Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944365900052.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AirplaneLD-COL-1000, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 596K
-rw-r--r-- 1 mcc users 7.0K Mar 4 16:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 4 16:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 4 16:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 4 16:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 4 16:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Mar 4 16:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 4 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 4 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 181K Mar 3 18:30 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-1000-LTLFireability-00
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-01
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-02
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-03
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-04
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-05
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-06
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-07
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-08
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-09
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-10
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-11
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-12
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-13
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-14
FORMULA_NAME AirplaneLD-COL-1000-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461532061

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-1000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-22 14:52:13] [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]
[2026-05-22 14:52:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:52:13] [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.
[2026-05-22 14:52:14] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 14:52:14] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1002 ms
[2026-05-22 14:52:14] [INFO ] Detected 3 constant HL places corresponding to 3002 PT places.
[2026-05-22 14:52:14] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 7019 PT places and 12012.0 transition bindings in 28 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 14:52:14] [INFO ] Built PT skeleton of HLPN with 20 places and 15 transitions 56 arcs in 5 ms.
[2026-05-22 14:52:14] [INFO ] Skeletonized 14 HLPN properties in 2 ms. Removed 2 properties that had guard overlaps.
Initial state reduction rules removed 4 formulas.
FORMULA AirplaneLD-COL-1000-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLFireability-15 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 3 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 5 to 4
RANDOM walk for 40000 steps (5038 resets) in 665 ms. (60 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (1171 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18010625157763773153.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11930281295951743770.kers'
[2026-05-22 14:52:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18010625157763773153.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11930281295951743770.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 12 ms.
// Phase 1: matrix 14 rows 16 cols 37 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-22 14:52:15] [INFO ] Computed 3 invariants in 12 ms
Computed 3 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-11930281295951743770.kers
Total runtime 13 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp2 is UNSAT
After SMT solving in domain Real declared 9/31 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 189 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, Known Traps Along Path: 0/0 constraints]
After SMT, in 258ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 3 simplifications.
[2026-05-22 14:52:15] [INFO ] Flatten gal took : 32 ms
[2026-05-22 14:52:15] [INFO ] Flatten gal took : 2 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:2000) in guard (OR (GEQ $A 999) (EQ $A 1999))introduces in Altitude(2000) partition with 2 elements
Transition t3_1 : guard parameter $A(Altitude:2000) in guard (AND (LT $A 999) (NEQ $A 1999))introduces in Altitude(2000) 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 2000 reducing to 2 values.
For transition t3_2:(OR (GEQ $A 999) (EQ $A 1999)) -> (EQ $A 1)
For transition t3_1:(AND (LT $A 999) (NEQ $A 1999)) -> (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:1000) in guard (OR (LEQ $S 499) (EQ $S 999))introduces in Speed(1000) partition with 2 elements
Transition t5_1 : guard parameter $S(Speed:1000) in guard (AND (GT $S 499) (NEQ $S 999))introduces in Speed(1000) partition with 2 elements
Transition t4_2 : guard parameter $S(Speed:1000) in guard (OR (LEQ $S 499) (EQ $S 999))introduces in Speed(1000) partition with 2 elements
Transition t4_1 : guard parameter $S(Speed:1000) in guard (AND (GT $S 499) (NEQ $S 999))introduces in Speed(1000) 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 1000 reducing to 2 values.
For transition t5_2:(OR (LEQ $S 499) (EQ $S 999)) -> (EQ $S 1)
For transition t5_1:(AND (GT $S 499) (NEQ $S 999)) -> (EQ $S 0)
For transition t4_2:(OR (LEQ $S 499) (EQ $S 999)) -> (EQ $S 1)
For transition t4_1:(AND (GT $S 499) (NEQ $S 999)) -> (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
[2026-05-22 14:52:15] [INFO ] Unfolded HLPN to a Petri net with 29 places and 20 transitions 56 arcs in 80 ms.
[2026-05-22 14:52:15] [INFO ] Unfolded 12 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
[2026-05-22 14:52:15] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:52:15] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:52:15] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:52:15] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:52:15] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:52:15] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:52:15] [INFO ] Reduced 1 identical enabling conditions.
Reduce places removed 6 places and 0 transitions.
FORMULA AirplaneLD-COL-1000-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 19 ms. Remains 20 /23 variables (removed 3) and now considering 20/20 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3861263737642509289.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4541268468864225150.kers'
[2026-05-22 14:52:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3861263737642509289.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4541268468864225150.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 20 cols 44 entries
Finished phase 1 with 14 SingleSign rule and 5 generalized
[2026-05-22 14:52:15] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4541268468864225150.kers
Total runtime 3 ms.
