095-1178719729.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.4 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node12/watcher-363095-1178719729 -o ROOT/results/node12/solver-363095-1178719729 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/363095-1178719729/instance-363095-1178719729.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 3600 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: 0.02 0.09 0.23 3/77 24796
/proc/meminfo: memFree=1971320/2055920 swapFree=4154312/4192956
[pid=24796] ppid=24794 vsize=11496 CPUtime=0
/proc/24796/stat : 24796 (runsolver) D 24794 24796 24722 0 -1 4194368 12 0 0 0 0 0 0 0 18 0 1 0 348010416 11771904 127 18446744073709551615 134512640 135603665 4294956352 18446744073709551615 135297312 0 0 4096 24578 18446744071563608240 0 0 17 1 0 0
/proc/24796/statm: 2874 127 114 266 0 2605 0

[startup+0.029922 s]
/proc/loadavg: 0.02 0.09 0.23 3/77 24796
/proc/meminfo: memFree=1971320/2055920 swapFree=4154312/4192956
[pid=24796] ppid=24794 vsize=916 CPUtime=0
/proc/24796/stat : 24796 (Pueblo) D 24794 24796 24722 0 -1 4194304 34 0 1 0 0 0 0 0 18 0 1 0 348010416 937984 24 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 9700359 0 0 4096 0 18446744071563479169 0 0 17 0 0 0
/proc/24796/statm: 229 24 18 16 0 3 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 916

[startup+0.102783 s]
/proc/loadavg: 0.02 0.09 0.23 3/77 24796
/proc/meminfo: memFree=1971320/2055920 swapFree=4154312/4192956
[pid=24796] ppid=24794 vsize=2288 CPUtime=0
/proc/24796/stat : 24796 (Pueblo) D 24794 24796 24722 0 -1 4194304 176 0 11 0 0 0 0 0 18 0 1 0 348010416 2342912 162 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 10762816 0 0 4096 0 18446744071563479169 0 0 17 1 0 0
/proc/24796/statm: 572 162 140 16 0 11 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2288

[startup+0.3018 s]
/proc/loadavg: 0.02 0.09 0.23 3/77 24796
/proc/meminfo: memFree=1971320/2055920 swapFree=4154312/4192956
[pid=24796] ppid=24794 vsize=2684 CPUtime=0.19
/proc/24796/stat : 24796 (Pueblo) R 24794 24796 24722 0 -1 4194304 291 0 16 0 19 0 0 0 18 0 1 0 348010416 2748416 282 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 134559423 0 0 4096 0 0 0 0 17 1 0 0
/proc/24796/statm: 671 282 205 16 0 110 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 2684

[startup+0.70184 s]
/proc/loadavg: 0.02 0.09 0.23 3/77 24796
/proc/meminfo: memFree=1971320/2055920 swapFree=4154312/4192956
[pid=24796] ppid=24794 vsize=2812 CPUtime=0.59
/proc/24796/stat : 24796 (Pueblo) R 24794 24796 24722 0 -1 4194304 313 0 16 0 59 0 0 0 22 0 1 0 348010416 2879488 304 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 134528346 0 0 4096 0 0 0 0 17 1 0 0
/proc/24796/statm: 703 304 205 16 0 142 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 2812

[startup+1.50192 s]
/proc/loadavg: 0.02 0.09 0.23 2/78 24797
/proc/meminfo: memFree=1968880/2055920 swapFree=4154312/4192956
[pid=24796] ppid=24794 vsize=2812 CPUtime=1.39
/proc/24796/stat : 24796 (Pueblo) R 24794 24796 24722 0 -1 4194304 325 0 16 0 139 0 0 0 25 0 1 0 348010416 2879488 316 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 134527753 0 0 4096 0 0 0 0 17 1 0 0
/proc/24796/statm: 703 316 205 16 0 142 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 2812

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

[startup+1.70194 s]
/proc/loadavg: 0.02 0.09 0.23 2/78 24797
/proc/meminfo: memFree=1968880/2055920 swapFree=4154312/4192956
[pid=24796] ppid=24794 vsize=2812 CPUtime=1.59
/proc/24796/stat : 24796 (Pueblo) R 24794 24796 24722 0 -1 4194304 329 0 16 0 159 0 0 0 25 0 1 0 348010416 2879488 320 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 134532120 0 0 4096 0 0 0 0 17 1 0 0
/proc/24796/statm: 703 320 205 16 0 142 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 2812

Child status: 30
Real time (s): 1.76598
CPU time (s): 1.66075
CPU user time (s): 1.65575
CPU system time (s): 0.004999
CPU usage (%): 94.0411
Max. virtual memory (cumulated for all children) (KiB): 2812

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.65575
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 335
page faults= 16
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 47
involuntary context switches= 11

runsolver used 0.000999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node12 on Wed May  9 14:08:50 UTC 2007

IDJOB= 363095
IDBENCH= 1734
IDSOLVER= 165
FILE ID= node12/363095-1178719729

PBS_JOBID= 5250922

Free space on /tmp= 66560 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/MIPLIB/miplib/normalized-reduced-mps-v2-20-10-enigma.opb
COMMAND LINE= Pueblo /tmp/evaluation/363095-1178719729/instance-363095-1178719729.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node12/convwatcher-363095-1178719729 -o ROOT/results/node12/conversion-363095-1178719729 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/363095-1178719729/instance-363095-1178719729.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node12/watcher-363095-1178719729 -o ROOT/results/node12/solver-363095-1178719729 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/363095-1178719729/instance-363095-1178719729.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  41834777456d00b1f1bcfadb1f825a87

RANDOM SEED= 369202050

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node12.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		: 3000.239
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		: 3000.239
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:       1971600 kB
Buffers:          3944 kB
Cached:          23964 kB
SwapCached:      12280 kB
Active:          34416 kB
Inactive:        12004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1971600 kB
SwapTotal:     4192956 kB
SwapFree:      4154312 kB
Dirty:            2308 kB
Writeback:           0 kB
Mapped:          24488 kB
Slab:            23412 kB
Committed_AS: 10842704 kB
PageTables:       1792 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= 66560 MiB

End job on node12 on Wed May  9 14:08:52 UTC 2007