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.r162-smll-177961107700124.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is IOTPpurchase-PT-C05M04P03D02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700124
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 8.4K Mar 7 17:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 7 17:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 17:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 17:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 11:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 11:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 11:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 11:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Mar 7 17:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 61K Mar 7 17:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 18K Mar 7 17:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 121K Mar 7 17:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 11:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 11:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 13 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rwxr-xr-x 1 mcc users 60K 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 IOTPpurchase-PT-C05M04P03D02-LTLFireability-00
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-01
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-02
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-03
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-04
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-05
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-06
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-07
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-08
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-09
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-10
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-11
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-12
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-13
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-14
FORMULA_NAME IOTPpurchase-PT-C05M04P03D02-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779728928931

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=IOTPpurchase-PT-C05M04P03D02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 17:08:51] [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]
[2026-05-25 17:08:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 17:08:51] [INFO ] Load time of PNML (sax parser for PT used): 116 ms
[2026-05-25 17:08:51] [INFO ] Transformed 111 places.
[2026-05-25 17:08:51] [INFO ] Transformed 45 transitions.
[2026-05-25 17:08:51] [INFO ] Parsed PT model containing 111 places and 45 transitions and 224 arcs in 371 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 50 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 45/45 transitions.
Ensure Unique test removed 22 places
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 86 transition count 45
Applied a total of 25 rules in 29 ms. Remains 86 /111 variables (removed 25) and now considering 45/45 (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-10121892715776379610.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13582881871207946997.kers'
[2026-05-25 17:08:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10121892715776379610.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13582881871207946997.kers]
Culling duplicate invariants (modulo rational): removing 27 columns.
Culled 27 columns in 0 ms.
// Phase 1: matrix 45 rows 59 cols 118 entries
Finished phase 1 with 35 SingleSign rule and 9 generalized
[2026-05-25 17:08:52] [INFO ] Computed 42 invariants in 0 ms
Computed 42 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13582881871207946997.kers
Total runtime 2 ms.
[2026-05-25 17:08:52] [INFO ] Implicit Places using invariants in 407 ms returned [10, 18, 25, 37]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 474 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 82/111 places, 45/45 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 534 ms. Remains : 82/111 places, 45/45 transitions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 45/45 (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-3629301543201748587.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13491834871840110418.kers'
[2026-05-25 17:08:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3629301543201748587.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13491834871840110418.kers]
Culling duplicate invariants (modulo rational): removing 27 columns.
Culled 27 columns in 0 ms.
// Phase 1: matrix 45 rows 55 cols 110 entries
Finished phase 1 with 39 SingleSign rule and 5 generalized
[2026-05-25 17:08:52] [INFO ] Computed 38 invariants in 0 ms
Computed 38 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13491834871840110418.kers
Total runtime 1 ms.
[2026-05-25 17:08:52] [INFO ] Implicit Places using invariants in 145 ms returned []
[2026-05-25 17:08:52] [INFO ] Invariant cache hit.
[2026-05-25 17:08:52] [INFO ] Implicit Places using invariants and state equation in 189 ms returned []
Implicit Place search using SMT with State Equation took 337 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2026-05-25 17:08:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 18/35 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/82 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/127 variables, 82/120 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/127 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 0/127 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 127/127 variables, and 120 constraints, problems are : Problem set: 0 solved, 44 unsolved in 2859 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 82/82 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 18/35 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/82 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/127 variables, 82/120 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/127 variables, 44/164 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/127 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/127 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 127/127 variables, and 164 constraints, problems are : Problem set: 0 solved, 44 unsolved in 2917 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 82/82 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5850ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 5870ms
Finished structural reductions in LTL mode , in 1 iterations and 6249 ms. Remains : 82/82 places, 45/45 transitions.
Support contains 50 out of 82 places after structural reductions.
[2026-05-25 17:08:59] [INFO ] Flatten gal took : 49 ms
[2026-05-25 17:08:59] [INFO ] Flatten gal took : 20 ms
[2026-05-25 17:08:59] [INFO ] Input system was already deterministic with 45 transitions.
RANDOM walk for 1905 steps (0 resets) in 220 ms. (8 steps per ms) remains 0/25 properties
Computed a total of 0 stabilizing places and 0 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' '!((X((!(p0 U !p1)&&F(X(p0))))&&F(p2)))'
Support contains 8 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 11 places
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 67 transition count 45
Applied a total of 15 rules in 6 ms. Remains 67 /82 variables (removed 15) and now considering 45/45 (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-1203032404202408934.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12392926616831204299.kers'
[2026-05-25 17:09:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1203032404202408934.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12392926616831204299.kers]
Culling duplicate invariants (modulo rational): removing 16 columns.
