About the Execution of ITS-Tools for AirplaneLD-COL-1000
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 521.771 | 13358.00 | 29116.00 | 98.90 | FTTTTFFFFFTFFFTT | normal |
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-oct2-177944365900051.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AirplaneLD-COL-1000, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900051
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 596K
-rw-r--r-- 1 mcc users 7.0K Mar 4 16:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 4 16:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 4 16:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 4 16:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 4 16:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Mar 4 16:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 4 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 4 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 181K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-00
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-01
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-02
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-03
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-04
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-05
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-06
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-07
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-08
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-09
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-10
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-11
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-12
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-13
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-14
FORMULA_NAME AirplaneLD-COL-1000-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779461528823
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-1000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-22 14:52:10] [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 14:52:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:52:10] [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 14:52:11] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 14:52:11] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 726 ms
[2026-05-22 14:52:11] [INFO ] Detected 3 constant HL places corresponding to 3002 PT places.
[2026-05-22 14:52:11] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 7019 PT places and 12012.0 transition bindings in 24 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 14:52:11] [INFO ] Built PT skeleton of HLPN with 20 places and 15 transitions 56 arcs in 22 ms.
[2026-05-22 14:52:11] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 3 formulas.
FORMULA AirplaneLD-COL-1000-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 20 stabilizing places and 15 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 20 transition count 15
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Remains 13 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 17 stabilizing places and 14 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 17 transition count 14
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
RANDOM walk for 40000 steps (5038 resets) in 1634 ms. (24 steps per ms) remains 13/29 properties
BEST_FIRST walk for 40003 steps (1555 resets) in 217 ms. (183 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (1352 resets) in 229 ms. (173 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (1312 resets) in 211 ms. (188 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (1355 resets) in 235 ms. (169 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (1414 resets) in 143 ms. (277 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40001 steps (1324 resets) in 124 ms. (320 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (1368 resets) in 106 ms. (373 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (1552 resets) in 69 ms. (571 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (1415 resets) in 60 ms. (655 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (1296 resets) in 50 ms. (784 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (1405 resets) in 61 ms. (645 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (1598 resets) in 40 ms. (975 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40000 steps (1331 resets) in 65 ms. (606 steps per ms) remains 13/13 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14334966897411475229.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8668956986236726898.kers'
[2026-05-22 14:52:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14334966897411475229.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8668956986236726898.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 14:52:12] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8668956986236726898.kers
Total runtime 2 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp15 is UNSAT
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp27 is UNSAT
At refinement iteration 1 (OVERLAPS) 2/13 variables, 2/2 constraints. Problems are: Problem set: 9 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/3 constraints. Problems are: Problem set: 9 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/3 constraints. Problems are: Problem set: 9 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 1/14 variables, 1/4 constraints. Problems are: Problem set: 9 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 9 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 14/28 variables, 14/18 constraints. Problems are: Problem set: 9 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 9 solved, 4 unsolved
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp16 is UNSAT
At refinement iteration 8 (OVERLAPS) 3/31 variables, 3/21 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/31 variables, 0/21 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/31 variables, 0/21 constraints. Problems are: Problem set: 12 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 31/31 variables, and 21 constraints, problems are : Problem set: 12 solved, 1 unsolved in 922 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 17/17 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/11 variables, 2/2 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 1/3 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1/12 variables, 1/4 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 12/24 variables, 12/16 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 1/17 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/24 variables, 0/17 constraints. Problems are: Problem set: 12 solved, 1 unsolved
Problem AtomicPropp21 is UNSAT
After SMT solving in domain Int declared 29/31 variables, and 20 constraints, problems are : Problem set: 13 solved, 0 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 15/17 constraints, PredecessorRefiner: 1/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1171ms problems are : Problem set: 13 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 13 atomic propositions for a total of 13 simplifications.
FORMULA AirplaneLD-COL-1000-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 14:52:14] [INFO ] Initial state reduction rules for LTL removed 3 formulas.
