Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r464-smll-171620118000196.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is AirplaneLD-COL-0100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r464-smll-171620118000196
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 8.2K Apr 12 03:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Apr 12 03:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Apr 12 03:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Apr 12 03:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Apr 22 14:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 22 14:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 03:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Apr 12 03:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Apr 12 03:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Apr 12 03:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 52K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-00
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-01
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-02
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-03
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-04
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-05
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-06
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-07
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-08
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-09
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-10
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-11
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-12
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-13
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-14
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717248862048

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-COL-0100
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 13:34:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 13:34:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 13:34:24] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-06-01 13:34:25] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 13:34:25] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1490 ms
[2024-06-01 13:34:25] [INFO ] Detected 3 constant HL places corresponding to 302 PT places.
[2024-06-01 13:34:25] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 719 PT places and 1212.0 transition bindings in 50 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
[2024-06-01 13:34:26] [INFO ] Built PT skeleton of HLPN with 20 places and 15 transitions 56 arcs in 9 ms.
[2024-06-01 13:34:26] [INFO ] Skeletonized 15 HLPN properties in 4 ms. Removed 1 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA AirplaneLD-COL-0100-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 20 stabilizing places and 15 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 20 transition count 15
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Remains 8 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 17 stabilizing places and 14 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 17 transition count 14
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 40000 steps (5053 resets) in 1413 ms. (28 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40003 steps (1426 resets) in 311 ms. (128 steps per ms) remains 1/1 properties
// Phase 1: matrix 14 rows 17 cols
[2024-06-01 13:34:26] [INFO ] Computed 3 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp0 is UNSAT
After SMT solving in domain Real declared 10/31 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 211ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 8 simplifications.
[2024-06-01 13:34:27] [INFO ] Flatten gal took : 21 ms
[2024-06-01 13:34:27] [INFO ] Flatten gal took : 7 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Altitude
Symmetric sort wr.t. initial detected :Altitude
Transition t3_2 : guard parameter $A(Altitude:200) in guard (OR (GEQ $A 99) (EQ $A 199))introduces in Altitude(200) partition with 2 elements
Transition t3_1 : guard parameter $A(Altitude:200) in guard (AND (LT $A 99) (NEQ $A 199))introduces in Altitude(200) partition with 2 elements
Sort wr.t. initial and guards Altitude has partition 2
Applying symmetric unfolding of partitioned symmetric sort :Altitude domain size was 200 reducing to 2 values.
For transition t3_2:(OR (GEQ $A 99) (EQ $A 199)) -> (EQ $A 1)
For transition t3_1:(AND (LT $A 99) (NEQ $A 199)) -> (EQ $A 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Speed
Symmetric sort wr.t. initial detected :Speed
Transition t5_2 : guard parameter $S(Speed:100) in guard (OR (LEQ $S 49) (EQ $S 99))introduces in Speed(100) partition with 2 elements
Transition t5_1 : guard parameter $S(Speed:100) in guard (AND (GT $S 49) (NEQ $S 99))introduces in Speed(100) partition with 2 elements
Transition t4_2 : guard parameter $S(Speed:100) in guard (OR (LEQ $S 49) (EQ $S 99))introduces in Speed(100) partition with 2 elements
Transition t4_1 : guard parameter $S(Speed:100) in guard (AND (GT $S 49) (NEQ $S 99))introduces in Speed(100) partition with 2 elements
Sort wr.t. initial and guards Speed has partition 2
Applying symmetric unfolding of partitioned symmetric sort :Speed domain size was 100 reducing to 2 values.
For transition t5_2:(OR (LEQ $S 49) (EQ $S 99)) -> (EQ $S 1)
For transition t5_1:(AND (GT $S 49) (NEQ $S 99)) -> (EQ $S 0)
For transition t4_2:(OR (LEQ $S 49) (EQ $S 99)) -> (EQ $S 1)
For transition t4_1:(AND (GT $S 49) (NEQ $S 99)) -> (EQ $S 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Signal
Arc [19:1*[1]] contains constants of sort Signal
Transition t5_2 : constants on arcs in [[19:1*[1]]] introduces in Signal(2) partition with 1 elements that refines current partition to 2 subsets.
