Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r016-smll-174853764600180.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 BridgeAndVehicles-COL-V20P10N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-smll-174853764600180
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 39K May 29 14:32 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 BridgeAndVehicles-COL-V20P10N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748743692892

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P10N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-06-01 02:08:15] [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]
[2025-06-01 02:08:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 02:08:15] [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.
[2025-06-01 02:08:16] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-01 02:08:17] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1350 ms
[2025-06-01 02:08:17] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 68 PT places and 19578.0 transition bindings in 50 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
[2025-06-01 02:08:17] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 9 ms.
[2025-06-01 02:08:17] [INFO ] Skeletonized 8 HLPN properties in 1 ms. Removed 8 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Remains 2 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
RANDOM walk for 199 steps (0 resets) in 10 ms. (18 steps per ms) remains 0/3 properties
[2025-06-01 02:08:17] [INFO ] Flatten gal took : 17 ms
[2025-06-01 02:08:17] [INFO ] Flatten gal took : 3 ms
Arc [1:1*[(MOD (ADD $cA 1) 21)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 21) 21) 21)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2025-06-01 02:08:18] [INFO ] Unfolded HLPN to a Petri net with 68 places and 548 transitions 4070 arcs in 77 ms.
[2025-06-01 02:08:18] [INFO ] Unfolded 15 HLPN properties in 2 ms.
Initial state reduction rules removed 3 formulas.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 66 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 66 transition count 548
Applied a total of 2 rules in 42 ms. Remains 66 /68 variables (removed 2) and now considering 548/548 (removed 0) transitions.
Running 545 sub problems to find dead transitions.
[2025-06-01 02:08:18] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 66 cols
[2025-06-01 02:08:18] [INFO ] Computed 5 invariants in 20 ms
[2025-06-01 02:08:18] [INFO ] State equation strengthened by 22 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 545 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:08:24] [INFO ] Deduced a trap composed of 5 places in 275 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:08:26] [INFO ] Deduced a trap composed of 14 places in 156 ms of which 4 ms to minimize.
Problem TDEAD308 is UNSAT
Problem TDEAD309 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD313 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD319 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 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
Problem TDEAD104 is UNSAT
Problem TDEAD105 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD107 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 2/7 constraints. Problems are: Problem set: 40 solved, 505 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 40 solved, 505 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 3 (OVERLAPS) 130/196 variables, 66/73 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/95 constraints. Problems are: Problem set: 42 solved, 503 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 1.0)
(t1 1.0)
(t2 1.0)
(t3 1.0)
(t4 1.0)
(t5 1.0)
(t6 1.0)timeout

org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 196/196 variables, and 95 constraints, problems are : Problem set: 42 solved, 503 unsolved in 20111 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 66/66 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 545/545 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 42 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 2/7 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 130/196 variables, 66/73 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/95 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 503/598 constraints. Problems are: Problem set: 42 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 598 constraints, problems are : Problem set: 42 solved, 503 unsolved in 20039 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 66/66 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 503/545 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41508ms problems are : Problem set: 42 solved, 503 unsolved
Search for dead transitions found 42 dead transitions in 41561ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 42 transitions.
[2025-06-01 02:09:00] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 02:09:00] [INFO ] Computed 7 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:09:00] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-01 02:09:00] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:09:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:09:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:09:00] [INFO ] Implicit Places using invariants and state equation in 145 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/68 places, 506/548 transitions.
Applied a total of 0 rules in 8 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42005 ms. Remains : 66/68 places, 506/548 transitions.
Support contains 66 out of 66 places after structural reductions.
[2025-06-01 02:09:00] [INFO ] Flatten gal took : 151 ms
[2025-06-01 02:09:01] [INFO ] Flatten gal took : 133 ms
[2025-06-01 02:09:01] [INFO ] Input system was already deterministic with 506 transitions.
Reduction of identical properties reduced properties to check from 14 to 13
RANDOM walk for 1630 steps (8 resets) in 211 ms. (7 steps per ms) remains 0/13 properties
Computed a total of 49 stabilizing places and 82 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' '!(F(G(p0)))'
Support contains 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 63 transition count 504
Applied a total of 5 rules in 90 ms. Remains 63 /66 variables (removed 3) and now considering 504/506 (removed 2) transitions.
[2025-06-01 02:09:02] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
// Phase 1: matrix 124 rows 63 cols
[2025-06-01 02:09:02] [INFO ] Computed 6 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:09:02] [INFO ] Implicit Places using invariants in 227 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 231 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/66 places, 504/506 transitions.
Applied a total of 0 rules in 50 ms. Remains 61 /61 variables (removed 0) and now considering 504/504 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 372 ms. Remains : 61/66 places, 504/506 transitions.
