Trace number 3463750

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
bsolo 3.2OPT110 0.701892 0.702134

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-test1.r.opb
MD5SUM8e6ac0bad8d074da12c63269189a8260
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark110
Best CPU time to get the best result obtained on this benchmark0.12498
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 110
Optimality of the best value was proved YES
Number of variables2091
Total number of constraints362
Number of constraints which are clauses362
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint3
Maximum length of a constraint48
Number of terms in the objective function 2091
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 2091
Number of bits of the sum of numbers in the objective function 12
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 2091
Number of bits of the biggest sum of numbers12
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.00	c bsolo beta version 3.2 - 23/05/2010 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Instance file HOME/instance-3463750-1307179098.opb
0.00/0.00	c File size is 60474 bytes.
0.00/0.02	c Highest Coefficient sum: 2091
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.003 s
0.00/0.02	c Var: 2091 Constr: 362 362/0/0 Lit: 4800 Watch. Lit: 724
0.00/0.02	c Obj. Vars: 2091 (100 % of total variables)
0.00/0.02	c Formula reductions applied at preprocessing
0.00/0.02	c Pre-processing Time: 0.013 s
0.00/0.05	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.05	c        0    581      322     4061   12      644     107      0      0 0.01
0.00/0.05	c Initial Lower Bound: 110
0.00/0.05	c Initial Path Cost: 12
0.00/0.05	o 139
0.11/0.15	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.11/0.15	c        0    581      323     4642   14     1100    1107      1      0 0.06
0.11/0.15	o 114
0.19/0.27	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.27	c        0    581      324     5223   16     1581    2107      2      0 0.16
0.19/0.27	o 113
0.49/0.52	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.49/0.52	c        1    581      328     5939   18     2069    2107      6      3 0.27
0.49/0.52	o 112
0.49/0.59	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.49/0.59	c       14    581      364     8424   23     2622    2107     42     26 0.53
0.49/0.59	o 111
0.59/0.68	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.59/0.68	c       16    581      370     9084   24     3116    2107     48     26 0.60
0.59/0.68	o 110
0.69/0.70	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.70	c       22    580      386     9840   25     3630    2107     64     32 0.69
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0.69/0.70	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.69/0.70	c    6       23      2      699      389     9843     67     32 0.70
0.69/0.70	c Objective: 110
0.69/0.70	s OPTIMUM FOUND
0.69/0.70	c Total time: 0.7 s

Verifier Data 

OK	110

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-3463750-1307179098/watcher-3463750-1307179098 -o /tmp/evaluation-result-3463750-1307179098/solver-3463750-1307179098 -C 1800 -W 1900 -M 15500 bsolo -l2 -t1800 HOME/instance-3463750-1307179098.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: 2.04 2.05 2.00 3/575 32417
/proc/meminfo: memFree=22493472/32951124 swapFree=58940260/67111528
[pid=32417] ppid=32415 vsize=11284 CPUtime=0.01 cores=0,2,4,6
/proc/32417/stat : 32417 (bsolo) R 32415 32417 30921 0 -1 4202496 481 0 0 0 1 0 0 0 18 0 1 0 829507491 11554816 420 33554432000 134512640 137138936 4293886560 18446744073709551615 136506715 0 0 4096 16384 0 0 0 17 4 0 0 0
/proc/32417/statm: 2821 421 218 642 0 2177 0

[startup+0.117982 s]
/proc/loadavg: 2.04 2.05 2.00 3/575 32417
/proc/meminfo: memFree=22493472/32951124 swapFree=58940260/67111528
[pid=32417] ppid=32415 vsize=11520 CPUtime=0.11 cores=0,2,4,6
/proc/32417/stat : 32417 (bsolo) R 32415 32417 30921 0 -1 4202496 2772 0 0 0 11 0 0 0 18 0 1 0 829507491 11796480 547 33554432000 134512640 137138936 4293886560 18446744073709551615 134745074 0 0 4096 16384 0 0 0 17 4 0 0 0
/proc/32417/statm: 2880 547 282 642 0 2236 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 11520

