fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r146-tall-177961073900028
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for FunctionPointer-PT-a016

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
485.275 18111.00 31314.00 126.80 FFTFTFFFFFTTFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r146-tall-177961073900028.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FunctionPointer-PT-a016, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961073900028
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 8.0K Mar 7 07:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 7 07:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 07:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 07:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Mar 7 07:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 7 07:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 7 07:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 7 07:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 34K 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 FunctionPointer-PT-a016-LTLFireability-00
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-01
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-02
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-03
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-04
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-05
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-06
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-07
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-08
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-09
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-10
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-11
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-12
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-13
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-14
FORMULA_NAME FunctionPointer-PT-a016-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779660412749

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-a016
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 22:06:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 22:06:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 22:06:54] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2026-05-24 22:06:54] [INFO ] Transformed 40 places.
[2026-05-24 22:06:54] [INFO ] Transformed 70 transitions.
[2026-05-24 22:06:54] [INFO ] Parsed PT model containing 40 places and 70 transitions and 284 arcs in 148 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 4 transitions.
FORMULA FunctionPointer-PT-a016-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a016-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a016-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a016-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 17 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 66/66 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 31 transition count 66
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 30 transition count 64
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 7 place count 30 transition count 62
Applied a total of 7 rules in 19 ms. Remains 30 /34 variables (removed 4) and now considering 62/66 (removed 4) transitions.
[2026-05-24 22:06:54] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9796910814340522553.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9057594580679674311.kers'
[2026-05-24 22:06:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9796910814340522553.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9057594580679674311.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 44 rows 30 cols 128 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 22:06:54] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9057594580679674311.kers
Total runtime 1 ms.
[2026-05-24 22:06:54] [INFO ] Implicit Places using invariants in 168 ms returned []
[2026-05-24 22:06:54] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:54] [INFO ] Invariant cache hit.
[2026-05-24 22:06:54] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:06:54] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 317 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-24 22:06:54] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:54] [INFO ] Invariant cache hit.
[2026-05-24 22:06:54] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 74/74 variables, and 40 constraints, problems are : Problem set: 0 solved, 60 unsolved in 754 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 60/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 74/74 variables, and 100 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1124 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1955ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1970ms
Starting structural reductions in LTL mode, iteration 1 : 30/34 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2338 ms. Remains : 30/34 places, 62/66 transitions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:06:56] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:56] [INFO ] Invariant cache hit.
[2026-05-24 22:06:56] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 22:06:56] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:56] [INFO ] Invariant cache hit.
[2026-05-24 22:06:56] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:06:56] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 77 ms. Remains : 30/30 places, 62/62 transitions.
Support contains 17 out of 30 places after structural reductions.
[2026-05-24 22:06:56] [INFO ] Flatten gal took : 24 ms
[2026-05-24 22:06:56] [INFO ] Flatten gal took : 8 ms
[2026-05-24 22:06:56] [INFO ] Input system was already deterministic with 62 transitions.
Reduction of identical properties reduced properties to check from 24 to 21
RANDOM walk for 5322 steps (15 resets) in 189 ms. (28 steps per ms) remains 0/21 properties
FORMULA FunctionPointer-PT-a016-LTLFireability-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 3 stabilizing places and 8 stable 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((X(p1)&&p0))&&F(!p1)))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:06:57] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:57] [INFO ] Invariant cache hit.
[2026-05-24 22:06:57] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 22:06:57] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:57] [INFO ] Invariant cache hit.
[2026-05-24 22:06:57] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:06:57] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 89 ms. Remains : 30/30 places, 62/62 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((X(p1)&&p0))&&F(!p1)))'
Stuttering acceptance computed with spot in 297 ms :[true, (OR (NOT p0) (NOT p1)), p1, (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-00
Stuttering criterion allowed to conclude after 224 steps with 6 reset in 6 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-00 finished in 468 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(p0)&&G(p1))))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:06:58] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:58] [INFO ] Invariant cache hit.
[2026-05-24 22:06:58] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 22:06:58] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:58] [INFO ] Invariant cache hit.
[2026-05-24 22:06:58] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:06:58] [INFO ] Implicit Places using invariants and state equation in 43 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 82 ms. Remains : 30/30 places, 62/62 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)&&G(p1))))'
Stuttering acceptance computed with spot in 177 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-01
Entered a terminal (fully accepting) state of product in 140 steps with 2 reset in 5 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-01 finished in 291 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((G(F(p0))&&(X(p2)||p1)))))'
Support contains 5 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:06:58] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:58] [INFO ] Invariant cache hit.
[2026-05-24 22:06:58] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 22:06:58] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:58] [INFO ] Invariant cache hit.
[2026-05-24 22:06:58] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:06:58] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 88 ms. Remains : 30/30 places, 62/62 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((G(F(p0))&&(X(p2)||p1)))))'
Stuttering acceptance computed with spot in 208 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-03
Product exploration explored 100000 steps with 1759 reset in 274 ms.
