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-oct2-177944365900067.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-4000, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900067
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.4K Mar 4 17:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 4 17:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 4 17:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 4 17:05 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 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Mar 15 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 4 17:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 4 17:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 4 17:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 4 17:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:02 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 620K 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-4000-LTLCardinality-00
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-01
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-02
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-03
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-04
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-05
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-06
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-07
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-08
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-09
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-10
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-11
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-12
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-13
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-14
FORMULA_NAME AirplaneLD-COL-4000-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779461560469

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-COL-4000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-22 14:52:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 14:52:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:52:42] [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 14:52:42] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 14:52:43] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 821 ms
[2026-05-22 14:52:43] [INFO ] Detected 3 constant HL places corresponding to 12002 PT places.
[2026-05-22 14:52:43] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 28019 PT places and 48012.0 transition bindings in 48 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 14:52:43] [INFO ] Built PT skeleton of HLPN with 20 places and 15 transitions 56 arcs in 5 ms.
[2026-05-22 14:52:43] [INFO ] Skeletonized 16 HLPN properties in 3 ms.
Initial state reduction rules removed 2 formulas.
FORMULA AirplaneLD-COL-4000-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-4000-LTLCardinality-05 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 14 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.
FORMULA AirplaneLD-COL-4000-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 17 stabilizing places and 14 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 17 transition count 14
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
RANDOM walk for 40000 steps (5026 resets) in 1066 ms. (37 steps per ms) remains 12/26 properties
BEST_FIRST walk for 40004 steps (1312 resets) in 124 ms. (320 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (1311 resets) in 95 ms. (416 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (1596 resets) in 117 ms. (339 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1316 resets) in 143 ms. (277 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1369 resets) in 148 ms. (268 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (1150 resets) in 79 ms. (500 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (1598 resets) in 93 ms. (425 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1601 resets) in 94 ms. (421 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (1399 resets) in 72 ms. (547 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1420 resets) in 84 ms. (470 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (1599 resets) in 176 ms. (226 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1345 resets) in 51 ms. (769 steps per ms) remains 12/12 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5692068890470545267.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18203238707803598104.kers'
[2026-05-22 14:52:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5692068890470545267.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18203238707803598104.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 14 rows 16 cols 37 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-22 14:52:44] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18203238707803598104.kers
Total runtime 1 ms.
Problem AtomicPropp5 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 11 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp22 is UNSAT
At refinement iteration 2 (OVERLAPS) 3/11 variables, 2/3 constraints. Problems are: Problem set: 10 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 10 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/23 variables, 11/14 constraints. Problems are: Problem set: 10 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 0/14 constraints. Problems are: Problem set: 10 solved, 2 unsolved
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp15 is UNSAT
After SMT solving in domain Real declared 29/31 variables, and 18 constraints, problems are : Problem set: 12 solved, 0 unsolved in 336 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 15/17 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 392ms problems are : Problem set: 12 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 12 atomic propositions for a total of 13 simplifications.
FORMULA AirplaneLD-COL-4000-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-4000-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 14:52:44] [INFO ] Initial state reduction rules for LTL removed 3 formulas.
[2026-05-22 14:52:44] [INFO ] Flatten gal took : 15 ms
[2026-05-22 14:52:44] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
FORMULA AirplaneLD-COL-4000-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-4000-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-4000-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-4000-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 14:52:44] [INFO ] Flatten gal took : 3 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Altitude
Symmetric sort wr.t. initial detected :Altitude
Transition t3_2 : guard parameter $A(Altitude:8000) in guard (OR (GEQ $A 3999) (EQ $A 7999))introduces in Altitude(8000) partition with 2 elements
Transition t3_1 : guard parameter $A(Altitude:8000) in guard (AND (LT $A 3999) (NEQ $A 7999))introduces in Altitude(8000) 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 8000 reducing to 2 values.
