About the Execution of ITS-Tools for BridgeAndVehicles-COL-V20P20N10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | ?F?FTFFFT?TF??FF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r016-smll-174853764600203.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-V20P20N10, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-smll-174853764600203
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K 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 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K 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-V20P20N10-LTLCardinality-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748767714881
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P20N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202505121319
[2025-06-01 08:48:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 08:48:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 08:48:37] [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 08:48:38] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-01 08:48:38] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1319 ms
[2025-06-01 08:48:38] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 68 PT places and 19578.0 transition bindings in 39 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 25 ms.
Working with output stream class java.io.PrintStream
[2025-06-01 08:48:39] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 9 ms.
[2025-06-01 08:48:39] [INFO ] Skeletonized 16 HLPN properties in 3 ms.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-05 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.6 ms
Remains 14 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.1 ms
RANDOM walk for 40000 steps (8 resets) in 1645 ms. (24 steps per ms) remains 6/24 properties
BEST_FIRST walk for 40002 steps (8 resets) in 575 ms. (69 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (8 resets) in 324 ms. (123 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (8 resets) in 253 ms. (157 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 243 ms. (163 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 169 ms. (235 steps per ms) remains 5/5 properties
// Phase 1: matrix 10 rows 12 cols
[2025-06-01 08:48:40] [INFO ] Computed 4 invariants in 7 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp14 is UNSAT
At refinement iteration 1 (OVERLAPS) 3/6 variables, 2/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 6/12 variables, 2/4 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/22 variables, 12/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/22 variables, 0/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 16 constraints, problems are : Problem set: 3 solved, 2 unsolved in 355 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 6/12 variables, 2/4 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/22 variables, 12/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 2/18 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 18 constraints, problems are : Problem set: 3 solved, 2 unsolved in 155 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 2/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 572ms problems are : Problem set: 3 solved, 2 unsolved
Finished Parikh walk after 108 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=108 )
Parikh walk visited 2 properties in 33 ms.
Successfully simplified 3 atomic propositions for a total of 14 simplifications.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-01 08:48:41] [INFO ] Flatten gal took : 22 ms
[2025-06-01 08:48:41] [INFO ] Flatten gal took : 4 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 08:48:41] [INFO ] Unfolded HLPN to a Petri net with 68 places and 548 transitions 4070 arcs in 69 ms.
[2025-06-01 08:48:41] [INFO ] Unfolded 13 HLPN properties in 0 ms.
Support contains 13 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Applied a total of 0 rules in 22 ms. Remains 68 /68 variables (removed 0) and now considering 548/548 (removed 0) transitions.
Running 545 sub problems to find dead transitions.
[2025-06-01 08:48:41] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 68 cols
[2025-06-01 08:48:41] [INFO ] Computed 7 invariants in 9 ms
[2025-06-01 08:48:41] [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 08:48:45] [INFO ] Deduced a trap composed of 5 places in 214 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 08:48:47] [INFO ] Deduced a trap composed of 14 places in 129 ms of which 3 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
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/9 constraints. Problems are: Problem set: 40 solved, 505 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 08:48:55] [INFO ] Deduced a trap composed of 6 places in 168 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 1/10 constraints. Problems are: Problem set: 40 solved, 505 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 68/198 variables, and 10 constraints, problems are : Problem set: 40 solved, 505 unsolved in 20073 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 0/68 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 545/545 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 40 solved, 505 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: 40 solved, 505 unsolved
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
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/9 constraints. Problems are: Problem set: 40 solved, 505 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 1/10 constraints. Problems are: Problem set: 40 solved, 505 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/10 constraints. Problems are: Problem set: 40 solved, 505 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 6 (OVERLAPS) 130/198 variables, 68/78 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 22/100 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 503/603 constraints. Problems are: Problem set: 42 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 198/198 variables, and 603 constraints, problems are : Problem set: 42 solved, 503 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 503/545 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41326ms problems are : Problem set: 42 solved, 503 unsolved
Search for dead transitions found 42 dead transitions in 41347ms
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 08:49:22] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 68 cols
[2025-06-01 08:49:22] [INFO ] Computed 9 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:49:22] [INFO ] Implicit Places using invariants in 195 ms returned []
[2025-06-01 08:49:22] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 08:49:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:49:22] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 08:49:23] [INFO ] Implicit Places using invariants and state equation in 339 ms returned []
Implicit Place search using SMT with State Equation took 542 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/68 places, 506/548 transitions.
Applied a total of 0 rules in 16 ms. Remains 68 /68 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41953 ms. Remains : 68/68 places, 506/548 transitions.
Support contains 13 out of 68 places after structural reductions.
[2025-06-01 08:49:23] [INFO ] Flatten gal took : 96 ms
[2025-06-01 08:49:23] [INFO ] Flatten gal took : 95 ms
[2025-06-01 08:49:23] [INFO ] Input system was already deterministic with 506 transitions.
RANDOM walk for 40002 steps (224 resets) in 1939 ms. (20 steps per ms) remains 4/21 properties
BEST_FIRST walk for 40003 steps (81 resets) in 200 ms. (199 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (80 resets) in 153 ms. (259 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (83 resets) in 188 ms. (211 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (84 resets) in 161 ms. (246 steps per ms) remains 4/4 properties
[2025-06-01 08:49:24] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 08:49:24] [INFO ] Invariant cache hit.
[2025-06-01 08:49:24] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp11 is UNSAT
At refinement iteration 1 (OVERLAPS) 6/9 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 6/15 variables, 2/4 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 42/57 variables, 4/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/57 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 126/183 variables, 57/65 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 20/85 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/183 variables, 0/85 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 11/194 variables, 11/96 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 1/97 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 97 constraints, problems are : Problem set: 2 solved, 2 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 68/68 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 08:49:24] [INFO ] Deduced a trap composed of 5 places in 43 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 1/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 2/5 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 42/57 variables, 4/9 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/57 variables, 0/9 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 126/183 variables, 57/66 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/183 variables, 20/86 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/183 variables, 1/87 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/183 variables, 0/87 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 11/194 variables, 11/98 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/194 variables, 1/99 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/194 variables, 1/100 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/194 variables, 0/100 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/194 variables, 0/100 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 100 constraints, problems are : Problem set: 2 solved, 2 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 68/68 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 706ms problems are : Problem set: 2 solved, 2 unsolved
Parikh walk visited 0 properties in 323 ms.
Support contains 3 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 506/506 transitions.
Graph (complete) has 554 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 65 transition count 505
Applied a total of 3 rules in 68 ms. Remains 65 /68 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 08:49:25] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 08:49:25] [INFO ] Computed 7 invariants in 3 ms
[2025-06-01 08:49:25] [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 08:49:28] [INFO ] Deduced a trap composed of 5 places in 131 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 08:49:38] [INFO ] Deduced a trap composed of 14 places in 125 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 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 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20029 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: 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) 0/65 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, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 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 596 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40529ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40533ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40605 ms. Remains : 65/68 places, 505/506 transitions.
RANDOM walk for 40000 steps (224 resets) in 322 ms. (123 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (81 resets) in 120 ms. (330 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40009 steps (83 resets) in 77 ms. (512 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 503211 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 2
Probabilistic random walk after 503211 steps, saw 125618 distinct states, run finished after 3009 ms. (steps per millisecond=167 ) properties seen :0
[2025-06-01 08:50:09] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:50:09] [INFO ] Invariant cache hit.
[2025-06-01 08:50:09] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/93 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 95/188 variables, 55/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/190 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/190 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 92 constraints, problems are : Problem set: 0 solved, 2 unsolved in 181 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: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/93 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 95/188 variables, 55/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/188 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/190 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 2 unsolved in 790 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: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 982ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 380 ms.
Support contains 3 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 34 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 65/65 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 32 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2025-06-01 08:50:10] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:50:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:50:10] [INFO ] Implicit Places using invariants in 235 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 239 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 63/65 places, 505/505 transitions.
Applied a total of 0 rules in 45 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 317 ms. Remains : 63/65 places, 505/505 transitions.
RANDOM walk for 40001 steps (224 resets) in 246 ms. (161 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (80 resets) in 96 ms. (412 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (84 resets) in 91 ms. (434 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 559357 steps, run timeout after 3001 ms. (steps per millisecond=186 ) properties seen :0 out of 2
Probabilistic random walk after 559357 steps, saw 138446 distinct states, run finished after 3001 ms. (steps per millisecond=186 ) properties seen :0
[2025-06-01 08:50:14] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2025-06-01 08:50:14] [INFO ] Computed 5 invariants in 3 ms
[2025-06-01 08:50:14] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/93 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 93/186 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/186 variables, 3/66 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 20/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/186 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/188 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 88 constraints, problems are : Problem set: 0 solved, 2 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/93 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 93/186 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/186 variables, 3/66 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 20/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/186 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/186 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/188 variables, 2/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 2 unsolved in 583 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 767ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 205 ms.