Stuttering acceptance computed with spot in 254 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-00
Stuttering criterion allowed to conclude after 129 steps with 0 reset in 11 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-00 finished in 738 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 X(p1)) U X(X((p2&&F(p3))))))'
Support contains 29 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 9 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:09:02] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 02:09:02] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 02:09:02] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:09:06] [INFO ] Deduced a trap composed of 5 places in 152 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:09:16] [INFO ] Deduced a trap composed of 14 places in 104 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40935ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40940ms
[2025-06-01 02:09:43] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:09:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:09:43] [INFO ] Implicit Places using invariants in 150 ms returned [47]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 157 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 8 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41119 ms. Remains : 65/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 884 ms :[(OR (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2)), (OR (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), true, (NOT p3), (AND (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p3)), (OR (AND p0 (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p3)), (NOT p1), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-01
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-01 finished in 42042 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(p0))'
Support contains 44 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 12 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:09:44] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 02:09:44] [INFO ] Computed 7 invariants in 3 ms
[2025-06-01 02:09:44] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:09:47] [INFO ] Deduced a trap composed of 5 places in 105 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40828ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40831ms
[2025-06-01 02:10:25] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:10:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:10:25] [INFO ] Implicit Places using invariants in 125 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 128 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 9 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40982 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 117 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-02 finished in 41123 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(G(p1))||p0))))'
Support contains 23 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 7 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:10:25] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:10:25] [INFO ] Invariant cache hit.
[2025-06-01 02:10:26] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:10:29] [INFO ] Deduced a trap composed of 5 places in 176 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40565ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40567ms
[2025-06-01 02:11:06] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:11:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:11:06] [INFO ] Implicit Places using invariants in 148 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 150 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 505/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40729 ms. Remains : 64/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 183 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-03
Stuttering criterion allowed to conclude after 169 steps with 0 reset in 7 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-03 finished in 40944 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)||G(p1)))&&((X(!p2) U (X(G(!p2))||(X(!p2)&&G(!p3)))) U (G((X(!p2) U (X(G(!p2))||(X(!p2)&&G(!p3)))))||(!p1&&(X(!p2) U (X(G(!p2))||(X(!p2)&&G(!p3)))))))))'
Support contains 58 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 4 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:11:06] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 02:11:06] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 02:11:06] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:11:10] [INFO ] Deduced a trap composed of 5 places in 135 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:11:19] [INFO ] Deduced a trap composed of 14 places in 135 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40834ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40836ms
[2025-06-01 02:11:47] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:11:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:11:47] [INFO ] Implicit Places using invariants in 78 ms returned [47]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 91 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 4 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40937 ms. Remains : 65/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 495 ms :[(OR p2 (AND (NOT p0) (NOT p1))), (AND (NOT p1) (NOT p0)), p2, p2, (AND p2 p3), p2, true, (AND p3 p2), (AND p3 (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-04
Stuttering criterion allowed to conclude after 176 steps with 3 reset in 22 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-04 finished in 41516 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((p0&&G(p1))))&&(X(G(p2)) U (p1 U p3))))'
Support contains 40 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 7 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:11:48] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 02:11:48] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 02:11:48] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:11:52] [INFO ] Deduced a trap composed of 5 places in 163 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40868ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40871ms
[2025-06-01 02:12:29] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:12:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:12:29] [INFO ] Implicit Places using invariants in 98 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 100 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 505/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40984 ms. Remains : 64/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 428 ms :[(OR (NOT p1) (NOT p3) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p3), (AND (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), true, (NOT p1), (NOT p3)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-05
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-05 finished in 41454 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((!((p0 U p1) U p2)&&(!((p2 U p0) U p0)||!p1))))'
Support contains 14 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 4 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:12:29] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 02:12:29] [INFO ] Computed 7 invariants in 3 ms
[2025-06-01 02:12:29] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:12:33] [INFO ] Deduced a trap composed of 5 places in 170 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:12:45] [INFO ] Deduced a trap composed of 14 places in 125 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40878ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40882ms
[2025-06-01 02:13:10] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:13:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:13:10] [INFO ] Implicit Places using invariants in 186 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 188 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41080 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 225 ms :[true, (OR p2 (AND p0 p1)), (OR p2 (AND p0 p1)), p2, (AND p1 p2), p1]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-07
Product exploration explored 100000 steps with 25000 reset in 557 ms.
Product exploration explored 100000 steps with 24961 reset in 456 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/64 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (OR (AND p0 p1) p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT p0))), (X (X (NOT (AND p1 p2)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p0) p1 (NOT p2))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X p1), (X (NOT p1)), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 11 factoid took 591 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 7 states, 21 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 253 ms :[true, (AND p1 p2), p1, p2, p2, p2, p2]
RANDOM walk for 40000 steps (224 resets) in 905 ms. (44 steps per ms) remains 1/9 properties
BEST_FIRST walk for 40003 steps (108 resets) in 473 ms. (84 steps per ms) remains 1/1 properties
[2025-06-01 02:13:13] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2025-06-01 02:13:13] [INFO ] Computed 5 invariants in 1 ms
[2025-06-01 02:13:13] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf6 is UNSAT
After SMT solving in domain Real declared 13/190 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 24 ms.