Culled 16 columns in 0 ms.
// Phase 1: matrix 45 rows 51 cols 102 entries
Finished phase 1 with 41 SingleSign rule and 3 generalized
[2026-05-25 17:09:00] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12392926616831204299.kers
Total runtime 0 ms.
[2026-05-25 17:09:00] [INFO ] Implicit Places using invariants in 89 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 90 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/82 places, 45/45 transitions.
Applied a total of 0 rules in 5 ms. Remains 66 /66 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 101 ms. Remains : 66/82 places, 45/45 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!(p0 U !p1)&&F(X(p0))))&&F(p2)))'
Stuttering acceptance computed with spot in 544 ms :[(OR (NOT p1) (NOT p0) (NOT p2)), (NOT p2), (OR (NOT p1) (NOT p0)), true, (NOT p1), (NOT p0)]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-00
Entered a terminal (fully accepting) state of product in 210 steps with 3 reset in 8 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-00 finished in 778 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(F(p0)))||(F(G(p1))&&G(p2))))'
Support contains 4 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 14 places
Discarding 5 places :
Implicit places reduction removed 5 places
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 63 transition count 45
Applied a total of 19 rules in 9 ms. Remains 63 /82 variables (removed 19) and now considering 45/45 (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-4921535432824324935.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11621743825265233637.kers'
[2026-05-25 17:09:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4921535432824324935.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11621743825265233637.kers]
Culling duplicate invariants (modulo rational): removing 13 columns.
Culled 13 columns in 0 ms.
// Phase 1: matrix 45 rows 50 cols 100 entries
Finished phase 1 with 41 SingleSign rule and 3 generalized
[2026-05-25 17:09:00] [INFO ] Computed 19 invariants in 0 ms
Computed 19 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11621743825265233637.kers
Total runtime 1 ms.
[2026-05-25 17:09:00] [INFO ] Implicit Places using invariants in 76 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 78 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 62/82 places, 45/45 transitions.
Applied a total of 0 rules in 6 ms. Remains 62 /62 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 93 ms. Remains : 62/82 places, 45/45 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(F(p0)))||(F(G(p1))&&G(p2))))'
Stuttering acceptance computed with spot in 293 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0), (AND (NOT p1) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-01
Product exploration explored 100000 steps with 17364 reset in 635 ms.
Product exploration explored 100000 steps with 17406 reset in 410 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 12 factoid took 111 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
RANDOM walk for 528 steps (0 resets) in 18 ms. (27 steps per ms) remains 0/8 properties
Knowledge based reduction with 12 factoid took 232 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 246 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Knowledge-based reduction took 639 ms.
Stuttering acceptance computed with spot in 261 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Support contains 4 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 45/45 transitions.
Applied a total of 0 rules in 6 ms. Remains 62 /62 variables (removed 0) and now considering 45/45 (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-7219720277899864539.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11184387866861493086.kers'
[2026-05-25 17:09:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7219720277899864539.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11184387866861493086.kers]
Culling duplicate invariants (modulo rational): removing 13 columns.
Culled 13 columns in 0 ms.
// Phase 1: matrix 45 rows 49 cols 98 entries
Finished phase 1 with 42 SingleSign rule and 2 generalized
[2026-05-25 17:09:03] [INFO ] Computed 18 invariants in 0 ms
Computed 18 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11184387866861493086.kers
Total runtime 1 ms.
[2026-05-25 17:09:03] [INFO ] Implicit Places using invariants in 85 ms returned []
[2026-05-25 17:09:03] [INFO ] Invariant cache hit.
[2026-05-25 17:09:03] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2026-05-25 17:09:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/62 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/107 variables, 62/80 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 0/107 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 107/107 variables, and 80 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1962 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/62 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/107 variables, 62/80 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 44/124 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/107 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/107 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 107/107 variables, and 124 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1604 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3582ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3584ms
Finished structural reductions in LTL mode , in 1 iterations and 3781 ms. Remains : 62/62 places, 45/45 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 7 factoid took 83 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
RANDOM walk for 457 steps (0 resets) in 17 ms. (25 steps per ms) remains 0/8 properties
Knowledge based reduction with 7 factoid took 193 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Knowledge-based reduction took 542 ms.