[2026-05-22 14:52:15] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-22 14:52:15] [INFO ] Invariant cache hit.
[2026-05-22 14:52:15] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:52:15] [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 403 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
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 282 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 689ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 689ms
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 20/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 805 ms. Remains : 20/23 places, 20/20 transitions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 14:52:16] [INFO ] Invariant cache hit.
[2026-05-22 14:52:16] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-22 14:52:16] [INFO ] Invariant cache hit.
[2026-05-22 14:52:16] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 84 ms. Remains : 20/20 places, 20/20 transitions.
Support contains 18 out of 20 places after structural reductions.
[2026-05-22 14:52:16] [INFO ] Flatten gal took : 13 ms
[2026-05-22 14:52:16] [INFO ] Flatten gal took : 2 ms
[2026-05-22 14:52:16] [INFO ] Input system was already deterministic with 20 transitions.
Reduction of identical properties reduced properties to check from 22 to 17
RANDOM walk for 40000 steps (5037 resets) in 937 ms. (42 steps per ms) remains 3/17 properties
BEST_FIRST walk for 40002 steps (986 resets) in 221 ms. (180 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (894 resets) in 243 ms. (163 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (987 resets) in 90 ms. (439 steps per ms) remains 3/3 properties
[2026-05-22 14:52:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 2/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AtomicPropp2 is UNSAT
At refinement iteration 3 (OVERLAPS) 15/26 variables, 11/12 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp19 is UNSAT
After SMT solving in domain Real declared 37/40 variables, and 19 constraints, problems are : Problem set: 3 solved, 0 unsolved in 45 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 18/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 3 atomic propositions for a total of 10 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).
FORMULA AirplaneLD-COL-1000-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((p1||G(p2)))&&p0)))'
Support contains 5 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 4 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11535944590370300822.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7293569903152009697.kers'
[2026-05-22 14:52:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11535944590370300822.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7293569903152009697.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 19 cols 40 entries
Finished phase 1 with 13 SingleSign rule and 5 generalized
[2026-05-22 14:52:17] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7293569903152009697.kers
Total runtime 0 ms.
[2026-05-22 14:52:17] [INFO ] Implicit Places using invariants in 55 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 66 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 71 ms. Remains : 18/20 places, 18/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((p1||G(p2)))&&p0)))'
Stuttering acceptance computed with spot in 283 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p2), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLFireability-05 finished in 421 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(p0) U p1)&&F(X((p2 U (X(p2)&&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.
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.
[2026-05-22 14:52:18] [INFO ] Invariant cache hit.
[2026-05-22 14:52:18] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-22 14:52:18] [INFO ] Invariant cache hit.
[2026-05-22 14:52:18] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2026-05-22 14:52:18] [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 309 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 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 169 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 494ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 494ms
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 18/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 584 ms. Remains : 19/20 places, 18/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(p0) U p1)&&F(X((p2 U (X(p2)&&p3))))))'
Stuttering acceptance computed with spot in 229 ms :[(OR (NOT p3) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1)), (OR (NOT p3) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-06
Stuttering criterion allowed to conclude after 9 steps with 1 reset in 1 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLFireability-06 finished in 845 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((F((X(X(!p1))&&p0)) U X(X(p2))))))'
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.
[2026-05-22 14:52:19] [INFO ] Invariant cache hit.
[2026-05-22 14:52:19] [INFO ] Implicit Places using invariants in 100 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 101 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 104 ms. Remains : 18/20 places, 18/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((F((X(X(!p1))&&p0)) U X(X(p2))))))'
Stuttering acceptance computed with spot in 1098 ms :[(NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (NOT p2), (AND p1 (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2)), false, (NOT p2), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), false, false, false, false, false, false, false]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-07
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLFireability-07 finished in 1294 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(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 13 ms. Remains 8 /20 variables (removed 12) and now considering 8/20 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8310307811886933677.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9199975986347593159.kers'
[2026-05-22 14:52:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8310307811886933677.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9199975986347593159.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 8 cols 17 entries
Finished phase 1 with 5 SingleSign rule and 2 generalized
[2026-05-22 14:52:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9199975986347593159.kers
Total runtime 0 ms.
[2026-05-22 14:52:20] [INFO ] Implicit Places using invariants in 31 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4645615855543513557.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12069254893496056405.kers'
[2026-05-22 14:52:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4645615855543513557.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12069254893496056405.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 6 cols 13 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-22 14:52:20] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12069254893496056405.kers
Total runtime 1 ms.
[2026-05-22 14:52:20] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-22 14:52:20] [INFO ] Invariant cache hit.