Stack based approach found an accepted trace after 70641 steps with 1216 reset with depth 77 and stack size 77 in 127 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-03 finished in 732 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(((F(!(p0 U p1)) U p1)&&X(p0)&&!p1))))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:06:59] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:59] [INFO ] Invariant cache hit.
[2026-05-24 22:06:59] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 22:06:59] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:59] [INFO ] Invariant cache hit.
[2026-05-24 22:06:59] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:06:59] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 88 ms. Remains : 30/30 places, 62/62 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(((F(!(p0 U p1)) U p1)&&X(p0)&&!p1))))'
Stuttering acceptance computed with spot in 202 ms :[true, true, (NOT p1), (NOT p0), p1]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-05
Stuttering criterion allowed to conclude after 53 steps with 1 reset in 1 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-05 finished in 324 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((G(p0) U p1)))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:06:59] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:59] [INFO ] Invariant cache hit.
[2026-05-24 22:06:59] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 22:06:59] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:06:59] [INFO ] Invariant cache hit.
[2026-05-24 22:06:59] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:06:59] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 30/30 places, 62/62 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((G(p0) U p1)))'
Stuttering acceptance computed with spot in 135 ms :[(NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-06
Entered a terminal (fully accepting) state of product in 106 steps with 2 reset in 1 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-06 finished in 237 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(((G(!p1) U !p2) U p1))))'
Support contains 5 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 30 transition count 60
Applied a total of 2 rules in 27 ms. Remains 30 /30 variables (removed 0) and now considering 60/62 (removed 2) transitions.
[2026-05-24 22:06:59] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1017864652338158965.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18354195715369011795.kers'
[2026-05-24 22:06:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1017864652338158965.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18354195715369011795.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 43 rows 30 cols 126 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 22:06:59] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18354195715369011795.kers
Total runtime 0 ms.
[2026-05-24 22:06:59] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 22:06:59] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 22:06:59] [INFO ] Invariant cache hit.
[2026-05-24 22:06:59] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:06:59] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
[2026-05-24 22:06:59] [INFO ] Redundant transitions in 0 ms returned []
Running 58 sub problems to find dead transitions.
[2026-05-24 22:06:59] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 22:06:59] [INFO ] Invariant cache hit.
[2026-05-24 22:06:59] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 43/73 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/73 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 73/73 variables, and 40 constraints, problems are : Problem set: 0 solved, 58 unsolved in 510 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 43/73 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 58/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/73 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (OVERLAPS) 0/73 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 73/73 variables, and 98 constraints, problems are : Problem set: 0 solved, 58 unsolved in 926 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1448ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1448ms
Starting structural reductions in SI_LTL mode, iteration 1 : 30/30 places, 60/62 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1555 ms. Remains : 30/30 places, 60/62 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(((G(!p1) U !p2) U p1))))'
Stuttering acceptance computed with spot in 395 ms :[(NOT p1), p1, (NOT p1), (NOT p1), (NOT p1), false, false, true, false]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-07
Product exploration explored 100000 steps with 1439 reset in 159 ms.
Stack based approach found an accepted trace after 10401 steps with 156 reset with depth 60 and stack size 59 in 19 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-07 finished in 2167 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 30 transition count 60
Applied a total of 2 rules in 10 ms. Remains 30 /30 variables (removed 0) and now considering 60/62 (removed 2) transitions.
[2026-05-24 22:07:01] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 22:07:01] [INFO ] Invariant cache hit.
[2026-05-24 22:07:01] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-24 22:07:01] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 22:07:01] [INFO ] Invariant cache hit.
[2026-05-24 22:07:01] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:07:01] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
[2026-05-24 22:07:01] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/30 places, 60/62 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 157 ms. Remains : 30/30 places, 60/62 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-09
Stuttering criterion allowed to conclude after 46 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-09 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' '!(X((X(X(X(p0)))||(X(p1)&&G(p2)))))'
Support contains 5 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:07:02] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11000325861559701009.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10224726422480210844.kers'
[2026-05-24 22:07:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11000325861559701009.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10224726422480210844.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 44 rows 30 cols 128 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 22:07:02] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10224726422480210844.kers
Total runtime 0 ms.
[2026-05-24 22:07:02] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 22:07:02] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:07:02] [INFO ] Invariant cache hit.
[2026-05-24 22:07:02] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:07:02] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-24 22:07:02] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:07:02] [INFO ] Invariant cache hit.
[2026-05-24 22:07:02] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 74/74 variables, and 40 constraints, problems are : Problem set: 0 solved, 60 unsolved in 513 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 60/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 74/74 variables, and 100 constraints, problems are : Problem set: 0 solved, 60 unsolved in 964 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1487ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1488ms
Finished structural reductions in LTL mode , in 1 iterations and 1564 ms. Remains : 30/30 places, 62/62 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(p0)))||(X(p1)&&G(p2)))))'
Stuttering acceptance computed with spot in 393 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p2), true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-10
Product exploration explored 100000 steps with 20000 reset in 91 ms.
Product exploration explored 100000 steps with 20000 reset in 90 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge based reduction with 4 factoid took 118 ms. Reduced automaton from 10 states, 15 edges and 3 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 1683 steps (4 resets) in 15 ms. (105 steps per ms) remains 0/1 properties
Knowledge based reduction with 4 factoid took 86 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 186 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Knowledge-based reduction took 412 ms.