Stuttering acceptance computed with spot in 249 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Stuttering acceptance computed with spot in 260 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Product exploration explored 100000 steps with 17404 reset in 123 ms.
Product exploration explored 100000 steps with 17480 reset in 230 ms.
Spot run failed in 102 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/ltsmin127479833911542228
[2026-05-25 17:09:08] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin127479833911542228
Running compilation step : cd /tmp/ltsmin127479833911542228;'/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 496 ms.
Running link step : cd /tmp/ltsmin127479833911542228;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 94 ms.
Running LTSmin : cd /tmp/ltsmin127479833911542228;'/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/stateBased17742517090183892038.hoa' '--buchi-type=spotba'
LTSmin run took 79 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-01 finished in 8449 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 (F(p2)&&p1)))'
Support contains 5 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 14 places
Discarding 5 places :
Implicit places reduction removed 5 places
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 63 transition count 45
Applied a total of 19 rules in 6 ms. Remains 63 /82 variables (removed 19) and now considering 45/45 (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-6850282591203488945.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13782968815031582479.kers'
[2026-05-25 17:09:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6850282591203488945.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13782968815031582479.kers]
Culling duplicate invariants (modulo rational): removing 13 columns.
Culled 13 columns in 0 ms.
// Phase 1: matrix 45 rows 50 cols 100 entries
Finished phase 1 with 41 SingleSign rule and 3 generalized
[2026-05-25 17:09:09] [INFO ] Computed 19 invariants in 0 ms
Computed 19 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13782968815031582479.kers
Total runtime 0 ms.
[2026-05-25 17:09:09] [INFO ] Implicit Places using invariants in 86 ms returned []
[2026-05-25 17:09:09] [INFO ] Invariant cache hit.
[2026-05-25 17:09:09] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2026-05-25 17:09:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/108 variables, 63/82 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 0/108 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 108/108 variables, and 82 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1882 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/108 variables, 63/82 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 44/126 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/108 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 108/108 variables, and 126 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1733 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3628ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3630ms
Starting structural reductions in LTL mode, iteration 1 : 63/82 places, 45/45 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3837 ms. Remains : 63/82 places, 45/45 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 (F(p2)&&p1)))'
Stuttering acceptance computed with spot in 153 ms :[(OR (NOT p2) (NOT p1)), (NOT p0), (NOT p2), true]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-02 finished in 4027 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0))&&(X(!p1) U ((!p2&&X(!p1))||X(G(!p1)))))))'
Support contains 6 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 14 places
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 17 rules applied. Total rules applied 17 place count 65 transition count 45
Applied a total of 17 rules in 6 ms. Remains 65 /82 variables (removed 17) and now considering 45/45 (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-10841304209050292748.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6134278191709102624.kers'
[2026-05-25 17:09:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10841304209050292748.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6134278191709102624.kers]
Culling duplicate invariants (modulo rational): removing 13 columns.
Culled 13 columns in 0 ms.
// Phase 1: matrix 45 rows 52 cols 104 entries
Finished phase 1 with 40 SingleSign rule and 4 generalized
[2026-05-25 17:09:13] [INFO ] Computed 21 invariants in 0 ms
Computed 21 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6134278191709102624.kers
Total runtime 1 ms.
[2026-05-25 17:09:13] [INFO ] Implicit Places using invariants in 103 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 124 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/82 places, 45/45 transitions.
Applied a total of 0 rules in 3 ms. Remains 64 /64 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 134 ms. Remains : 64/82 places, 45/45 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(p0))&&(X(!p1) U ((!p2&&X(!p1))||X(G(!p1)))))))'
Stuttering acceptance computed with spot in 337 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1, p1, (NOT p0), true]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-04
Entered a terminal (fully accepting) state of product in 19 steps with 4 reset in 0 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-04 finished in 528 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)||G(p1))))'
Support contains 6 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 11 places
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 67 transition count 45
Applied a total of 15 rules in 5 ms. Remains 67 /82 variables (removed 15) and now considering 45/45 (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-14352602205017824803.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5632856003396591686.kers'
[2026-05-25 17:09:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14352602205017824803.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5632856003396591686.kers]
Culling duplicate invariants (modulo rational): removing 16 columns.
Culled 16 columns in 0 ms.
// Phase 1: matrix 45 rows 51 cols 102 entries
Finished phase 1 with 42 SingleSign rule and 2 generalized
[2026-05-25 17:09:13] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5632856003396591686.kers
Total runtime 1 ms.
[2026-05-25 17:09:13] [INFO ] Implicit Places using invariants in 79 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 81 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/82 places, 45/45 transitions.
