Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590300692.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is UtilityControlRoom-COL-Z2T4N08, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590300692
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 8.4K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:33 equiv_pt
-rw-r--r-- 1 mcc users 8 May 29 14:33 instance
-rw-r--r-- 1 mcc users 5 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 29K May 29 14:33 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 UtilityControlRoom-COL-Z2T4N08-LTLFireability-00
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-01
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-02
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-03
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-04
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-05
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-06
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-07
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-08
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-09
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-10
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-11
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-12
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-13
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-14
FORMULA_NAME UtilityControlRoom-COL-Z2T4N08-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749264885400

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=UtilityControlRoom-COL-Z2T4N08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-06-07 02:54:46] [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]
[2025-06-07 02:54:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 02:54:46] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-07 02:54:47] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-07 02:54:47] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 636 ms
[2025-06-07 02:54:47] [INFO ] Imported 13 HL places and 12 HL transitions for a total of 140 PT places and 216.0 transition bindings in 21 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2025-06-07 02:54:47] [INFO ] Built PT skeleton of HLPN with 13 places and 12 transitions 37 arcs in 6 ms.
[2025-06-07 02:54:47] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 3 formulas.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 10 properties that can be checked using skeleton over-approximation.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Reduction of identical properties reduced properties to check from 12 to 11
RANDOM walk for 16183 steps (4 resets) in 289 ms. (55 steps per ms) remains 0/11 properties
[2025-06-07 02:54:48] [INFO ] Flatten gal took : 14 ms
[2025-06-07 02:54:48] [INFO ] Flatten gal took : 2 ms
Transition timeout forces synchronizations/join behavior on parameter c of sort Cli
Domain [Cli(8), Z(2), Z(2)] of place MovetoZ breaks symmetries in sort Z
[2025-06-07 02:54:48] [INFO ] Unfolded HLPN to a Petri net with 140 places and 216 transitions 680 arcs in 17 ms.
[2025-06-07 02:54:48] [INFO ] Unfolded 13 HLPN properties in 0 ms.
[2025-06-07 02:54:48] [INFO ] Reduced 8 identical enabling conditions.
[2025-06-07 02:54:48] [INFO ] Reduced 8 identical enabling conditions.
[2025-06-07 02:54:48] [INFO ] Reduced 8 identical enabling conditions.
[2025-06-07 02:54:48] [INFO ] Reduced 8 identical enabling conditions.
Ensure Unique test removed 32 transitions
Reduce redundant transitions removed 32 transitions.
Support contains 123 out of 140 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 184/184 transitions.
Applied a total of 0 rules in 6 ms. Remains 140 /140 variables (removed 0) and now considering 184/184 (removed 0) transitions.
// Phase 1: matrix 184 rows 140 cols
[2025-06-07 02:54:48] [INFO ] Computed 19 invariants in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:54:48] [INFO ] Implicit Places using invariants in 254 ms returned [99]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 293 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 139/140 places, 184/184 transitions.
Applied a total of 0 rules in 2 ms. Remains 139 /139 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 310 ms. Remains : 139/140 places, 184/184 transitions.
Support contains 123 out of 139 places after structural reductions.
[2025-06-07 02:54:48] [INFO ] Flatten gal took : 20 ms
[2025-06-07 02:54:48] [INFO ] Flatten gal took : 22 ms
[2025-06-07 02:54:48] [INFO ] Input system was already deterministic with 184 transitions.
Reduction of identical properties reduced properties to check from 15 to 13
RANDOM walk for 9484 steps (1 resets) in 310 ms. (30 steps per ms) remains 0/13 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_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 16 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 139 transition count 152
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 80 place count 107 transition count 136
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 80 place count 107 transition count 120
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 112 place count 91 transition count 120
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 113 place count 90 transition count 104
Iterating global reduction 2 with 1 rules applied. Total rules applied 114 place count 90 transition count 104
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 122 place count 82 transition count 96
Iterating global reduction 2 with 8 rules applied. Total rules applied 130 place count 82 transition count 96
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 138 place count 74 transition count 80
Iterating global reduction 2 with 8 rules applied. Total rules applied 146 place count 74 transition count 80
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 154 place count 66 transition count 72
Iterating global reduction 2 with 8 rules applied. Total rules applied 162 place count 66 transition count 72
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 170 place count 66 transition count 64
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 170 place count 66 transition count 56
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 186 place count 58 transition count 56
Applied a total of 186 rules in 43 ms. Remains 58 /139 variables (removed 81) and now considering 56/184 (removed 128) transitions.
// Phase 1: matrix 56 rows 58 cols
[2025-06-07 02:54:49] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:54:49] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-07 02:54:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:54:49] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 02:54:49] [INFO ] Redundant transitions in 1 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-07 02:54:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 8/58 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 56/114 variables, 58/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 76 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1310 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 8/58 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 56/114 variables, 58/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 48/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/114 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 124 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1114 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2478ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 2489ms
Starting structural reductions in SI_LTL mode, iteration 1 : 58/139 places, 56/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2694 ms. Remains : 58/139 places, 56/184 transitions.
Stuttering acceptance computed with spot in 265 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-00
Product exploration explored 100000 steps with 8985 reset in 311 ms.
Product exploration explored 100000 steps with 9023 reset in 247 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 4 factoid took 118 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 52 steps (0 resets) in 8 ms. (5 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p1), (F p0)]
Knowledge based reduction with 4 factoid took 195 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 133 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2025-06-07 02:54:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:54:53] [INFO ] [Real]Absence check using 18 positive place invariants in 4 ms returned sat
[2025-06-07 02:54:53] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-07 02:54:53] [INFO ] Computed and/alt/rep : 48/72/48 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 02:54:53] [INFO ] Added : 0 causal constraints over 0 iterations in 15 ms. Result :sat
Could not prove EG (NOT p0)
[2025-06-07 02:54:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:54:53] [INFO ] [Real]Absence check using 18 positive place invariants in 3 ms returned sat
[2025-06-07 02:54:53] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-07 02:54:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:54:53] [INFO ] [Nat]Absence check using 18 positive place invariants in 5 ms returned sat
[2025-06-07 02:54:53] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-07 02:54:53] [INFO ] Computed and/alt/rep : 48/72/48 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 02:54:53] [INFO ] Added : 11 causal constraints over 3 iterations in 32 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 16 out of 58 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 58/58 places, 56/56 transitions.