Support contains 3 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 22 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 63/63 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 16 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2025-06-01 08:50:15] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:50:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:50:15] [INFO ] Implicit Places using invariants in 196 ms returned []
[2025-06-01 08:50:15] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:50:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:50:15] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 08:50:15] [INFO ] Implicit Places using invariants and state equation in 295 ms returned []
Implicit Place search using SMT with State Equation took 492 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 08:50:15] [INFO ] Redundant transitions in 33 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 08:50:15] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:50:15] [INFO ] Invariant cache hit.
[2025-06-01 08:50:15] [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 08:50:18] [INFO ] Deduced a trap composed of 5 places in 143 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 08:50:29] [INFO ] Deduced a trap composed of 14 places in 82 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 30015 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
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 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60518ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60520ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61070 ms. Remains : 63/63 places, 505/505 transitions.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
Computed a total of 51 stabilizing places and 82 stable transitions
Graph (complete) has 1139 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.8 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Graph (complete) has 1139 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Discarding 2 places :
Also discarding 0 output transitions
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 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 65 transition count 505
Applied a total of 3 rules in 75 ms. Remains 65 /68 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 08:51:16] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 08:51:16] [INFO ] Computed 7 invariants in 3 ms
[2025-06-01 08:51:16] [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 08:51:19] [INFO ] Deduced a trap composed of 5 places in 167 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
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20024 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 40806ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40809ms
[2025-06-01 08:51:57] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:51:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:51:57] [INFO ] Implicit Places using invariants in 190 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 192 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 63/68 places, 505/506 transitions.
Applied a total of 0 rules in 20 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 41112 ms. Remains : 63/68 places, 505/506 transitions.
Stuttering acceptance computed with spot in 200 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-00
Product exploration explored 100000 steps with 663 reset in 900 ms.
Product exploration explored 100000 steps with 663 reset in 616 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 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 99 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 33 ms :[(NOT p0)]
RANDOM walk for 246 steps (0 resets) in 5 ms. (41 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 114 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 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Support contains 1 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 19 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 08:51:59] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2025-06-01 08:51:59] [INFO ] Computed 5 invariants in 1 ms
[2025-06-01 08:51:59] [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 08:52:02] [INFO ] Deduced a trap composed of 5 places in 184 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 08:52:14] [INFO ] Deduced a trap composed of 14 places in 82 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
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 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20022 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 40681ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40683ms
[2025-06-01 08:52:40] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:52:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:52:40] [INFO ] Implicit Places using invariants in 147 ms returned []
[2025-06-01 08:52:40] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:52:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:52:40] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 08:52:41] [INFO ] Implicit Places using invariants and state equation in 333 ms returned []
Implicit Place search using SMT with State Equation took 482 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 08:52:41] [INFO ] Redundant transitions in 21 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 08:52:41] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:52:41] [INFO ] Invariant cache hit.
[2025-06-01 08:52:41] [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 08:52:43] [INFO ] Deduced a trap composed of 5 places in 164 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 08:52:55] [INFO ] Deduced a trap composed of 14 places in 78 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 26049 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
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 Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30022 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 56805ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 56809ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 98024 ms. Remains : 63/63 places, 505/505 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 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 126 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 45 ms :[(NOT p0)]
RANDOM walk for 221 steps (0 resets) in 6 ms. (31 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 136 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 44 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Product exploration explored 100000 steps with 663 reset in 382 ms.
Product exploration explored 100000 steps with 663 reset in 583 ms.
Built C files in :
/tmp/ltsmin6421385038918717571
[2025-06-01 08:53:39] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2025-06-01 08:53:39] [INFO ] Computation of Complete disable matrix. took 31 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:53:39] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2025-06-01 08:53:39] [INFO ] Computation of Complete enable matrix. took 23 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:53:39] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2025-06-01 08:53:39] [INFO ] Computation of Completed DNA matrix. took 43 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:53:39] [INFO ] Built C files in 285ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6421385038918717571
Running compilation step : cd /tmp/ltsmin6421385038918717571;'/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 2768 ms.
Running link step : cd /tmp/ltsmin6421385038918717571;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 74 ms.
Running LTSmin : cd /tmp/ltsmin6421385038918717571;'/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/stateBased18202470184593503100.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 1 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 19 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 08:53:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:53:54] [INFO ] Invariant cache hit.
[2025-06-01 08:53:54] [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 08:53:57] [INFO ] Deduced a trap composed of 5 places in 163 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 08:54:08] [INFO ] Deduced a trap composed of 14 places in 78 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
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 20020 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 20017 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 40461ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40463ms
[2025-06-01 08:54:34] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:54:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:54:35] [INFO ] Implicit Places using invariants in 220 ms returned []
[2025-06-01 08:54:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:54:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:54:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 08:54:35] [INFO ] Implicit Places using invariants and state equation in 438 ms returned []
Implicit Place search using SMT with State Equation took 669 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 08:54:35] [INFO ] Redundant transitions in 8 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 08:54:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:54:35] [INFO ] Invariant cache hit.
[2025-06-01 08:54:35] [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 08:54:38] [INFO ] Deduced a trap composed of 5 places in 172 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 08:54:50] [INFO ] Deduced a trap composed of 14 places in 118 ms of which 4 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 27842 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
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 30020 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 58552ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 58556ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 99727 ms. Remains : 63/63 places, 505/505 transitions.
Built C files in :
/tmp/ltsmin13045150736306363307
[2025-06-01 08:55:34] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2025-06-01 08:55:34] [INFO ] Computation of Complete disable matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:55:34] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2025-06-01 08:55:34] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:55:34] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2025-06-01 08:55:34] [INFO ] Computation of Completed DNA matrix. took 61 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:55:34] [INFO ] Built C files in 206ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13045150736306363307
Running compilation step : cd /tmp/ltsmin13045150736306363307;'/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 2400 ms.
Running link step : cd /tmp/ltsmin13045150736306363307;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin13045150736306363307;'/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/stateBased9361461033118607121.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 08:55:49] [INFO ] Flatten gal took : 37 ms
[2025-06-01 08:55:49] [INFO ] Flatten gal took : 36 ms
[2025-06-01 08:55:49] [INFO ] Time to serialize gal into /tmp/LTL5221469070269055104.gal : 9 ms
[2025-06-01 08:55:49] [INFO ] Time to serialize properties into /tmp/LTL4466213368298749399.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5221469070269055104.gal' '-t' 'CGAL' '-hoa' '/tmp/aut8178617744561698976.hoa' '-atoms' '/tmp/LTL4466213368298749399.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL4466213368298749399.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut8178617744561698976.hoa
Detected timeout of ITS tools.
[2025-06-01 08:56:04] [INFO ] Flatten gal took : 46 ms
[2025-06-01 08:56:04] [INFO ] Flatten gal took : 45 ms
[2025-06-01 08:56:04] [INFO ] Time to serialize gal into /tmp/LTL12326823283270847255.gal : 18 ms
[2025-06-01 08:56:04] [INFO ] Time to serialize properties into /tmp/LTL15794329211424535045.ltl : 4 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/LTL12326823283270847255.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15794329211424535045.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...277
Read 1 LTL properties
Checking formula 0 : !((F(G("(SUR_PONT_A<2)"))))
Formula 0 simplified : GF!"(SUR_PONT_A<2)"
Detected timeout of ITS tools.
[2025-06-01 08:56:19] [INFO ] Flatten gal took : 27 ms
[2025-06-01 08:56:19] [INFO ] Applying decomposition
[2025-06-01 08:56:19] [INFO ] Flatten gal took : 27 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/graph18005366334540754819.txt' '-o' '/tmp/graph18005366334540754819.bin' '-w' '/tmp/graph18005366334540754819.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18005366334540754819.bin' '-l' '-1' '-v' '-w' '/tmp/graph18005366334540754819.weights' '-q' '0' '-e' '0.001'
[2025-06-01 08:56:20] [INFO ] Decomposing Gal with order
[2025-06-01 08:56:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 08:56:20] [INFO ] Removed a total of 1008 redundant transitions.
[2025-06-01 08:56:20] [INFO ] Flatten gal took : 200 ms
[2025-06-01 08:56:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 158 labels/synchronizations in 16 ms.
