Trace number 3461215

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
wbo 1.6SAT 0.832872 0.833997

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
MD5SUMa6ae80bf3bd14a966c0a388701471ae7
Bench CategoryDEC-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.832872
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 258
Number of bits of the biggest number in a constraint 9
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

Solver Data 

0.00/0.00	c wbo 1.6 beta - 20110321
0.00/0.00	c Parsing opb file format. File HOME/instance-3461215-1307068989.opb.
0.00/0.00	c Instance file HOME/instance-3461215-1307068989.opb
0.00/0.00	c File size is 11432849 bytes.
0.59/0.70	c Highest Coefficient sum: 759
0.59/0.70	c ============================[ Problem Statistics ]=============================
0.59/0.70	c |                                                                             |
0.59/0.70	c |  Parsing time:          0.69         s                                      |
0.59/0.70	c |  Number Variables:      1600                                                |
0.59/0.70	c |  Number Clauses:        327130                                              |
0.59/0.70	c |  Number Cardinality:    62                                                  |
0.59/0.70	c |  Number PB Constraints: 1770                                                |
0.69/0.70	c ============================[ Search Statistics ]==============================
0.69/0.70	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.69/0.70	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.69/0.70	c ===============================================================================
0.69/0.70	c |         0 |    1600   328962  1068140 |   109654        0   -nan |  0.000 % |
0.79/0.82	c ============================[ Search Statistics ]==============================
0.79/0.82	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.79/0.82	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.79/0.82	c ===============================================================================
0.79/0.82	c |         0 |    1600   328962  1068140 |   109654        0   -nan |  0.000 % |
0.79/0.82	c ===============================================================================
0.79/0.83	c #cores: 0
0.79/0.83	c Final Weight: 0
0.79/0.83	s SATISFIABLE
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0.79/0.83	c Total CPU time: 0.804877 s

Verifier Data 

OK	0

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-3461215-1307068989/watcher-3461215-1307068989 -o /tmp/evaluation-result-3461215-1307068989/solver-3461215-1307068989 -C 1800 -W 1900 -M 15500 wbo1.6 -file-format=opb -time-limit=1800 HOME/instance-3461215-1307068989.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: 2.14 2.09 1.94 2/558 29132
/proc/meminfo: memFree=28707760/32951124 swapFree=34426104/67111528
[pid=29132] ppid=29129 vsize=14068 CPUtime=0.01 cores=1,3,5,7
/proc/29132/stat : 29132 (wbo1.6) R 29129 29132 27313 0 -1 4202496 548 0 0 0 1 0 0 0 25 0 1 0 897129569 14405632 502 33554432000 4194304 5714214 140736341797056 18446744073709551615 4233632 0 0 4096 3 0 0 0 17 3 0 0 0
/proc/29132/statm: 3517 502 222 372 0 350 0

[startup+0.0921149 s]
/proc/loadavg: 2.14 2.09 1.94 2/558 29132
/proc/meminfo: memFree=28707760/32951124 swapFree=34426104/67111528
[pid=29132] ppid=29129 vsize=17188 CPUtime=0.08 cores=1,3,5,7
/proc/29132/stat : 29132 (wbo1.6) R 29129 29132 27313 0 -1 4202496 1642 0 0 0 8 0 0 0 25 0 1 0 897129569 17600512 1563 33554432000 4194304 5714214 140736341797056 18446744073709551615 4970426 0 0 4096 3 0 0 0 17 3 0 0 0
/proc/29132/statm: 4297 1563 527 372 0 1130 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 17188

[startup+0.101125 s]
/proc/loadavg: 2.14 2.09 1.94 2/558 29132
/proc/meminfo: memFree=28707760/32951124 swapFree=34426104/67111528
[pid=29132] ppid=29129 vsize=17452 CPUtime=0.09 cores=1,3,5,7
/proc/29132/stat : 29132 (wbo1.6) R 29129 29132 27313 0 -1 4202496 1759 0 0 0 9 0 0 0 25 0 1 0 897129569 17870848 1680 33554432000 4194304 5714214 140736341797056 18446744073709551615 4964926 0 0 4096 3 0 0 0 17 3 0 0 0
/proc/29132/statm: 4363 1680 563 372 0 1196 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 17452