Applied a total of 0 rules in 3 ms. Remains 58 /58 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2025-06-07 02:54:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:54:53] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-07 02:54:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:54:53] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 02:54:53] [INFO ] Redundant transitions in 0 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-07 02:54:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 8/58 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 56/114 variables, 58/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 76 constraints, problems are : Problem set: 0 solved, 48 unsolved in 923 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 8/58 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 56/114 variables, 58/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 48/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/114 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 124 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1065 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2003ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 2003ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2124 ms. Remains : 58/58 places, 56/56 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 4 factoid took 138 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 98 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 56 steps (0 resets) in 6 ms. (8 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p1), (F p0)]
Knowledge based reduction with 4 factoid took 195 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 104 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2025-06-07 02:54:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:54:56] [INFO ] [Real]Absence check using 18 positive place invariants in 8 ms returned sat
[2025-06-07 02:54:56] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-07 02:54:56] [INFO ] Computed and/alt/rep : 48/72/48 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 02:54:56] [INFO ] Added : 0 causal constraints over 0 iterations in 12 ms. Result :sat
Could not prove EG (NOT p0)
[2025-06-07 02:54:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:54:56] [INFO ] [Real]Absence check using 18 positive place invariants in 3 ms returned sat
[2025-06-07 02:54:56] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-07 02:54:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:54:56] [INFO ] [Nat]Absence check using 18 positive place invariants in 4 ms returned sat
[2025-06-07 02:54:56] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-07 02:54:56] [INFO ] Computed and/alt/rep : 48/72/48 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 02:54:56] [INFO ] Added : 11 causal constraints over 3 iterations in 18 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 8973 reset in 174 ms.
Product exploration explored 100000 steps with 8889 reset in 184 ms.
Built C files in :
/tmp/ltsmin13307279467208511525
[2025-06-07 02:54:57] [INFO ] Computing symmetric may disable matrix : 56 transitions.
[2025-06-07 02:54:57] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:54:57] [INFO ] Computing symmetric may enable matrix : 56 transitions.
[2025-06-07 02:54:57] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:54:57] [INFO ] Computing Do-Not-Accords matrix : 56 transitions.
[2025-06-07 02:54:57] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:54:57] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13307279467208511525
Running compilation step : cd /tmp/ltsmin13307279467208511525;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 286 ms.
Running link step : cd /tmp/ltsmin13307279467208511525;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin13307279467208511525;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased8818809886702226940.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 16 out of 58 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 58/58 places, 56/56 transitions.
Applied a total of 0 rules in 6 ms. Remains 58 /58 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2025-06-07 02:55:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:55:12] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-07 02:55:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:55:12] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 02:55:12] [INFO ] Redundant transitions in 0 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-07 02:55:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 8/58 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 56/114 variables, 58/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 76 constraints, problems are : Problem set: 0 solved, 48 unsolved in 894 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 8/58 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 56/114 variables, 58/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 48/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/114 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 124 constraints, problems are : Problem set: 0 solved, 48 unsolved in 989 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1891ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 1892ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2009 ms. Remains : 58/58 places, 56/56 transitions.
Built C files in :
/tmp/ltsmin18144214320788710117
[2025-06-07 02:55:14] [INFO ] Computing symmetric may disable matrix : 56 transitions.
[2025-06-07 02:55:14] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:55:14] [INFO ] Computing symmetric may enable matrix : 56 transitions.
[2025-06-07 02:55:14] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:55:14] [INFO ] Computing Do-Not-Accords matrix : 56 transitions.
[2025-06-07 02:55:14] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:55:14] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18144214320788710117
Running compilation step : cd /tmp/ltsmin18144214320788710117;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 145 ms.
Running link step : cd /tmp/ltsmin18144214320788710117;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin18144214320788710117;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased16169723493176022740.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-07 02:55:29] [INFO ] Flatten gal took : 4 ms
[2025-06-07 02:55:29] [INFO ] Flatten gal took : 2 ms
[2025-06-07 02:55:29] [INFO ] Time to serialize gal into /tmp/LTL17992521554028476025.gal : 1 ms
[2025-06-07 02:55:29] [INFO ] Time to serialize properties into /tmp/LTL17837186073995136374.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17992521554028476025.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5139727784340786023.hoa' '-atoms' '/tmp/LTL17837186073995136374.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL17837186073995136374.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5139727784340786023.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
3 unique states visited
0 strongly connected components in search stack
3 transitions explored
2 items max in DFS search stack
25 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,0,0.281337,27052,1,0,112,72648,33,2,1429,45730,288
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-00 finished in 40841 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X((G(p1) U p2))||p0) U (p3 U X(p3)))))'
Support contains 35 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Applied a total of 32 rules in 13 ms. Remains 123 /139 variables (removed 16) and now considering 168/184 (removed 16) transitions.
// Phase 1: matrix 168 rows 123 cols
[2025-06-07 02:55:30] [INFO ] Computed 18 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:55:30] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-07 02:55:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:55:30] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:55:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5733 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8625 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14395ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14397ms
Starting structural reductions in LTL mode, iteration 1 : 123/139 places, 168/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14552 ms. Remains : 123/139 places, 168/184 transitions.
Stuttering acceptance computed with spot in 404 ms :[(NOT p3), (NOT p3), (NOT p3), (AND (NOT p2) (NOT p3)), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND p0 (NOT p2) (NOT p3))), true, (NOT p1), (NOT p2), (NOT p3), (AND (NOT p1) (NOT p3) p2)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-01
Product exploration explored 100000 steps with 33333 reset in 140 ms.