Refiners :[Positive P Invariants (semi-flows): 1/5 constraints, State Equation: 0/64 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (OR (AND p0 p1) p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT p0))), (X (X (NOT (AND p1 p2)))), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p1) (NOT p2)))]
False Knowledge obtained : [(X (AND (NOT p0) p1 (NOT p2))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X p1), (X (NOT p1)), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p1 (NOT p2) (NOT p0)))), (F (NOT (AND p1 (NOT p2)))), (F (NOT (OR p1 p2 p0))), (F p2), (F (NOT (OR p1 (NOT p0)))), (F (NOT (OR p1 p2 (NOT p0)))), (F (NOT p1)), (F p0)]
Knowledge based reduction with 12 factoid took 1322 ms. Reduced automaton from 7 states, 21 edges and 3 AP (stutter insensitive) to 7 states, 21 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 252 ms :[true, p1, (AND p1 p2), p2, p2, p2, p2]
Stuttering acceptance computed with spot in 252 ms :[true, p1, (AND p1 p2), p2, p2, p2, p2]
Support contains 14 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 63 transition count 505
Applied a total of 2 rules in 31 ms. Remains 63 /64 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:13:15] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2025-06-01 02:13:15] [INFO ] Computed 5 invariants in 1 ms
[2025-06-01 02:13:15] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:13:17] [INFO ] Deduced a trap composed of 5 places in 136 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 591 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40596ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40599ms
[2025-06-01 02:13:56] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:13:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:13:56] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-01 02:13:56] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:13:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:13:56] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:13:56] [INFO ] Implicit Places using invariants and state equation in 312 ms returned []
Implicit Place search using SMT with State Equation took 447 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 02:13:56] [INFO ] Redundant transitions in 43 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 02:13:56] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:13:56] [INFO ] Invariant cache hit.
[2025-06-01 02:13:56] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:13:59] [INFO ] Deduced a trap composed of 5 places in 141 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:14:09] [INFO ] Deduced a trap composed of 14 places in 102 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 26855 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:14:42] [INFO ] Deduced a trap composed of 4 places in 66 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57389ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 57392ms
Starting structural reductions in SI_LTL mode, iteration 1 : 63/64 places, 505/506 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 98520 ms. Remains : 63/64 places, 505/506 transitions.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/63 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p1) (NOT p2) (NOT p0))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X p1), (X (NOT p1)), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 10 factoid took 1055 ms. Reduced automaton from 7 states, 21 edges and 3 AP (stutter insensitive) to 7 states, 21 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 368 ms :[true, (AND p1 p2), p1, p2, p2, p2, p2]
RANDOM walk for 40000 steps (256 resets) in 464 ms. (86 steps per ms) remains 1/9 properties
BEST_FIRST walk for 40001 steps (128 resets) in 293 ms. (136 steps per ms) remains 1/1 properties
[2025-06-01 02:14:55] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:14:55] [INFO ] Invariant cache hit.
[2025-06-01 02:14:55] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf6 is UNSAT
After SMT solving in domain Real declared 13/188 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 1/5 constraints, State Equation: 0/63 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p1) (NOT p2)))]
False Knowledge obtained : [(X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p1) (NOT p2) (NOT p0))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X p1), (X (NOT p1)), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p1 (NOT p2) (NOT p0)))), (F (NOT (AND p1 (NOT p2)))), (F (NOT (OR p1 p2 p0))), (F p2), (F (NOT (OR p1 (NOT p0)))), (F (NOT (OR p1 p2 (NOT p0)))), (F (NOT p1)), (F p0)]
Knowledge based reduction with 11 factoid took 2042 ms. Reduced automaton from 7 states, 21 edges and 3 AP (stutter insensitive) to 7 states, 21 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 352 ms :[true, p1, (AND p1 p2), p2, p2, p2, p2]
Stuttering acceptance computed with spot in 351 ms :[true, p1, (AND p1 p2), p2, p2, p2, p2]
Stuttering acceptance computed with spot in 343 ms :[true, p1, (AND p1 p2), p2, p2, p2, p2]
Product exploration explored 100000 steps with 24877 reset in 607 ms.
Product exploration explored 100000 steps with 25091 reset in 423 ms.
Built C files in :
/tmp/ltsmin11378105514762067404
[2025-06-01 02:14:59] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2025-06-01 02:14:59] [INFO ] Computation of Complete disable matrix. took 31 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:14:59] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2025-06-01 02:14:59] [INFO ] Computation of Complete enable matrix. took 25 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:15:00] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2025-06-01 02:15:00] [INFO ] Computation of Completed DNA matrix. took 46 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:15:00] [INFO ] Built C files in 317ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11378105514762067404
Running compilation step : cd /tmp/ltsmin11378105514762067404;'/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'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11378105514762067404;'/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' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11378105514762067404;'/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' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 14 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 40 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:15:03] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:15:03] [INFO ] Invariant cache hit.
[2025-06-01 02:15:03] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:15:06] [INFO ] Deduced a trap composed of 5 places in 166 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:15:17] [INFO ] Deduced a trap composed of 14 places in 137 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40840ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40842ms
[2025-06-01 02:15:44] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:15:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:15:44] [INFO ] Implicit Places using invariants in 127 ms returned []
[2025-06-01 02:15:44] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:15:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:15:44] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:15:44] [INFO ] Implicit Places using invariants and state equation in 443 ms returned []
Implicit Place search using SMT with State Equation took 573 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 02:15:44] [INFO ] Redundant transitions in 20 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 02:15:44] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:15:44] [INFO ] Invariant cache hit.
[2025-06-01 02:15:44] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:15:48] [INFO ] Deduced a trap composed of 5 places in 178 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:16:00] [INFO ] Deduced a trap composed of 14 places in 126 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 28604 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:16:32] [INFO ] Deduced a trap composed of 4 places in 101 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59391ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 59393ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 100882 ms. Remains : 63/63 places, 505/505 transitions.
Built C files in :
/tmp/ltsmin10803484976464443125
[2025-06-01 02:16:44] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2025-06-01 02:16:44] [INFO ] Computation of Complete disable matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:16:44] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2025-06-01 02:16:44] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:16:44] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2025-06-01 02:16:44] [INFO ] Computation of Completed DNA matrix. took 62 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:16:44] [INFO ] Built C files in 206ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10803484976464443125
Running compilation step : cd /tmp/ltsmin10803484976464443125;'/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 2823 ms.
