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-oct2-177944365800004.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-0010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365800004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 8.8K Mar 4 17:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 4 17:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 4 17:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 4 17:16 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 4.3K Mar 15 06:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 06:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 06:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 06:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 4 17:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Mar 4 17:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 4 17:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 4 17:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 06:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 06:59 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 40K 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-0010-LTLFireability-00
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-01
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-02
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-03
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-04
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-05
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-06
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-07
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-08
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-09
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-10
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-11
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-12
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-13
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-14
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461471211

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-0010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-22 14:51:12] [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 14:51:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:51:12] [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 14:51:13] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 14:51:13] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 693 ms
[2026-05-22 14:51:13] [INFO ] Detected 3 constant HL places corresponding to 32 PT places.
[2026-05-22 14:51:13] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 89 PT places and 132.0 transition bindings in 24 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 14:51:13] [INFO ] Built PT skeleton of HLPN with 20 places and 15 transitions 56 arcs in 5 ms.
[2026-05-22 14:51:13] [INFO ] Skeletonized 15 HLPN properties in 1 ms. Removed 1 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA AirplaneLD-COL-0010-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-0010-LTLFireability-06 TRUE 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 6 to 5
RANDOM walk for 202 steps (21 resets) in 23 ms. (8 steps per ms) remains 0/5 properties
[2026-05-22 14:51:13] [INFO ] Flatten gal took : 17 ms
[2026-05-22 14:51:13] [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:20) in guard (OR (GEQ $A 9) (EQ $A 19))introduces in Altitude(20) partition with 2 elements
Transition t3_1 : guard parameter $A(Altitude:20) in guard (AND (LT $A 9) (NEQ $A 19))introduces in Altitude(20) 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 20 reducing to 2 values.
For transition t3_2:(OR (GEQ $A 9) (EQ $A 19)) -> (EQ $A 1)
For transition t3_1:(AND (LT $A 9) (NEQ $A 19)) -> (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:10) in guard (OR (LEQ $S 4) (EQ $S 9))introduces in Speed(10) partition with 2 elements
Transition t5_1 : guard parameter $S(Speed:10) in guard (AND (GT $S 4) (NEQ $S 9))introduces in Speed(10) partition with 2 elements
Transition t4_2 : guard parameter $S(Speed:10) in guard (OR (LEQ $S 4) (EQ $S 9))introduces in Speed(10) partition with 2 elements
Transition t4_1 : guard parameter $S(Speed:10) in guard (AND (GT $S 4) (NEQ $S 9))introduces in Speed(10) 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 10 reducing to 2 values.
For transition t5_2:(OR (LEQ $S 4) (EQ $S 9)) -> (EQ $S 1)
For transition t5_1:(AND (GT $S 4) (NEQ $S 9)) -> (EQ $S 0)
For transition t4_2:(OR (LEQ $S 4) (EQ $S 9)) -> (EQ $S 1)
For transition t4_1:(AND (GT $S 4) (NEQ $S 9)) -> (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 14:51:13] [INFO ] Unfolded HLPN to a Petri net with 29 places and 20 transitions 56 arcs in 27 ms.
[2026-05-22 14:51:13] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:13] [INFO ] Reduced 1 identical enabling conditions.
Reduce places removed 6 places and 0 transitions.
FORMULA AirplaneLD-COL-0010-LTLFireability-10 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 9 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-2213196623865537295.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15572694878643338653.kers'
[2026-05-22 14:51:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2213196623865537295.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15572694878643338653.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 14:51:13] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15572694878643338653.kers
Total runtime 1 ms.
[2026-05-22 14:51:14] [INFO ] Implicit Places using invariants in 195 ms returned []
[2026-05-22 14:51:14] [INFO ] Invariant cache hit.
[2026-05-22 14:51:14] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:51:14] [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 327 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 288 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 634ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 642ms
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 20/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 983 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 1 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 14:51:14] [INFO ] Invariant cache hit.
[2026-05-22 14:51:14] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-22 14:51:14] [INFO ] Invariant cache hit.
[2026-05-22 14:51:14] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 58 ms. Remains : 20/20 places, 20/20 transitions.
Support contains 18 out of 20 places after structural reductions.
[2026-05-22 14:51:14] [INFO ] Flatten gal took : 5 ms
[2026-05-22 14:51:14] [INFO ] Flatten gal took : 3 ms
[2026-05-22 14:51:14] [INFO ] Input system was already deterministic with 20 transitions.
Reduction of identical properties reduced properties to check from 17 to 15
RANDOM walk for 1509 steps (186 resets) in 67 ms. (22 steps per ms) remains 0/15 properties
FORMULA AirplaneLD-COL-0010-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA AirplaneLD-COL-0010-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(p0)||F((G(p2)||(X(p2)&&F(!p0))||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.
[2026-05-22 14:51:15] [INFO ] Invariant cache hit.