Product exploration explored 100000 steps with 33333 reset in 136 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p3 (NOT p0) (NOT p2) (NOT p1)), (X (NOT (AND (NOT p3) (NOT p0)))), (X p3), (X (NOT (AND p3 (NOT p0)))), (X p0), (X (X (NOT (AND (NOT p3) (NOT p0))))), (X (X (NOT (AND (NOT p3) p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) p1)))), (X (X p3))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 17 ms. Reduced automaton from 10 states, 21 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-01 finished in 15283 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F((G(!p0)||(!p1&&X(!p0)))) U X(X(p1)))))'
Support contains 16 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Applied a total of 32 rules in 8 ms. Remains 123 /139 variables (removed 16) and now considering 168/184 (removed 16) transitions.
[2025-06-07 02:55:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:55:45] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-07 02:55:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:55:45] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:55:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5681 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8898 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14614ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14615ms
Starting structural reductions in LTL mode, iteration 1 : 123/139 places, 168/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14801 ms. Remains : 123/139 places, 168/184 transitions.
Stuttering acceptance computed with spot in 402 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), p0, p0]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-03
Product exploration explored 100000 steps with 28495 reset in 147 ms.
Product exploration explored 100000 steps with 28618 reset in 152 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND p0 p1)), (X p0), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 7 factoid took 178 ms. Reduced automaton from 10 states, 21 edges and 2 AP (stutter sensitive) to 10 states, 21 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 340 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), p0, p0]
RANDOM walk for 115 steps (0 resets) in 7 ms. (14 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND p0 p1)), (X p0), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F p0), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p0) p1))), (F (NOT p1)), (F (NOT (AND (NOT p0) p1))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 7 factoid took 367 ms. Reduced automaton from 10 states, 21 edges and 2 AP (stutter sensitive) to 10 states, 21 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 392 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), p0, p0]
Stuttering acceptance computed with spot in 386 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), p0, p0]
Support contains 16 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 3 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2025-06-07 02:56:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:56:02] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-07 02:56:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:56:02] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:56:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5981 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8746 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14774ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14779ms
Finished structural reductions in LTL mode , in 1 iterations and 14948 ms. Remains : 123/123 places, 168/168 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND p0 p1)), (X p0), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 7 factoid took 146 ms. Reduced automaton from 10 states, 21 edges and 2 AP (stutter sensitive) to 10 states, 21 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 368 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), p0, p0]
RANDOM walk for 127 steps (0 resets) in 7 ms. (15 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND p0 p1)), (X p0), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F p0), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p0) p1))), (F (NOT p1)), (F (NOT (AND (NOT p0) p1))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 7 factoid took 331 ms. Reduced automaton from 10 states, 21 edges and 2 AP (stutter sensitive) to 10 states, 21 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 373 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), p0, p0]
Stuttering acceptance computed with spot in 379 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), p0, p0]
Stuttering acceptance computed with spot in 373 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), p0, p0]
Product exploration explored 100000 steps with 28546 reset in 132 ms.
Product exploration explored 100000 steps with 28612 reset in 143 ms.
Built C files in :
/tmp/ltsmin8996467300648382146
[2025-06-07 02:56:20] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8996467300648382146
Running compilation step : cd /tmp/ltsmin8996467300648382146;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 273 ms.
Running link step : cd /tmp/ltsmin8996467300648382146;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin8996467300648382146;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased10209097048091609170.hoa' '--buchi-type=spotba'
LTSmin run took 514 ms.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-03 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-03 finished in 35560 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0)||F((G(p2)||p1))))'
Support contains 35 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 139 transition count 152
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 80 place count 107 transition count 136
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 80 place count 107 transition count 120
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 112 place count 91 transition count 120
Applied a total of 112 rules in 10 ms. Remains 91 /139 variables (removed 48) and now considering 120/184 (removed 64) transitions.
// Phase 1: matrix 120 rows 91 cols
[2025-06-07 02:56:20] [INFO ] Computed 18 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:56:20] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-07 02:56:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:56:21] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 02:56:21] [INFO ] Redundant transitions in 2 ms returned []
Running 112 sub problems to find dead transitions.
[2025-06-07 02:56:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (OVERLAPS) 8/91 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (OVERLAPS) 120/211 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (OVERLAPS) 0/211 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Real declared 211/211 variables, and 109 constraints, problems are : Problem set: 0 solved, 112 unsolved in 2973 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (OVERLAPS) 8/91 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (OVERLAPS) 120/211 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 112/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 7 (OVERLAPS) 0/211 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Int declared 211/211 variables, and 221 constraints, problems are : Problem set: 0 solved, 112 unsolved in 4237 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7225ms problems are : Problem set: 0 solved, 112 unsolved
Search for dead transitions found 0 dead transitions in 7228ms
Starting structural reductions in SI_LTL mode, iteration 1 : 91/139 places, 120/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 7370 ms. Remains : 91/139 places, 120/184 transitions.
Stuttering acceptance computed with spot in 70 ms :[(AND p0 (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-04
Product exploration explored 100000 steps with 4484 reset in 337 ms.
Product exploration explored 100000 steps with 4471 reset in 342 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) p2))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p0)), (X (X (NOT p0))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
Knowledge based reduction with 9 factoid took 467 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(AND p0 (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
RANDOM walk for 91 steps (0 resets) in 5 ms. (15 steps per ms) remains 0/7 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) p2))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p0)), (X (X (NOT p0))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (F p0), (F (NOT (AND p2 (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F p1), (F (NOT p2)), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 9 factoid took 698 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[(AND p0 (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 90 ms :[(AND p0 (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 35 out of 91 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 91/91 places, 120/120 transitions.
Applied a total of 0 rules in 4 ms. Remains 91 /91 variables (removed 0) and now considering 120/120 (removed 0) transitions.
[2025-06-07 02:56:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:56:30] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-07 02:56:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:56:30] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 02:56:30] [INFO ] Redundant transitions in 2 ms returned []
Running 112 sub problems to find dead transitions.