Running link step : cd /tmp/ltsmin10803484976464443125;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 82 ms.
Running LTSmin : cd /tmp/ltsmin10803484976464443125;'/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/stateBased5206298196421239196.hoa' '--buchi-type=spotba'
LTSmin run took 2532 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-07 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-07 finished in 259896 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(F((F(p0)&&X(p1)))))'
Support contains 44 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 6 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:16:49] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 02:16:49] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 02:16:49] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:16:53] [INFO ] Deduced a trap composed of 5 places in 178 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40898ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40900ms
[2025-06-01 02:17:30] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:17:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:17:30] [INFO ] Implicit Places using invariants in 160 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 162 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41077 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 163 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-08
Product exploration explored 100000 steps with 33333 reset in 623 ms.
Product exploration explored 100000 steps with 33333 reset in 454 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/63 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 51 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-08 finished in 42415 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 X((!p0 U (G(!p0)||(!p0&&G(p1)))))))'
Support contains 46 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:17:32] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 02:17:32] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 02:17:32] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:17:35] [INFO ] Deduced a trap composed of 5 places in 187 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:17:47] [INFO ] Deduced a trap composed of 14 places in 135 ms of which 5 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40825ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40828ms
[2025-06-01 02:18:13] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:18:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:18:13] [INFO ] Implicit Places using invariants in 144 ms returned [47]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 147 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40984 ms. Remains : 65/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 234 ms :[true, p0, (NOT p1), (AND p0 (NOT p1)), p0, p0]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-10
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-10 finished in 41239 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(F(!p0)))&&(!p0||X(F((G(F(!p0))||(p1&&F(!p0)))))))))'
Support contains 55 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 6 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:18:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 02:18:13] [INFO ] Computed 7 invariants in 1 ms
[2025-06-01 02:18:13] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:18:16] [INFO ] Deduced a trap composed of 5 places in 126 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40821ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40824ms
[2025-06-01 02:18:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:18:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:18:54] [INFO ] Implicit Places using invariants in 77 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 81 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 505/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40916 ms. Remains : 64/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 190 ms :[p0, p0, p0, p0, p0]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-11
Product exploration explored 100000 steps with 26052 reset in 390 ms.
Product exploration explored 100000 steps with 25980 reset in 528 ms.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (OR p0 (NOT p1)))), (X (X (NOT (OR p0 (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
Knowledge based reduction with 5 factoid took 350 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[p0, p0, p0]
RANDOM walk for 87 steps (0 resets) in 5 ms. (14 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (OR p0 (NOT p1)))), (X (X (NOT (OR p0 (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F p0)]
Knowledge based reduction with 5 factoid took 338 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[p0, p0, p0]
Stuttering acceptance computed with spot in 102 ms :[p0, p0, p0]
Support contains 23 out of 64 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 1 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:18:56] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2025-06-01 02:18:56] [INFO ] Computed 6 invariants in 1 ms
[2025-06-01 02:18:56] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:18:59] [INFO ] Deduced a trap composed of 5 places in 154 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:19:11] [INFO ] Deduced a trap composed of 14 places in 132 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 189/189 variables, and 92 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/594 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 594 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40571ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40573ms
[2025-06-01 02:19:37] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:19:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:19:37] [INFO ] Implicit Places using invariants in 80 ms returned []
[2025-06-01 02:19:37] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:19:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:19:37] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:19:37] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 325 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:19:37] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:19:37] [INFO ] Invariant cache hit.
[2025-06-01 02:19:37] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:19:40] [INFO ] Deduced a trap composed of 5 places in 172 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:19:53] [INFO ] Deduced a trap composed of 14 places in 98 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 92 constraints, problems are : Problem set: 0 solved, 502 unsolved in 29477 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/594 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 594 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60156ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60158ms
Finished structural reductions in LTL mode , in 1 iterations and 101060 ms. Remains : 64/64 places, 505/505 transitions.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 1 factoid took 129 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 116 ms :[p0, p0, p0]
RANDOM walk for 58 steps (0 resets) in 4 ms. (11 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F p0)]
Knowledge based reduction with 1 factoid took 150 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 116 ms :[p0, p0, p0]
Stuttering acceptance computed with spot in 120 ms :[p0, p0, p0]
Stuttering acceptance computed with spot in 138 ms :[p0, p0, p0]
Product exploration explored 100000 steps with 26083 reset in 845 ms.
Product exploration explored 100000 steps with 26076 reset in 504 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 143 ms :[p0, p0, p0]
Support contains 23 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 30 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 02:20:40] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:20:40] [INFO ] Invariant cache hit.
[2025-06-01 02:20:40] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:20:43] [INFO ] Deduced a trap composed of 5 places in 157 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:20:51] [INFO ] Deduced a trap composed of 14 places in 106 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 92 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/594 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 594 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40611ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40612ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 02:21:20] [INFO ] Redundant transitions in 13 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 02:21:20] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 02:21:20] [INFO ] Invariant cache hit.
[2025-06-01 02:21:20] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:21:23] [INFO ] Deduced a trap composed of 5 places in 166 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:21:34] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 92 constraints, problems are : Problem set: 0 solved, 502 unsolved in 24207 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/594 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 594 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55068ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 55071ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 95742 ms. Remains : 64/64 places, 505/505 transitions.