[startup+0.301081 s]
/proc/loadavg: 2.14 2.09 1.94 2/558 29132
/proc/meminfo: memFree=28707760/32951124 swapFree=34426104/67111528
[pid=29132] ppid=29129 vsize=26376 CPUtime=0.29 cores=1,3,5,7
/proc/29132/stat : 29132 (wbo1.6) R 29129 29132 27313 0 -1 4202496 4803 0 0 0 29 0 0 0 25 0 1 0 897129569 27009024 4530 33554432000 4194304 5714214 140736341797056 18446744073709551615 4228419 0 0 4096 3 0 0 0 17 3 0 0 0
/proc/29132/statm: 6594 4530 1367 372 0 3427 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 26376

[startup+0.701013 s]
/proc/loadavg: 2.14 2.09 1.94 2/558 29132
/proc/meminfo: memFree=28707760/32951124 swapFree=34426104/67111528
[pid=29132] ppid=29129 vsize=33072 CPUtime=0.69 cores=1,3,5,7
/proc/29132/stat : 29132 (wbo1.6) R 29129 29132 27313 0 -1 4202496 10857 0 0 0 68 1 0 0 18 0 1 0 897129569 33865728 7535 33554432000 4194304 5714214 140736341797056 18446744073709551615 4253646 0 0 4096 3 0 0 0 17 3 0 0 0
/proc/29132/statm: 8268 7535 172 372 0 7893 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 33072

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

[startup+0.801 s]
/proc/loadavg: 2.14 2.09 1.94 2/558 29132
/proc/meminfo: memFree=28707760/32951124 swapFree=34426104/67111528
[pid=29132] ppid=29129 vsize=59396 CPUtime=0.79 cores=1,3,5,7
/proc/29132/stat : 29132 (wbo1.6) R 29129 29132 27313 0 -1 4202496 17172 0 0 0 77 2 0 0 18 0 1 0 897129569 60821504 13850 33554432000 4194304 5714214 140736341797056 18446744073709551615 4970426 0 0 4096 3 0 0 0 17 3 0 0 0
/proc/29132/statm: 14849 13859 173 372 0 14474 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 59396

Child status: 0
Real time (s): 0.833997
CPU time (s): 0.832872
CPU user time (s): 0.804877
CPU system time (s): 0.027995
CPU usage (%): 99.8651
Max. virtual memory (cumulated for all children) (KiB): 59396

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.804877
system time used= 0.027995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 17711
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= 3
involuntary context switches= 2

runsolver used 0.004999 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node118 at 2011-06-03 04:43:09
IDJOB=3461215
IDBENCH=1376
IDSOLVER=1953
FILE ID=node118/3461215-1307068989
RUNJOBID= node118-1307066710-28358
PBS_JOBID= 13497868
Free space on /tmp= 73736 MiB

SOLVER NAME= wbo 1.6
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
COMMAND LINE= wbo1.6 -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3461215-1307068989/watcher-3461215-1307068989 -o /tmp/evaluation-result-3461215-1307068989/solver-3461215-1307068989 -C 1800 -W 1900 -M 15500  wbo1.6 -file-format=opb -time-limit=1800 HOME/instance-3461215-1307068989.opb

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

MD5SUM BENCH= a6ae80bf3bd14a966c0a388701471ae7
RANDOM SEED=1604413371

node118.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		: 2666.842
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		: 2666.842
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		: 2666.842
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		: 2666.842
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		: 2666.842
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	: 5332.68
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		: 2666.842
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		: 2666.842
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		: 2666.842
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	: 5374.59
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      28707916 kB
Buffers:        303968 kB
Cached:        1943996 kB
SwapCached:      56168 kB
Active:         933944 kB
Inactive:      2972896 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      28707916 kB
SwapTotal:    67111528 kB
SwapFree:     34426104 kB
Dirty:           15612 kB
Writeback:           0 kB
AnonPages:     1615816 kB
Mapped:          15580 kB
Slab:           149768 kB
PageTables:     115596 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 183895652 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= 73732 MiB
End job on node118 at 2011-06-03 04:43:10