[2025-06-01 08:56:20] [INFO ] Time to serialize gal into /tmp/LTL16603122370929076821.gal : 3 ms
[2025-06-01 08:56:20] [INFO ] Time to serialize properties into /tmp/LTL2956026285656276989.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16603122370929076821.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL2956026285656276989.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...255
Read 1 LTL properties
Checking formula 0 : !((F(G("(i1.u2.SUR_PONT_A<2)"))))
Formula 0 simplified : GF!"(i1.u2.SUR_PONT_A<2)"
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-00 finished in 318755 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Graph (complete) has 1139 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 65 transition count 505
Applied a total of 3 rules in 31 ms. Remains 65 /68 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 08:56:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 08:56:35] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 08:56:35] [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) 0/65 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 08:56:38] [INFO ] Deduced a trap composed of 5 places in 168 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 08:56:49] [INFO ] Deduced a trap composed of 14 places in 127 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 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 94 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: 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) 0/65 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, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 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 596 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40695ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40697ms
[2025-06-01 08:57:16] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:57:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:57:16] [INFO ] Implicit Places using invariants in 201 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 203 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/68 places, 505/506 transitions.
Applied a total of 0 rules in 30 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 40962 ms. Remains : 64/68 places, 505/506 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-02
Product exploration explored 100000 steps with 586 reset in 569 ms.
Product exploration explored 100000 steps with 585 reset in 361 ms.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Detected a total of 47/64 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 92 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)]
RANDOM walk for 3780 steps (20 resets) in 21 ms. (171 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 129 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 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Support contains 2 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 18 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 08:57:17] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2025-06-01 08:57:17] [INFO ] Computed 6 invariants in 2 ms
[2025-06-01 08:57:17] [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 08:57:20] [INFO ] Deduced a trap composed of 5 places in 142 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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/91 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 08:57:36] [INFO ] Deduced a trap composed of 14 places in 131 ms of which 4 ms to minimize.
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 20022 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 20022 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 40467ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40470ms
[2025-06-01 08:57:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:57:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:57:58] [INFO ] Implicit Places using invariants in 132 ms returned []
[2025-06-01 08:57:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:57:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:57:58] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 08:57:58] [INFO ] Implicit Places using invariants and state equation in 310 ms returned []
Implicit Place search using SMT with State Equation took 444 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 08:57:58] [INFO ] Redundant transitions in 5 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 08:57:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:57:58] [INFO ] Invariant cache hit.
[2025-06-01 08:57:58] [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 08:58:01] [INFO ] Deduced a trap composed of 5 places in 176 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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/91 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 08:58:16] [INFO ] Deduced a trap composed of 14 places in 122 ms of which 5 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/189 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (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 28855 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 30024 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 59659ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 59661ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 100610 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
Detected a total of 47/64 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 140 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 52 ms :[(NOT p0)]
RANDOM walk for 4163 steps (22 resets) in 29 ms. (138 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 171 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 50 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Product exploration explored 100000 steps with 586 reset in 576 ms.
Product exploration explored 100000 steps with 586 reset in 372 ms.
Built C files in :
/tmp/ltsmin3751742711328761361
[2025-06-01 08:58:59] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2025-06-01 08:58:59] [INFO ] Computation of Complete disable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:58:59] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2025-06-01 08:58:59] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:58:59] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2025-06-01 08:58:59] [INFO ] Computation of Completed DNA matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 08:58:59] [INFO ] Built C files in 100ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3751742711328761361
Running compilation step : cd /tmp/ltsmin3751742711328761361;'/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 2573 ms.
Running link step : cd /tmp/ltsmin3751742711328761361;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin3751742711328761361;'/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/stateBased7800991518353964401.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 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 21 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 08:59:14] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:59:14] [INFO ] Invariant cache hit.
[2025-06-01 08:59:14] [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 08:59:17] [INFO ] Deduced a trap composed of 5 places in 157 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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/91 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 08:59:34] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 2 ms to minimize.
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 20022 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 20020 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 40709ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40711ms
[2025-06-01 08:59:55] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:59:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:59:55] [INFO ] Implicit Places using invariants in 139 ms returned []
[2025-06-01 08:59:55] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:59:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 08:59:55] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 08:59:56] [INFO ] Implicit Places using invariants and state equation in 274 ms returned []
Implicit Place search using SMT with State Equation took 414 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 08:59:56] [INFO ] Redundant transitions in 4 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 08:59:56] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 08:59:56] [INFO ] Invariant cache hit.
[2025-06-01 08:59:56] [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) 0/64 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 08:59:59] [INFO ] Deduced a trap composed of 5 places in 123 ms of which 3 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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/91 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 09:00:15] [INFO ] Deduced a trap composed of 14 places in 116 ms of which 5 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/189 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 0/92 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 30022 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 30022 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 60584ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60587ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 101747 ms. Remains : 64/64 places, 505/505 transitions.
Built C files in :
/tmp/ltsmin16317295804837566363
[2025-06-01 09:00:56] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2025-06-01 09:00:56] [INFO ] Computation of Complete disable matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:00:56] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2025-06-01 09:00:56] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:00:56] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2025-06-01 09:00:56] [INFO ] Computation of Completed DNA matrix. took 20 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:00:56] [INFO ] Built C files in 165ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16317295804837566363
Running compilation step : cd /tmp/ltsmin16317295804837566363;'/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 2490 ms.
Running link step : cd /tmp/ltsmin16317295804837566363;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin16317295804837566363;'/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/stateBased14544632821976426356.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 09:01:11] [INFO ] Flatten gal took : 23 ms
[2025-06-01 09:01:11] [INFO ] Flatten gal took : 24 ms
[2025-06-01 09:01:11] [INFO ] Time to serialize gal into /tmp/LTL8803698263425167813.gal : 6 ms
[2025-06-01 09:01:11] [INFO ] Time to serialize properties into /tmp/LTL5155052557703384003.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8803698263425167813.gal' '-t' 'CGAL' '-hoa' '/tmp/aut8726623162459066296.hoa' '-atoms' '/tmp/LTL5155052557703384003.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL5155052557703384003.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut8726623162459066296.hoa
Detected timeout of ITS tools.
[2025-06-01 09:01:26] [INFO ] Flatten gal took : 21 ms
[2025-06-01 09:01:26] [INFO ] Flatten gal took : 20 ms
[2025-06-01 09:01:26] [INFO ] Time to serialize gal into /tmp/LTL16143788651539727534.gal : 7 ms
[2025-06-01 09:01:26] [INFO ] Time to serialize properties into /tmp/LTL13202920921037552028.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16143788651539727534.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13202920921037552028.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...277
Read 1 LTL properties
Checking formula 0 : !((F(G("(ATTENTE_A<=CAPACITE)"))))
Formula 0 simplified : GF!"(ATTENTE_A<=CAPACITE)"
Detected timeout of ITS tools.
[2025-06-01 09:01:42] [INFO ] Flatten gal took : 21 ms
[2025-06-01 09:01:42] [INFO ] Applying decomposition
[2025-06-01 09:01:42] [INFO ] Flatten gal took : 20 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/graph5343046600704165121.txt' '-o' '/tmp/graph5343046600704165121.bin' '-w' '/tmp/graph5343046600704165121.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5343046600704165121.bin' '-l' '-1' '-v' '-w' '/tmp/graph5343046600704165121.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:01:42] [INFO ] Decomposing Gal with order
[2025-06-01 09:01:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:01:42] [INFO ] Removed a total of 474 redundant transitions.
[2025-06-01 09:01:42] [INFO ] Flatten gal took : 88 ms
[2025-06-01 09:01:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 153 labels/synchronizations in 6 ms.
[2025-06-01 09:01:42] [INFO ] Time to serialize gal into /tmp/LTL10912100346432468779.gal : 4 ms
[2025-06-01 09:01:42] [INFO ] Time to serialize properties into /tmp/LTL14265902626639987184.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10912100346432468779.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14265902626639987184.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...277
Read 1 LTL properties
Checking formula 0 : !((F(G("(gu0.ATTENTE_A<=gu0.CAPACITE)"))))
Formula 0 simplified : GF!"(gu0.ATTENTE_A<=gu0.CAPACITE)"
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-02 finished in 321978 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X((X(X(X(p0)))&&(p1 U (G(p1)||(p1&&G(p2)))))))))'
Support contains 4 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 506/506 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 506
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 65 transition count 505
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 65 transition count 505
Applied a total of 4 rules in 7 ms. Remains 65 /68 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:01:57] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 09:01:57] [INFO ] Computed 7 invariants in 1 ms
[2025-06-01 09:01:57] [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, 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 09:02:00] [INFO ] Deduced a trap composed of 5 places in 147 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:02:11] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 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 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20024 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: 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) 0/65 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, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 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 596 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40590ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40592ms
[2025-06-01 09:02:37] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:02:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:02:38] [INFO ] Implicit Places using invariants in 238 ms returned []
[2025-06-01 09:02:38] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:02:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:02:38] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:02:38] [INFO ] Implicit Places using invariants and state equation in 417 ms returned []
Implicit Place search using SMT with State Equation took 660 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:02:38] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:02:38] [INFO ] Invariant cache hit.