[2026-05-22 14:52:14] [INFO ] Flatten gal took : 21 ms
FORMULA AirplaneLD-COL-1000-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-1000-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 14:52:14] [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:2000) in guard (OR (GEQ $A 999) (EQ $A 1999))introduces in Altitude(2000) partition with 2 elements
Transition t3_1 : guard parameter $A(Altitude:2000) in guard (AND (LT $A 999) (NEQ $A 1999))introduces in Altitude(2000) partition with 2 elements
Sort wr.t. initial and guards Altitude has partition 2
Applying symmetric unfolding of partitioned symmetric sort :Altitude domain size was 2000 reducing to 2 values.
For transition t3_2:(OR (GEQ $A 999) (EQ $A 1999)) -> (EQ $A 1)
For transition t3_1:(AND (LT $A 999) (NEQ $A 1999)) -> (EQ $A 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Speed
Symmetric sort wr.t. initial detected :Speed
Transition t5_2 : guard parameter $S(Speed:1000) in guard (OR (LEQ $S 499) (EQ $S 999))introduces in Speed(1000) partition with 2 elements
Transition t5_1 : guard parameter $S(Speed:1000) in guard (AND (GT $S 499) (NEQ $S 999))introduces in Speed(1000) partition with 2 elements
Transition t4_2 : guard parameter $S(Speed:1000) in guard (OR (LEQ $S 499) (EQ $S 999))introduces in Speed(1000) partition with 2 elements
Transition t4_1 : guard parameter $S(Speed:1000) in guard (AND (GT $S 499) (NEQ $S 999))introduces in Speed(1000) partition with 2 elements
Sort wr.t. initial and guards Speed has partition 2
Applying symmetric unfolding of partitioned symmetric sort :Speed domain size was 1000 reducing to 2 values.
For transition t5_2:(OR (LEQ $S 499) (EQ $S 999)) -> (EQ $S 1)
For transition t5_1:(AND (GT $S 499) (NEQ $S 999)) -> (EQ $S 0)
For transition t4_2:(OR (LEQ $S 499) (EQ $S 999)) -> (EQ $S 1)
For transition t4_1:(AND (GT $S 499) (NEQ $S 999)) -> (EQ $S 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Signal
Arc [19:1*[1]] contains constants of sort Signal
Transition t5_2 : constants on arcs in [[19:1*[1]]] introduces in Signal(2) partition with 1 elements that refines current partition to 2 subsets.
Symmetric sort wr.t. initial and guards and successors and join/free detected :Weight
Symmetric sort wr.t. initial detected :Weight
Transition t2_2 : guard parameter $W(Weight:2) in guard (EQ $W 1)introduces in Weight(2) partition with 2 elements
[2026-05-22 14:52:14] [INFO ] Unfolded HLPN to a Petri net with 29 places and 20 transitions 56 arcs in 49 ms.
[2026-05-22 14:52:14] [INFO ] Unfolded 8 HLPN properties in 1 ms.
Reduce places removed 6 places and 0 transitions.
Support contains 16 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Applied a total of 0 rules in 4 ms. Remains 23 /23 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-281673096020377551.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12805367200398864721.kers'
[2026-05-22 14:52:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-281673096020377551.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12805367200398864721.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 23 cols 56 entries
Finished phase 1 with 14 SingleSign rule and 6 generalized
[2026-05-22 14:52:14] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12805367200398864721.kers
Total runtime 0 ms.
[2026-05-22 14:52:14] [INFO ] Implicit Places using invariants in 104 ms returned []
[2026-05-22 14:52:14] [INFO ] Invariant cache hit.
[2026-05-22 14:52:14] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:52:14] [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) 2/17 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 2/19 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 20/39 variables, 19/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 4/43 variables, 4/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/43 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/43 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 43/43 variables, and 26 constraints, problems are : Problem set: 0 solved, 10 unsolved in 467 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 23/23 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) 2/17 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 2/19 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 20/39 variables, 19/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 10/32 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 4/43 variables, 4/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 0/43 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 43/43 variables, and 36 constraints, problems are : Problem set: 0 solved, 10 unsolved in 411 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 23/23 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 885ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 886ms
Finished structural reductions in LTL mode , in 1 iterations and 1110 ms. Remains : 23/23 places, 20/20 transitions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 14:52:15] [INFO ] Invariant cache hit.