Applied a total of 0 rules in 5 ms. Remains 66 /66 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 91 ms. Remains : 66/82 places, 45/45 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)||G(p1))))'
Stuttering acceptance computed with spot in 216 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-05
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 0 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-05 finished in 341 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||G(p1))))'
Support contains 3 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 14 places
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 64 transition count 39
Reduce places removed 10 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 18 rules applied. Total rules applied 28 place count 54 transition count 31
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 36 place count 46 transition count 31
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 11 Pre rules applied. Total rules applied 36 place count 46 transition count 20
Deduced a syphon composed of 11 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 62 place count 31 transition count 20
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 62 place count 31 transition count 17
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 68 place count 28 transition count 17
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 19 rules applied. Total rules applied 87 place count 16 transition count 10
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 88 place count 15 transition count 10
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 88 place count 15 transition count 8
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 5 rules applied. Total rules applied 93 place count 12 transition count 8
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 4 with 1 rules applied. Total rules applied 94 place count 12 transition count 7
Reduce places removed 2 places and 0 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 5 with 3 rules applied. Total rules applied 97 place count 10 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 98 place count 9 transition count 6
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 100 place count 8 transition count 5
Applied a total of 100 rules in 36 ms. Remains 8 /82 variables (removed 74) and now considering 5/45 (removed 40) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9239077293255454582.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16031680203399414750.kers'
[2026-05-25 17:09:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9239077293255454582.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16031680203399414750.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 5 rows 6 cols 12 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-25 17:09:14] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16031680203399414750.kers
Total runtime 0 ms.
[2026-05-25 17:09:14] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:09:14] [INFO ] Invariant cache hit.
[2026-05-25 17:09:14] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2026-05-25 17:09:14] [INFO ] Redundant transitions in 1 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-25 17:09:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/13 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/13 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 16 constraints, problems are : Problem set: 0 solved, 4 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 222ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 223ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/82 places, 5/45 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 340 ms. Remains : 8/82 places, 5/45 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)||p1)))'
Stuttering acceptance computed with spot in 55 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-06
Product exploration explored 100000 steps with 15735 reset in 180 ms.
Product exploration explored 100000 steps with 15847 reset in 326 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 9 factoid took 75 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
RANDOM walk for 40000 steps (8 resets) in 356 ms. (112 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 286 ms. (139 steps per ms) remains 1/1 properties
[2026-05-25 17:09:15] [INFO ] Invariant cache hit.
Problem apf1 is UNSAT
After SMT solving in domain Real declared 3/13 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 23 ms.
Refiners :[Positive P Invariants (semi-flows): 0/4 constraints, State Equation: 0/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 10 factoid took 117 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 ms :[(NOT p1)]
[2026-05-25 17:09:15] [INFO ] Invariant cache hit.
[2026-05-25 17:09:15] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-25 17:09:15] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 17:09:15] [INFO ] Computed and/alt/rep : 4/5/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 17:09:15] [INFO ] Added : 1 causal constraints over 1 iterations in 14 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 544 ms.
Stuttering acceptance computed with spot in 48 ms :[(NOT p1)]
Support contains 2 out of 8 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2026-05-25 17:09:15] [INFO ] Invariant cache hit.
[2026-05-25 17:09:15] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:09:15] [INFO ] Invariant cache hit.
[2026-05-25 17:09:15] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2026-05-25 17:09:15] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 92 ms. Remains : 8/8 places, 5/5 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 60 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 48 steps (0 resets) in 5 ms. (8 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 70 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[(NOT p1)]
[2026-05-25 17:09:15] [INFO ] Invariant cache hit.
[2026-05-25 17:09:15] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-25 17:09:15] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 17:09:15] [INFO ] Computed and/alt/rep : 4/5/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 17:09:15] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 227 ms.
Stuttering acceptance computed with spot in 44 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 48 ms :[(NOT p1)]
Product exploration explored 100000 steps with 15769 reset in 175 ms.
Product exploration explored 100000 steps with 15757 reset in 322 ms.
Built C files in :
/tmp/ltsmin8258220950633887528
[2026-05-25 17:09:16] [INFO ] Computing symmetric may disable matrix : 5 transitions.
[2026-05-25 17:09:16] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 17:09:16] [INFO ] Computing symmetric may enable matrix : 5 transitions.
[2026-05-25 17:09:16] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 17:09:16] [INFO ] Computing Do-Not-Accords matrix : 5 transitions.
