Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853728500044.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is AirplaneLD-COL-0500, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853728500044
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 109K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-00
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-01
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-02
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-03
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-04
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-05
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-06
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-07
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-08
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-09
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-10
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-11
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-12
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-13
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-14
FORMULA_NAME AirplaneLD-COL-0500-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748538736731

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-COL-0500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-05-29 17:12:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-29 17:12:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 17:12:18] [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.
[2025-05-29 17:12:18] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-05-29 17:12:18] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 584 ms
[2025-05-29 17:12:18] [INFO ] Detected 3 constant HL places corresponding to 1502 PT places.
[2025-05-29 17:12:18] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 3519 PT places and 6012.0 transition bindings in 23 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
[2025-05-29 17:12:18] [INFO ] Built PT skeleton of HLPN with 20 places and 15 transitions 56 arcs in 7 ms.
[2025-05-29 17:12:18] [INFO ] Skeletonized 14 HLPN properties in 3 ms. Removed 2 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA AirplaneLD-COL-0500-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-0500-LTLFireability-03 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 4 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).
RANDOM walk for 143 steps (14 resets) in 20 ms. (6 steps per ms) remains 0/5 properties
[2025-05-29 17:12:18] [INFO ] Flatten gal took : 13 ms
[2025-05-29 17:12:18] [INFO ] Flatten gal took : 3 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:1000) in guard (OR (GEQ $A 499) (EQ $A 999))introduces in Altitude(1000) partition with 2 elements
Transition t3_1 : guard parameter $A(Altitude:1000) in guard (AND (LT $A 499) (NEQ $A 999))introduces in Altitude(1000) 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 1000 reducing to 2 values.
For transition t3_2:(OR (GEQ $A 499) (EQ $A 999)) -> (EQ $A 1)
For transition t3_1:(AND (LT $A 499) (NEQ $A 999)) -> (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:500) in guard (OR (LEQ $S 249) (EQ $S 499))introduces in Speed(500) partition with 2 elements
Transition t5_1 : guard parameter $S(Speed:500) in guard (AND (GT $S 249) (NEQ $S 499))introduces in Speed(500) partition with 2 elements
Transition t4_2 : guard parameter $S(Speed:500) in guard (OR (LEQ $S 249) (EQ $S 499))introduces in Speed(500) partition with 2 elements
Transition t4_1 : guard parameter $S(Speed:500) in guard (AND (GT $S 249) (NEQ $S 499))introduces in Speed(500) 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 500 reducing to 2 values.
For transition t5_2:(OR (LEQ $S 249) (EQ $S 499)) -> (EQ $S 1)
For transition t5_1:(AND (GT $S 249) (NEQ $S 499)) -> (EQ $S 0)
For transition t4_2:(OR (LEQ $S 249) (EQ $S 499)) -> (EQ $S 1)
For transition t4_1:(AND (GT $S 249) (NEQ $S 499)) -> (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
[2025-05-29 17:12:19] [INFO ] Unfolded HLPN to a Petri net with 29 places and 20 transitions 56 arcs in 39 ms.
[2025-05-29 17:12:19] [INFO ] Unfolded 14 HLPN properties in 0 ms.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
[2025-05-29 17:12:19] [INFO ] Reduced 1 identical enabling conditions.
Reduce places removed 6 places and 0 transitions.
Support contains 20 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 7 ms. Remains 20 /23 variables (removed 3) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2025-05-29 17:12:19] [INFO ] Computed 1 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:19] [INFO ] Implicit Places using invariants in 108 ms returned []
[2025-05-29 17:12:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:19] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2025-05-29 17:12:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 370 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 354 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 744ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 753ms
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 20/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 987 ms. Remains : 20/23 places, 20/20 transitions.
Support contains 20 out of 20 places after structural reductions.
[2025-05-29 17:12:20] [INFO ] Flatten gal took : 8 ms
[2025-05-29 17:12:20] [INFO ] Flatten gal took : 4 ms
[2025-05-29 17:12:20] [INFO ] Input system was already deterministic with 20 transitions.
