Trace number 3726295

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 NameAnswerobjective functionCPU timeWall clock time
pwbo 2.02OPT0 0.455929 0.235837

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 benchmark0.143977
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 ==============================[ Solver Version ]===============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  pwbo:                     2.02 beta - May, 2012                            |
0.00/0.00	c |                                                                             |
0.00/0.00	c Parsing opb file format. File HOME/instance-3726295-1338658294.opb.
0.00/0.00	c Instance file HOME/instance-3726295-1338658294.opb
0.00/0.00	c File size is 153531 bytes.
0.00/0.01	c Cost Offset: 0
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:          0.02         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 |                                                                             |
0.00/0.02	c |  Problem Type:          Optimization                                        |
0.00/0.02	c |  Objective Function:    Cardinality Constraint                              |
0.00/0.02	c |                                                                             |
0.00/0.02	c ===============================================================================
0.36/0.23	o 0
0.36/0.23	c ===============================================================================
0.36/0.23	c Wall Clock Time: 0.23 s
0.36/0.23	c Best Solution: 0
0.36/0.23	s OPTIMUM FOUND
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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-3726295-1338658294/watcher-3726295-1338658294 -o /tmp/evaluation-result-3726295-1338658294/solver-3726295-1338658294 -C 1800 -W 1900 -M 15500 pwbo2.02 -file-format=opb -verbosity=0 HOME/instance-3726295-1338658294.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: 4.13 4.08 3.98 4/178 29549
/proc/meminfo: memFree=24370144/32873844 swapFree=7628/7628
[pid=29549] ppid=29547 vsize=4912 CPUtime=0 cores=1,3,5,7
/proc/29549/stat : 29549 (pwbo2.02) R 29547 29549 25747 0 -1 4202496 509 0 0 0 0 0 0 0 20 0 1 0 331953812 5029888 461 33554432000 4194304 5964478 140733977814944 140734117423048 5179243 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/29549/statm: 1228 461 165 433 0 754 0

[startup+0.090662 s]
/proc/loadavg: 4.13 4.08 3.98 4/178 29549
/proc/meminfo: memFree=24370144/32873844 swapFree=7628/7628
[pid=29549] ppid=29547 vsize=164692 CPUtime=0.15 cores=1,3,5,7
/proc/29549/stat : 29549 (pwbo2.02) S 29547 29549 25747 0 -1 4202496 2126 0 0 0 15 0 0 0 20 0 3 0 331953812 168644608 2040 33554432000 4194304 5964478 140733977814944 140733977814464 4546685 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/29549/statm: 41173 2040 194 433 0 40737 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 164692

[startup+0.100214 s]
/proc/loadavg: 4.13 4.08 3.98 4/178 29549
/proc/meminfo: memFree=24370144/32873844 swapFree=7628/7628
[pid=29549] ppid=29547 vsize=164692 CPUtime=0.17 cores=1,3,5,7
/proc/29549/stat : 29549 (pwbo2.02) S 29547 29549 25747 0 -1 4202496 2148 0 0 0 17 0 0 0 20 0 3 0 331953812 168644608 2062 33554432000 4194304 5964478 140733977814944 140733977814464 4546685 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/29549/statm: 41173 2062 194 433 0 40737 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 164692

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

[startup+0.20014 s]
/proc/loadavg: 4.13 4.08 3.98 4/178 29549
/proc/meminfo: memFree=24370144/32873844 swapFree=7628/7628
[pid=29549] ppid=29547 vsize=164692 CPUtime=0.36 cores=1,3,5,7
/proc/29549/stat : 29549 (pwbo2.02) S 29547 29549 25747 0 -1 4202496 2319 0 0 0 36 0 0 0 20 0 3 0 331953812 168644608 2233 33554432000 4194304 5964478 140733977814944 140733977814464 4546685 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/29549/statm: 41173 2233 194 433 0 40737 0
Current children cumulated CPU time (s) 0.36
Current children cumulated vsize (KiB) 164692

Child status: 255
Real time (s): 0.235837
CPU time (s): 0.455929
CPU user time (s): 0.434933
CPU system time (s): 0.020996
CPU usage (%): 193.324
Max. virtual memory (cumulated for all children) (KiB): 164692

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.434933
system time used= 0.020996
maximum resident set size= 9136
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2370
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= 69
involuntary context switches= 6

runsolver used 0.000999 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node145 at 2012-06-02 19:31:34
IDJOB=3726295
IDBENCH=89826
IDSOLVER=2309
FILE ID=node145/3726295-1338658294
RUNJOBID= node145-1338651838-27486
PBS_JOBID= 14636435
Free space on /tmp= 70920 MiB

SOLVER NAME= pwbo 2.02
BENCH NAME= PB11/normalized-PB11/OPT-SMALLINT-LIN/heinz/normalized-acc-tight6.opb
COMMAND LINE= pwbo2.02 -file-format=opb -verbosity=0 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3726295-1338658294/watcher-3726295-1338658294 -o /tmp/evaluation-result-3726295-1338658294/solver-3726295-1338658294 -C 1800 -W 1900 -M 15500  pwbo2.02 -file-format=opb -verbosity=0 HOME/instance-3726295-1338658294.opb

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

MD5SUM BENCH= 5628c0ae66ee00344572645709c9b414
RANDOM SEED=1498458144

node145.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/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		: 2667.149
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5334.29
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.149
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.149
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5313.38
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.149
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.149
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.149
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.149
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.149
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.89
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        24370408 kB
Buffers:          426096 kB
Cached:          4759604 kB
SwapCached:            0 kB
Active:          4051272 kB
Inactive:        3594984 kB
Active(anon):    2451508 kB
Inactive(anon):    10928 kB
Active(file):    1599764 kB
Inactive(file):  3584056 kB
Unevictable:        7628 kB
Mlocked:            7628 kB
SwapTotal:      67108856 kB
SwapFree:       67108856 kB
Dirty:              5508 kB
Writeback:             0 kB
AnonPages:       2467488 kB
Mapped:            14884 kB
Shmem:               200 kB
Slab:             714960 kB
SReclaimable:     156552 kB
SUnreclaim:       558408 kB
KernelStack:        1480 kB
PageTables:         8900 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     187380 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:    888832 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 70912 MiB
End job on node145 at 2012-06-02 19:31:35