[2026-05-22 14:52:20] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 81 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 129 ms. Remains : 6/20 places, 7/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-08
Product exploration explored 100000 steps with 25046 reset in 204 ms.
Product exploration explored 100000 steps with 25007 reset in 129 ms.
Computed a total of 6 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 6 transition count 7
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)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 4 factoid took 48 ms. Proved property starting from automaton with 2 states, 3 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 91 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-1000-LTLFireability-08 finished in 666 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(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 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10306226092493489342.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16236950013485652752.kers'
[2026-05-22 14:52:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10306226092493489342.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16236950013485652752.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 16 rows 16 cols 35 entries
Finished phase 1 with 11 SingleSign rule and 4 generalized
[2026-05-22 14:52:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16236950013485652752.kers
Total runtime 0 ms.
[2026-05-22 14:52:20] [INFO ] Implicit Places using invariants in 51 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 54 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 5 ms. Remains 13 /15 variables (removed 2) and now considering 14/16 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13626803829246679770.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10567308040239513387.kers'
[2026-05-22 14:52:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13626803829246679770.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10567308040239513387.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 14 rows 13 cols 29 entries
Finished phase 1 with 13 SingleSign rule and 0 generalized
[2026-05-22 14:52:21] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10567308040239513387.kers
Total runtime 1 ms.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-22 14:52:21] [INFO ] Invariant cache hit.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 94 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 156 ms. Remains : 13/20 places, 14/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-09
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLFireability-09 finished in 243 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(G((F(p0) U X(p1)))))&&(X(p2)||G(p0)))))'
Support contains 5 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6207143173420557506.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11068423220316125743.kers'
[2026-05-22 14:52:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6207143173420557506.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11068423220316125743.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 19 cols 40 entries
Finished phase 1 with 13 SingleSign rule and 5 generalized
[2026-05-22 14:52:21] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11068423220316125743.kers
Total runtime 0 ms.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants in 33 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 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 36 ms. Remains : 18/20 places, 18/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(G((F(p0) U X(p1)))))&&(X(p2)||G(p0)))))'
Stuttering acceptance computed with spot in 633 ms :[(OR (NOT p1) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), true, (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLFireability-10 finished in 729 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U (p1||X((F(p1) U X(X(G(p2))))))))'
Support contains 5 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 4 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
[2026-05-22 14:52:21] [INFO ] Invariant cache hit.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-22 14:52:21] [INFO ] Invariant cache hit.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 18/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70 ms. Remains : 19/20 places, 18/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U (X((F(p1) U X(X(G(p2)))))||p1)))'
Stuttering acceptance computed with spot in 324 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-11
Stuttering criterion allowed to conclude after 21 steps with 2 reset in 0 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLFireability-11 finished in 474 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(!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.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4355049797804777793.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4560433240721831435.kers'
[2026-05-22 14:52:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4355049797804777793.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4560433240721831435.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 20 cols 44 entries
Finished phase 1 with 14 SingleSign rule and 5 generalized
[2026-05-22 14:52:22] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4560433240721831435.kers
Total runtime 0 ms.
[2026-05-22 14:52:22] [INFO ] Implicit Places using invariants in 33 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 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 48 ms. Remains : 19/20 places, 20/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(!p0)))'
Stuttering acceptance computed with spot in 255 ms :[true, p0, false, false, (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 144 ms.
Product exploration explored 100000 steps with 50000 reset in 77 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)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 4 factoid took 11 ms. Proved property starting from automaton with 5 states, 7 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 78 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-1000-LTLFireability-13 finished in 647 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(((X(p0)&&F(!p1))||X(G(p0)))) U (X(((X(p0)&&F(!p1))||X(G(p0))))&&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.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 14:52:23] [INFO ] Invariant cache hit.
[2026-05-22 14:52:23] [INFO ] Implicit Places using invariants in 44 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 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 46 ms. Remains : 19/20 places, 20/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((X(G(p0))||(X(p0)&&F(!p1)))) U (X(((X(p0)&&F(!p1))||X(G(p0))))&&p2))))'
Stuttering acceptance computed with spot in 245 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, p1]
Running random walk in product with property : AirplaneLD-COL-1000-LTLFireability-14
Stuttering criterion allowed to conclude after 100 steps with 18 reset in 0 ms.
FORMULA AirplaneLD-COL-1000-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLFireability-14 finished in 342 ms.
All properties solved by simple procedures.
Total runtime 9732 ms.

BK_STOP 1779461543776

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-1000"
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 2-5973"
echo " Executing tool itstools"
echo " Input is AirplaneLD-COL-1000, 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-oct2-177944365900052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-1000.tgz
mv AirplaneLD-COL-1000 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 ;