Built C files in :
/tmp/ltsmin18157441948899720948
[2025-06-01 02:22:16] [INFO ] Built C files in 15ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18157441948899720948
Running compilation step : cd /tmp/ltsmin18157441948899720948;'/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 1607 ms.
Running link step : cd /tmp/ltsmin18157441948899720948;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin18157441948899720948;'/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/stateBased7529614322262480411.hoa' '--buchi-type=spotba'
LTSmin run took 615 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-11 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-11 finished in 244934 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(G(p1)))))'
Support contains 46 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 39 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:22:18] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 02:22:18] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 02:22:18] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:22:21] [INFO ] Deduced a trap composed of 5 places in 159 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:22:32] [INFO ] Deduced a trap composed of 14 places in 136 ms of which 5 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40836ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40838ms
[2025-06-01 02:22:59] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:22:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:22:59] [INFO ] Implicit Places using invariants in 140 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 142 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 18 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 41041 ms. Remains : 65/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-13
Product exploration explored 100000 steps with 679 reset in 779 ms.
Product exploration explored 100000 steps with 680 reset in 698 ms.
Computed a total of 48 stabilizing places and 82 stable transitions
Computed a total of 48 stabilizing places and 82 stable transitions
Detected a total of 48/65 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X p1), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 176 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 195 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
RANDOM walk for 540 steps (2 resets) in 12 ms. (41 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X p1), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F p0)]
Knowledge based reduction with 6 factoid took 255 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Stuttering acceptance computed with spot in 152 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Support contains 46 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 26 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:23:02] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2025-06-01 02:23:02] [INFO ] Computed 6 invariants in 2 ms
[2025-06-01 02:23:02] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:23:05] [INFO ] Deduced a trap composed of 5 places in 168 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:23:17] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 191/191 variables, and 93 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/596 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 191/191 variables, and 596 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40905ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40907ms
[2025-06-01 02:23:42] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:23:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:23:43] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-06-01 02:23:43] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:23:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:23:43] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:23:43] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 279 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 02:23:43] [INFO ] Redundant transitions in 3 ms returned []
Running 503 sub problems to find dead transitions.
[2025-06-01 02:23:43] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:23:43] [INFO ] Invariant cache hit.
[2025-06-01 02:23:43] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:23:46] [INFO ] Deduced a trap composed of 5 places in 172 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 92 constraints, problems are : Problem set: 0 solved, 503 unsolved in 25848 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 191/191 variables, and 595 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56460ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 56461ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 97688 ms. Remains : 65/65 places, 506/506 transitions.
Computed a total of 48 stabilizing places and 82 stable transitions
Computed a total of 48 stabilizing places and 82 stable transitions
Detected a total of 48/65 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X p1), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 165 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 165 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
RANDOM walk for 598 steps (2 resets) in 11 ms. (49 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X p1), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F p0)]
Knowledge based reduction with 6 factoid took 257 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 149 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Stuttering acceptance computed with spot in 149 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Product exploration explored 100000 steps with 701 reset in 705 ms.
Product exploration explored 100000 steps with 717 reset in 516 ms.
Built C files in :
/tmp/ltsmin13264034448732686745
[2025-06-01 02:24:42] [INFO ] Computing symmetric may disable matrix : 506 transitions.
[2025-06-01 02:24:42] [INFO ] Computation of Complete disable matrix. took 13 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:24:42] [INFO ] Computing symmetric may enable matrix : 506 transitions.
[2025-06-01 02:24:42] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:24:42] [INFO ] Computing Do-Not-Accords matrix : 506 transitions.
[2025-06-01 02:24:42] [INFO ] Computation of Completed DNA matrix. took 19 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:24:42] [INFO ] Built C files in 174ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13264034448732686745
Running compilation step : cd /tmp/ltsmin13264034448732686745;'/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 2889 ms.
Running link step : cd /tmp/ltsmin13264034448732686745;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 73 ms.
Running LTSmin : cd /tmp/ltsmin13264034448732686745;'/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/stateBased3283377550061226118.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 46 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 19 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:24:57] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:24:57] [INFO ] Invariant cache hit.
[2025-06-01 02:24:57] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:24:59] [INFO ] Deduced a trap composed of 5 places in 188 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 92 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 191/191 variables, and 595 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40756ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40758ms
[2025-06-01 02:25:37] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:25:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:25:37] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-01 02:25:37] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:25:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:25:38] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:25:38] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 02:25:38] [INFO ] Redundant transitions in 3 ms returned []
Running 503 sub problems to find dead transitions.
[2025-06-01 02:25:38] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:25:38] [INFO ] Invariant cache hit.
[2025-06-01 02:25:38] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:25:40] [INFO ] Deduced a trap composed of 5 places in 161 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 92 constraints, problems are : Problem set: 0 solved, 503 unsolved in 25084 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 191/191 variables, and 595 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55700ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 55701ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 96740 ms. Remains : 65/65 places, 506/506 transitions.
Built C files in :
/tmp/ltsmin13753092659800718859
[2025-06-01 02:26:33] [INFO ] Computing symmetric may disable matrix : 506 transitions.
[2025-06-01 02:26:33] [INFO ] Computation of Complete disable matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:26:33] [INFO ] Computing symmetric may enable matrix : 506 transitions.
[2025-06-01 02:26:33] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:26:33] [INFO ] Computing Do-Not-Accords matrix : 506 transitions.