Symmetric sort wr.t. initial and guards and successors and join/free detected :Weight
Symmetric sort wr.t. initial detected :Weight
Transition t2_2 : guard parameter $W(Weight:2) in guard (EQ $W 1)introduces in Weight(2) partition with 2 elements
[2024-06-01 13:34:27] [INFO ] Unfolded HLPN to a Petri net with 29 places and 20 transitions 56 arcs in 45 ms.
[2024-06-01 13:34:27] [INFO ] Unfolded 15 HLPN properties in 0 ms.
[2024-06-01 13:34:27] [INFO ] Reduced 1 identical enabling conditions.
[2024-06-01 13:34:27] [INFO ] Reduced 1 identical enabling conditions.
[2024-06-01 13:34:27] [INFO ] Reduced 1 identical enabling conditions.
[2024-06-01 13:34:27] [INFO ] Reduced 1 identical enabling conditions.
[2024-06-01 13:34:27] [INFO ] Reduced 1 identical enabling conditions.
[2024-06-01 13:34:27] [INFO ] Reduced 1 identical enabling conditions.
[2024-06-01 13:34:27] [INFO ] Reduced 1 identical enabling conditions.
[2024-06-01 13:34:27] [INFO ] Reduced 1 identical enabling conditions.
Reduce places removed 6 places and 0 transitions.
Support contains 18 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 20
Applied a total of 3 rules in 14 ms. Remains 20 /23 variables (removed 3) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2024-06-01 13:34:27] [INFO ] Computed 1 invariants in 4 ms
[2024-06-01 13:34:27] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-01 13:34:27] [INFO ] Invariant cache hit.
[2024-06-01 13:34:27] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-06-01 13:34:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 4/40 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 21 constraints, problems are : Problem set: 0 solved, 10 unsolved in 265 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 10/27 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 4/40 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/40 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 31 constraints, problems are : Problem set: 0 solved, 10 unsolved in 277 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 555ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 557ms
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 20/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 711 ms. Remains : 20/23 places, 20/20 transitions.
Support contains 18 out of 20 places after structural reductions.
[2024-06-01 13:34:28] [INFO ] Flatten gal took : 5 ms
[2024-06-01 13:34:28] [INFO ] Flatten gal took : 6 ms
[2024-06-01 13:34:28] [INFO ] Input system was already deterministic with 20 transitions.
Reduction of identical properties reduced properties to check from 16 to 14
RANDOM walk for 40000 steps (5016 resets) in 986 ms. (40 steps per ms) remains 1/14 properties
BEST_FIRST walk for 40003 steps (1006 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
[2024-06-01 13:34:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/11 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp0 is UNSAT
After SMT solving in domain Real declared 22/40 variables, and 10 constraints, problems are : Problem set: 1 solved, 0 unsolved in 46 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 10/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 54ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA AirplaneLD-COL-0100-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
Computed a total of 20 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 20 transition count 20
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(p0) U !p1))))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 8 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2024-06-01 13:34:29] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:34:29] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-06-01 13:34:29] [INFO ] Invariant cache hit.
[2024-06-01 13:34:29] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2024-06-01 13:34:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 1/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 18/33 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 4/37 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/37 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 37/37 variables, and 20 constraints, problems are : Problem set: 0 solved, 9 unsolved in 274 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 1/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 18/33 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 9/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 4/37 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 37/37 variables, and 29 constraints, problems are : Problem set: 0 solved, 9 unsolved in 220 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 508ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 509ms
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 18/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 619 ms. Remains : 19/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 481 ms :[p1, (OR (NOT p0) p1), p1, p1, true]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-00
Product exploration explored 100000 steps with 33333 reset in 610 ms.
Product exploration explored 100000 steps with 33333 reset in 302 ms.