[2025-06-01 09:02:38] [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, 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 09:02:42] [INFO ] Deduced a trap composed of 5 places in 151 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
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 21680 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 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, 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 30021 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 52494ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 52496ms
Starting structural reductions in LTL mode, iteration 1 : 65/68 places, 505/506 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 93765 ms. Remains : 65/68 places, 505/506 transitions.
Stuttering acceptance computed with spot in 449 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p0), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-06
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-06 finished in 94252 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||G(!p0)))))'
Support contains 3 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 506/506 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 506
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 65 transition count 505
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 65 transition count 505
Applied a total of 4 rules in 11 ms. Remains 65 /68 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:03:31] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:03:31] [INFO ] Invariant cache hit.
[2025-06-01 09:03:31] [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 09:03:34] [INFO ] Deduced a trap composed of 5 places in 154 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
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 40800ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40802ms
[2025-06-01 09:04:12] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:04:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:04:12] [INFO ] Implicit Places using invariants in 145 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 146 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/68 places, 505/506 transitions.
Applied a total of 0 rules in 7 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 40968 ms. Remains : 64/68 places, 505/506 transitions.
Stuttering acceptance computed with spot in 85 ms :[true, (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 62 steps with 17 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-07 finished in 41076 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(!p0))'
Support contains 2 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Graph (complete) has 1139 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 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 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 63 transition count 504
Applied a total of 6 rules in 27 ms. Remains 63 /68 variables (removed 5) and now considering 504/506 (removed 2) transitions.
[2025-06-01 09:04:12] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
// Phase 1: matrix 124 rows 63 cols
[2025-06-01 09:04:12] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:04:12] [INFO ] Implicit Places using invariants in 154 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 155 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/68 places, 504/506 transitions.
Applied a total of 0 rules in 15 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 197 ms. Remains : 61/68 places, 504/506 transitions.
Stuttering acceptance computed with spot in 40 ms :[p0]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-08
Product exploration explored 100000 steps with 24992 reset in 535 ms.
Product exploration explored 100000 steps with 25088 reset in 550 ms.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 1 factoid took 152 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[p0]
RANDOM walk for 13 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 232 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[p0]
Stuttering acceptance computed with spot in 47 ms :[p0]
[2025-06-01 09:04:14] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
// Phase 1: matrix 124 rows 61 cols
[2025-06-01 09:04:14] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:04:15] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2025-06-01 09:04:15] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2025-06-01 09:04:15] [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 09:04:15] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-01 09:04:15] [INFO ] [Nat]Absence check using state equation in 96 ms returned sat
[2025-06-01 09:04:15] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:04:15] [INFO ] [Nat]Added 20 Read/Feed constraints in 72 ms returned sat
[2025-06-01 09:04:15] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 73 transitions) in 53 ms.
[2025-06-01 09:04:16] [INFO ] Added : 11 causal constraints over 3 iterations in 289 ms. Result :sat
Could not prove EG p0
Support contains 2 out of 61 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 61/61 places, 504/504 transitions.
Applied a total of 0 rules in 35 ms. Remains 61 /61 variables (removed 0) and now considering 504/504 (removed 0) transitions.
[2025-06-01 09:04:16] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2025-06-01 09:04:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:04:16] [INFO ] Implicit Places using invariants in 237 ms returned []
[2025-06-01 09:04:16] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2025-06-01 09:04:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:04:16] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:04:16] [INFO ] Implicit Places using invariants and state equation in 424 ms returned []
Implicit Place search using SMT with State Equation took 668 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:04:16] [INFO ] Redundant transitions in 6 ms returned []
Running 501 sub problems to find dead transitions.
[2025-06-01 09:04:16] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2025-06-01 09:04:16] [INFO ] Invariant cache hit.
[2025-06-01 09:04:16] [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) 0/61 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 501 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:04:19] [INFO ] Deduced a trap composed of 5 places in 190 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (OVERLAPS) 124/185 variables, 61/66 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 20/86 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 501 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:04:35] [INFO ] Deduced a trap composed of 14 places in 103 ms of which 4 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/185 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 501 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 185/185 variables, and 87 constraints, problems are : Problem set: 0 solved, 501 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 61/61 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 501 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (OVERLAPS) 124/185 variables, 61/67 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 20/87 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 501/588 constraints. Problems are: Problem set: 0 solved, 501 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 185/185 variables, and 588 constraints, problems are : Problem set: 0 solved, 501 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 61/61 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60740ms problems are : Problem set: 0 solved, 501 unsolved
Search for dead transitions found 0 dead transitions in 60743ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61462 ms. Remains : 61/61 places, 504/504 transitions.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 1 factoid took 222 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 ms :[p0]
RANDOM walk for 13 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 204 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[p0]
Stuttering acceptance computed with spot in 37 ms :[p0]
[2025-06-01 09:05:18] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2025-06-01 09:05:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:05:18] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2025-06-01 09:05:18] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2025-06-01 09:05:18] [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 09:05:19] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-01 09:05:19] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2025-06-01 09:05:19] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:05:19] [INFO ] [Nat]Added 20 Read/Feed constraints in 20 ms returned sat
[2025-06-01 09:05:19] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 73 transitions) in 37 ms.
[2025-06-01 09:05:19] [INFO ] Added : 11 causal constraints over 3 iterations in 157 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 51 ms :[p0]
Product exploration explored 100000 steps with 25063 reset in 445 ms.
Product exploration explored 100000 steps with 25028 reset in 444 ms.
Built C files in :
/tmp/ltsmin7565314593510384962
[2025-06-01 09:05:20] [INFO ] Computing symmetric may disable matrix : 504 transitions.
[2025-06-01 09:05:20] [INFO ] Computation of Complete disable matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:05:20] [INFO ] Computing symmetric may enable matrix : 504 transitions.
[2025-06-01 09:05:20] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:05:20] [INFO ] Computing Do-Not-Accords matrix : 504 transitions.
[2025-06-01 09:05:20] [INFO ] Computation of Completed DNA matrix. took 11 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:05:20] [INFO ] Built C files in 93ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7565314593510384962
Running compilation step : cd /tmp/ltsmin7565314593510384962;'/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 2415 ms.
Running link step : cd /tmp/ltsmin7565314593510384962;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 72 ms.
Running LTSmin : cd /tmp/ltsmin7565314593510384962;'/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/stateBased8226754510461219206.hoa' '--buchi-type=spotba'
LTSmin run took 2037 ms.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-08 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-08 finished in 72490 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(X(X(G(p0)))))) U (p0||F(p1))))'
Support contains 3 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Applied a total of 0 rules in 5 ms. Remains 68 /68 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:05:25] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 68 cols
[2025-06-01 09:05:25] [INFO ] Computed 9 invariants in 3 ms
[2025-06-01 09:05:25] [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, 3/3 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 4/7 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 09:05:28] [INFO ] Deduced a trap composed of 5 places in 156 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) 2/68 variables, 2/10 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 09:05:39] [INFO ] Deduced a trap composed of 6 places in 165 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:05:39] [INFO ] Deduced a trap composed of 6 places in 172 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 68/194 variables, and 12 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/68 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 3/3 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
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) 2/68 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 126/194 variables, 68/80 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 20/100 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 503/603 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 603 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 68/68 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40776ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40778ms
[2025-06-01 09:06:05] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:06:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:06:06] [INFO ] Implicit Places using invariants in 294 ms returned [24, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 296 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/68 places, 506/506 transitions.
Applied a total of 0 rules in 6 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41087 ms. Remains : 66/68 places, 506/506 transitions.
Stuttering acceptance computed with spot in 357 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-09
Product exploration explored 100000 steps with 1895 reset in 463 ms.
Product exploration explored 100000 steps with 1885 reset in 504 ms.