[2025-06-01 02:26:33] [INFO ] Computation of Completed DNA matrix. took 11 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:26:33] [INFO ] Built C files in 100ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13753092659800718859
Running compilation step : cd /tmp/ltsmin13753092659800718859;'/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 2359 ms.
Running link step : cd /tmp/ltsmin13753092659800718859;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 72 ms.
Running LTSmin : cd /tmp/ltsmin13753092659800718859;'/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/stateBased17935721202101802676.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 02:26:49] [INFO ] Flatten gal took : 41 ms
[2025-06-01 02:26:49] [INFO ] Flatten gal took : 38 ms
[2025-06-01 02:26:49] [INFO ] Time to serialize gal into /tmp/LTL17465550722561133125.gal : 14 ms
[2025-06-01 02:26:49] [INFO ] Time to serialize properties into /tmp/LTL3311285816107251695.prop : 2 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/LTL17465550722561133125.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15494148772478508337.hoa' '-atoms' '/tmp/LTL3311285816107251695.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/LTL3311285816107251695.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15494148772478508337.hoa
Detected timeout of ITS tools.
[2025-06-01 02:27:04] [INFO ] Flatten gal took : 30 ms
[2025-06-01 02:27:04] [INFO ] Flatten gal took : 31 ms
[2025-06-01 02:27:04] [INFO ] Time to serialize gal into /tmp/LTL10351338967569929253.gal : 10 ms
[2025-06-01 02:27:04] [INFO ] Time to serialize properties into /tmp/LTL982095872481672091.ltl : 3 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/LTL10351338967569929253.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL982095872481672091.ltl' '-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...275
Read 1 LTL properties
Checking formula 0 : !((G((F("((((((((CAPACITE<1)||(NB_ATTENTE_B_4<1))||((ATTENTE_B<1)||(CONTROLEUR_1<1)))&&(((CAPACITE<1)||(NB_ATTENTE_B_11<1))||((ATTENTE...2357
Formula 0 simplified : F(G!"((((((((CAPACITE<1)||(NB_ATTENTE_B_4<1))||((ATTENTE_B<1)||(CONTROLEUR_1<1)))&&(((CAPACITE<1)||(NB_ATTENTE_B_11<1))||((ATTENTE_B...2347
Detected timeout of ITS tools.
[2025-06-01 02:27:19] [INFO ] Flatten gal took : 28 ms
[2025-06-01 02:27:19] [INFO ] Applying decomposition
[2025-06-01 02:27:19] [INFO ] Flatten gal took : 36 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2929714002460846849.txt' '-o' '/tmp/graph2929714002460846849.bin' '-w' '/tmp/graph2929714002460846849.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2929714002460846849.bin' '-l' '-1' '-v' '-w' '/tmp/graph2929714002460846849.weights' '-q' '0' '-e' '0.001'
[2025-06-01 02:27:19] [INFO ] Decomposing Gal with order
[2025-06-01 02:27:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 02:27:20] [INFO ] Removed a total of 1227 redundant transitions.
[2025-06-01 02:27:20] [INFO ] Flatten gal took : 286 ms
[2025-06-01 02:27:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 151 labels/synchronizations in 50 ms.
[2025-06-01 02:27:20] [INFO ] Time to serialize gal into /tmp/LTL8752226310168061384.gal : 3 ms
[2025-06-01 02:27:20] [INFO ] Time to serialize properties into /tmp/LTL8293813121517992059.ltl : 2 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/LTL8752226310168061384.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8293813121517992059.ltl' '-c' '-stutter-deadlock'

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...254
Read 1 LTL properties
Checking formula 0 : !((G((F("((((((((i2.u0.CAPACITE<1)||(u1.NB_ATTENTE_B_4<1))||((u7.ATTENTE_B<1)||(i3.u6.CONTROLEUR_1<1)))&&(((i2.u0.CAPACITE<1)||(u7.NB_...2972
Formula 0 simplified : F(G!"((((((((i2.u0.CAPACITE<1)||(u1.NB_ATTENTE_B_4<1))||((u7.ATTENTE_B<1)||(i3.u6.CONTROLEUR_1<1)))&&(((i2.u0.CAPACITE<1)||(u7.NB_AT...2962
Reverse transition relation is NOT exact ! Due to transitions t0, t41, t42, t44, t84, t85, t226, t235, t266, t275, t431, t471, i2.u0.t20, i2.u0.t43, Inter...247
Computing Next relation with stutter on 20 deadlock states
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-13 finished in 316939 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||(G(p1) U X(X(p0)))))))'
Support contains 4 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:27:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 02:27:35] [INFO ] Computed 7 invariants in 1 ms
[2025-06-01 02:27:35] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:27:39] [INFO ] Deduced a trap composed of 5 places in 182 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:27:50] [INFO ] Deduced a trap composed of 14 places in 93 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40969ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40976ms
[2025-06-01 02:28:16] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:28:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:28:16] [INFO ] Implicit Places using invariants in 172 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 184 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 6 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41180 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 551 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N10-LTLFireability-14
Product exploration explored 100000 steps with 1663 reset in 599 ms.