Computed a total of 19 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 19 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 28 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-0100-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-00 finished in 2382 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0)||G(p1)))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2024-06-01 13:34:31] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:34:31] [INFO ] Implicit Places using invariants in 48 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 50 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 52 ms. Remains : 19/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 284 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-01
Entered a terminal (fully accepting) state of product in 401 steps with 50 reset in 12 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-01 finished in 378 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((F(!p1)||p0))))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 12 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 16 ms. Remains 12 /20 variables (removed 8) and now considering 12/20 (removed 8) transitions.
// Phase 1: matrix 12 rows 12 cols
[2024-06-01 13:34:31] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 13:34:31] [INFO ] Implicit Places using invariants in 38 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/20 places, 12/20 transitions.
Graph (complete) has 9 edges and 11 vertex of which 10 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 5 ms. Remains 10 /11 variables (removed 1) and now considering 11/12 (removed 1) transitions.
// Phase 1: matrix 11 rows 10 cols
[2024-06-01 13:34:31] [INFO ] Computed 0 invariants in 1 ms
[2024-06-01 13:34:31] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 13:34:31] [INFO ] Invariant cache hit.
[2024-06-01 13:34:31] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/20 places, 11/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 152 ms. Remains : 10/20 places, 11/20 transitions.
Stuttering acceptance computed with spot in 109 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-02
Product exploration explored 100000 steps with 19059 reset in 393 ms.
Product exploration explored 100000 steps with 19075 reset in 473 ms.
Computed a total of 10 stabilizing places and 11 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 10 transition count 11
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 60 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-0100-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-02 finished in 1258 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2024-06-01 13:34:32] [INFO ] Computed 1 invariants in 2 ms
[2024-06-01 13:34:33] [INFO ] Implicit Places using invariants in 69 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 71 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Graph (complete) has 17 edges and 19 vertex of which 18 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 18 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 17 transition count 18
Applied a total of 3 rules in 8 ms. Remains 17 /19 variables (removed 2) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 17 cols
[2024-06-01 13:34:33] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 13:34:33] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-01 13:34:33] [INFO ] Invariant cache hit.
[2024-06-01 13:34:33] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/20 places, 18/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 186 ms. Remains : 17/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-03
Product exploration explored 100000 steps with 14414 reset in 164 ms.
Product exploration explored 100000 steps with 14417 reset in 110 ms.
Computed a total of 17 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 17 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 19 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-0100-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-03 finished in 652 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(!p0)&&X(X(G(p1))))))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 16 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 3 ms. Remains 16 /20 variables (removed 4) and now considering 16/20 (removed 4) transitions.
// Phase 1: matrix 16 rows 16 cols
[2024-06-01 13:34:33] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:34:33] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-06-01 13:34:33] [INFO ] Invariant cache hit.
[2024-06-01 13:34:33] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2024-06-01 13:34:33] [INFO ] Redundant transitions in 1 ms returned []
Running 8 sub problems to find dead transitions.
[2024-06-01 13:34:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 1/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 16/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 3/32 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/32 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 17 constraints, problems are : Problem set: 0 solved, 8 unsolved in 174 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 1/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 16/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 8/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/29 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 3/32 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/32 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 0/32 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 25 constraints, problems are : Problem set: 0 solved, 8 unsolved in 166 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 348ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 349ms
Starting structural reductions in SI_LTL mode, iteration 1 : 16/20 places, 16/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 452 ms. Remains : 16/20 places, 16/20 transitions.
Stuttering acceptance computed with spot in 437 ms :[(OR (NOT p1) p0), p0, (NOT p1), (AND p0 (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-04
Product exploration explored 100000 steps with 18030 reset in 241 ms.
Product exploration explored 100000 steps with 17972 reset in 408 ms.
Computed a total of 16 stabilizing places and 16 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 16 transition count 16
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (F (G (NOT p0))), (F (G p1))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1))))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 292 ms. Reduced automaton from 6 states, 22 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-0100-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-04 finished in 1909 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||G((p1&&X(p1))))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 2 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2024-06-01 13:34:35] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:34:35] [INFO ] Implicit Places using invariants in 42 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 151 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 232 ms.
Product exploration explored 100000 steps with 50000 reset in 223 ms.