Computed a total of 49 stabilizing places and 82 stable transitions
Graph (complete) has 1053 edges and 66 vertex of which 64 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Computed a total of 49 stabilizing places and 82 stable transitions
Detected a total of 49/66 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 170 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 304 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 569 steps (2 resets) in 7 ms. (71 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p0), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p1)))), (F p1)]
Knowledge based reduction with 5 factoid took 378 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 359 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 350 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2025-06-01 09:06:09] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 09:06:09] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:06:09] [INFO ] [Real]Absence check using 7 positive place invariants in 11 ms returned sat
[2025-06-01 09:06:09] [INFO ] [Real]Absence check using state equation in 181 ms returned sat
[2025-06-01 09:06:09] [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 09:06:10] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2025-06-01 09:06:10] [INFO ] [Nat]Absence check using state equation in 178 ms returned sat
[2025-06-01 09:06:10] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:06:10] [INFO ] [Nat]Added 20 Read/Feed constraints in 428 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:06:11] [INFO ] Deduced a trap composed of 5 places in 163 ms of which 6 ms to minimize.
[2025-06-01 09:06:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 204 ms
[2025-06-01 09:06:11] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 31 ms.
[2025-06-01 09:06:11] [INFO ] Added : 27 causal constraints over 6 iterations in 298 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p0))
Support contains 3 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 09:06:11] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:06:11] [INFO ] Invariant cache hit.
[2025-06-01 09:06:11] [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 09:06:14] [INFO ] Deduced a trap composed of 5 places in 154 ms of which 5 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) 2/66 variables, 2/8 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 09:06:24] [INFO ] Deduced a trap composed of 6 places in 141 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:06:24] [INFO ] Deduced a trap composed of 6 places in 162 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
SMT process timed out in 20667ms, After SMT, problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 20671ms
[2025-06-01 09:06:32] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:06:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:06:32] [INFO ] Implicit Places using invariants in 237 ms returned []
[2025-06-01 09:06:32] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:06:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:06:32] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:06:32] [INFO ] Implicit Places using invariants and state equation in 408 ms returned []
Implicit Place search using SMT with State Equation took 647 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:06:32] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:06:32] [INFO ] Invariant cache hit.
[2025-06-01 09:06:32] [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 09:06:35] [INFO ] Deduced a trap composed of 5 places in 149 ms of which 5 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) 2/66 variables, 2/8 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 09:06:45] [INFO ] Deduced a trap composed of 6 places in 141 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:06:45] [INFO ] Deduced a trap composed of 6 places in 165 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/96 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 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 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) 2/66 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 503/599 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 09:07:24] [INFO ] Deduced a trap composed of 14 places in 121 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60769ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60772ms
Finished structural reductions in LTL mode , in 1 iterations and 82100 ms. Remains : 66/66 places, 506/506 transitions.
Computed a total of 49 stabilizing places and 82 stable transitions
Graph (complete) has 1053 edges and 66 vertex of which 64 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Computed a total of 49 stabilizing places and 82 stable transitions
Detected a total of 49/66 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 125 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 273 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 3115 steps (17 resets) in 25 ms. (119 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p1)))), (F p1)]
Knowledge based reduction with 3 factoid took 321 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 340 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 338 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2025-06-01 09:07:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:07:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:07:35] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2025-06-01 09:07:35] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2025-06-01 09:07:35] [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 09:07:36] [INFO ] [Nat]Absence check using 7 positive place invariants in 6 ms returned sat
[2025-06-01 09:07:36] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-01 09:07:36] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:07:36] [INFO ] [Nat]Added 20 Read/Feed constraints in 37 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:07:36] [INFO ] Deduced a trap composed of 5 places in 182 ms of which 8 ms to minimize.
[2025-06-01 09:07:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 225 ms
[2025-06-01 09:07:36] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 33 ms.
[2025-06-01 09:07:36] [INFO ] Added : 10 causal constraints over 2 iterations in 160 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p0))
Stuttering acceptance computed with spot in 339 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 1893 reset in 458 ms.
Product exploration explored 100000 steps with 1899 reset in 453 ms.
Applying partial POR strategy [true, true, false, false, false, false, false]
Stuttering acceptance computed with spot in 232 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT 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.
Applied a total of 0 rules in 19 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 09:07:38] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:07:38] [INFO ] Invariant cache hit.
[2025-06-01 09:07:38] [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 09:07:41] [INFO ] Deduced a trap composed of 5 places in 152 ms of which 5 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) 2/66 variables, 2/8 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 09:07:51] [INFO ] Deduced a trap composed of 6 places in 151 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:07:51] [INFO ] Deduced a trap composed of 6 places in 168 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
SMT process timed out in 20562ms, After SMT, problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 20563ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:07:58] [INFO ] Redundant transitions in 5 ms returned []
Running 503 sub problems to find dead transitions.
[2025-06-01 09:07:58] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:07:58] [INFO ] Invariant cache hit.
[2025-06-01 09:07:58] [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 09:08:02] [INFO ] Deduced a trap composed of 5 places in 161 ms of which 6 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) 2/66 variables, 2/8 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 09:08:12] [INFO ] Deduced a trap composed of 6 places in 147 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:08:12] [INFO ] Deduced a trap composed of 6 places in 168 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/96 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 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 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) 2/66 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 503/599 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 09:08:49] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60722ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60725ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 81324 ms. Remains : 66/66 places, 506/506 transitions.
Built C files in :
/tmp/ltsmin3742109645840553032
[2025-06-01 09:08:59] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3742109645840553032
Running compilation step : cd /tmp/ltsmin3742109645840553032;'/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 1601 ms.
Running link step : cd /tmp/ltsmin3742109645840553032;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin3742109645840553032;'/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/stateBased2292883840288271313.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 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 2 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 09:09:14] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:09:14] [INFO ] Invariant cache hit.
[2025-06-01 09:09:14] [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 09:09:17] [INFO ] Deduced a trap composed of 5 places in 100 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) 2/66 variables, 2/8 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 09:09:26] [INFO ] Deduced a trap composed of 6 places in 143 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:09:26] [INFO ] Deduced a trap composed of 6 places in 165 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 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")
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
SMT process timed out in 20695ms, After SMT, problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 20697ms
[2025-06-01 09:09:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:09:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:09:35] [INFO ] Implicit Places using invariants in 186 ms returned []
[2025-06-01 09:09:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:09:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:09:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:09:36] [INFO ] Implicit Places using invariants and state equation in 342 ms returned []
Implicit Place search using SMT with State Equation took 530 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:09:36] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:09:36] [INFO ] Invariant cache hit.
[2025-06-01 09:09:36] [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 09:09:39] [INFO ] Deduced a trap composed of 5 places in 150 ms of which 5 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) 2/66 variables, 2/8 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 09:09:49] [INFO ] Deduced a trap composed of 6 places in 136 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:09:49] [INFO ] Deduced a trap composed of 6 places in 161 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 19.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 1.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 (/ 29.0 2.0))
(s23 1.0)
(s24 (/ 1.0 2.0))
(s25 1.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 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) 2/66 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 503/599 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 09:10:27] [INFO ] Deduced a trap composed of 14 places in 119 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60709ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60711ms
Finished structural reductions in LTL mode , in 1 iterations and 81943 ms. Remains : 66/66 places, 506/506 transitions.
Built C files in :
/tmp/ltsmin9484660971388172001
[2025-06-01 09:10:36] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9484660971388172001
Running compilation step : cd /tmp/ltsmin9484660971388172001;'/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 1516 ms.
Running link step : cd /tmp/ltsmin9484660971388172001;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin9484660971388172001;'/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/stateBased11684532858303390812.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 09:10:52] [INFO ] Flatten gal took : 53 ms
[2025-06-01 09:10:52] [INFO ] Flatten gal took : 53 ms
[2025-06-01 09:10:52] [INFO ] Time to serialize gal into /tmp/LTL4996421847896699309.gal : 6 ms
[2025-06-01 09:10:52] [INFO ] Time to serialize properties into /tmp/LTL18188663264406000069.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4996421847896699309.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15789425179472410641.hoa' '-atoms' '/tmp/LTL18188663264406000069.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/LTL18188663264406000069.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15789425179472410641.hoa
Detected timeout of ITS tools.
[2025-06-01 09:11:07] [INFO ] Flatten gal took : 21 ms
[2025-06-01 09:11:07] [INFO ] Flatten gal took : 20 ms
[2025-06-01 09:11:07] [INFO ] Time to serialize gal into /tmp/LTL12459814750285095741.gal : 5 ms
[2025-06-01 09:11:07] [INFO ] Time to serialize properties into /tmp/LTL1730417260525251629.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/LTL12459814750285095741.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1730417260525251629.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...276
Read 1 LTL properties
Checking formula 0 : !(((X(X(X(X(X(G("(SORTI_B>=2)")))))))U(("(SORTI_B>=2)")||(F("(ROUTE_B<=SORTI_A)")))))
Formula 0 simplified : XXXXXF!"(SORTI_B>=2)" R (!"(SORTI_B>=2)" & G!"(ROUTE_B<=SORTI_A)")
Detected timeout of ITS tools.