[2026-05-22 14:51:15] [INFO ] Implicit Places using invariants in 70 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 72 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 72 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((X(p0)||F((G(p2)||(X(p2)&&F(!p0))||p1)))))'
Stuttering acceptance computed with spot in 403 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) p0)]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-00
Product exploration explored 100000 steps with 12602 reset in 271 ms.
Product exploration explored 100000 steps with 12590 reset in 146 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 11 factoid took 28 ms. Proved property starting from automaton with 4 states, 7 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 65 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0010-LTLFireability-00 finished in 1103 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 1 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 1 are kept as prefixes of interest. Removing 19 places using SCC suffix rule.1 ms
Discarding 19 places :
Also discarding 18 output transitions
Drop transitions (Output transitions of discarded places.) removed 18 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 1 transition count 1
Applied a total of 2 rules in 13 ms. Remains 1 /20 variables (removed 19) and now considering 1/20 (removed 19) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2081817904797056933.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1390480626773550549.kers'
[2026-05-22 14:51:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2081817904797056933.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1390480626773550549.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-22 14:51:16] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1390480626773550549.kers
Total runtime 0 ms.
[2026-05-22 14:51:16] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-22 14:51:16] [INFO ] Invariant cache hit.
[2026-05-22 14:51:16] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2026-05-22 14:51:16] [INFO ] Redundant transitions in 0 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1/20 places, 1/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 76 ms. Remains : 1/20 places, 1/20 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 33 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0010-LTLFireability-01 finished in 146 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)&&F(G(!p1)))))'
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 2 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.1 ms
Discarding 18 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 2 transition count 2
Applied a total of 3 rules in 2 ms. Remains 2 /20 variables (removed 18) and now considering 2/20 (removed 18) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18356298474941652409.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17074742822226407687.kers'
[2026-05-22 14:51:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18356298474941652409.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17074742822226407687.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2 rows 2 cols 2 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-22 14:51:16] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17074742822226407687.kers
Total runtime 0 ms.
[2026-05-22 14:51:16] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-22 14:51:16] [INFO ] Invariant cache hit.
[2026-05-22 14:51:16] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2026-05-22 14:51:16] [INFO ] Redundant transitions in 0 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/20 places, 2/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 70 ms. Remains : 2/20 places, 2/20 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)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 221 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-02
Product exploration explored 100000 steps with 35317 reset in 98 ms.
Product exploration explored 100000 steps with 35238 reset in 82 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
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 5 factoid took 21 ms. Proved property starting from automaton with 3 states, 6 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 78 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0010-LTLFireability-02 finished in 588 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) U X((F(!p1)&&(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.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15750670673625504844.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17355630641510763752.kers'
[2026-05-22 14:51:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15750670673625504844.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17355630641510763752.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 14:51:17] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17355630641510763752.kers
Total runtime 0 ms.
[2026-05-22 14:51:17] [INFO ] Implicit Places using invariants in 34 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 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 40 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' '!((G(p0) U X((F(!p1)&&(G(p2)||p3)))))'
Stuttering acceptance computed with spot in 477 ms :[(OR p1 (AND (NOT p2) (NOT p3))), (OR p1 (AND (NOT p2) (NOT p3))), (OR p1 (AND (NOT p2) (NOT p3))), true, p1, (NOT p2), (NOT p0), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2) p3), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-03
Entered a terminal (fully accepting) state of product in 12 steps with 1 reset in 1 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0010-LTLFireability-03 finished in 581 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))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 12 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 2 ms. Remains 12 /20 variables (removed 8) and now considering 12/20 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1931102902130983752.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2303612731938785638.kers'
[2026-05-22 14:51:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1931102902130983752.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2303612731938785638.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 12 cols 26 entries
Finished phase 1 with 8 SingleSign rule and 3 generalized
[2026-05-22 14:51:17] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-2303612731938785638.kers
Total runtime 3 ms.
[2026-05-22 14:51:17] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-22 14:51:17] [INFO ] Invariant cache hit.
[2026-05-22 14:51:17] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2026-05-22 14:51:17] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-22 14:51:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/22 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 2/24 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 186 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/22 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/24 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/24 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 90 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 281ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 282ms
Starting structural reductions in SI_LTL mode, iteration 1 : 12/20 places, 12/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 384 ms. Remains : 12/20 places, 12/20 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))'
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-04
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0010-LTLFireability-04 finished in 463 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' '!(((p0 U X(p0))&&X((G(p1)||(p2&&X(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 2 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-2464370079411395939.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1438727794538998111.kers'
[2026-05-22 14:51:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2464370079411395939.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1438727794538998111.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 14:51:18] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1438727794538998111.kers
Total runtime 0 ms.