Stuttering acceptance computed with spot in 190 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Support contains 2 out of 30 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:07:04] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:07:04] [INFO ] Invariant cache hit.
[2026-05-24 22:07:04] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 22:07:04] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:07:04] [INFO ] Invariant cache hit.
[2026-05-24 22:07:04] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:07:04] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 30/30 places, 62/62 transitions.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge based reduction with 1 factoid took 55 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 2069 steps (4 resets) in 8 ms. (229 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 63 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 231 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Knowledge-based reduction took 356 ms.
Stuttering acceptance computed with spot in 223 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Stuttering acceptance computed with spot in 215 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Product exploration explored 100000 steps with 20000 reset in 115 ms.
Product exploration explored 100000 steps with 20000 reset in 116 ms.
Spot run failed in 76 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin16095905023197916053
[2026-05-24 22:07:06] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16095905023197916053
Running compilation step : cd /tmp/ltsmin16095905023197916053;'/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 260 ms.
Running link step : cd /tmp/ltsmin16095905023197916053;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin16095905023197916053;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased9577185289445027044.hoa' '--buchi-type=spotba'
LTSmin run took 46 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-10 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FunctionPointer-PT-a016-LTLFireability-10 finished in 4420 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((G(X((G(!p1)||p2))) U p2))&&p0)))))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 3 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:07:06] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:07:06] [INFO ] Invariant cache hit.
[2026-05-24 22:07:06] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 22:07:06] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:07:06] [INFO ] Invariant cache hit.
[2026-05-24 22:07:06] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:07:06] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 76 ms. Remains : 30/30 places, 62/62 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((G(X((G(!p1)||p2))) U p2))&&p0)))))'
Stuttering acceptance computed with spot in 346 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), true, (NOT p2), (NOT p2), p1, (AND p1 (NOT p2))]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-12
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-12 finished in 457 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((F(p0)&&G(p1))))'
Support contains 3 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 30 transition count 60
Applied a total of 2 rules in 9 ms. Remains 30 /30 variables (removed 0) and now considering 60/62 (removed 2) transitions.
[2026-05-24 22:07:06] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6914136417467993151.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1500428905845979362.kers'
[2026-05-24 22:07:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6914136417467993151.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1500428905845979362.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 43 rows 30 cols 126 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 22:07:06] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1500428905845979362.kers
Total runtime 0 ms.
[2026-05-24 22:07:06] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 22:07:06] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 22:07:06] [INFO ] Invariant cache hit.
[2026-05-24 22:07:07] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:07:07] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
[2026-05-24 22:07:07] [INFO ] Redundant transitions in 0 ms returned []
Running 58 sub problems to find dead transitions.
[2026-05-24 22:07:07] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 22:07:07] [INFO ] Invariant cache hit.
[2026-05-24 22:07:07] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 43/73 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/73 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 73/73 variables, and 40 constraints, problems are : Problem set: 0 solved, 58 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 43/73 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 58/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/73 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (OVERLAPS) 0/73 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 73/73 variables, and 98 constraints, problems are : Problem set: 0 solved, 58 unsolved in 880 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1422ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1424ms
Starting structural reductions in SI_LTL mode, iteration 1 : 30/30 places, 60/62 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1514 ms. Remains : 30/30 places, 60/62 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((F(p0)&&G(p1))))'
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-14
Product exploration explored 100000 steps with 1090 reset in 230 ms.
Stack based approach found an accepted trace after 71924 steps with 806 reset with depth 153 and stack size 152 in 203 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-14 finished in 2102 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(G(p1))))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 22:07:09] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8828518842993618911.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13147782782345230569.kers'
[2026-05-24 22:07:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8828518842993618911.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13147782782345230569.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 44 rows 30 cols 128 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 22:07:09] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13147782782345230569.kers
Total runtime 0 ms.
[2026-05-24 22:07:09] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-24 22:07:09] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:07:09] [INFO ] Invariant cache hit.
[2026-05-24 22:07:09] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 22:07:09] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-24 22:07:09] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 22:07:09] [INFO ] Invariant cache hit.
[2026-05-24 22:07:09] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 74/74 variables, and 40 constraints, problems are : Problem set: 0 solved, 60 unsolved in 539 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 60/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 74/74 variables, and 100 constraints, problems are : Problem set: 0 solved, 60 unsolved in 964 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1513ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1514ms
Finished structural reductions in LTL mode , in 1 iterations and 1598 ms. Remains : 30/30 places, 62/62 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(G(p1))))'
Stuttering acceptance computed with spot in 151 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : FunctionPointer-PT-a016-LTLFireability-15
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 1 ms.
FORMULA FunctionPointer-PT-a016-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a016-LTLFireability-15 finished in 1784 ms.
All properties solved by simple procedures.
Total runtime 16816 ms.

BK_STOP 1779660430860

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-a016"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-a016, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r146-tall-177961073900028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-a016.tgz
mv FunctionPointer-PT-a016 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;