[2026-05-25 17:09:16] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 17:09:16] [INFO ] Built C files in 14ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8258220950633887528
Running compilation step : cd /tmp/ltsmin8258220950633887528;'/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 139 ms.
Running link step : cd /tmp/ltsmin8258220950633887528;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin8258220950633887528;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased11848225459085800532.hoa' '--buchi-type=spotba'
LTSmin run took 23 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-06 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-06 finished in 2706 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((X(p0) U p1)&&!p0))))'
Support contains 3 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 14 places
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 64 transition count 45
Applied a total of 18 rules in 6 ms. Remains 64 /82 variables (removed 18) and now considering 45/45 (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-849452798909384480.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16483290864781451905.kers'
[2026-05-25 17:09:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-849452798909384480.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16483290864781451905.kers]
Culling duplicate invariants (modulo rational): removing 13 columns.
Culled 13 columns in 0 ms.
// Phase 1: matrix 45 rows 51 cols 102 entries
Finished phase 1 with 41 SingleSign rule and 3 generalized
[2026-05-25 17:09:16] [INFO ] Computed 20 invariants in 0 ms
Computed 20 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16483290864781451905.kers
Total runtime 0 ms.
[2026-05-25 17:09:16] [INFO ] Implicit Places using invariants in 92 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 93 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/82 places, 45/45 transitions.
Applied a total of 0 rules in 5 ms. Remains 63 /63 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 104 ms. Remains : 63/82 places, 45/45 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(p0) U p1)&&!p0))))'
Stuttering acceptance computed with spot in 187 ms :[(OR (NOT p1) p0), (OR (NOT p0) (NOT p1)), (OR (NOT p1) p0), (OR (NOT p1) p0), true]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-08 finished in 328 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 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 14 places
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 64 transition count 36
Reduce places removed 15 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 27 rules applied. Total rules applied 40 place count 49 transition count 24
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 52 place count 37 transition count 24
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 52 place count 37 transition count 16
Deduced a syphon composed of 8 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 19 rules applied. Total rules applied 71 place count 26 transition count 16
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 71 place count 26 transition count 14
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 75 place count 24 transition count 14
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 89 place count 16 transition count 8
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 90 place count 15 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 90 place count 15 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 3 rules applied. Total rules applied 93 place count 13 transition count 7
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 4 with 1 rules applied. Total rules applied 94 place count 13 transition count 6
Reduce places removed 2 places and 0 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 5 with 3 rules applied. Total rules applied 97 place count 11 transition count 5
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 99 place count 9 transition count 5
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 99 place count 9 transition count 4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 101 place count 8 transition count 4
Applied a total of 101 rules in 11 ms. Remains 8 /82 variables (removed 74) and now considering 4/45 (removed 41) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5639147274602301988.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10296670676705295845.kers'
[2026-05-25 17:09:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5639147274602301988.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10296670676705295845.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 2 SingleSign rule and 1 generalized
[2026-05-25 17:09:17] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10296670676705295845.kers
Total runtime 1 ms.
[2026-05-25 17:09:17] [INFO ] Implicit Places using invariants in 31 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/82 places, 4/45 transitions.
Applied a total of 0 rules in 4 ms. Remains 7 /7 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 48 ms. Remains : 7/82 places, 4/45 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-09
Product exploration explored 100000 steps with 18586 reset in 107 ms.
Product exploration explored 100000 steps with 18613 reset in 438 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 55 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 13 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17028118540045192023.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12347631127124620666.kers'
[2026-05-25 17:09:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17028118540045192023.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12347631127124620666.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 1 SingleSign rule and 2 generalized
[2026-05-25 17:09:18] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12347631127124620666.kers
Total runtime 0 ms.
[2026-05-25 17:09:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 17:09:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 17:09:18] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 17:09:18] [INFO ] Computed and/alt/rep : 3/4/3 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 17:09:18] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 273 ms.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 17:09:18] [INFO ] Invariant cache hit.
[2026-05-25 17:09:18] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 17:09:18] [INFO ] Invariant cache hit.
[2026-05-25 17:09:18] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2026-05-25 17:09:18] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2026-05-25 17:09:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 4/11 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/11 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/11 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 11/11 variables, and 11 constraints, problems are : Problem set: 0 solved, 3 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 4/11 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/11 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/11 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/11 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 11/11 variables, and 14 constraints, problems are : Problem set: 0 solved, 3 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 144ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 144ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 206 ms. Remains : 7/7 places, 4/4 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 47 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 17 steps (0 resets) in 5 ms. (2 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 52 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
[2026-05-25 17:09:18] [INFO ] Invariant cache hit.