For transition t3_2:(OR (GEQ $A 3999) (EQ $A 7999)) -> (EQ $A 1)
For transition t3_1:(AND (LT $A 3999) (NEQ $A 7999)) -> (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:4000) in guard (OR (LEQ $S 1999) (EQ $S 3999))introduces in Speed(4000) partition with 2 elements
Transition t5_1 : guard parameter $S(Speed:4000) in guard (AND (GT $S 1999) (NEQ $S 3999))introduces in Speed(4000) partition with 2 elements
Transition t4_2 : guard parameter $S(Speed:4000) in guard (OR (LEQ $S 1999) (EQ $S 3999))introduces in Speed(4000) partition with 2 elements
Transition t4_1 : guard parameter $S(Speed:4000) in guard (AND (GT $S 1999) (NEQ $S 3999))introduces in Speed(4000) 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 4000 reducing to 2 values.
For transition t5_2:(OR (LEQ $S 1999) (EQ $S 3999)) -> (EQ $S 1)
For transition t5_1:(AND (GT $S 1999) (NEQ $S 3999)) -> (EQ $S 0)
For transition t4_2:(OR (LEQ $S 1999) (EQ $S 3999)) -> (EQ $S 1)
For transition t4_1:(AND (GT $S 1999) (NEQ $S 3999)) -> (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 14:52:44] [INFO ] Unfolded HLPN to a Petri net with 29 places and 20 transitions 56 arcs in 88 ms.
[2026-05-22 14:52:44] [INFO ] Unfolded 7 HLPN properties in 0 ms.
Reduce places removed 6 places and 0 transitions.
Support contains 18 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 20
Applied a total of 3 rules in 6 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-12336261943976183047.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-703725284925757704.kers'
[2026-05-22 14:52:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12336261943976183047.kers, --Pflows, --basisKERS=/tmp/petrispot-output-703725284925757704.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 14:52:44] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-703725284925757704.kers
Total runtime 0 ms.
[2026-05-22 14:52:44] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-22 14:52:44] [INFO ] Invariant cache hit.
[2026-05-22 14:52:45] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:52:45] [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 318 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 251 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 574ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 574ms
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 20/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 663 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 5 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 14:52:45] [INFO ] Invariant cache hit.
[2026-05-22 14:52:45] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-22 14:52:45] [INFO ] Invariant cache hit.
[2026-05-22 14:52:45] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 61 ms. Remains : 20/20 places, 20/20 transitions.
Support contains 18 out of 20 places after structural reductions.
[2026-05-22 14:52:45] [INFO ] Flatten gal took : 5 ms
[2026-05-22 14:52:45] [INFO ] Flatten gal took : 3 ms
[2026-05-22 14:52:45] [INFO ] Input system was already deterministic with 20 transitions.
RANDOM walk for 40000 steps (5056 resets) in 452 ms. (88 steps per ms) remains 4/14 properties
BEST_FIRST walk for 40002 steps (952 resets) in 60 ms. (655 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (987 resets) in 50 ms. (784 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (983 resets) in 28 ms. (1379 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (967 resets) in 85 ms. (465 steps per ms) remains 4/4 properties
[2026-05-22 14:52:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 2/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp1 is UNSAT
At refinement iteration 3 (OVERLAPS) 12/21 variables, 9/10 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp11 is UNSAT
After SMT solving in domain Real declared 30/40 variables, and 15 constraints, problems are : Problem set: 4 solved, 0 unsolved in 95 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 14/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 97ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 4 atomic propositions for a total of 7 simplifications.
Computed a total of 20 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 20 transition count 20
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(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.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 5 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-631004814364930529.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16107016206745275623.kers'
[2026-05-22 14:52:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-631004814364930529.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16107016206745275623.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 14:52:46] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16107016206745275623.kers
Total runtime 0 ms.
[2026-05-22 14:52:46] [INFO ] Implicit Places using invariants in 58 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 60 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 66 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(p0)))'
Stuttering acceptance computed with spot in 327 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-4000-LTLCardinality-02
Product exploration explored 100000 steps with 33333 reset in 179 ms.
Product exploration explored 100000 steps with 33333 reset in 109 ms.
Computed a total of 18 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 34 ms. Proved property starting from automaton with 4 states, 4 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 73 ms.
FORMULA AirplaneLD-COL-4000-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-4000-LTLCardinality-02 finished in 843 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)))'
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-9229232347476558901.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11522860434253137583.kers'
[2026-05-22 14:52:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9229232347476558901.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11522860434253137583.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 14:52:47] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11522860434253137583.kers
Total runtime 0 ms.
