Trace number 3500744

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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 NameAnswerCPU timeWall clock time
pwbo 1.1OPT 0.476926 0.248001

General information on the benchmark

Name/OPT-SMALLINT-LIN/heinz/
normalized-acc-tight6.opb
MD5SUM5628c0ae66ee00344572645709c9b414
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
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 benchmark0.205967
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1335
Total number of constraints3047
Number of constraints which are clauses2074
Number of constraints which are cardinality constraints (but not clauses)973
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint24
Number of terms in the objective function 1
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 1
Number of bits of the sum of numbers in the objective function 1
Biggest number in a constraint 4
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 26
Number of bits of the biggest sum of numbers5
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c pwbo 1.1 beta - 20110321
0.00/0.00	c Parsing opb file format. File HOME/instance-3500744-1307997623.opb.
0.00/0.00	c Instance file HOME/instance-3500744-1307997623.opb
0.00/0.00	c File size is 153531 bytes.
0.00/0.01	c Highest Coefficient sum: 26
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      1335                                                |
0.00/0.01	c |  Number Clauses:        2321                                                |
0.00/0.01	c |  Number Cardinality:    1003                                                |
0.00/0.01	c |  Number PB Constraints: 0                                                   |
0.00/0.01	c init lb 0
0.00/0.01	c init ub 2
0.38/0.24	c ub 0 (thread 0)
0.38/0.24	o 0
0.38/0.24	s OPTIMUM FOUND
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0.38/0.24	c Memory used           : 133.91 MB
0.38/0.24	c CPU time              : 0.45393 s

Verifier Data 

OK	0

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3500744-1307997623/watcher-3500744-1307997623 -o /tmp/evaluation-result-3500744-1307997623/solver-3500744-1307997623 -C 1800 -W 1900 -M 15500 pwbo1.1 -file-format=opb HOME/instance-3500744-1307997623.opb 

running on 4 cores: 1,3,5,7

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): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 3.59 3.81 3.80 3/179 27034
/proc/meminfo: memFree=15858912/32951124 swapFree=67053176/67111528
[pid=27034] ppid=27032 vsize=3224 CPUtime=0 cores=1,3,5,7
/proc/27034/stat : 27034 (pwbo1.1) R 27032 27034 24477 0 -1 4202496 529 0 0 0 0 0 0 0 25 0 1 0 911360043 3301376 481 33554432000 4194304 5714118 140736784804400 18446744073709551615 4970378 0 0 4096 16387 0 0 0 17 5 0 0 0
/proc/27034/statm: 806 482 165 372 0 393 0

[startup+0.026092 s]
/proc/loadavg: 3.59 3.81 3.80 3/179 27034
/proc/meminfo: memFree=15858912/32951124 swapFree=67053176/67111528
[pid=27034] ppid=27032 vsize=137116 CPUtime=0.03 cores=1,3,5,7
/proc/27034/stat : 27034 (pwbo1.1) S 27032 27034 24477 0 -1 4202496 1523 0 0 0 3 0 0 0 25 0 3 0 911360043 140406784 1437 33554432000 4194304 5714118 140736784804400 18446744073709551615 4419421 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0
/proc/27034/statm: 34279 1438 181 372 0 33904 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 137116

[startup+0.101073 s]
/proc/loadavg: 3.59 3.81 3.80 3/179 27034
/proc/meminfo: memFree=15858912/32951124 swapFree=67053176/67111528
[pid=27034] ppid=27032 vsize=137116 CPUtime=0.18 cores=1,3,5,7
/proc/27034/stat : 27034 (pwbo1.1) S 27032 27034 24477 0 -1 4202496 1773 0 0 0 17 1 0 0 25 0 3 0 911360043 140406784 1687 33554432000 4194304 5714118 140736784804400 18446744073709551615 4419421 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0
/proc/27034/statm: 34279 1687 181 372 0 33904 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 137116

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

[startup+0.201058 s]
/proc/loadavg: 3.59 3.81 3.80 3/179 27034
/proc/meminfo: memFree=15858912/32951124 swapFree=67053176/67111528
[pid=27034] ppid=27032 vsize=137116 CPUtime=0.38 cores=1,3,5,7
/proc/27034/stat : 27034 (pwbo1.1) S 27032 27034 24477 0 -1 4202496 2035 0 0 0 36 2 0 0 25 0 3 0 911360043 140406784 1949 33554432000 4194304 5714118 140736784804400 18446744073709551615 4419421 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0
/proc/27034/statm: 34279 1949 181 372 0 33904 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 137116

Child status: 0
Real time (s): 0.248001
CPU time (s): 0.476926
CPU user time (s): 0.45393
CPU system time (s): 0.022996
CPU usage (%): 192.308
Max. virtual memory (cumulated for all children) (KiB): 137116

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.45393
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2124
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= 27
involuntary context switches= 4

runsolver used 0.000999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node137 at 2011-06-13 22:40:23
IDJOB=3500744
IDBENCH=89826
IDSOLVER=1954
FILE ID=node137/3500744-1307997623
RUNJOBID= node137-1307996682-25979
PBS_JOBID= 13559729
Free space on /tmp= 3496 MiB

SOLVER NAME= pwbo 1.1
BENCH NAME= PB11/normalized-PB11/OPT-SMALLINT-LIN/heinz/normalized-acc-tight6.opb
COMMAND LINE= pwbo1.1 -file-format=opb BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3500744-1307997623/watcher-3500744-1307997623 -o /tmp/evaluation-result-3500744-1307997623/solver-3500744-1307997623 -C 1800 -W 1900 -M 15500  pwbo1.1 -file-format=opb HOME/instance-3500744-1307997623.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 5628c0ae66ee00344572645709c9b414
RANDOM SEED=1254050677

node137.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.844
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.68
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.844
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.844
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.844
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.844
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.844
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.844
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.844
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      15859316 kB
Buffers:        151224 kB
Cached:       15926828 kB
SwapCached:      11996 kB
Active:        1105240 kB
Inactive:     15396388 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      15859316 kB
SwapTotal:    67111528 kB
SwapFree:     67053176 kB
Dirty:            4628 kB
Writeback:           0 kB
AnonPages:      421268 kB
Mapped:           9928 kB
Slab:           524784 kB
PageTables:       5636 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   620568 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 3492 MiB
End job on node137 at 2011-06-13 22:40:24