[2026-05-25 17:09:18] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 17:09:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 17:09:18] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 17:09:18] [INFO ] Computed and/alt/rep : 3/4/3 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 17:09:18] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 204 ms.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 18742 reset in 101 ms.
Product exploration explored 100000 steps with 18531 reset in 119 ms.
Built C files in :
/tmp/ltsmin12129376324986937763
[2026-05-25 17:09:19] [INFO ] Computing symmetric may disable matrix : 4 transitions.
[2026-05-25 17:09:19] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 17:09:19] [INFO ] Computing symmetric may enable matrix : 4 transitions.
[2026-05-25 17:09:19] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 17:09:19] [INFO ] Computing Do-Not-Accords matrix : 4 transitions.
[2026-05-25 17:09:19] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 17:09:19] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12129376324986937763
Running compilation step : cd /tmp/ltsmin12129376324986937763;'/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 99 ms.
Running link step : cd /tmp/ltsmin12129376324986937763;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 46 ms.
Running LTSmin : cd /tmp/ltsmin12129376324986937763;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased13099072558302616054.hoa' '--buchi-type=spotba'
LTSmin run took 27 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-09 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-09 finished in 2054 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (p1||F(G(p0))))&&(X(!p2) U (!p2 U X(p3)))))'
Support contains 11 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 11 places
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 68 transition count 45
Applied a total of 14 rules in 3 ms. Remains 68 /82 variables (removed 14) and now considering 45/45 (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-11843860883514490989.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14594556661252630253.kers'
[2026-05-25 17:09:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11843860883514490989.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14594556661252630253.kers]
Culling duplicate invariants (modulo rational): removing 16 columns.
Culled 16 columns in 0 ms.
// Phase 1: matrix 45 rows 52 cols 104 entries
Finished phase 1 with 41 SingleSign rule and 3 generalized
[2026-05-25 17:09:19] [INFO ] Computed 24 invariants in 0 ms
Computed 24 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14594556661252630253.kers
Total runtime 1 ms.
[2026-05-25 17:09:19] [INFO ] Implicit Places using invariants in 100 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 101 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 67/82 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 67 /67 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 106 ms. Remains : 67/82 places, 45/45 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (p1||F(G(p0))))&&(X(!p2) U (!p2 U X(p3)))))'
Stuttering acceptance computed with spot in 371 ms :[(OR (NOT p3) (AND (NOT p0) (NOT p1))), (NOT p0), false, (NOT p3), (AND p2 (NOT p3)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p3)), true]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-10 finished in 549 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((X(p0)||F((p1||X(X(X(X(F(p2))))))))))'
Support contains 10 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 9 places
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 69 transition count 45
Applied a total of 13 rules in 2 ms. Remains 69 /82 variables (removed 13) and now considering 45/45 (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-3983254588328002091.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9461916562728403970.kers'
[2026-05-25 17:09:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3983254588328002091.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9461916562728403970.kers]
Culling duplicate invariants (modulo rational): removing 18 columns.
Culled 18 columns in 0 ms.
// Phase 1: matrix 45 rows 51 cols 102 entries
Finished phase 1 with 40 SingleSign rule and 4 generalized
[2026-05-25 17:09:19] [INFO ] Computed 25 invariants in 0 ms
Computed 25 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9461916562728403970.kers
Total runtime 0 ms.
[2026-05-25 17:09:19] [INFO ] Implicit Places using invariants in 104 ms returned [17]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 105 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/82 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 109 ms. Remains : 68/82 places, 45/45 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(p0)||F((p1||X(X(X(X(F(p2))))))))))'
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-11
Product exploration explored 100000 steps with 7377 reset in 214 ms.
Product exploration explored 100000 steps with 7370 reset in 248 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 5 factoid took 87 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
RANDOM walk for 247 steps (0 resets) in 10 ms. (22 steps per ms) remains 0/5 properties
Knowledge based reduction with 5 factoid took 201 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 234 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1650481795020100967.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17723468351912340731.kers'
[2026-05-25 17:09:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1650481795020100967.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17723468351912340731.kers]
Culling duplicate invariants (modulo rational): removing 18 columns.
Culled 18 columns in 0 ms.
// Phase 1: matrix 45 rows 50 cols 100 entries
Finished phase 1 with 41 SingleSign rule and 3 generalized
[2026-05-25 17:09:21] [INFO ] Computed 24 invariants in 0 ms
Computed 24 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17723468351912340731.kers
Total runtime 1 ms.