Reduction of identical properties reduced properties to check from 22 to 17
RANDOM walk for 1173 steps (145 resets) in 71 ms. (16 steps per ms) remains 0/17 properties
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_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(!p0) U p1) U (!p0&&F(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.1 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 13 ms. Remains 16 /20 variables (removed 4) and now considering 16/20 (removed 4) transitions.
// Phase 1: matrix 16 rows 16 cols
[2025-05-29 17:12:20] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:20] [INFO ] Implicit Places using invariants in 30 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/20 places, 16/20 transitions.
Graph (complete) has 13 edges and 15 vertex of which 14 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 2 ms. Remains 14 /15 variables (removed 1) and now considering 15/16 (removed 1) transitions.
// Phase 1: matrix 15 rows 14 cols
[2025-05-29 17:12:20] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:20] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-05-29 17:12:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:20] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/20 places, 15/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 91 ms. Remains : 14/20 places, 15/20 transitions.
Stuttering acceptance computed with spot in 471 ms :[(OR (NOT p1) p0), p0, (NOT p1), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-01
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-01 finished in 640 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&F(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 8 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2025-05-29 17:12:21] [INFO ] Computed 1 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:21] [INFO ] Implicit Places using invariants in 30 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 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 41 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-02
Entered a terminal (fully accepting) state of product in 145 steps with 18 reset in 1 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-02 finished in 163 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(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.1 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 2 ms. Remains 16 /20 variables (removed 4) and now considering 16/20 (removed 4) transitions.
// Phase 1: matrix 16 rows 16 cols
[2025-05-29 17:12:21] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:21] [INFO ] Implicit Places using invariants in 24 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/20 places, 16/20 transitions.
Graph (complete) has 13 edges and 15 vertex of which 14 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 14 transition count 14
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 13 transition count 14
Applied a total of 3 rules in 3 ms. Remains 13 /15 variables (removed 2) and now considering 14/16 (removed 2) transitions.
// Phase 1: matrix 14 rows 13 cols
[2025-05-29 17:12:21] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:21] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-05-29 17:12:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:21] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 13/20 places, 14/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 74 ms. Remains : 13/20 places, 14/20 transitions.
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-04
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-04 finished in 205 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(((p1&&X(p2))||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
[2025-05-29 17:12:21] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:21] [INFO ] Implicit Places using invariants in 31 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 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 34 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 135 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-05
Product exploration explored 100000 steps with 12609 reset in 244 ms.
Product exploration explored 100000 steps with 12583 reset in 124 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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p1 p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X p0)), (F (G (NOT p1))), (F (G p0)), (F (G (NOT p2)))]
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 16 factoid took 17 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-0500-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0500-LTLFireability-05 finished in 605 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F((X((p1 U X((X(p1)&&p2))))&&p0)) U p3)))'
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.
[2025-05-29 17:12:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:22] [INFO ] Implicit Places using invariants in 46 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 46 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 49 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 458 ms :[(NOT p3), (OR (NOT p0) (NOT p1) (NOT p2)), (NOT p3), (OR (NOT p1) (NOT p2)), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-06
Stuttering criterion allowed to conclude after 9 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-06 finished in 537 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(!p0) U X((!p1||X(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 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2025-05-29 17:12:22] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:22] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-05-29 17:12:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:22] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2025-05-29 17:12:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 224 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 181 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 409ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 409ms
Finished structural reductions in LTL mode , in 1 iterations and 474 ms. Remains : 20/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 140 ms :[false, (AND p0 (NOT p1)), false, p0]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-07
Initial state of product has no viable successors after 0 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-07 TRUE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-07 finished in 637 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(G(p0))||((F(!p2) U G(p3))&&p1)) U X(p2)))'
Support contains 6 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 5 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2025-05-29 17:12:23] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:23] [INFO ] Implicit Places using invariants in 25 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 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 32 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 345 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p3)), true, (NOT p0), (NOT p3), (AND (NOT p0) (NOT p3)), p2, (AND p2 (NOT p0) p3)]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-08 finished in 409 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(!p0)||X(X(X(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
[2025-05-29 17:12:23] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:23] [INFO ] Implicit Places using invariants in 25 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 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 28 ms. Remains : 19/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 340 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (NOT p1), (AND (NOT p1) p0), (NOT p1), (NOT p1), true, (AND (NOT p1) p0), (AND p0 (NOT p1)), (AND p0 p1)]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-09
Entered a terminal (fully accepting) state of product in 127 steps with 19 reset in 1 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-09 finished in 389 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U G(p1))&&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 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 2 ms. Remains 16 /20 variables (removed 4) and now considering 16/20 (removed 4) transitions.