Product exploration explored 100000 steps with 1644 reset in 365 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/64 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 226 ms. Reduced automaton from 10 states, 41 edges and 2 AP (stutter sensitive) to 13 states, 41 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 587 ms :[(NOT p0), false, false, false, false, false, (NOT p0), (AND (NOT p1) (NOT p0)), false, false, false, false, false]
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 40000 steps (224 resets) in 214 ms. (186 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40002 steps (100 resets) in 217 ms. (183 steps per ms) remains 1/1 properties
[2025-06-01 02:28:19] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2025-06-01 02:28:19] [INFO ] Computed 5 invariants in 1 ms
[2025-06-01 02:28:19] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Real declared 9/190 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 2/5 constraints, State Equation: 0/64 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p1) (NOT p0)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p0)))), (F (NOT (AND (NOT p1) (NOT p0)))), (F p1), (F p0), (F (NOT (OR (NOT p1) p0))), (F (NOT (OR p1 (NOT p0))))]
Knowledge based reduction with 13 factoid took 610 ms. Reduced automaton from 13 states, 41 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2025-06-01 02:28:19] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:28:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 02:28:20] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-01 02:28:20] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2025-06-01 02:28:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 02:28:20] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-01 02:28:20] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2025-06-01 02:28:20] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:28:20] [INFO ] [Nat]Added 20 Read/Feed constraints in 34 ms returned sat
[2025-06-01 02:28:20] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 31 ms.
[2025-06-01 02:28:20] [INFO ] Added : 29 causal constraints over 9 iterations in 286 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 64 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 24 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 02:28:20] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:28:20] [INFO ] Invariant cache hit.
[2025-06-01 02:28:20] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:28:23] [INFO ] Deduced a trap composed of 5 places in 97 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:28:38] [INFO ] Deduced a trap composed of 14 places in 102 ms of which 3 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40745ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40747ms
[2025-06-01 02:29:01] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:29:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:29:01] [INFO ] Implicit Places using invariants in 213 ms returned []
[2025-06-01 02:29:01] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:29:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 02:29:02] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:29:02] [INFO ] Implicit Places using invariants and state equation in 330 ms returned []
Implicit Place search using SMT with State Equation took 547 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 02:29:02] [INFO ] Redundant transitions in 6 ms returned []
Running 503 sub problems to find dead transitions.
[2025-06-01 02:29:02] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:29:02] [INFO ] Invariant cache hit.
[2025-06-01 02:29:02] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:29:05] [INFO ] Deduced a trap composed of 5 places in 127 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 02:29:19] [INFO ] Deduced a trap composed of 14 places in 115 ms of which 6 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 0 solved, 503 unsolved in 26580 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57413ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 57415ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 98749 ms. Remains : 64/64 places, 506/506 transitions.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/64 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 103 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
RANDOM walk for 183 steps (0 resets) in 4 ms. (36 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 115 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
[2025-06-01 02:30:00] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 02:30:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 02:30:00] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-01 02:30:00] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2025-06-01 02:30:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 02:30:00] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2025-06-01 02:30:00] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2025-06-01 02:30:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 02:30:00] [INFO ] [Nat]Added 20 Read/Feed constraints in 30 ms returned sat
[2025-06-01 02:30:00] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 26 ms.
[2025-06-01 02:30:01] [INFO ] Added : 29 causal constraints over 9 iterations in 254 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering criterion allowed to conclude after 169 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P10N10-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N10-LTLFireability-14 finished in 145821 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(G(p1)))))'
[2025-06-01 02:30:01] [INFO ] Flatten gal took : 28 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin14366297006561695997
[2025-06-01 02:30:01] [INFO ] Computing symmetric may disable matrix : 506 transitions.
[2025-06-01 02:30:01] [INFO ] Computation of Complete disable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:30:01] [INFO ] Applying decomposition
[2025-06-01 02:30:01] [INFO ] Computing symmetric may enable matrix : 506 transitions.
[2025-06-01 02:30:01] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 02:30:01] [INFO ] Flatten gal took : 25 ms
[2025-06-01 02:30:01] [INFO ] Computing Do-Not-Accords matrix : 506 transitions.
[2025-06-01 02:30:01] [INFO ] Computation of Completed DNA matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10973975100994277400.txt' '-o' '/tmp/graph10973975100994277400.bin' '-w' '/tmp/graph10973975100994277400.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10973975100994277400.bin' '-l' '-1' '-v' '-w' '/tmp/graph10973975100994277400.weights' '-q' '0' '-e' '0.001'
[2025-06-01 02:30:01] [INFO ] Decomposing Gal with order
[2025-06-01 02:30:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 02:30:01] [INFO ] Built C files in 107ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14366297006561695997
Running compilation step : cd /tmp/ltsmin14366297006561695997;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '720' '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'
[2025-06-01 02:30:01] [INFO ] Removed a total of 1173 redundant transitions.
[2025-06-01 02:30:01] [INFO ] Flatten gal took : 114 ms
[2025-06-01 02:30:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 125 labels/synchronizations in 9 ms.
[2025-06-01 02:30:01] [INFO ] Time to serialize gal into /tmp/LTLFireability57968461491771751.gal : 2 ms
[2025-06-01 02:30:01] [INFO ] Time to serialize properties into /tmp/LTLFireability8335287644414437146.ltl : 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/LTLFireability57968461491771751.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability8335287644414437146.ltl' '-c' '-stutter-deadlock'

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...274
Read 1 LTL properties
Checking formula 0 : !((G((F(!("((((((((u3.CAPACITE>=1)&&(u3.NB_ATTENTE_B_4>=1))&&((u3.ATTENTE_B>=1)&&(u2.CONTROLEUR_1>=1)))||(((u3.CAPACITE>=1)&&(u3.NB_AT...2824
Formula 0 simplified : F(G"((((((((u3.CAPACITE>=1)&&(u3.NB_ATTENTE_B_4>=1))&&((u3.ATTENTE_B>=1)&&(u2.CONTROLEUR_1>=1)))||(((u3.CAPACITE>=1)&&(u3.NB_ATTENTE...2810
Compilation finished in 2578 ms.