[2026-05-22 14:52:47] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-22 14:52:47] [INFO ] Invariant cache hit.
[2026-05-22 14:52:47] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 20/20 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((p0 U p1)))'
Stuttering acceptance computed with spot in 133 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : AirplaneLD-COL-4000-LTLCardinality-07
Product exploration explored 100000 steps with 50000 reset in 86 ms.
Product exploration explored 100000 steps with 50000 reset in 127 ms.
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).
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 7 factoid took 13 ms. Proved property starting from automaton with 3 states, 4 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 67 ms.
FORMULA AirplaneLD-COL-4000-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-4000-LTLCardinality-07 finished in 531 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 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 14:52:47] [INFO ] Invariant cache hit.
[2026-05-22 14:52:47] [INFO ] Implicit Places using invariants in 53 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 55 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Graph (complete) has 17 edges and 19 vertex of which 18 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
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 18 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 17 transition count 18
Applied a total of 3 rules in 7 ms. Remains 17 /19 variables (removed 2) 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-18008396708949941814.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13666819181166799122.kers'
[2026-05-22 14:52:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18008396708949941814.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13666819181166799122.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 17 cols 38 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-22 14:52:47] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13666819181166799122.kers
Total runtime 0 ms.
[2026-05-22 14:52:47] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-22 14:52:47] [INFO ] Invariant cache hit.
[2026-05-22 14:52:47] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/20 places, 18/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 119 ms. Remains : 17/20 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(p0)))'
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-COL-4000-LTLCardinality-08
Product exploration explored 100000 steps with 14435 reset in 120 ms.
Product exploration explored 100000 steps with 14409 reset in 140 ms.
Computed a total of 17 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 17 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 15 ms. Proved property starting from automaton with 1 states, 2 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 40 ms.
FORMULA AirplaneLD-COL-4000-LTLCardinality-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-4000-LTLCardinality-08 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' '!(X(p0))'
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 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-9175518628366010007.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6740640709093513794.kers'
[2026-05-22 14:52:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9175518628366010007.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6740640709093513794.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 14:52:48] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6740640709093513794.kers
Total runtime 0 ms.
[2026-05-22 14:52:48] [INFO ] Implicit Places using invariants in 497 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 510 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 512 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(p0))'
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : AirplaneLD-COL-4000-LTLCardinality-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-4000-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-4000-LTLCardinality-09 finished in 603 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||G(p1)))))'
Support contains 5 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 16 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 1 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-4469403846368929133.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2954265871933124245.kers'
[2026-05-22 14:52:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4469403846368929133.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2954265871933124245.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 14:52:48] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2954265871933124245.kers
Total runtime 1 ms.
[2026-05-22 14:52:48] [INFO ] Implicit Places using invariants in 37 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 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
Applied a total of 1 rules in 3 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-14345915434474158487.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3657804650058753589.kers'
[2026-05-22 14:52:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14345915434474158487.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3657804650058753589.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 14:52:48] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3657804650058753589.kers
Total runtime 0 ms.
[2026-05-22 14:52:48] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-22 14:52:48] [INFO ] Invariant cache hit.
[2026-05-22 14:52:48] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 62 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 103 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' '!(G(F((p0||G(p1)))))'
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-COL-4000-LTLCardinality-12
Product exploration explored 100000 steps with 15661 reset in 111 ms.
Product exploration explored 100000 steps with 15639 reset in 97 ms.
Computed a total of 14 stabilizing places and 15 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 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).
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 7 factoid took 127 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
RANDOM walk for 97 steps (13 resets) in 5 ms. (16 steps per ms) remains 0/4 properties
Knowledge based reduction with 7 factoid took 156 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 397 ms.
Stuttering acceptance computed with spot in 50 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2026-05-22 14:52:49] [INFO ] Invariant cache hit.
[2026-05-22 14:52:49] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-22 14:52:49] [INFO ] Invariant cache hit.
[2026-05-22 14:52:49] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2026-05-22 14:52:49] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2026-05-22 14:52:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 14/24 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 5/29 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 29/29 variables, and 14 constraints, problems are : Problem set: 0 solved, 7 unsolved in 398 ms.