[2026-05-22 14:52:15] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-22 14:52:15] [INFO ] Invariant cache hit.
[2026-05-22 14:52:15] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 197 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 197 ms. Remains : 23/23 places, 20/20 transitions.
Support contains 16 out of 23 places after structural reductions.
[2026-05-22 14:52:15] [INFO ] Flatten gal took : 4 ms
[2026-05-22 14:52:15] [INFO ] Flatten gal took : 3 ms
[2026-05-22 14:52:15] [INFO ] Input system was already deterministic with 20 transitions.
RANDOM walk for 40000 steps (5029 resets) in 302 ms. (132 steps per ms) remains 5/18 properties
BEST_FIRST walk for 40003 steps (958 resets) in 84 ms. (470 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (1051 resets) in 33 ms. (1176 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (986 resets) in 100 ms. (396 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (945 resets) in 156 ms. (254 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (999 resets) in 91 ms. (434 steps per ms) remains 5/5 properties
[2026-05-22 14:52:15] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp16 is UNSAT
At refinement iteration 1 (OVERLAPS) 4/11 variables, 2/2 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/13 variables, 1/3 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/3 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/27 variables, 13/16 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 0/16 constraints. Problems are: Problem set: 4 solved, 1 unsolved
Problem AtomicPropp7 is UNSAT
After SMT solving in domain Real declared 40/43 variables, and 23 constraints, problems are : Problem set: 5 solved, 0 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/23 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 5 atomic propositions for a total of 8 simplifications.
Computed a total of 23 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 23 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' '!(F(p0))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Graph (complete) has 41 edges and 23 vertex of which 20 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 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 4 place count 19 transition count 18
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 4 place count 19 transition count 17
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 18 transition count 17
Applied a total of 6 rules in 19 ms. Remains 18 /23 variables (removed 5) and now considering 17/20 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4577801626027460300.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8005435304159463748.kers'
[2026-05-22 14:52:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4577801626027460300.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8005435304159463748.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 17 rows 18 cols 38 entries
Finished phase 1 with 12 SingleSign rule and 5 generalized
[2026-05-22 14:52:16] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8005435304159463748.kers
Total runtime 1 ms.
[2026-05-22 14:52:16] [INFO ] Implicit Places using invariants in 39 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 17/23 places, 17/20 transitions.
Graph (complete) has 15 edges and 17 vertex of which 16 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 16 transition count 15
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 15 transition count 15
Applied a total of 3 rules in 11 ms. Remains 15 /17 variables (removed 2) and now considering 15/17 (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-18320906094246701840.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10832410466231175391.kers'
[2026-05-22 14:52:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18320906094246701840.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10832410466231175391.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 15 rows 15 cols 32 entries
Finished phase 1 with 15 SingleSign rule and 0 generalized
[2026-05-22 14:52:16] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10832410466231175391.kers
Total runtime 0 ms.
[2026-05-22 14:52:16] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-22 14:52:16] [INFO ] Invariant cache hit.
[2026-05-22 14:52:17] [INFO ] Implicit Places using invariants and state equation in 757 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 820 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/23 places, 15/20 transitions.
Applied a total of 0 rules in 3 ms. Remains 14 /14 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 895 ms. Remains : 14/23 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' '!(F(p0))'
Stuttering acceptance computed with spot in 176 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLCardinality-02
Product exploration explored 100000 steps with 28695 reset in 250 ms.
Product exploration explored 100000 steps with 28569 reset in 116 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)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 39 ms. Proved property starting from automaton with 1 states, 1 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 87 ms.
FORMULA AirplaneLD-COL-1000-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-1000-LTLCardinality-02 finished in 1635 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)&&X(F((G((X(X(p1)) U (X(X(G(p1)))||(p2&&X(X(p1))))))||(!p2&&X((X(X(p1)) U (X(X(G(p1)))||(p2&&X(X(p1))))))))))))'
Support contains 8 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 20
Applied a total of 1 rules in 1 ms. Remains 22 /23 variables (removed 1) 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-9536373996818559408.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8216137962285898291.kers'
[2026-05-22 14:52:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9536373996818559408.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8216137962285898291.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 22 cols 50 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-22 14:52:17] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8216137962285898291.kers
Total runtime 0 ms.