[2025-06-07 02:56:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (OVERLAPS) 8/91 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (OVERLAPS) 120/211 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (OVERLAPS) 0/211 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Real declared 211/211 variables, and 109 constraints, problems are : Problem set: 0 solved, 112 unsolved in 3122 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (OVERLAPS) 8/91 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (OVERLAPS) 120/211 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 112/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 7 (OVERLAPS) 0/211 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Int declared 211/211 variables, and 221 constraints, problems are : Problem set: 0 solved, 112 unsolved in 4427 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7572ms problems are : Problem set: 0 solved, 112 unsolved
Search for dead transitions found 0 dead transitions in 7572ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 7700 ms. Remains : 91/91 places, 120/120 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p2 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
Knowledge based reduction with 9 factoid took 454 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) (NOT p2))]
RANDOM walk for 89 steps (0 resets) in 5 ms. (14 steps per ms) remains 0/7 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p2 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (F p0), (F (NOT (AND (NOT p1) p2))), (F p1), (F (NOT (OR p1 (NOT p0)))), (F (NOT p2)), (F (NOT (OR p1 p2))), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 9 factoid took 657 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 4490 reset in 333 ms.
Product exploration explored 100000 steps with 4471 reset in 341 ms.
Built C files in :
/tmp/ltsmin16838764366260596251
[2025-06-07 02:56:40] [INFO ] Computing symmetric may disable matrix : 120 transitions.
[2025-06-07 02:56:40] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:56:40] [INFO ] Computing symmetric may enable matrix : 120 transitions.
[2025-06-07 02:56:40] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:56:40] [INFO ] Computing Do-Not-Accords matrix : 120 transitions.
[2025-06-07 02:56:40] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:56:40] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16838764366260596251
Running compilation step : cd /tmp/ltsmin16838764366260596251;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 245 ms.
Running link step : cd /tmp/ltsmin16838764366260596251;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin16838764366260596251;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased549659955857988347.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 35 out of 91 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 91/91 places, 120/120 transitions.
Applied a total of 0 rules in 12 ms. Remains 91 /91 variables (removed 0) and now considering 120/120 (removed 0) transitions.
[2025-06-07 02:56:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:56:55] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-07 02:56:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:56:55] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 02:56:55] [INFO ] Redundant transitions in 2 ms returned []
Running 112 sub problems to find dead transitions.
[2025-06-07 02:56:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (OVERLAPS) 8/91 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (OVERLAPS) 120/211 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (OVERLAPS) 0/211 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Real declared 211/211 variables, and 109 constraints, problems are : Problem set: 0 solved, 112 unsolved in 3035 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (OVERLAPS) 8/91 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (OVERLAPS) 120/211 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 112/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 7 (OVERLAPS) 0/211 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Int declared 211/211 variables, and 221 constraints, problems are : Problem set: 0 solved, 112 unsolved in 4334 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7383ms problems are : Problem set: 0 solved, 112 unsolved
Search for dead transitions found 0 dead transitions in 7385ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 7531 ms. Remains : 91/91 places, 120/120 transitions.
Built C files in :
/tmp/ltsmin1751741080515422057
[2025-06-07 02:57:03] [INFO ] Computing symmetric may disable matrix : 120 transitions.
[2025-06-07 02:57:03] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:57:03] [INFO ] Computing symmetric may enable matrix : 120 transitions.
[2025-06-07 02:57:03] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:57:03] [INFO ] Computing Do-Not-Accords matrix : 120 transitions.
[2025-06-07 02:57:03] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 02:57:03] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1751741080515422057
Running compilation step : cd /tmp/ltsmin1751741080515422057;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 266 ms.
Running link step : cd /tmp/ltsmin1751741080515422057;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin1751741080515422057;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased14110397610109081800.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-07 02:57:18] [INFO ] Flatten gal took : 17 ms
[2025-06-07 02:57:18] [INFO ] Flatten gal took : 6 ms
[2025-06-07 02:57:18] [INFO ] Time to serialize gal into /tmp/LTL7634492894630880653.gal : 2 ms
[2025-06-07 02:57:18] [INFO ] Time to serialize properties into /tmp/LTL710093031237061900.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7634492894630880653.gal' '-t' 'CGAL' '-hoa' '/tmp/aut970182215487469857.hoa' '-atoms' '/tmp/LTL710093031237061900.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...315
Loading property file /tmp/LTL710093031237061900.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut970182215487469857.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
34 unique states visited
0 strongly connected components in search stack
35 transitions explored
19 items max in DFS search stack
1311 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,0,13.1292,430852,1,0,1492,2.08423e+06,39,509,2454,3.25498e+06,3193
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Detected timeout of ITS tools.
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-04 finished in 72315 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(!p1)||p0)))'
Support contains 8 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Applied a total of 32 rules in 6 ms. Remains 123 /139 variables (removed 16) and now considering 168/184 (removed 16) transitions.
// Phase 1: matrix 168 rows 123 cols
[2025-06-07 02:57:33] [INFO ] Computed 18 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:57:33] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-07 02:57:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:57:33] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 193 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:57:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 6006 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8726 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14756ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14757ms
Starting structural reductions in LTL mode, iteration 1 : 123/139 places, 168/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14957 ms. Remains : 123/139 places, 168/184 transitions.
Stuttering acceptance computed with spot in 115 ms :[true, (AND p1 (NOT p0)), p1, (AND p1 (NOT p0))]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 128 ms.
Product exploration explored 100000 steps with 50000 reset in 139 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1)]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 15 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-06 finished in 15380 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 24 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 139 transition count 152
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 80 place count 107 transition count 136
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 81 place count 106 transition count 120
Iterating global reduction 2 with 1 rules applied. Total rules applied 82 place count 106 transition count 120
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 90 place count 98 transition count 112
Iterating global reduction 2 with 8 rules applied. Total rules applied 98 place count 98 transition count 112
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 49 rules applied. Total rules applied 147 place count 73 transition count 88
Applied a total of 147 rules in 18 ms. Remains 73 /139 variables (removed 66) and now considering 88/184 (removed 96) transitions.
// Phase 1: matrix 88 rows 73 cols
[2025-06-07 02:57:48] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:57:48] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-07 02:57:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:57:48] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 02:57:48] [INFO ] Redundant transitions in 1 ms returned []
Running 72 sub problems to find dead transitions.
