Trace number 373424

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 1.4OPT18 13.078 13.0835

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_opers/normalized-fir02_area_opers.opb
MD5SUM918383404e7b51b9b3205c84ccd5b510
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark18
Best CPU time to get the best result obtained on this benchmark0.251961
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 18
Optimality of the best value was proved YES
Number of variables1464
Total number of constraints2689
Number of constraints which are clauses2689
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 constraint1
Maximum length of a constraint31
Number of terms in the objective function 759
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 759
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 759
Number of bits of the biggest sum of numbers10
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)

0.00/0.00	c Pueblo version 1.4 (September 2005)
0.00/0.00	c Developed @ University of Michigan, Ann Arbor, MI
0.00/0.00	c  by Hossein Sheini
0.00/0.04	c starting to Solve
0.00/0.04	c #variables read: 1464 - #constraints read: 2687
0.00/0.04	o 28
0.00/0.07	o 27
0.08/0.10	o 26
0.09/0.13	o 25
0.09/0.19	o 24
0.29/0.32	o 23
0.29/0.38	o 22
0.49/0.56	o 21
0.59/0.67	o 20
1.29/1.38	o 19
2.39/2.44	o 18
12.99/13.08	c optimum objective found = 18
12.99/13.08	c total time              : 13.07 s
12.99/13.08	s OPTIMUM FOUND
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12.99/13.08	v -x82 -x83

Verifier Data (download as text)

OK	18

Conversion Script Data (download as text)

/tmp/evaluation/373424-1177365192/instance-373424-1177365192.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node30/watcher-373424-1177365192 -o ROOT/results/node30/solver-373424-1177365192 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/373424-1177365192/instance-373424-1177365192.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: 0.22 0.59 0.78 3/77 26740
/proc/meminfo: memFree=1791280/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=2552 CPUtime=0
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 184434872 2613248 230 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 7483095 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 638 230 193 16 0 77 0

[startup+0.0931131 s]
/proc/loadavg: 0.22 0.59 0.78 3/77 26740
/proc/meminfo: memFree=1791280/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=3684 CPUtime=0.08
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 555 0 0 0 8 0 0 0 18 0 1 0 184434872 3772416 527 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134522755 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 921 527 205 16 0 360 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3684

[startup+0.101111 s]
/proc/loadavg: 0.22 0.59 0.78 3/77 26740
/proc/meminfo: memFree=1791280/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=3820 CPUtime=0.09
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 569 0 0 0 9 0 0 0 18 0 1 0 184434872 3911680 541 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134522504 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 955 541 205 16 0 394 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3820

[startup+0.301124 s]
/proc/loadavg: 0.22 0.59 0.78 3/77 26740
/proc/meminfo: memFree=1791280/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=4488 CPUtime=0.29
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 769 0 0 0 29 0 0 0 19 0 1 0 184434872 4595712 741 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134522755 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 1122 741 205 16 0 561 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4488

[startup+0.701148 s]
/proc/loadavg: 0.22 0.59 0.78 3/77 26740
/proc/meminfo: memFree=1791280/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=5032 CPUtime=0.69
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 877 0 0 0 69 0 0 0 23 0 1 0 184434872 5152768 849 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134522742 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 1258 849 205 16 0 697 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5032

[startup+1.5012 s]
/proc/loadavg: 0.22 0.59 0.78 2/78 26741
/proc/meminfo: memFree=1788520/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=5328 CPUtime=1.49
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 974 0 0 0 149 0 0 0 25 0 1 0 184434872 5455872 930 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134533479 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 1332 930 205 16 0 771 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5328

[startup+3.1023 s]
/proc/loadavg: 0.29 0.60 0.78 2/78 26741
/proc/meminfo: memFree=1787880/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=6040 CPUtime=3.09
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 1191 0 0 0 308 1 0 0 25 0 1 0 184434872 6184960 1113 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134524006 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 1510 1113 205 16 0 949 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6040

[startup+6.3015 s]
/proc/loadavg: 0.29 0.60 0.78 2/78 26741
/proc/meminfo: memFree=1786984/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=6488 CPUtime=6.29
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 1423 0 0 0 628 1 0 0 25 0 1 0 184434872 6643712 1228 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134527726 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 1622 1228 205 16 0 1061 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6488

[startup+12.7019 s]
/proc/loadavg: 0.39 0.61 0.78 2/78 26741
/proc/meminfo: memFree=1786160/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=6956 CPUtime=12.68
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 1832 0 0 0 1266 2 0 0 25 0 1 0 184434872 7122944 1359 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 1739 1359 205 16 0 1178 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 6956

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

[startup+12.9019 s]
/proc/loadavg: 0.39 0.61 0.78 2/78 26741
/proc/meminfo: memFree=1786160/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=6948 CPUtime=12.89
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 1832 0 0 0 1286 3 0 0 25 0 1 0 184434872 7114752 1357 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 1737 1357 205 16 0 1176 0
Current children cumulated CPU time (s) 12.89
Current children cumulated vsize (KiB) 6948

[startup+13.0019 s]
/proc/loadavg: 0.39 0.61 0.78 2/78 26741
/proc/meminfo: memFree=1786160/2055920 swapFree=4157156/4192956
[pid=26740] ppid=26738 vsize=7212 CPUtime=12.99
/proc/26740/stat : 26740 (Pueblo) R 26738 26740 25707 0 -1 4194304 1876 0 0 0 1296 3 0 0 25 0 1 0 184434872 7385088 1401 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/26740/statm: 1803 1401 205 16 0 1242 0
Current children cumulated CPU time (s) 12.99
Current children cumulated vsize (KiB) 7212

Child status: 30
Real time (s): 13.0835
CPU time (s): 13.078
CPU user time (s): 13.044
CPU system time (s): 0.033994
CPU usage (%): 99.9583
Max. virtual memory (cumulated for all children) (KiB): 7240

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.044
system time used= 0.033994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1883
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= 14
involuntary context switches= 273

runsolver used 0.016997 second user time and 0.031995 second system time

The end

Launcher Data (download as text)

Begin job on node30 on Mon Apr 23 21:53:12 UTC 2007

IDJOB= 373424
IDBENCH= 25042
IDSOLVER= 165
FILE ID= node30/373424-1177365192

PBS_JOBID= 4675220

Free space on /tmp= 66394 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_opers/normalized-fir02_area_opers.opb
COMMAND LINE= Pueblo /tmp/evaluation/373424-1177365192/instance-373424-1177365192.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node30/convwatcher-373424-1177365192 -o ROOT/results/node30/conversion-373424-1177365192 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/373424-1177365192/instance-373424-1177365192.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node30/watcher-373424-1177365192 -o ROOT/results/node30/solver-373424-1177365192 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/373424-1177365192/instance-373424-1177365192.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  918383404e7b51b9b3205c84ccd5b510

RANDOM SEED= 183857488

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node30.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		: 3000.218
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		: 3000.218
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:       1791624 kB
Buffers:         38400 kB
Cached:         134264 kB
SwapCached:      15356 kB
Active:          53628 kB
Inactive:       142608 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1791624 kB
SwapTotal:     4192956 kB
SwapFree:      4157156 kB
Dirty:            2620 kB
Writeback:           0 kB
Mapped:          30476 kB
Slab:            53540 kB
Committed_AS:  3493652 kB
PageTables:       1780 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= 66394 MiB

End job on node30 on Mon Apr 23 21:53:25 UTC 2007