[2026-05-25 17:09:21] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 17:09:21] [INFO ] [Real]Absence check using 15 positive and 9 generalized place invariants in 9 ms returned sat
[2026-05-25 17:09:21] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-25 17:09:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 17:09:21] [INFO ] [Nat]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 17:09:21] [INFO ] [Nat]Absence check using 15 positive and 9 generalized place invariants in 7 ms returned sat
[2026-05-25 17:09:21] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 17:09:21] [INFO ] Computed and/alt/rep : 44/51/44 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 17:09:21] [INFO ] Added : 43 causal constraints over 9 iterations in 127 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p0) (NOT p2))
Knowledge-based reduction took 1010 ms.
Stuttering acceptance computed with spot in 229 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 10 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2026-05-25 17:09:21] [INFO ] Invariant cache hit.
[2026-05-25 17:09:21] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-25 17:09:21] [INFO ] Invariant cache hit.
[2026-05-25 17:09:22] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2026-05-25 17:09:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/68 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/113 variables, 68/92 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 0/113 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 113/113 variables, and 92 constraints, problems are : Problem set: 0 solved, 44 unsolved in 2067 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 68/68 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/68 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/113 variables, 68/92 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 44/136 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/113 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/113 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 113/113 variables, and 136 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1953 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 68/68 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4031ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 4032ms
Finished structural reductions in LTL mode , in 1 iterations and 4249 ms. Remains : 68/68 places, 45/45 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 5 factoid took 88 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
RANDOM walk for 270 steps (0 resets) in 6 ms. (38 steps per ms) remains 0/5 properties
Knowledge based reduction with 5 factoid took 203 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 251 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
[2026-05-25 17:09:26] [INFO ] Invariant cache hit.
[2026-05-25 17:09:26] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 17:09:26] [INFO ] [Real]Absence check using 15 positive and 9 generalized place invariants in 9 ms returned sat
[2026-05-25 17:09:26] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 17:09:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 17:09:26] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 17:09:26] [INFO ] [Nat]Absence check using 15 positive and 9 generalized place invariants in 7 ms returned sat
[2026-05-25 17:09:27] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-25 17:09:27] [INFO ] Computed and/alt/rep : 44/51/44 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 17:09:27] [INFO ] Added : 43 causal constraints over 9 iterations in 122 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p0) (NOT p2))
Knowledge-based reduction took 996 ms.
Stuttering acceptance computed with spot in 234 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 236 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 7332 reset in 211 ms.
Product exploration explored 100000 steps with 7391 reset in 243 ms.
Spot run failed in 82 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/ltsmin6347764273310685095
[2026-05-25 17:09:28] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6347764273310685095
Running compilation step : cd /tmp/ltsmin6347764273310685095;'/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 253 ms.
Running link step : cd /tmp/ltsmin6347764273310685095;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin6347764273310685095;'/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/stateBased4037300362060071228.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 10 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 68 /68 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2026-05-25 17:09:43] [INFO ] Invariant cache hit.
[2026-05-25 17:09:43] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-05-25 17:09:43] [INFO ] Invariant cache hit.
[2026-05-25 17:09:43] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 214 ms. Remains : 68/68 places, 45/45 transitions.
Built C files in :
/tmp/ltsmin3131908754262994788
[2026-05-25 17:09:43] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3131908754262994788
Running compilation step : cd /tmp/ltsmin3131908754262994788;'/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 244 ms.
Running link step : cd /tmp/ltsmin3131908754262994788;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin3131908754262994788;'/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/stateBased451270323114366920.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-25 17:09:58] [INFO ] Flatten gal took : 6 ms
[2026-05-25 17:09:58] [INFO ] Flatten gal took : 6 ms
[2026-05-25 17:09:58] [INFO ] Time to serialize gal into /tmp/LTL16028271292522808592.gal : 3 ms
[2026-05-25 17:09:58] [INFO ] Time to serialize properties into /tmp/LTL4771537819924406533.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16028271292522808592.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5907650645544149957.hoa' '-atoms' '/tmp/LTL4771537819924406533.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL4771537819924406533.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5907650645544149957.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
5 unique states visited
0 strongly connected components in search stack
5 transitions explored
5 items max in DFS search stack
257 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,2.60918,75196,1,0,247,379926,34,2,1661,317261,619
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-11 finished in 41701 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 U p1))))'
Support contains 7 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 14 places
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 64 transition count 37
Reduce places removed 13 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 23 rules applied. Total rules applied 35 place count 51 transition count 27
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 45 place count 41 transition count 27
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 45 place count 41 transition count 20
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 61 place count 32 transition count 20
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 61 place count 32 transition count 19
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 63 place count 31 transition count 19
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 15 rules applied. Total rules applied 78 place count 22 transition count 13
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 80 place count 21 transition count 12
Applied a total of 80 rules in 7 ms. Remains 21 /82 variables (removed 61) and now considering 12/45 (removed 33) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11301607435751561170.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-146953557231677491.kers'
[2026-05-25 17:10:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11301607435751561170.kers, --Pflows, --basisKERS=/tmp/petrispot-output-146953557231677491.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 12 rows 17 cols 34 entries
Finished phase 1 with 9 SingleSign rule and 2 generalized
[2026-05-25 17:10:01] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-146953557231677491.kers
Total runtime 1 ms.