[2025-06-07 02:57:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 8/73 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (OVERLAPS) 88/161 variables, 73/90 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (OVERLAPS) 0/161 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 161/161 variables, and 90 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1545 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 73/73 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 8/73 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (OVERLAPS) 88/161 variables, 73/90 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 72/162 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/161 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 161/161 variables, and 162 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1838 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 73/73 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3395ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 3395ms
Starting structural reductions in SI_LTL mode, iteration 1 : 73/139 places, 88/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3503 ms. Remains : 73/139 places, 88/184 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-07
Product exploration explored 100000 steps with 0 reset in 225 ms.
Stack based approach found an accepted trace after 1866 steps with 0 reset with depth 1867 and stack size 1401 in 11 ms.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-07 finished in 3792 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(p0)))&&(F((p1&&G(p2))) U p3)))'
Support contains 51 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Applied a total of 32 rules in 4 ms. Remains 123 /139 variables (removed 16) and now considering 168/184 (removed 16) transitions.
// Phase 1: matrix 168 rows 123 cols
[2025-06-07 02:57:52] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:57:52] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-07 02:57:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:57:52] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:57:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 6035 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8929 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14994ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14995ms
Starting structural reductions in LTL mode, iteration 1 : 123/139 places, 168/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15116 ms. Remains : 123/139 places, 168/184 transitions.
Stuttering acceptance computed with spot in 289 ms :[(OR (NOT p3) (NOT p0)), (NOT p0), (OR (NOT p2) (NOT p1)), (NOT p3), (NOT p2), (NOT p0), (NOT p0), true]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-08
Product exploration explored 100000 steps with 0 reset in 301 ms.
Stack based approach found an accepted trace after 3884 steps with 0 reset with depth 3885 and stack size 3885 in 12 ms.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-08 finished in 15746 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 24 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Applied a total of 32 rules in 4 ms. Remains 123 /139 variables (removed 16) and now considering 168/184 (removed 16) transitions.
[2025-06-07 02:58:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:58:08] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-07 02:58:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:58:08] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:58:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5867 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8718 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14609ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14610ms
Starting structural reductions in LTL mode, iteration 1 : 123/139 places, 168/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14749 ms. Remains : 123/139 places, 168/184 transitions.
Stuttering acceptance computed with spot in 131 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-09 finished in 14903 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(X((p0&&X(p0)))))&&F(p1))))'
Support contains 27 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Applied a total of 32 rules in 4 ms. Remains 123 /139 variables (removed 16) and now considering 168/184 (removed 16) transitions.
[2025-06-07 02:58:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:58:23] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-07 02:58:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:58:23] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:58:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5556 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8820 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14412ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14412ms
Starting structural reductions in LTL mode, iteration 1 : 123/139 places, 168/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14557 ms. Remains : 123/139 places, 168/184 transitions.
Stuttering acceptance computed with spot in 289 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-11
Product exploration explored 100000 steps with 12569 reset in 345 ms.
Product exploration explored 100000 steps with 12606 reset in 364 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 76 ms. Reduced automaton from 9 states, 16 edges and 2 AP (stutter sensitive) to 9 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 287 ms :[(NOT p0), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
RANDOM walk for 115 steps (0 resets) in 7 ms. (14 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1))), (F (NOT p1)), (F p0), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 3 factoid took 179 ms. Reduced automaton from 9 states, 13 edges and 2 AP (stutter sensitive) to 9 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 351 ms :[(NOT p0), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 338 ms :[(NOT p0), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
[2025-06-07 02:58:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:58:40] [INFO ] [Real]Absence check using 18 positive place invariants in 30 ms returned sat
[2025-06-07 02:58:40] [INFO ] [Real]Absence check using state equation in 179 ms returned sat
[2025-06-07 02:58:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:58:40] [INFO ] [Nat]Absence check using 18 positive place invariants in 17 ms returned sat
[2025-06-07 02:58:40] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2025-06-07 02:58:40] [INFO ] Computed and/alt/rep : 160/248/160 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-07 02:58:40] [INFO ] Added : 106 causal constraints over 22 iterations in 326 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 27 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 1 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2025-06-07 02:58:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:58:40] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-07 02:58:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:58:41] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:58:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5852 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8567 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14440ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14441ms
Finished structural reductions in LTL mode , in 1 iterations and 14581 ms. Remains : 123/123 places, 168/168 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 75 ms. Reduced automaton from 9 states, 13 edges and 2 AP (stutter sensitive) to 9 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 354 ms :[(NOT p0), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
RANDOM walk for 122 steps (0 resets) in 5 ms. (20 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 (NOT p0))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1))), (F (NOT p1)), (F p0), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 1 factoid took 150 ms. Reduced automaton from 9 states, 13 edges and 2 AP (stutter sensitive) to 9 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 303 ms :[(NOT p0), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 330 ms :[(NOT p0), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
[2025-06-07 02:58:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:58:56] [INFO ] [Real]Absence check using 18 positive place invariants in 28 ms returned sat
[2025-06-07 02:58:57] [INFO ] [Real]Absence check using state equation in 169 ms returned sat
[2025-06-07 02:58:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:58:57] [INFO ] [Nat]Absence check using 18 positive place invariants in 17 ms returned sat
[2025-06-07 02:58:57] [INFO ] [Nat]Absence check using state equation in 171 ms returned sat
[2025-06-07 02:58:57] [INFO ] Computed and/alt/rep : 160/248/160 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-07 02:58:57] [INFO ] Added : 106 causal constraints over 22 iterations in 325 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 315 ms :[(NOT p0), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 12663 reset in 438 ms.
Product exploration explored 100000 steps with 12633 reset in 444 ms.
Applying partial POR strategy [false, false, true, false, false, false, true, false, false]
Stuttering acceptance computed with spot in 332 ms :[(NOT p0), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
Support contains 27 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 168/168 transitions.