[2025-06-01 09:11:22] [INFO ] Flatten gal took : 20 ms
[2025-06-01 09:11:22] [INFO ] Applying decomposition
[2025-06-01 09:11:22] [INFO ] Flatten gal took : 19 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/graph7216146085758405984.txt' '-o' '/tmp/graph7216146085758405984.bin' '-w' '/tmp/graph7216146085758405984.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7216146085758405984.bin' '-l' '-1' '-v' '-w' '/tmp/graph7216146085758405984.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:11:22] [INFO ] Decomposing Gal with order
[2025-06-01 09:11:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:11:22] [INFO ] Removed a total of 806 redundant transitions.
[2025-06-01 09:11:22] [INFO ] Flatten gal took : 142 ms
[2025-06-01 09:11:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 145 labels/synchronizations in 12 ms.
[2025-06-01 09:11:22] [INFO ] Time to serialize gal into /tmp/LTL16433204740004336432.gal : 2 ms
[2025-06-01 09:11:22] [INFO ] Time to serialize properties into /tmp/LTL10379270709097499463.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/LTL16433204740004336432.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10379270709097499463.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...277
Read 1 LTL properties
Checking formula 0 : !(((X(X(X(X(X(G("(gi1.gu3.SORTI_B>=2)")))))))U(("(gi1.gu3.SORTI_B>=2)")||(F("(gu1.ROUTE_B<=gu1.SORTI_A)")))))
Formula 0 simplified : XXXXXF!"(gi1.gu3.SORTI_B>=2)" R (!"(gi1.gu3.SORTI_B>=2)" & G!"(gu1.ROUTE_B<=gu1.SORTI_A)")
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-09 finished in 372505 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(F(!p0))))))'
Support contains 1 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 506/506 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 506
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 65 transition count 505
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 65 transition count 505
Applied a total of 4 rules in 7 ms. Remains 65 /68 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:11:37] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 09:11:37] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 09:11:37] [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 09:11:40] [INFO ] Deduced a trap composed of 5 places in 157 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:11:51] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 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 94 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: 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) 0/65 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, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 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 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20017 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40679ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40681ms
[2025-06-01 09:12:18] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:12:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:12:18] [INFO ] Implicit Places using invariants in 234 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 236 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/68 places, 505/506 transitions.
Applied a total of 0 rules in 5 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 40930 ms. Remains : 64/68 places, 505/506 transitions.
Stuttering acceptance computed with spot in 246 ms :[p0, p0, p0, p0, p0]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-10
Product exploration explored 100000 steps with 3164 reset in 541 ms.
Product exploration explored 100000 steps with 3201 reset in 357 ms.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Detected a total of 47/64 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 200 ms :[p0, p0, p0, p0, p0]
RANDOM walk for 36 steps (0 resets) in 5 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 141 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 240 ms :[p0, p0, p0, p0, p0]
Stuttering acceptance computed with spot in 243 ms :[p0, p0, p0, p0, p0]
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 3 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 09:12:20] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2025-06-01 09:12:20] [INFO ] Computed 6 invariants in 2 ms
[2025-06-01 09:12:20] [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, 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 09:12:23] [INFO ] Deduced a trap composed of 5 places in 160 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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/91 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 09:12:41] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 3 ms to minimize.
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 20016 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 20016 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 40835ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40837ms
[2025-06-01 09:13:01] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:13:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:13:01] [INFO ] Implicit Places using invariants in 151 ms returned []
[2025-06-01 09:13:01] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:13:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:13:01] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:13:02] [INFO ] Implicit Places using invariants and state equation in 377 ms returned []
Implicit Place search using SMT with State Equation took 530 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:13:02] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:13:02] [INFO ] Invariant cache hit.
[2025-06-01 09:13:02] [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, 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 09:13:05] [INFO ] Deduced a trap composed of 5 places in 153 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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/91 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 09:13:20] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 3 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/189 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (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 27761 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 30020 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 58504ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 58506ms
Finished structural reductions in LTL mode , in 1 iterations and 99881 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
Detected a total of 47/64 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 123 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[p0, p0, p0, p0, p0]
RANDOM walk for 33 steps (0 resets) in 4 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 141 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 238 ms :[p0, p0, p0, p0, p0]
Stuttering acceptance computed with spot in 238 ms :[p0, p0, p0, p0, p0]
Stuttering acceptance computed with spot in 235 ms :[p0, p0, p0, p0, p0]
Product exploration explored 100000 steps with 2988 reset in 539 ms.
Product exploration explored 100000 steps with 3068 reset in 355 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 192 ms :[p0, p0, p0, p0, p0]
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 505/505 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 64 transition count 505
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 33 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 09:14:03] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2025-06-01 09:14:03] [INFO ] Computed 6 invariants in 1 ms
[2025-06-01 09:14:03] [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) 0/64 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 09:14:06] [INFO ] Deduced a trap composed of 5 places in 132 ms of which 5 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
Problem TDEAD20 is UNSAT
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 1 solved, 501 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:14:17] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 1/92 constraints. Problems are: Problem set: 1 solved, 501 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 189/189 variables, and 92 constraints, problems are : Problem set: 1 solved, 501 unsolved in 20024 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: 1 solved, 501 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: 1 solved, 501 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 3 (OVERLAPS) 1/64 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 5 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 501/593 constraints. Problems are: Problem set: 1 solved, 501 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 593 constraints, problems are : Problem set: 1 solved, 501 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 501/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40691ms problems are : Problem set: 1 solved, 501 unsolved
Search for dead transitions found 1 dead transitions in 40694ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:14:43] [INFO ] Redundant transitions in 3 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 64/64 places, 504/505 transitions.
Graph (complete) has 1090 edges and 64 vertex of which 63 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 62 transition count 504
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 3 rules in 25 ms. Remains 62 /64 variables (removed 2) and now considering 504/504 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 62/64 places, 504/505 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 40766 ms. Remains : 62/64 places, 504/505 transitions.
Built C files in :
/tmp/ltsmin2623523617144572691
[2025-06-01 09:14:43] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2623523617144572691
Running compilation step : cd /tmp/ltsmin2623523617144572691;'/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 1598 ms.
Running link step : cd /tmp/ltsmin2623523617144572691;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 43 ms.
Running LTSmin : cd /tmp/ltsmin2623523617144572691;'/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/stateBased17416345127162542407.hoa' '--buchi-type=spotba'
LTSmin run took 6262 ms.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-10 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-10 finished in 194104 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(p0) U X(!p1)) U (!p2||X(p3))))'
Support contains 5 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 68 /68 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:14:51] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 68 cols
[2025-06-01 09:14:51] [INFO ] Computed 9 invariants in 2 ms
[2025-06-01 09:14:51] [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, 3/3 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 4/7 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 09:14:54] [INFO ] Deduced a trap composed of 5 places in 196 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) 2/68 variables, 2/10 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 09:15:05] [INFO ] Deduced a trap composed of 6 places in 116 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:15:05] [INFO ] Deduced a trap composed of 6 places in 137 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 68/194 variables, and 12 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/68 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 3/3 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
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) 2/68 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 126/194 variables, 68/80 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 20/100 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 503/603 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 603 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 68/68 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40647ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40648ms
[2025-06-01 09:15:32] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:15:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:15:32] [INFO ] Implicit Places using invariants in 214 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 217 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 67/68 places, 506/506 transitions.
Applied a total of 0 rules in 4 ms. Remains 67 /67 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40874 ms. Remains : 67/68 places, 506/506 transitions.
Stuttering acceptance computed with spot in 335 ms :[(AND p2 (NOT p3)), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-11
Product exploration explored 100000 steps with 2141 reset in 501 ms.
Product exploration explored 100000 steps with 2142 reset in 324 ms.
Computed a total of 50 stabilizing places and 82 stable transitions
Graph (complete) has 1096 edges and 67 vertex of which 65 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 50 stabilizing places and 82 stable transitions
Detected a total of 50/67 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 4/4 atomic propositions.