// Phase 1: matrix 16 rows 16 cols
[2025-05-29 17:12:24] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:24] [INFO ] Implicit Places using invariants in 25 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/20 places, 16/20 transitions.
Graph (complete) has 13 edges and 15 vertex of which 14 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 14 /15 variables (removed 1) and now considering 15/16 (removed 1) transitions.
// Phase 1: matrix 15 rows 14 cols
[2025-05-29 17:12:24] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:24] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-05-29 17:12:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:24] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/20 places, 15/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 75 ms. Remains : 14/20 places, 15/20 transitions.
Stuttering acceptance computed with spot in 260 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (NOT p2), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-10
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-10 finished in 355 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F((G(!p0)||(!p1&&X(X(X(!p0))))))) U (p2||G(p3))))'
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 1 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2025-05-29 17:12:24] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:24] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-29 17:12:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:24] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2025-05-29 17:12:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 153 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 157 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 330ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 330ms
Finished structural reductions in LTL mode , in 1 iterations and 401 ms. Remains : 20/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 416 ms :[(AND (NOT p2) (NOT p3)), p0, p0, p0, (AND p0 (NOT p3)), p0, p0, p0, p0, p0, p0]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-11
Stuttering criterion allowed to conclude after 2288 steps with 286 reset in 6 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-11 finished in 860 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(!p0))||(F(p1)&&X(!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.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-29 17:12:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:25] [INFO ] Implicit Places using invariants in 26 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 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 28 ms. Remains : 19/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 188 ms :[p0, p0, (AND (NOT p1) p0), p0, (NOT p1), true]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-12
Product exploration explored 100000 steps with 26953 reset in 90 ms.
Product exploration explored 100000 steps with 27014 reset in 76 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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (G p1)), (F (G (NOT p0)))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 10 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-0500-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0500-LTLFireability-12 finished in 437 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(!p0)))'
Support contains 1 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
[2025-05-29 17:12:25] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:26] [INFO ] Implicit Places using invariants in 39 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 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 41 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 69 ms :[true, p0, p0]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-13
Entered a terminal (fully accepting) state of product in 12 steps with 1 reset in 0 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-13 finished in 120 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((F(p1)&&p0))&&(G(!p2) U (p2 U p3))))'
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 1 ms. Remains 16 /20 variables (removed 4) and now considering 16/20 (removed 4) transitions.
// Phase 1: matrix 16 rows 16 cols
[2025-05-29 17:12:26] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:26] [INFO ] Implicit Places using invariants in 26 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/20 places, 16/20 transitions.
Graph (complete) has 13 edges and 15 vertex of which 14 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
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 14 transition count 14
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 13 transition count 14
Applied a total of 3 rules in 2 ms. Remains 13 /15 variables (removed 2) and now considering 14/16 (removed 2) transitions.
// Phase 1: matrix 14 rows 13 cols
[2025-05-29 17:12:26] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:26] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-05-29 17:12:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:26] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 13/20 places, 14/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 91 ms. Remains : 13/20 places, 14/20 transitions.
Stuttering acceptance computed with spot in 236 ms :[(OR (NOT p0) (NOT p3) (NOT p1)), (OR (NOT p0) (NOT p1)), p2, (NOT p3), (NOT p3), (NOT p1), true]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-14
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-14 finished in 340 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G(p0)||(F(p0) U 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
[2025-05-29 17:12:26] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:12:26] [INFO ] Implicit Places using invariants in 25 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 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 30 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 142 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-COL-0500-LTLFireability-15
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0500-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0500-LTLFireability-15 finished in 191 ms.
All properties solved by simple procedures.
Total runtime 8643 ms.

BK_STOP 1748538746997

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-0500"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is AirplaneLD-COL-0500, 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 r002-tall-174853728500044"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-0500.tgz
mv AirplaneLD-COL-0500 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.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 ;