[2026-05-25 17:10:01] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 17:10:01] [INFO ] Invariant cache hit.
[2026-05-25 17:10:01] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2026-05-25 17:10:01] [INFO ] Redundant transitions in 0 ms returned []
Running 11 sub problems to find dead transitions.
[2026-05-25 17:10:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 1/21 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 12/33 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/33 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 0/33 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 33/33 variables, and 31 constraints, problems are : Problem set: 0 solved, 11 unsolved in 224 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 1/21 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 12/33 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/33 variables, 11/42 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 0/33 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 33/33 variables, and 42 constraints, problems are : Problem set: 0 solved, 11 unsolved in 368 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 595ms problems are : Problem set: 0 solved, 11 unsolved
Search for dead transitions found 0 dead transitions in 596ms
Starting structural reductions in SI_LTL mode, iteration 1 : 21/82 places, 12/45 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 686 ms. Remains : 21/82 places, 12/45 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 U p1))))'
Stuttering acceptance computed with spot in 103 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-13
Product exploration explored 100000 steps with 5863 reset in 250 ms.
Stack based approach found an accepted trace after 110 steps with 5 reset with depth 31 and stack size 31 in 1 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-13 finished in 1073 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 45/45 transitions.
Ensure Unique test removed 14 places
Discarding 5 places :
Implicit places reduction removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 63 transition count 36
Reduce places removed 15 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 27 rules applied. Total rules applied 41 place count 48 transition count 24
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 53 place count 36 transition count 24
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 53 place count 36 transition count 16
Deduced a syphon composed of 8 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 19 rules applied. Total rules applied 72 place count 25 transition count 16
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 72 place count 25 transition count 14
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 76 place count 23 transition count 14
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 92 place count 13 transition count 8
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 93 place count 12 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 93 place count 12 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 3 rules applied. Total rules applied 96 place count 10 transition count 7
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 4 with 1 rules applied. Total rules applied 97 place count 10 transition count 6
Reduce places removed 2 places and 0 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 5 with 3 rules applied. Total rules applied 100 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 101 place count 7 transition count 5
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 5 rules applied. Total rules applied 106 place count 4 transition count 3
Applied a total of 106 rules in 8 ms. Remains 4 /82 variables (removed 78) and now considering 3/45 (removed 42) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17887112922760523223.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4605786683904035323.kers'
[2026-05-25 17:10:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17887112922760523223.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4605786683904035323.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 3 rows 2 cols 4 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-25 17:10:02] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4605786683904035323.kers
Total runtime 0 ms.
[2026-05-25 17:10:02] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 17:10:02] [INFO ] Invariant cache hit.
[2026-05-25 17:10:02] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2026-05-25 17:10:02] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-25 17:10:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 123ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 125ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/82 places, 3/45 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 193 ms. Remains : 4/82 places, 3/45 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 45 ms :[(NOT p0)]
Running random walk in product with property : IOTPpurchase-PT-C05M04P03D02-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 101 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 0 ms.
FORMULA IOTPpurchase-PT-C05M04P03D02-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property IOTPpurchase-PT-C05M04P03D02-LTLFireability-15 finished in 369 ms.
All properties solved by simple procedures.
Total runtime 71500 ms.

BK_STOP 1779729002989

--------------------
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="IOTPpurchase-PT-C05M04P03D02"
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 IOTPpurchase-PT-C05M04P03D02, 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 r162-smll-177961107700124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/IOTPpurchase-PT-C05M04P03D02.tgz
mv IOTPpurchase-PT-C05M04P03D02 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 ;