Trace number 3500756

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 0.6529 0.334888

General information on the benchmark

Name/OPT-SMALLINT-LIN/heinz/
normalized-acc-tight4.opb
MD5SUM544751475eb0bf1fd63d98023800b31a
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 benchmark0.302953
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1620
Total number of constraints3285
Number of constraints which are clauses2430
Number of constraints which are cardinality constraints (but not clauses)855
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-3500756-1307997809.opb.
0.00/0.00	c Instance file HOME/instance-3500756-1307997809.opb
0.00/0.00	c File size is 164635 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:      1620                                                |
0.00/0.01	c |  Number Clauses:        2691                                                |
0.00/0.01	c |  Number Cardinality:    891                                                 |
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
0.58/0.33	c ub 0 (thread 1)
0.58/0.33	o 0
0.58/0.33	c ub 0 = lb 0
0.58/0.33	s OPTIMUM FOUND
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-x1608 -x1609 -x1610 -x1611 -x1612 -x1613 -x1614 x1615 -x1616 -x1617 -x1618 -x1619 -x1620
0.58/0.33	c Memory used           : 134.11 MB
0.58/0.33	c CPU time              : 0.628904 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 /var/tmp/evaluation-result-3500756-1307997809/watcher-3500756-1307997809 -o /var/tmp/evaluation-result-3500756-1307997809/solver-3500756-1307997809 -C 1800 -W 1900 -M 15500 pwbo1.1 -file-format=opb HOME/instance-3500756-1307997809.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: 3.83 3.89 3.74 3/179 13015
/proc/meminfo: memFree=7718028/32950940 swapFree=67053420/67111528
[pid=13015] ppid=13013 vsize=3540 CPUtime=0 cores=1,3,5,7
/proc/13015/stat : 13015 (pwbo1.1) R 13013 13015 11319 0 -1 4202496 613 0 0 0 0 0 0 0 25 0 1 0 990011699 3624960 565 33554432000 4194304 5714118 140735802899216 18446744073709551615 4336951 0 0 4096 16387 0 0 0 17 3 0 0 0
/proc/13015/statm: 885 565 169 372 0 469 0

[startup+0.0886779 s]
/proc/loadavg: 3.83 3.89 3.74 3/179 13015
/proc/meminfo: memFree=7718028/32950940 swapFree=67053420/67111528
[pid=13015] ppid=13013 vsize=137320 CPUtime=0.15 cores=1,3,5,7
/proc/13015/stat : 13015 (pwbo1.1) S 13013 13015 11319 0 -1 4202496 1895 0 0 0 15 0 0 0 25 0 3 0 990011699 140615680 1806 33554432000 4194304 5714118 140735802899216 18446744073709551615 4419421 0 0 4096 16387 18446744073709551615 0 0 17 3 0 0 0
/proc/13015/statm: 34330 1806 181 372 0 33955 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 137320

[startup+0.100674 s]
/proc/loadavg: 3.83 3.89 3.74 3/179 13015
/proc/meminfo: memFree=7718028/32950940 swapFree=67053420/67111528
[pid=13015] ppid=13013 vsize=137320 CPUtime=0.17 cores=1,3,5,7
/proc/13015/stat : 13015 (pwbo1.1) S 13013 13015 11319 0 -1 4202496 1929 0 0 0 17 0 0 0 25 0 3 0 990011699 140615680 1840 33554432000 4194304 5714118 140735802899216 18446744073709551615 4419421 0 0 4096 16387 18446744073709551615 0 0 17 3 0 0 0
/proc/13015/statm: 34330 1840 181 372 0 33955 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 137320

[startup+0.30064 s]
/proc/loadavg: 3.83 3.89 3.74 3/179 13015
/proc/meminfo: memFree=7718028/32950940 swapFree=67053420/67111528
[pid=13015] ppid=13013 vsize=137320 CPUtime=0.58 cores=1,3,5,7
/proc/13015/stat : 13015 (pwbo1.1) S 13013 13015 11319 0 -1 4202496 2311 0 0 0 56 2 0 0 25 0 3 0 990011699 140615680 2222 33554432000 4194304 5714118 140735802899216 18446744073709551615 4419421 0 0 4096 16387 18446744073709551615 0 0 17 3 0 0 0
/proc/13015/statm: 34330 2222 181 372 0 33955 0
Current children cumulated CPU time (s) 0.58
Current children cumulated vsize (KiB) 137320

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

Child status: 0
Real time (s): 0.334888
CPU time (s): 0.6529
CPU user time (s): 0.628904
CPU system time (s): 0.023996
CPU usage (%): 194.961
Max. virtual memory (cumulated for all children) (KiB): 137320

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.628904
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2386
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= 46
involuntary context switches= 3

runsolver used 0 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node117 at 2011-06-13 22:43:29
IDJOB=3500756
IDBENCH=89847
IDSOLVER=1954
FILE ID=node117/3500756-1307997809
RUNJOBID= node117-1307996903-12878
PBS_JOBID= 13559732
Free space on /var/tmp= 2880 MiB

SOLVER NAME= pwbo 1.1
BENCH NAME= PB11/normalized-PB11/OPT-SMALLINT-LIN/heinz/normalized-acc-tight4.opb
COMMAND LINE= pwbo1.1 -file-format=opb BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /var/tmp/evaluation-result-3500756-1307997809/watcher-3500756-1307997809 -o /var/tmp/evaluation-result-3500756-1307997809/solver-3500756-1307997809 -C 1800 -W 1900 -M 15500  pwbo1.1 -file-format=opb HOME/instance-3500756-1307997809.opb

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

MD5SUM BENCH= 544751475eb0bf1fd63d98023800b31a
RANDOM SEED=822759970

node117.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		: 2666.849
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	: 5333.69
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		: 2666.849
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		: 2666.849
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		: 2666.849
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	: 5332.75
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		: 2666.849
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	: 5332.75
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		: 2666.849
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	: 5332.74
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		: 2666.849
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	: 5332.75
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		: 2666.849
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	: 5267.44
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950940 kB
MemFree:       7718952 kB
Buffers:        123756 kB
Cached:       23714556 kB
SwapCached:      11260 kB
Active:        8606272 kB
Inactive:     15841416 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950940 kB
LowFree:       7718952 kB
SwapTotal:    67111528 kB
SwapFree:     67053420 kB
Dirty:            4296 kB
Writeback:           0 kB
AnonPages:      605932 kB
Mapped:          13728 kB
Slab:           718664 kB
PageTables:       5448 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586996 kB
Committed_AS:   800500 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 /var/tmp at the end= 2876 MiB
End job on node117 at 2011-06-13 22:43:30