[2026-05-22 14:52:18] [INFO ] Implicit Places using invariants in 43 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 21/23 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' '!((F(p0)&&X(F((G((X(X(p1)) U (X(X(G(p1)))||(p2&&X(X(p1))))))||(!p2&&X((X(X(p1)) U (X(X(G(p1)))||(p2&&X(X(p1))))))))))))'
Stuttering acceptance computed with spot in 620 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLCardinality-03
Product exploration explored 100000 steps with 12610 reset in 184 ms.
Product exploration explored 100000 steps with 12603 reset in 192 ms.
Computed a total of 21 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 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 6 factoid took 61 ms. Proved property starting from automaton with 12 states, 39 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 91 ms.
FORMULA AirplaneLD-COL-1000-LTLCardinality-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-1000-LTLCardinality-03 finished in 1206 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||X(F((!p0&&X(F((!p0&&X(p1))))))))))'
Support contains 3 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
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 19 transition count 19
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 6 place count 19 transition count 18
Applied a total of 6 rules in 1 ms. Remains 19 /23 variables (removed 4) 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-515233942221398029.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6500706061809676301.kers'
[2026-05-22 14:52:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-515233942221398029.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6500706061809676301.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 14:52:19] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6500706061809676301.kers
Total runtime 0 ms.
[2026-05-22 14:52:19] [INFO ] Implicit Places using invariants in 69 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 71 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/23 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 74 ms. Remains : 18/23 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||X(F((p0&&X(F((p0&&X(p1))))))))))'
Stuttering acceptance computed with spot in 320 ms :[(NOT p0), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-COL-1000-LTLCardinality-06
Stuttering criterion allowed to conclude after 10 steps with 2 reset in 0 ms.
FORMULA AirplaneLD-COL-1000-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLCardinality-06 finished in 443 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(F((p0&&X(p1)))))))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 20
Applied a total of 1 rules in 0 ms. Remains 22 /23 variables (removed 1) 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-1538131114268363745.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12251584329048558740.kers'
[2026-05-22 14:52:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1538131114268363745.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12251584329048558740.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 22 cols 50 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-22 14:52:19] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12251584329048558740.kers
Total runtime 0 ms.
[2026-05-22 14:52:19] [INFO ] Implicit Places using invariants in 91 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 94 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 108 ms. Remains : 21/23 places, 20/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((p0&&X(p1)))))))'
Stuttering acceptance computed with spot in 240 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-COL-1000-LTLCardinality-07
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-1000-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLCardinality-07 finished in 391 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((!(p0 U p1)||G(!p0)))||X(!p1)))'
Support contains 4 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
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 19 transition count 19
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 6 place count 19 transition count 18
Applied a total of 6 rules in 1 ms. Remains 19 /23 variables (removed 4) 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-10910521126319319597.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2915625328535008221.kers'
[2026-05-22 14:52:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10910521126319319597.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2915625328535008221.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 14:52:19] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2915625328535008221.kers
Total runtime 0 ms.
[2026-05-22 14:52:20] [INFO ] Implicit Places using invariants in 28 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 : 18/23 places, 18/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30 ms. Remains : 18/23 places, 18/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((!(p0 U p1)||G(!p0)))||X(!p1)))'
Stuttering acceptance computed with spot in 129 ms :[(AND p0 p1), (AND p1 p0), (AND p0 p1)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLCardinality-10
Product exploration explored 100000 steps with 21928 reset in 212 ms.
Product exploration explored 100000 steps with 21957 reset in 151 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 18 ms. Proved property starting from automaton with 3 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 99 ms.
FORMULA AirplaneLD-COL-1000-LTLCardinality-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-1000-LTLCardinality-10 finished in 657 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&&X(G((G(p0) U p1)))))))'
Support contains 6 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 0 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-8794793526793800372.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16772000741971467986.kers'
[2026-05-22 14:52:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8794793526793800372.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16772000741971467986.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 14:52:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16772000741971467986.kers
Total runtime 0 ms.