Knowledge obtained : [(AND p2 (NOT p0) p1 (NOT p3)), (X p2), (X (NOT p3)), (X (AND p2 (NOT p3))), (X (AND p1 (NOT p3))), (X (NOT (AND p2 (NOT p0) (NOT p1) (NOT p3)))), (X (AND (NOT p0) p1 (NOT p3))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT p3))), (X (X (AND p2 (NOT p3)))), (X (X (NOT p0))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p1 (NOT p3)))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (AND p2 (NOT p0) (NOT p1) (NOT p3)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1) (NOT p3))))), (X (X (AND (NOT p0) p1 (NOT p3)))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 17 factoid took 3218 ms. Reduced automaton from 6 states, 11 edges and 4 AP (stutter sensitive) to 6 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 347 ms :[(OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (224 resets) in 356 ms. (112 steps per ms) remains 1/8 properties
BEST_FIRST walk for 40008 steps (80 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
[2025-06-01 09:15:37] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 67 cols
[2025-06-01 09:15:37] [INFO ] Computed 8 invariants in 9 ms
[2025-06-01 09:15:37] [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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/28 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/29 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/50 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/50 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 82/132 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 48/180 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/180 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/182 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/193 variables, 11/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/193 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 224 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/28 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/29 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/50 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/50 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 82/132 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 48/180 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/180 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/180 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/182 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/182 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 11/193 variables, 11/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 407 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 663ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 1 out of 67 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 67/67 places, 506/506 transitions.
Graph (complete) has 511 edges and 67 vertex of which 65 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 64 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 64 transition count 505
Applied a total of 3 rules in 31 ms. Remains 64 /67 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:15:38] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2025-06-01 09:15:38] [INFO ] Computed 6 invariants in 2 ms
[2025-06-01 09:15:38] [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 09:15:41] [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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/91 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 91 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20016 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: 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) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/593 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 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20017 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: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40812ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40815ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40849 ms. Remains : 64/67 places, 505/506 transitions.
RANDOM walk for 40002 steps (224 resets) in 272 ms. (146 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (80 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 816781 steps, run timeout after 3001 ms. (steps per millisecond=272 ) properties seen :0 out of 1
Probabilistic random walk after 816781 steps, saw 198786 distinct states, run finished after 3001 ms. (steps per millisecond=272 ) properties seen :0
[2025-06-01 09:16:22] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:16:22] [INFO ] Invariant cache hit.
[2025-06-01 09:16:22] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/174 variables, 47/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/174 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/176 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/176 variables, 2/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 13/189 variables, 13/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 90 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/174 variables, 47/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/174 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/174 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/176 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 2/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/189 variables, 13/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 458 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 624ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 42 ms.
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 27 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 64/64 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 38 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2025-06-01 09:16:23] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:16:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:16:23] [INFO ] Implicit Places using invariants in 211 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 215 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 63/64 places, 505/505 transitions.
Applied a total of 0 rules in 20 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 273 ms. Remains : 63/64 places, 505/505 transitions.
RANDOM walk for 40001 steps (224 resets) in 284 ms. (140 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (80 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 850848 steps, run timeout after 3001 ms. (steps per millisecond=283 ) properties seen :0 out of 1
Probabilistic random walk after 850848 steps, saw 206736 distinct states, run finished after 3004 ms. (steps per millisecond=283 ) properties seen :0
[2025-06-01 09:16:26] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2025-06-01 09:16:26] [INFO ] Computed 5 invariants in 1 ms
[2025-06-01 09:16:26] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/173 variables, 46/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/175 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 2/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/175 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 13/188 variables, 13/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/173 variables, 46/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/173 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/175 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/175 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/175 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/188 variables, 13/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 1 unsolved in 378 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 587ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 13 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 63/63 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 12 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2025-06-01 09:16:27] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:16:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:16:27] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-01 09:16:27] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:16:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:16:27] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:16:27] [INFO ] Implicit Places using invariants and state equation in 272 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:16:27] [INFO ] Redundant transitions in 4 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 09:16:27] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:16:27] [INFO ] Invariant cache hit.
[2025-06-01 09:16:27] [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 09:16:30] [INFO ] Deduced a trap composed of 5 places in 150 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:16:41] [INFO ] Deduced a trap composed of 14 places in 101 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 30014 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
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 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60814ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60816ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61258 ms. Remains : 63/63 places, 505/505 transitions.
Knowledge obtained : [(AND p2 (NOT p0) p1 (NOT p3)), (X p2), (X (NOT p3)), (X (AND p2 (NOT p3))), (X (AND p1 (NOT p3))), (X (NOT (AND p2 (NOT p0) (NOT p1) (NOT p3)))), (X (AND (NOT p0) p1 (NOT p3))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT p3))), (X (X (AND p2 (NOT p3)))), (X (X (NOT p0))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p1 (NOT p3)))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (AND p2 (NOT p0) (NOT p1) (NOT p3)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1) (NOT p3))))), (X (X (AND (NOT p0) p1 (NOT p3)))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (AND p2 (NOT p3)))), (F (NOT (AND (NOT p0) p1))), (F (NOT (AND (NOT p0) p1 (NOT p3)))), (F (NOT (AND p1 (NOT p3)))), (F (NOT (OR p0 p1 (NOT p2) p3))), (F p3), (F (NOT p1)), (F p0)]
Knowledge based reduction with 17 factoid took 5158 ms. Reduced automaton from 6 states, 11 edges and 4 AP (stutter sensitive) to 6 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 224 ms :[(OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 226 ms :[(OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
[2025-06-01 09:17:33] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 67 cols
[2025-06-01 09:17:33] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:17:34] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2025-06-01 09:17:34] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 4 ms returned sat
[2025-06-01 09:17:34] [INFO ] [Real]Absence check using state equation in 220 ms returned sat
[2025-06-01 09:17:34] [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 09:17:35] [INFO ] [Nat]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-01 09:17:35] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 4 ms returned sat
[2025-06-01 09:17:35] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2025-06-01 09:17:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:17:35] [INFO ] [Nat]Added 20 Read/Feed constraints in 94 ms returned sat
[2025-06-01 09:17:35] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 30 ms.
[2025-06-01 09:17:35] [INFO ] Added : 12 causal constraints over 3 iterations in 256 ms. Result :sat
Could not prove EG (AND p2 (NOT p3))
[2025-06-01 09:17:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:17:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:17:36] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-01 09:17:36] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-01 09:17:36] [INFO ] [Real]Absence check using state equation in 166 ms returned sat
[2025-06-01 09:17:36] [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 09:17:36] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-01 09:17:36] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 6 ms returned sat
[2025-06-01 09:17:36] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2025-06-01 09:17:36] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:17:36] [INFO ] [Nat]Added 20 Read/Feed constraints in 32 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:17:36] [INFO ] Deduced a trap composed of 5 places in 119 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:17:36] [INFO ] Deduced a trap composed of 14 places in 88 ms of which 4 ms to minimize.
[2025-06-01 09:17:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 274 ms
[2025-06-01 09:17:36] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 11 ms.
[2025-06-01 09:17:36] [INFO ] Added : 11 causal constraints over 3 iterations in 173 ms. Result :sat
Could not prove EG (AND p1 (NOT p3))
Support contains 5 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 67 /67 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:17:37] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:17:37] [INFO ] Invariant cache hit.
[2025-06-01 09:17:37] [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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/6 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 09:17:39] [INFO ] Deduced a trap composed of 5 places in 97 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 2/67 variables, 2/9 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 09:17:50] [INFO ] Deduced a trap composed of 6 places in 139 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:17:50] [INFO ] Deduced a trap composed of 6 places in 170 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 67/193 variables, and 11 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): 2/2 constraints, State Equation: 0/67 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 2/67 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/11 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 09:18:01] [INFO ] Deduced a trap composed of 5 places in 179 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 126/193 variables, 67/79 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 20/99 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/193 variables, 503/602 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 193/193 variables, and 602 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): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40614ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40616ms
[2025-06-01 09:18:17] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:18:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:18:17] [INFO ] Implicit Places using invariants in 129 ms returned []
[2025-06-01 09:18:17] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:18:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:18:17] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:18:18] [INFO ] Implicit Places using invariants and state equation in 306 ms returned []
Implicit Place search using SMT with State Equation took 437 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:18:18] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:18:18] [INFO ] Invariant cache hit.
[2025-06-01 09:18:18] [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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/6 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 09:18:21] [INFO ] Deduced a trap composed of 5 places in 164 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 2/67 variables, 2/9 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 09:18:30] [INFO ] Deduced a trap composed of 6 places in 166 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:18:30] [INFO ] Deduced a trap composed of 6 places in 155 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 126/193 variables, 67/78 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 20/98 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 10 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 503 unsolved in 29971 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 2/67 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/11 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 09:18:52] [INFO ] Deduced a trap composed of 5 places in 180 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 126/193 variables, 67/79 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 20/99 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/193 variables, 503/602 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 09:19:14] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 193/193 variables, and 603 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60644ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60646ms
Finished structural reductions in LTL mode , in 1 iterations and 101704 ms. Remains : 67/67 places, 506/506 transitions.