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 0 place count 123 transition count 184
Deduced a syphon composed of 16 places in 0 ms
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 123 transition count 184
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 32 places in 0 ms
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 184
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 48 place count 123 transition count 168
Deduced a syphon composed of 32 places in 0 ms
Applied a total of 48 rules in 14 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 02:58:59] [INFO ] Redundant transitions in 1 ms returned []
Running 160 sub problems to find dead transitions.
// Phase 1: matrix 168 rows 123 cols
[2025-06-07 02:58:59] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:58:59] [INFO ] Deduced a trap composed of 34 places in 83 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/115 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (OVERLAPS) 8/123 variables, 16/19 constraints. Problems are: Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:59:01] [INFO ] Deduced a trap composed of 9 places in 21 ms of which 1 ms to minimize.
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:59:01] [INFO ] Deduced a trap composed of 9 places in 19 ms of which 1 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:59:01] [INFO ] Deduced a trap composed of 9 places in 20 ms of which 1 ms to minimize.
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:59:01] [INFO ] Deduced a trap composed of 9 places in 19 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:59:01] [INFO ] Deduced a trap composed of 9 places in 20 ms of which 1 ms to minimize.
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:59:01] [INFO ] Deduced a trap composed of 9 places in 22 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:59:01] [INFO ] Deduced a trap composed of 9 places in 22 ms of which 2 ms to minimize.
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 02:59:01] [INFO ] Deduced a trap composed of 9 places in 22 ms of which 2 ms to minimize.
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 8/27 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/27 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 6 (OVERLAPS) 168/291 variables, 123/150 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/150 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 8 (OVERLAPS) 0/291 variables, 0/150 constraints. Problems are: Problem set: 48 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 150 constraints, problems are : Problem set: 48 solved, 112 unsolved in 5341 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 48 solved, 112 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 2 (OVERLAPS) 40/123 variables, 18/19 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 8/27 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 0/27 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 5 (OVERLAPS) 168/291 variables, 123/150 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 112/262 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/262 constraints. Problems are: Problem set: 48 solved, 112 unsolved
At refinement iteration 8 (OVERLAPS) 0/291 variables, 0/262 constraints. Problems are: Problem set: 48 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 262 constraints, problems are : Problem set: 48 solved, 112 unsolved in 5471 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 112/160 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10829ms problems are : Problem set: 48 solved, 112 unsolved
Search for dead transitions found 48 dead transitions in 10831ms
Found 48 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 48 transitions
Dead transitions reduction (with SMT) removed 48 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 123/123 places, 120/168 transitions.
Graph (complete) has 200 edges and 123 vertex of which 91 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.1 ms
Discarding 32 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 6 ms. Remains 91 /123 variables (removed 32) and now considering 120/120 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 91/123 places, 120/168 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 10869 ms. Remains : 91/123 places, 120/168 transitions.
Built C files in :
/tmp/ltsmin10724913019812880032
[2025-06-07 02:59:10] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10724913019812880032
Running compilation step : cd /tmp/ltsmin10724913019812880032;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 298 ms.
Running link step : cd /tmp/ltsmin10724913019812880032;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin10724913019812880032;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased13436213592169207093.hoa' '--buchi-type=spotba'
LTSmin run took 840 ms.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-11 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-11 finished in 48411 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F(!p0)))&&F(p1)))'
Support contains 24 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Applied a total of 32 rules in 8 ms. Remains 123 /139 variables (removed 16) and now considering 168/184 (removed 16) transitions.
// Phase 1: matrix 168 rows 123 cols
[2025-06-07 02:59:11] [INFO ] Computed 18 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:59:11] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-07 02:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:59:11] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5891 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8834 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14750ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14750ms
Starting structural reductions in LTL mode, iteration 1 : 123/139 places, 168/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14934 ms. Remains : 123/139 places, 168/184 transitions.
Stuttering acceptance computed with spot in 183 ms :[(OR (NOT p1) p0), p0, (NOT p1), p0]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-12
Product exploration explored 100000 steps with 581 reset in 217 ms.
Stack based approach found an accepted trace after 58424 steps with 354 reset with depth 1024 and stack size 1024 in 141 ms.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-12 finished in 15500 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((G(p0) U (!p1||X(p2))) U X(X(p2)))))'
Support contains 43 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Applied a total of 32 rules in 4 ms. Remains 123 /139 variables (removed 16) and now considering 168/184 (removed 16) transitions.
[2025-06-07 02:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:59:27] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-07 02:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:59:27] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5960 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8770 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14753ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14754ms
Starting structural reductions in LTL mode, iteration 1 : 123/139 places, 168/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14890 ms. Remains : 123/139 places, 168/184 transitions.
Stuttering acceptance computed with spot in 393 ms :[(NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0)), (AND p1 (NOT p2)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-13
Product exploration explored 100000 steps with 16352 reset in 544 ms.
Product exploration explored 100000 steps with 16327 reset in 543 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND p1 p0 (NOT p2)))), (X (NOT p2)), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (OR (NOT p1) p0)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT p0))), (X (X (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))))), (X (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))))))]
Knowledge based reduction with 13 factoid took 489 ms. Reduced automaton from 10 states, 22 edges and 3 AP (stutter sensitive) to 10 states, 22 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 396 ms :[(NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (AND p1 (NOT p2)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
Reduction of identical properties reduced properties to check from 13 to 11
RANDOM walk for 40000 steps (8 resets) in 690 ms. (57 steps per ms) remains 2/11 properties
BEST_FIRST walk for 40002 steps (8 resets) in 562 ms. (71 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 434 ms. (91 steps per ms) remains 2/2 properties
[2025-06-07 02:59:44] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf0 is UNSAT
Problem apf4 is UNSAT
After SMT solving in domain Real declared 43/291 variables, and 0 constraints, problems are : Problem set: 2 solved, 0 unsolved in 21 ms.