Computed a total of 18 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p1)))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 23 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-0100-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-05 finished in 743 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
[2024-06-01 13:34:36] [INFO ] Invariant cache hit.
[2024-06-01 13:34:36] [INFO ] Implicit Places using invariants in 48 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 49 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 120 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-06 finished in 195 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((X(p0)&&G(p1)))))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
[2024-06-01 13:34:36] [INFO ] Invariant cache hit.
[2024-06-01 13:34:36] [INFO ] Implicit Places using invariants in 58 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 60 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 80 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 365 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-07
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-07 finished in 472 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 2 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
[2024-06-01 13:34:36] [INFO ] Invariant cache hit.
[2024-06-01 13:34:36] [INFO ] Implicit Places using invariants in 77 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 80 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 85 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 139 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-08
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-08 finished in 242 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U (p1||X(X(p2))))||F(p1)))'
Support contains 6 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2024-06-01 13:34:37] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:34:37] [INFO ] Implicit Places using invariants in 48 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 49 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49 ms. Remains : 19/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 400 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-09
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-09 finished in 497 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((F(p1)&&p0)))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 1 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2024-06-01 13:34:37] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:34:37] [INFO ] Implicit Places using invariants in 55 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 56 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 59 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 243 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-10 finished in 325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(!p0))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 8 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Applied a total of 1 rules in 1 ms. Remains 8 /20 variables (removed 12) and now considering 8/20 (removed 12) transitions.
// Phase 1: matrix 8 rows 8 cols
[2024-06-01 13:34:37] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:34:38] [INFO ] Implicit Places using invariants in 40 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 51 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/20 places, 8/20 transitions.
Graph (complete) has 5 edges and 7 vertex of which 6 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 3 ms. Remains 6 /7 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 6 cols
[2024-06-01 13:34:38] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 13:34:38] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-06-01 13:34:38] [INFO ] Invariant cache hit.
[2024-06-01 13:34:38] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/20 places, 7/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 140 ms. Remains : 6/20 places, 7/20 transitions.
Stuttering acceptance computed with spot in 51 ms :[p0]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-11
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-11 finished in 213 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&(F(G(!p1)) U p2))))'
Support contains 5 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 12 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 2 ms. Remains 12 /20 variables (removed 8) and now considering 12/20 (removed 8) transitions.
// Phase 1: matrix 12 rows 12 cols
[2024-06-01 13:34:38] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:34:38] [INFO ] Implicit Places using invariants in 43 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/20 places, 12/20 transitions.
Graph (complete) has 9 edges and 11 vertex of which 10 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 1 ms. Remains 10 /11 variables (removed 1) and now considering 11/12 (removed 1) transitions.
// Phase 1: matrix 11 rows 10 cols
[2024-06-01 13:34:38] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 13:34:38] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-06-01 13:34:38] [INFO ] Invariant cache hit.
[2024-06-01 13:34:38] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/20 places, 11/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 144 ms. Remains : 10/20 places, 11/20 transitions.
Stuttering acceptance computed with spot in 248 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), p1, (NOT p2)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-14
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-14 finished in 420 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((!p0&&G(!p1)))))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2024-06-01 13:34:38] [INFO ] Computed 1 invariants in 2 ms
[2024-06-01 13:34:38] [INFO ] Implicit Places using invariants in 59 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 71 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73 ms. Remains : 19/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 188 ms :[(OR p1 p0), (OR p1 p0), p1]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-15
Product exploration explored 100000 steps with 12602 reset in 161 ms.
Product exploration explored 100000 steps with 12576 reset in 192 ms.
Computed a total of 19 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 19 transition count 20
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (OR p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (OR p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 271 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-0100-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-15 finished in 961 ms.
All properties solved by simple procedures.
Total runtime 15459 ms.
ITS solved all properties within timeout

BK_STOP 1717248879974

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="AirplaneLD-COL-0100"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is AirplaneLD-COL-0100, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r464-smll-171620118000196"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-0100.tgz
mv AirplaneLD-COL-0100 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;