Refiners :[State Equation: 14/14 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 14/24 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 5/29 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/29 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/29 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 29/29 variables, and 21 constraints, problems are : Problem set: 0 solved, 7 unsolved in 107 ms.
Refiners :[State Equation: 14/14 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 510ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 511ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 569 ms. Remains : 14/14 places, 15/15 transitions.
Computed a total of 14 stabilizing places and 15 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 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).
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 7 factoid took 125 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
RANDOM walk for 63 steps (7 resets) in 4 ms. (12 steps per ms) remains 0/4 properties
Knowledge based reduction with 7 factoid took 222 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 447 ms.
Stuttering acceptance computed with spot in 60 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 95 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 15675 reset in 63 ms.
Product exploration explored 100000 steps with 15700 reset in 81 ms.
Built C files in :
/tmp/ltsmin12806201748186608371
[2026-05-22 14:52:50] [INFO ] Computing symmetric may disable matrix : 15 transitions.
[2026-05-22 14:52:50] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 14:52:50] [INFO ] Computing symmetric may enable matrix : 15 transitions.
[2026-05-22 14:52:50] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 14:52:50] [INFO ] Computing Do-Not-Accords matrix : 15 transitions.
[2026-05-22 14:52:50] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 14:52:50] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12806201748186608371
Running compilation step : cd /tmp/ltsmin12806201748186608371;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 305 ms.
Running link step : cd /tmp/ltsmin12806201748186608371;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 88 ms.
Running LTSmin : cd /tmp/ltsmin12806201748186608371;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased12811012999788640199.hoa' '--buchi-type=spotba'
LTSmin run took 41 ms.
FORMULA AirplaneLD-COL-4000-LTLCardinality-12 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property AirplaneLD-COL-4000-LTLCardinality-12 finished in 2679 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(X(X(G(p0)))))) U G(p0)))'
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 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-9041391816204145744.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15254778150549526547.kers'
[2026-05-22 14:52:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9041391816204145744.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15254778150549526547.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 14:52:51] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15254778150549526547.kers
Total runtime 0 ms.
[2026-05-22 14:52:51] [INFO ] Implicit Places using invariants in 22 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 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 24 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(X(X(G(p0)))))) U G(p0)))'
Stuttering acceptance computed with spot in 242 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-4000-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-4000-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-4000-LTLCardinality-13 finished in 288 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 3 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 9 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.0 ms
Discarding 11 places :
Also discarding 10 output transitions
Drop transitions (Output transitions of discarded places.) removed 10 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 9 transition count 9
Applied a total of 2 rules in 3 ms. Remains 9 /20 variables (removed 11) and now considering 9/20 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13967523836281484009.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15054619405825171646.kers'
[2026-05-22 14:52:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13967523836281484009.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15054619405825171646.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 9 cols 18 entries
Finished phase 1 with 6 SingleSign rule and 2 generalized
[2026-05-22 14:52:51] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15054619405825171646.kers
Total runtime 0 ms.
[2026-05-22 14:52:51] [INFO ] Implicit Places using invariants in 34 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/20 places, 9/20 transitions.
Graph (complete) has 5 edges and 8 vertex of which 7 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 6 transition count 7
Applied a total of 3 rules in 2 ms. Remains 6 /8 variables (removed 2) and now considering 7/9 (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-14368146255167024003.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16538555786159102948.kers'
[2026-05-22 14:52:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14368146255167024003.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16538555786159102948.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 6 cols 12 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-22 14:52:51] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16538555786159102948.kers
Total runtime 0 ms.
[2026-05-22 14:52:51] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-22 14:52:51] [INFO ] Invariant cache hit.
[2026-05-22 14:52:51] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/20 places, 7/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 103 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 116 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-4000-LTLCardinality-14
Stuttering criterion allowed to conclude after 19 steps with 4 reset in 0 ms.
FORMULA AirplaneLD-COL-4000-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-4000-LTLCardinality-14 finished in 254 ms.
All properties solved by simple procedures.
Total runtime 9657 ms.

BK_STOP 1779461572286

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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-4000"
export BK_EXAMINATION="LTLCardinality"
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-4000, examination is LTLCardinality"
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-oct2-177944365900067"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-4000.tgz
mv AirplaneLD-COL-4000 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;