Refiners :[Positive P Invariants (semi-flows): 0/18 constraints, State Equation: 0/123 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 32ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 4 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND p1 p0 (NOT p2)))), (X (NOT p2)), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (OR (NOT p1) p0)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT p1))), (G (OR p0 (NOT p1))), (G (OR (NOT p0) p2 (NOT p1))), (G (OR p0 p2 (NOT p1))), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT p0))), (X (X (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))))), (X (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2)))))), (F (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (F (NOT (OR (NOT p0) p2 p1))), (F (NOT (OR (NOT p0) p2))), (F p1), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR (AND p0 (NOT p2)) (AND (NOT p2) (NOT p1))))), (F p0), (F p2)]
Knowledge based reduction with 17 factoid took 704 ms. Reduced automaton from 10 states, 22 edges and 3 AP (stutter sensitive) to 8 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 259 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
Stuttering acceptance computed with spot in 269 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
[2025-06-07 02:59:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:59:46] [INFO ] [Real]Absence check using 18 positive place invariants in 23 ms returned sat
[2025-06-07 02:59:46] [INFO ] [Real]Absence check using state equation in 267 ms returned sat
[2025-06-07 02:59:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 02:59:46] [INFO ] [Nat]Absence check using 18 positive place invariants in 17 ms returned sat
[2025-06-07 02:59:46] [INFO ] [Nat]Absence check using state equation in 209 ms returned sat
[2025-06-07 02:59:46] [INFO ] Computed and/alt/rep : 160/248/160 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-07 02:59:47] [INFO ] Added : 88 causal constraints over 18 iterations in 273 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 43 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 1 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2025-06-07 02:59:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:59:47] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-07 02:59:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 02:59:47] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 02:59:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5587 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 8825 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14439ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14439ms
Finished structural reductions in LTL mode , in 1 iterations and 14573 ms. Remains : 123/123 places, 168/168 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X (NOT p0)), (X (X (NOT (AND p0 (NOT p2)))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p2))), (X (X p2)), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 6 factoid took 297 ms. Reduced automaton from 8 states, 13 edges and 3 AP (stutter sensitive) to 8 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 280 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
RANDOM walk for 5536 steps (0 resets) in 55 ms. (98 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X (NOT p0)), (X (X (NOT (AND p0 (NOT p2)))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p2))), (X (X p2)), (X (X p0)), (X (X (NOT p0))), (F p1), (F p0), (F p2), (F (NOT (OR (NOT p0) p2))), (F (NOT (AND (NOT p0) (NOT p2))))]
Knowledge based reduction with 6 factoid took 406 ms. Reduced automaton from 8 states, 13 edges and 3 AP (stutter sensitive) to 8 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 253 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
Stuttering acceptance computed with spot in 275 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
[2025-06-07 03:00:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 03:00:03] [INFO ] [Real]Absence check using 18 positive place invariants in 23 ms returned sat
[2025-06-07 03:00:03] [INFO ] [Real]Absence check using state equation in 279 ms returned sat
[2025-06-07 03:00:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 03:00:03] [INFO ] [Nat]Absence check using 18 positive place invariants in 16 ms returned sat
[2025-06-07 03:00:04] [INFO ] [Nat]Absence check using state equation in 213 ms returned sat
[2025-06-07 03:00:04] [INFO ] Computed and/alt/rep : 160/248/160 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-07 03:00:04] [INFO ] Added : 88 causal constraints over 18 iterations in 274 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 275 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
Product exploration explored 100000 steps with 16540 reset in 226 ms.
Product exploration explored 100000 steps with 16444 reset in 235 ms.
Applying partial POR strategy [false, true, false, true, true, true, true, true]
Stuttering acceptance computed with spot in 285 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (NOT p0)]
Support contains 43 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 168/168 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 16 places in 0 ms
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 123 transition count 168
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 152
Deduced a syphon composed of 16 places in 0 ms
Applied a total of 32 rules in 7 ms. Remains 123 /123 variables (removed 0) and now considering 152/168 (removed 16) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 03:00:05] [INFO ] Redundant transitions in 2 ms returned []
Running 144 sub problems to find dead transitions.
// Phase 1: matrix 152 rows 123 cols
[2025-06-07 03:00:05] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:05] [INFO ] Deduced a trap composed of 50 places in 58 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/115 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 8/123 variables, 16/19 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:07] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 2 ms to minimize.
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:07] [INFO ] Deduced a trap composed of 11 places in 20 ms of which 2 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:07] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 1 ms to minimize.
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:07] [INFO ] Deduced a trap composed of 11 places in 21 ms of which 1 ms to minimize.
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:07] [INFO ] Deduced a trap composed of 11 places in 20 ms of which 2 ms to minimize.
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:07] [INFO ] Deduced a trap composed of 11 places in 20 ms of which 1 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:07] [INFO ] Deduced a trap composed of 11 places in 18 ms of which 2 ms to minimize.
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 03:00:07] [INFO ] Deduced a trap composed of 11 places in 20 ms of which 1 ms to minimize.
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 8/27 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/27 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 6 (OVERLAPS) 152/275 variables, 123/150 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/275 variables, 0/150 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 8 (OVERLAPS) 0/275 variables, 0/150 constraints. Problems are: Problem set: 16 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 275/275 variables, and 150 constraints, problems are : Problem set: 16 solved, 128 unsolved in 5727 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 16 solved, 128 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 1/1 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/1 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 2 (OVERLAPS) 24/123 variables, 18/19 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 8/27 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 0/27 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 152/275 variables, 123/150 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/275 variables, 128/278 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/275 variables, 0/278 constraints. Problems are: Problem set: 16 solved, 128 unsolved
At refinement iteration 8 (OVERLAPS) 0/275 variables, 0/278 constraints. Problems are: Problem set: 16 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Int declared 275/275 variables, and 278 constraints, problems are : Problem set: 16 solved, 128 unsolved in 6605 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 128/144 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12347ms problems are : Problem set: 16 solved, 128 unsolved
Search for dead transitions found 16 dead transitions in 12347ms
Found 16 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 16 transitions
Dead transitions reduction (with SMT) removed 16 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 123/123 places, 136/168 transitions.
Graph (complete) has 216 edges and 123 vertex of which 107 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.3 ms
Discarding 16 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 10 ms. Remains 107 /123 variables (removed 16) and now considering 136/136 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 107/123 places, 136/168 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 12377 ms. Remains : 107/123 places, 136/168 transitions.