Running link step : cd /tmp/ltsmin14366297006561695997;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin14366297006561695997;'/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' '--ltl' '[]((<>(!(LTLAPp0==true))&&<>([]((LTLAPp1==true)))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2025-06-01 02:57:17] [INFO ] Applying decomposition
[2025-06-01 02:57:17] [INFO ] Flatten gal took : 166 ms
[2025-06-01 02:57:17] [INFO ] Decomposing Gal with order
[2025-06-01 02:57:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 02:57:18] [WARNING] Could not apply decomposition. Using flat GAL structure.
java.lang.RuntimeException: Could not find partition element corresponding to CAPACITE in partition [CONTROLEUR_0, CHOIX_0, VIDANGE_0],[CONTROLEUR_1, CHOIX_1, VIDANGE_1],[COMPTEUR_0],[COMPTEUR_1],[COMPTEUR_2],[COMPTEUR_3],[COMPTEUR_4],[COMPTEUR_5],[COMPTEUR_6],[COMPTEUR_7],[COMPTEUR_8],[COMPTEUR_9],[COMPTEUR_10],[NB_ATTENTE_A_0],[NB_ATTENTE_A_1],[NB_ATTENTE_A_2],[NB_ATTENTE_A_3],[NB_ATTENTE_A_4],[NB_ATTENTE_A_5],[NB_ATTENTE_A_6],[NB_ATTENTE_A_7],[NB_ATTENTE_A_8],[NB_ATTENTE_A_9],[NB_ATTENTE_A_10],[NB_ATTENTE_A_11],[NB_ATTENTE_A_12],[NB_ATTENTE_A_13],[NB_ATTENTE_A_14],[NB_ATTENTE_A_15],[NB_ATTENTE_A_16],[NB_ATTENTE_A_17],[NB_ATTENTE_A_18],[NB_ATTENTE_A_19],[NB_ATTENTE_A_20],[NB_ATTENTE_B_0],[NB_ATTENTE_B_1],[NB_ATTENTE_B_2],[NB_ATTENTE_B_3],[NB_ATTENTE_B_4],[NB_ATTENTE_B_5],[NB_ATTENTE_B_6],[NB_ATTENTE_B_7],[NB_ATTENTE_B_8],[NB_ATTENTE_B_9],[NB_ATTENTE_B_10],[NB_ATTENTE_B_11],[NB_ATTENTE_B_12],[NB_ATTENTE_B_13],[NB_ATTENTE_B_14],[NB_ATTENTE_B_15],[NB_ATTENTE_B_16],[NB_ATTENTE_B_17],[NB_ATTENTE_B_18],[NB_ATTENTE_B_19],[NB_ATTENTE_B_20],

at fr.lip6.move.gal.instantiate.CompositeBuilder$Partition.getIndex(CompositeBuilder.java:1421)
at fr.lip6.move.gal.instantiate.CompositeBuilder.galToCompositeWithPartition(CompositeBuilder.java:556)
at fr.lip6.move.gal.instantiate.CompositeBuilder.decomposeWithOrder(CompositeBuilder.java:147)
at fr.lip6.move.gal.application.mcc.MccTranslator.applyOrder(MccTranslator.java:133)
at fr.lip6.move.gal.application.mcc.MccTranslator.flattenSpec(MccTranslator.java:230)
at fr.lip6.move.gal.application.runner.its.MultiOrderRunner.runMultiITS(MultiOrderRunner.java:124)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:1028)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
[2025-06-01 02:57:18] [INFO ] Flatten gal took : 189 ms
[2025-06-01 02:57:18] [INFO ] Time to serialize gal into /tmp/LTLFireability3159822060167306144.gal : 61 ms
[2025-06-01 02:57:18] [INFO ] Time to serialize properties into /tmp/LTLFireability3507364904704239845.ltl : 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/LTLFireability3159822060167306144.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability3507364904704239845.ltl' '-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...297
Read 1 LTL properties
Checking formula 0 : !((G((F(!("((((((((CAPACITE>=1)&&(NB_ATTENTE_B_4>=1))&&((ATTENTE_B>=1)&&(CONTROLEUR_1>=1)))||(((CAPACITE>=1)&&(NB_ATTENTE_B_11>=1))&&(...2440
Formula 0 simplified : F(G"((((((((CAPACITE>=1)&&(NB_ATTENTE_B_4>=1))&&((ATTENTE_B>=1)&&(CONTROLEUR_1>=1)))||(((CAPACITE>=1)&&(NB_ATTENTE_B_11>=1))&&((ATTE...2426

BK_TIME_CONFINEMENT_REACHED

--------------------
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="BridgeAndVehicles-COL-V20P10N10"
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 BridgeAndVehicles-COL-V20P10N10, 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 r016-smll-174853764600180"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P10N10.tgz
mv BridgeAndVehicles-COL-V20P10N10 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 ;