[2026-05-22 14:51:18] [INFO ] Implicit Places using invariants in 67 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 89 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 92 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' '!(((p0 U X(p0))&&X((G(p1)||(p2&&X(p3))))))'
Stuttering acceptance computed with spot in 359 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), true, (NOT p1), (NOT p3), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0010-LTLFireability-07 finished in 532 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((F((p0&&F(p1)))||G(p1)))||G(!p1)))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 0 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-16386399488011323894.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15089099349319651704.kers'
[2026-05-22 14:51:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16386399488011323894.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15089099349319651704.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 14:51:18] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15089099349319651704.kers
Total runtime 0 ms.
[2026-05-22 14:51:18] [INFO ] Implicit Places using invariants in 24 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 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 29 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((F((p0&&F(p1)))||G(p1)))||G(!p1)))'
Stuttering acceptance computed with spot in 298 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), false, false, (NOT p1), (AND p1 (NOT p0))]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-08
Stuttering criterion allowed to conclude after 115 steps with 29 reset in 0 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0010-LTLFireability-08 finished in 353 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' '!((!p0 U 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 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-3326814490862962559.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17650949085194962195.kers'
[2026-05-22 14:51:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3326814490862962559.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17650949085194962195.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 14:51:19] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17650949085194962195.kers
Total runtime 0 ms.
[2026-05-22 14:51:19] [INFO ] Implicit Places using invariants in 73 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 74 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 6 ms. Remains 14 /15 variables (removed 1) and now considering 15/16 (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-13572210055335867073.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1810038185557169166.kers'
[2026-05-22 14:51:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13572210055335867073.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1810038185557169166.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 15 rows 14 cols 31 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-22 14:51:19] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1810038185557169166.kers
Total runtime 0 ms.
[2026-05-22 14:51:19] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-22 14:51:19] [INFO ] Invariant cache hit.
[2026-05-22 14:51:19] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 69 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 152 ms. Remains : 14/20 places, 15/20 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' '!((!p0 U p1))'
Stuttering acceptance computed with spot in 72 ms :[true, (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-09
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0010-LTLFireability-09 finished in 259 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 1 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 1 are kept as prefixes of interest. Removing 19 places using SCC suffix rule.0 ms
Discarding 19 places :
Also discarding 18 output transitions
Drop transitions (Output transitions of discarded places.) removed 18 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 1 transition count 1
Applied a total of 2 rules in 2 ms. Remains 1 /20 variables (removed 19) and now considering 1/20 (removed 19) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5006043200027379383.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2023664105055043968.kers'
[2026-05-22 14:51:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5006043200027379383.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2023664105055043968.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-22 14:51:19] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2023664105055043968.kers
Total runtime 0 ms.
[2026-05-22 14:51:19] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-22 14:51:19] [INFO ] Invariant cache hit.
[2026-05-22 14:51:19] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2026-05-22 14:51:19] [INFO ] Redundant transitions in 0 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1/20 places, 1/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 101 ms. Remains : 1/20 places, 1/20 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 100 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0010-LTLFireability-11 finished in 241 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(X(F(p1))))) U (!p1&&X(p2))))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 2 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-10320657133556544182.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15547470316393513018.kers'
[2026-05-22 14:51:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10320657133556544182.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15547470316393513018.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 14:51:19] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15547470316393513018.kers
Total runtime 0 ms.
[2026-05-22 14:51:19] [INFO ] Implicit Places using invariants in 55 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 60 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 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 63 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' '!((G((!p0||X(X(F(p1))))) U (!p1&&X(p2))))'
Stuttering acceptance computed with spot in 363 ms :[(OR (NOT p2) p1), (NOT p1), (AND p0 (NOT p1)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-13
Stuttering criterion allowed to conclude after 646 steps with 105 reset in 3 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0010-LTLFireability-13 finished in 482 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(((p1 U G(p2))||p0))||F(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 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-9131516933185057635.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10250130186858350249.kers'
[2026-05-22 14:51:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9131516933185057635.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10250130186858350249.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 14:51:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10250130186858350249.kers
Total runtime 0 ms.
[2026-05-22 14:51:20] [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 : 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 27 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(((p1 U G(p2))||p0))||F(p3)))'
Stuttering acceptance computed with spot in 292 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (AND (NOT p3) (NOT p2))]
Running random walk in product with property : AirplaneLD-COL-0010-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 132 ms.
Product exploration explored 100000 steps with 50000 reset in 116 ms.
Computed a total of 19 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 19 transition count 20
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 21 factoid took 111 ms. Proved property starting from automaton with 5 states, 11 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 163 ms.
FORMULA AirplaneLD-COL-0010-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0010-LTLFireability-14 finished in 759 ms.
All properties solved by simple procedures.
Total runtime 8207 ms.

BK_STOP 1779461481234

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ 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-0010"
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-0010, 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-oct2-177944365800004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-0010.tgz
mv AirplaneLD-COL-0010 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 ;