Trace number 3461362

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
wbo 1.6OPT68 0.19097 0.191221

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/
submitted-PB05/manquinho/routing/normalized-s4-4-3-9pb.opb
MD5SUM7f8cd0ba2dda7463f3c06a016c2c7d47
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark68
Best CPU time to get the best result obtained on this benchmark0.19097
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 68
Optimality of the best value was proved YES
Number of variables840
Total number of constraints2526
Number of constraints which are clauses2502
Number of constraints which are cardinality constraints (but not clauses)24
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint35
Number of terms in the objective function 840
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 840
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 840
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

Solver Data 

0.00/0.00	c wbo 1.6 beta - 20110321
0.00/0.00	c Parsing opb file format. File HOME/instance-3461362-1307081457.opb.
0.00/0.00	c Instance file HOME/instance-3461362-1307081457.opb
0.00/0.00	c File size is 91202 bytes.
0.00/0.00	c Highest Coefficient sum: 38
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Parsing time:          0.01         s                                      |
0.00/0.00	c |  Number Variables:      840                                                 |
0.00/0.00	c |  Number Clauses:        2502                                                |
0.00/0.00	c |  Number Cardinality:    24                                                  |
0.00/0.00	c |  Number PB Constraints: 0                                                   |
0.00/0.00	c ============================[ Search Statistics ]==============================
0.00/0.00	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.00	c ===============================================================================
0.00/0.00	c |         0 |     840     2526     7790 |     5000        0   -nan |  0.000 % |
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0.00/0.04	c Current CPU time: 0.036994 s
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0.00/0.04	c Current CPU time: 0.040993 s
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0.00/0.06	c core #62
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0.00/0.06	c Current CPU time: 0.05999 s
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0.00/0.06	c Current CPU time: 0.06199 s
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0.00/0.06	c ============================[ Search Statistics ]==============================
0.00/0.06	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.06	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.06	c ===============================================================================
0.00/0.06	c |         0 |     393     3059     2983 |     5000        0   -nan |  0.000 % |
0.00/0.06	c ===============================================================================
0.00/0.06	c core #65
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0.00/0.06	c Core size: 170	Core Weight: 1	Total Weight: 65
0.00/0.06	c Current CPU time: 0.06399 s
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0.00/0.06	c ============================[ Search Statistics ]==============================
0.00/0.06	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.06	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.06	c ===============================================================================
0.00/0.06	c |         0 |     611     3074     4073 |     5000        0   -nan |  0.000 % |
0.00/0.06	c ===============================================================================
0.00/0.06	c core #66
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0.00/0.06	c Current CPU time: 0.066989 s
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0.00/0.06	c ============================[ Search Statistics ]==============================
0.00/0.06	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.06	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.06	c ===============================================================================
0.00/0.06	c |         0 |     875     3086     5025 |     5000        0   -nan |  0.000 % |
0.00/0.07	c |       100 |     872     3086     5025 |     5500      100     13 | 32.428 % |
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0.00/0.07	c core #67
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0.00/0.07	c Current CPU time: 0.074988 s
0.00/0.07	c
0.00/0.07	c ============================[ Search Statistics ]==============================
0.00/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.07	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.07	c ===============================================================================
0.00/0.07	c |         0 |    1310     3109     6992 |     5000        0   -nan |  0.000 % |
0.00/0.08	c |       101 |    1297     3109     6992 |     5500      101     11 | 19.391 % |
0.00/0.08	c |       251 |    1270     3109     6992 |     6050      251     10 | 21.194 % |
0.00/0.09	c |       476 |    1244     3109     6992 |     6655      476     12 | 22.685 % |
0.00/0.11	c |       813 |    1194     3109     6992 |     7320      813     15 | 25.792 % |
0.11/0.12	c |      1319 |    1186     3109     6992 |     8052     1319     19 | 26.356 % |
0.11/0.13	c ===============================================================================
0.11/0.13	c core #68
0.11/0.13	c 
0.11/0.13	c 
0.11/0.13	c Core size: 526	Core Weight: 1	Total Weight: 68
0.11/0.13	c Current CPU time: 0.13098 s
0.11/0.13	c
0.11/0.13	c ============================[ Search Statistics ]==============================
0.11/0.13	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.11/0.13	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.11/0.13	c ===============================================================================
0.11/0.13	c |         0 |    1881     3135     9239 |     5000        0   -nan |  0.000 % |
0.11/0.13	c |       100 |    1881     3135     9239 |     5500      100     22 |  7.613 % |
0.11/0.14	c |       251 |    1878     3135     9239 |     6050      251     16 |  7.760 % |
0.11/0.16	c |       476 |    1878     3135     9239 |     6655      476     15 |  7.760 % |
0.11/0.19	c ===============================================================================
0.11/0.19	c #cores: 68
0.11/0.19	c Final Weight: 68
0.11/0.19	o 68
0.11/0.19	s OPTIMUM FOUND
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0.11/0.19	c Total CPU time: 0.183972 s