[2026-05-22 14:52:20] [INFO ] Implicit Places using invariants in 28 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/23 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 31 ms. Remains : 19/23 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(F((p0&&X(G((G(p0) U p1)))))))'
Stuttering acceptance computed with spot in 230 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLCardinality-11
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-1000-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-1000-LTLCardinality-11 finished in 299 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 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Graph (complete) has 41 edges and 23 vertex of which 16 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 15 transition count 15
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 15 transition count 15
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 15 transition count 14
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 4 place count 15 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 14 transition count 13
Applied a total of 6 rules in 6 ms. Remains 14 /23 variables (removed 9) and now considering 13/20 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4566973985336702230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7307487970475745624.kers'
[2026-05-22 14:52:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4566973985336702230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7307487970475745624.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 13 rows 14 cols 29 entries
Finished phase 1 with 9 SingleSign rule and 4 generalized
[2026-05-22 14:52:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7307487970475745624.kers
Total runtime 0 ms.
[2026-05-22 14:52:20] [INFO ] Implicit Places using invariants in 46 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/23 places, 13/20 transitions.
Graph (complete) has 11 edges and 13 vertex of which 12 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 12 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 11 transition count 11
Applied a total of 3 rules in 3 ms. Remains 11 /13 variables (removed 2) and now considering 11/13 (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-13184585755980373214.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16348414089048374555.kers'
[2026-05-22 14:52:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13184585755980373214.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16348414089048374555.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 11 rows 11 cols 23 entries
Finished phase 1 with 11 SingleSign rule and 0 generalized
[2026-05-22 14:52:20] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16348414089048374555.kers
Total runtime 1 ms.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-22 14:52:21] [INFO ] Invariant cache hit.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants and state equation in 48 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 117 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/23 places, 11/20 transitions.
Applied a total of 0 rules in 2 ms. Remains 10 /10 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 175 ms. Remains : 10/23 places, 11/20 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 64 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLCardinality-14
Product exploration explored 100000 steps with 20561 reset in 70 ms.
Product exploration explored 100000 steps with 20473 reset in 59 ms.
Computed a total of 10 stabilizing places and 11 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 10 transition count 11
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 4 factoid took 12 ms. Proved property starting from automaton with 1 states, 2 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 67 ms.
FORMULA AirplaneLD-COL-1000-LTLCardinality-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-1000-LTLCardinality-14 finished in 495 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Graph (complete) has 41 edges and 23 vertex of which 2 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.0 ms
Discarding 21 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 0 ms. Remains 2 /23 variables (removed 21) 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-6513928281529502933.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-463140660867258919.kers'
[2026-05-22 14:52:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6513928281529502933.kers, --Pflows, --basisKERS=/tmp/petrispot-output-463140660867258919.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 14:52:21] [INFO ] Computed 0 invariants in 13 ms
Computed 0 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-463140660867258919.kers
Total runtime 13 ms.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-22 14:52:21] [INFO ] Invariant cache hit.
[2026-05-22 14:52:21] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2026-05-22 14:52:21] [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 : 2/23 places, 2/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 95 ms. Remains : 2/23 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)))'
Stuttering acceptance computed with spot in 54 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-1000-LTLCardinality-15
Product exploration explored 100000 steps with 33333 reset in 37 ms.
Product exploration explored 100000 steps with 33333 reset in 87 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 3 factoid took 10 ms. Proved property starting from automaton with 2 states, 3 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 55 ms.
FORMULA AirplaneLD-COL-1000-LTLCardinality-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-1000-LTLCardinality-15 finished in 357 ms.
All properties solved by simple procedures.
Total runtime 11204 ms.
BK_STOP 1779461542181
--------------------
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
++ 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 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-1000"
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-1000, 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-oct2-177944365900051"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-1000.tgz
mv AirplaneLD-COL-1000 execution
cd execution
if [ "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 '
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 ;