[startup+0.200957 s]
/proc/loadavg: 2.04 2.05 2.00 3/575 32417
/proc/meminfo: memFree=22493472/32951124 swapFree=58940260/67111528
[pid=32417] ppid=32415 vsize=12592 CPUtime=0.19 cores=0,2,4,6
/proc/32417/stat : 32417 (bsolo) R 32415 32417 30921 0 -1 4202496 4868 0 0 0 19 0 0 0 18 0 1 0 829507491 12894208 590 33554432000 134512640 137138936 4293886560 18446744073709551615 134730846 0 0 4096 16384 0 0 0 17 4 0 0 0
/proc/32417/statm: 3148 590 283 642 0 2504 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 12592

[startup+0.300966 s]
/proc/loadavg: 2.04 2.05 2.00 3/575 32417
/proc/meminfo: memFree=22493472/32951124 swapFree=58940260/67111528
[pid=32417] ppid=32415 vsize=12608 CPUtime=0.29 cores=0,2,4,6
/proc/32417/stat : 32417 (bsolo) R 32415 32417 30921 0 -1 4202496 8059 0 0 0 29 0 0 0 18 0 1 0 829507491 12910592 595 33554432000 134512640 137138936 4293886560 18446744073709551615 134848311 0 0 4096 16384 0 0 0 17 4 0 0 0
/proc/32417/statm: 3152 595 286 642 0 2508 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12608

[startup+0.700867 s]
/proc/loadavg: 2.04 2.05 2.00 3/575 32417
/proc/meminfo: memFree=22493472/32951124 swapFree=58940260/67111528
[pid=32417] ppid=32415 vsize=12700 CPUtime=0.69 cores=0,2,4,6
/proc/32417/stat : 32417 (bsolo) R 32415 32417 30921 0 -1 4202496 20260 0 0 0 67 2 0 0 18 0 1 0 829507491 13004800 683 33554432000 134512640 137138936 4293886560 18446744073709551615 136506019 0 0 4096 16384 0 0 0 17 4 0 0 0
/proc/32417/statm: 3175 683 287 642 0 2531 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12700

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

[startup+0.700867 s]
/proc/loadavg: 2.04 2.05 2.00 3/575 32417
/proc/meminfo: memFree=22493472/32951124 swapFree=58940260/67111528
[pid=32417] ppid=32415 vsize=12700 CPUtime=0.69 cores=0,2,4,6
/proc/32417/stat : 32417 (bsolo) R 32415 32417 30921 0 -1 4202496 20260 0 0 0 67 2 0 0 18 0 1 0 829507491 13004800 683 33554432000 134512640 137138936 4293886560 18446744073709551615 136506019 0 0 4096 16384 0 0 0 17 4 0 0 0
/proc/32417/statm: 3175 683 287 642 0 2531 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12700

Child status: 0
Real time (s): 0.702134
CPU time (s): 0.701892
CPU user time (s): 0.673897
CPU system time (s): 0.027995
CPU usage (%): 99.9655
Max. virtual memory (cumulated for all children) (KiB): 12700

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.673897
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= 20263
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= 1

runsolver used 0.003999 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node139 at 2011-06-04 11:18:18
IDJOB=3463750
IDBENCH=2886
IDSOLVER=1955
FILE ID=node139/3463750-1307179098
RUNJOBID= node139-1307174603-31938
PBS_JOBID= 13508863
Free space on /tmp= 73464 MiB

SOLVER NAME= bsolo 3.2
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-test1.r.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3463750-1307179098/watcher-3463750-1307179098 -o /tmp/evaluation-result-3463750-1307179098/solver-3463750-1307179098 -C 1800 -W 1900 -M 15500  bsolo -l2 -t1800 HOME/instance-3463750-1307179098.opb

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

MD5SUM BENCH= 8e6ac0bad8d074da12c63269189a8260
RANDOM SEED=1944070752

node139.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		: 2666.852
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	: 5333.70
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		: 2666.852
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		: 2666.852
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		: 2666.852
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		: 2666.852
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	: 5321.49
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		: 2666.852
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		: 2666.852
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		: 2666.852
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:      22493628 kB
Buffers:        277692 kB
Cached:         623224 kB
SwapCached:       3628 kB
Active:        9640072 kB
Inactive:       512612 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      22493628 kB
SwapTotal:    67111528 kB
SwapFree:     58940260 kB
Dirty:            4188 kB
Writeback:           0 kB
AnonPages:     9249668 kB
Mapped:          33732 kB
Slab:           153084 kB
PageTables:      80764 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 171945656 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= 73460 MiB
End job on node139 at 2011-06-04 11:18:18