Verifier Data 

OK	68

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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-3461362-1307081457/watcher-3461362-1307081457 -o /tmp/evaluation-result-3461362-1307081457/solver-3461362-1307081457 -C 1800 -W 1900 -M 15500 wbo1.6 -file-format=opb -time-limit=1800 HOME/instance-3461362-1307081457.opb 

running on 4 cores: 0,2,4,6

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: 2.00 2.02 2.03 1/556 27575
/proc/meminfo: memFree=30215836/32950928 swapFree=41528364/67111528
[pid=27575] ppid=27573 vsize=2908 CPUtime=0.01 cores=0,2,4,6
/proc/27575/stat : 27575 (wbo1.6) R 27573 27575 24081 0 -1 4202496 555 0 0 0 1 0 0 0 25 0 1 0 819744416 2977792 485 33554432000 4194304 5714214 140736409669488 18446744073709551615 5070807 0 0 4096 3 0 0 0 17 4 0 0 0
/proc/27575/statm: 727 485 176 372 0 352 0

[startup+0.117346 s]
/proc/loadavg: 2.00 2.02 2.03 1/556 27575
/proc/meminfo: memFree=30215836/32950928 swapFree=41528364/67111528
[pid=27575] ppid=27573 vsize=3740 CPUtime=0.11 cores=0,2,4,6
/proc/27575/stat : 27575 (wbo1.6) R 27573 27575 24081 0 -1 4202496 752 0 0 0 11 0 0 0 25 0 1 0 819744416 3829760 682 33554432000 4194304 5714214 140736409669488 18446744073709551615 4199408 0 0 4096 3 0 0 0 17 4 0 0 0
/proc/27575/statm: 935 682 180 372 0 560 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 3740

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

[startup+0.117346 s]
/proc/loadavg: 2.00 2.02 2.03 1/556 27575
/proc/meminfo: memFree=30215836/32950928 swapFree=41528364/67111528
[pid=27575] ppid=27573 vsize=3740 CPUtime=0.11 cores=0,2,4,6
/proc/27575/stat : 27575 (wbo1.6) R 27573 27575 24081 0 -1 4202496 752 0 0 0 11 0 0 0 25 0 1 0 819744416 3829760 682 33554432000 4194304 5714214 140736409669488 18446744073709551615 4199408 0 0 4096 3 0 0 0 17 4 0 0 0
/proc/27575/statm: 935 682 180 372 0 560 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 3740

Child status: 0
Real time (s): 0.191221
CPU time (s): 0.19097
CPU user time (s): 0.183972
CPU system time (s): 0.006998
CPU usage (%): 99.8687
Max. virtual memory (cumulated for all children) (KiB): 3740

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.183972
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 888
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= 6
involuntary context switches= 1

runsolver used 0.005999 second user time and 0.015997 second system time

The end

Launcher Data 

Begin job on node126 at 2011-06-03 08:10:57
IDJOB=3461362
IDBENCH=2030
IDSOLVER=1953
FILE ID=node126/3461362-1307081457
RUNJOBID= node126-1307077852-27210
PBS_JOBID= 13497860
Free space on /tmp= 73792 MiB

SOLVER NAME= wbo 1.6
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/routing/normalized-s4-4-3-9pb.opb
COMMAND LINE= wbo1.6 -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3461362-1307081457/watcher-3461362-1307081457 -o /tmp/evaluation-result-3461362-1307081457/solver-3461362-1307081457 -C 1800 -W 1900 -M 15500  wbo1.6 -file-format=opb -time-limit=1800 HOME/instance-3461362-1307081457.opb

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

MD5SUM BENCH= 7f8cd0ba2dda7463f3c06a016c2c7d47
RANDOM SEED=898963295

node126.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		: 2666.783
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	: 5333.56
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		: 2666.783
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		: 2666.783
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		: 2666.783
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		: 2666.783
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	: 5332.80
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		: 2666.783
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		: 2666.783
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	: 5332.82
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		: 2666.783
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	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      30215992 kB
Buffers:        265812 kB
Cached:         395280 kB
SwapCached:      15328 kB
Active:        2041048 kB
Inactive:       375348 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      30215992 kB
SwapTotal:    67111528 kB
SwapFree:     41528364 kB
Dirty:            4288 kB
Writeback:           0 kB
AnonPages:     1752580 kB
Mapped:          23296 kB
Slab:           146492 kB
PageTables:      99960 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 176376260 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= 73784 MiB
End job on node126 at 2011-06-03 08:10:57