Built C files in :
/tmp/ltsmin17671068961605569747
[2025-06-07 03:00:17] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17671068961605569747
Running compilation step : cd /tmp/ltsmin17671068961605569747;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 280 ms.
Running link step : cd /tmp/ltsmin17671068961605569747;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin17671068961605569747;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased16832126157539525506.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 43 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 1 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
// Phase 1: matrix 168 rows 123 cols
[2025-06-07 03:00:33] [INFO ] Computed 18 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 03:00:33] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-07 03:00:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 03:00:33] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
Running 160 sub problems to find dead transitions.
[2025-06-07 03:00:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 0/291 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 141 constraints, problems are : Problem set: 0 solved, 160 unsolved in 5693 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 8/123 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/141 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 301 constraints, problems are : Problem set: 0 solved, 160 unsolved in 9096 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 123/123 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14811ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 14812ms
Finished structural reductions in LTL mode , in 1 iterations and 14941 ms. Remains : 123/123 places, 168/168 transitions.
Built C files in :
/tmp/ltsmin10825823709217811251
[2025-06-07 03:00:47] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10825823709217811251
Running compilation step : cd /tmp/ltsmin10825823709217811251;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 300 ms.
Running link step : cd /tmp/ltsmin10825823709217811251;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin10825823709217811251;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased14741032649205994174.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-07 03:01:03] [INFO ] Flatten gal took : 10 ms
[2025-06-07 03:01:03] [INFO ] Flatten gal took : 8 ms
[2025-06-07 03:01:03] [INFO ] Time to serialize gal into /tmp/LTL2512250793029434999.gal : 2 ms
[2025-06-07 03:01:03] [INFO ] Time to serialize properties into /tmp/LTL16345430155673292189.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2512250793029434999.gal' '-t' 'CGAL' '-hoa' '/tmp/aut372150567876980086.hoa' '-atoms' '/tmp/LTL16345430155673292189.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL16345430155673292189.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut372150567876980086.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
4 unique states visited
4 strongly connected components in search stack
5 transitions explored
4 items max in DFS search stack
230 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,0,2.32364,89812,1,0,9,430455,27,1,3441,229795,28
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-13 FALSE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-13 finished in 98812 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F((p1&&G(p2))))))'
Support contains 59 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 0 place count 139 transition count 168
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 123 transition count 168
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 48 place count 115 transition count 160
Applied a total of 48 rules in 9 ms. Remains 115 /139 variables (removed 24) and now considering 160/184 (removed 24) transitions.
// Phase 1: matrix 160 rows 115 cols
[2025-06-07 03:01:05] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 03:01:05] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-07 03:01:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 03:01:05] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 03:01:05] [INFO ] Redundant transitions in 1 ms returned []
Running 136 sub problems to find dead transitions.
[2025-06-07 03:01:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 8/115 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/115 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (OVERLAPS) 160/275 variables, 115/133 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/275 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 0/275 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 275/275 variables, and 133 constraints, problems are : Problem set: 0 solved, 136 unsolved in 4770 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 115/115 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 8/115 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/115 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (OVERLAPS) 160/275 variables, 115/133 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/275 variables, 136/269 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/275 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (OVERLAPS) 0/275 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Int declared 275/275 variables, and 269 constraints, problems are : Problem set: 0 solved, 136 unsolved in 6960 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 115/115 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11752ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 11752ms
Starting structural reductions in SI_LTL mode, iteration 1 : 115/139 places, 160/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11903 ms. Remains : 115/139 places, 160/184 transitions.
Stuttering acceptance computed with spot in 174 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (OR (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-14
Product exploration explored 100000 steps with 1 reset in 362 ms.
Stack based approach found an accepted trace after 5698 steps with 0 reset with depth 5699 and stack size 5699 in 21 ms.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-14 finished in 12483 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U G(p1)))'
Support contains 40 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 184/184 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 123 transition count 168
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 123 transition count 168
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
Deduced a syphon composed of 32 places in 0 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 0 with 64 rules applied. Total rules applied 96 place count 91 transition count 136
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 112 place count 91 transition count 120
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 113 place count 90 transition count 104
Ensure Unique test removed 1 places
Iterating global reduction 0 with 2 rules applied. Total rules applied 115 place count 89 transition count 104
Applied a total of 115 rules in 10 ms. Remains 89 /139 variables (removed 50) and now considering 104/184 (removed 80) transitions.
// Phase 1: matrix 104 rows 89 cols
[2025-06-07 03:01:18] [INFO ] Computed 17 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 03:01:18] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-07 03:01:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 03:01:18] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 03:01:18] [INFO ] Redundant transitions in 0 ms returned []
Running 88 sub problems to find dead transitions.
[2025-06-07 03:01:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (OVERLAPS) 8/89 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (OVERLAPS) 104/193 variables, 89/106 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 106 constraints, problems are : Problem set: 0 solved, 88 unsolved in 2364 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 89/89 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (OVERLAPS) 8/89 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (OVERLAPS) 104/193 variables, 89/106 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 88/194 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 194 constraints, problems are : Problem set: 0 solved, 88 unsolved in 2505 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 89/89 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4876ms problems are : Problem set: 0 solved, 88 unsolved
Search for dead transitions found 0 dead transitions in 4876ms
Starting structural reductions in SI_LTL mode, iteration 1 : 89/139 places, 104/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 5007 ms. Remains : 89/139 places, 104/184 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N08-LTLFireability-15
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-COL-Z2T4N08-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N08-LTLFireability-15 finished in 5101 ms.
All properties solved by simple procedures.
Total runtime 396560 ms.

BK_STOP 1749265283415

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="UtilityControlRoom-COL-Z2T4N08"
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 2-5832"
echo " Executing tool itstools"
echo " Input is UtilityControlRoom-COL-Z2T4N08, 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 r240-tall-174915590300692"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-COL-Z2T4N08.tgz
mv UtilityControlRoom-COL-Z2T4N08 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 ;