Computed a total of 50 stabilizing places and 82 stable transitions
Graph (complete) has 1096 edges and 67 vertex of which 65 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Computed a total of 50 stabilizing places and 82 stable transitions
Detected a total of 50/67 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 4/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p3) p2), (X p2), (X (NOT p3)), (X (NOT (AND (NOT p0) (NOT p1) p2 (NOT p3)))), (X (AND p2 (NOT p3))), (X (AND p1 (NOT p3))), (X (AND (NOT p0) p1 (NOT p3))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT p3))), (X (X (AND p2 (NOT p3)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1) p2 (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2 (NOT p3))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p1 (NOT p3)))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (AND (NOT p0) p1 (NOT p3)))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 17 factoid took 2771 ms. Reduced automaton from 6 states, 11 edges and 4 AP (stutter sensitive) to 6 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 223 ms :[(OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (224 resets) in 231 ms. (172 steps per ms) remains 1/8 properties
BEST_FIRST walk for 40003 steps (80 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
[2025-06-01 09:19:21] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:19:21] [INFO ] Invariant cache hit.
[2025-06-01 09:19:21] [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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/28 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/29 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/50 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/50 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 82/132 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 48/180 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/180 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/182 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/193 variables, 11/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/193 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/28 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/29 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/50 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/50 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 82/132 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 48/180 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/180 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/180 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/182 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/182 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 11/193 variables, 11/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 407 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 553ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 1 out of 67 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 67/67 places, 506/506 transitions.
Graph (complete) has 511 edges and 67 vertex of which 65 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 64 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 64 transition count 505
Applied a total of 3 rules in 26 ms. Remains 64 /67 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:19:22] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2025-06-01 09:19:22] [INFO ] Computed 6 invariants in 1 ms
[2025-06-01 09:19:22] [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 09:19:25] [INFO ] Deduced a trap composed of 5 places in 195 ms of which 5 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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/91 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 91 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20022 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: 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) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
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
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/593 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 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20018 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: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40792ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40795ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40823 ms. Remains : 64/67 places, 505/506 transitions.
RANDOM walk for 40000 steps (224 resets) in 180 ms. (220 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (80 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 828582 steps, run timeout after 3001 ms. (steps per millisecond=276 ) properties seen :0 out of 1
Probabilistic random walk after 828582 steps, saw 201480 distinct states, run finished after 3001 ms. (steps per millisecond=276 ) properties seen :0
[2025-06-01 09:20:06] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:20:06] [INFO ] Invariant cache hit.
[2025-06-01 09:20:06] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/174 variables, 47/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/174 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/176 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/176 variables, 2/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 13/189 variables, 13/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 90 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/174 variables, 47/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/174 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/174 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/176 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 2/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/189 variables, 13/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 455 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 601ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 21 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 64/64 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 20 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2025-06-01 09:20:06] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:20:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:20:07] [INFO ] Implicit Places using invariants in 281 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 289 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 63/64 places, 505/505 transitions.
Applied a total of 0 rules in 20 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 331 ms. Remains : 63/64 places, 505/505 transitions.
RANDOM walk for 40000 steps (224 resets) in 298 ms. (133 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40013 steps (80 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 656070 steps, run timeout after 3001 ms. (steps per millisecond=218 ) properties seen :0 out of 1
Probabilistic random walk after 656070 steps, saw 160681 distinct states, run finished after 3001 ms. (steps per millisecond=218 ) properties seen :0
[2025-06-01 09:20:10] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2025-06-01 09:20:10] [INFO ] Computed 5 invariants in 1 ms
[2025-06-01 09:20:10] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/173 variables, 46/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/175 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 2/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/175 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 13/188 variables, 13/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/173 variables, 46/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/173 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/175 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/175 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/175 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/188 variables, 13/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 1 unsolved in 390 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 609ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 68 ms.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 20 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 63/63 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 19 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2025-06-01 09:20:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:20:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:20:11] [INFO ] Implicit Places using invariants in 231 ms returned []
[2025-06-01 09:20:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:20:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:20:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:20:11] [INFO ] Implicit Places using invariants and state equation in 420 ms returned []
Implicit Place search using SMT with State Equation took 659 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:20:11] [INFO ] Redundant transitions in 5 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 09:20:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:20:11] [INFO ] Invariant cache hit.
[2025-06-01 09:20:11] [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 09:20:15] [INFO ] Deduced a trap composed of 5 places in 160 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:20:27] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 4 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 30022 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
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 30023 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 60903ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60904ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61597 ms. Remains : 63/63 places, 505/505 transitions.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p3) p2), (X p2), (X (NOT p3)), (X (NOT (AND (NOT p0) (NOT p1) p2 (NOT p3)))), (X (AND p2 (NOT p3))), (X (AND p1 (NOT p3))), (X (AND (NOT p0) p1 (NOT p3))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT p3))), (X (X (AND p2 (NOT p3)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1) p2 (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2 (NOT p3))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p1 (NOT p3)))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (AND (NOT p0) p1 (NOT p3)))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (AND p2 (NOT p3)))), (F (NOT (AND (NOT p0) p1))), (F (NOT (AND (NOT p0) p1 (NOT p3)))), (F (NOT (AND p1 (NOT p3)))), (F (NOT (OR p0 p1 (NOT p2) p3))), (F p3), (F (NOT p1)), (F p0)]
Knowledge based reduction with 17 factoid took 4452 ms. Reduced automaton from 6 states, 11 edges and 4 AP (stutter sensitive) to 6 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 224 ms :[(OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 311 ms :[(OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
[2025-06-01 09:21:17] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 67 cols
[2025-06-01 09:21:17] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:21:18] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2025-06-01 09:21:18] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 5 ms returned sat
[2025-06-01 09:21:18] [INFO ] [Real]Absence check using state equation in 227 ms returned sat
[2025-06-01 09:21:18] [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 09:21:18] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-01 09:21:18] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 4 ms returned sat
[2025-06-01 09:21:19] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2025-06-01 09:21:19] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:21:19] [INFO ] [Nat]Added 20 Read/Feed constraints in 81 ms returned sat
[2025-06-01 09:21:19] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 16 ms.
[2025-06-01 09:21:19] [INFO ] Added : 12 causal constraints over 3 iterations in 206 ms. Result :sat
Could not prove EG (AND p2 (NOT p3))
[2025-06-01 09:21:19] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:21:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:21:19] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2025-06-01 09:21:19] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 4 ms returned sat
[2025-06-01 09:21:19] [INFO ] [Real]Absence check using state equation in 210 ms returned sat
[2025-06-01 09:21:20] [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 09:21:20] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:20] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-01 09:21:20] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2025-06-01 09:21:20] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:21:20] [INFO ] [Nat]Added 20 Read/Feed constraints in 38 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:21:20] [INFO ] Deduced a trap composed of 5 places in 175 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:21:20] [INFO ] Deduced a trap composed of 14 places in 146 ms of which 7 ms to minimize.
[2025-06-01 09:21:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 413 ms
[2025-06-01 09:21:20] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 20 ms.
[2025-06-01 09:21:21] [INFO ] Added : 11 causal constraints over 3 iterations in 286 ms. Result :sat
Could not prove EG (AND p1 (NOT p3))
Stuttering acceptance computed with spot in 338 ms :[(OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
Product exploration explored 100000 steps with 2196 reset in 532 ms.
Product exploration explored 100000 steps with 2123 reset in 545 ms.
Applying partial POR strategy [false, true, false, true, true, false]
Stuttering acceptance computed with spot in 332 ms :[(OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (AND (NOT p0) p1 (NOT p3)), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))), (NOT p0), (AND (NOT p0) p1), p1]
Support contains 5 out of 67 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 67/67 places, 506/506 transitions.
Applied a total of 0 rules in 20 ms. Remains 67 /67 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:21:23] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:21:23] [INFO ] Invariant cache hit.
[2025-06-01 09:21:23] [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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/6 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 09:21:26] [INFO ] Deduced a trap composed of 5 places in 153 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 2/67 variables, 2/9 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 09:21:37] [INFO ] Deduced a trap composed of 6 places in 143 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:21:37] [INFO ] Deduced a trap composed of 6 places in 182 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 67/193 variables, and 11 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): 2/2 constraints, State Equation: 0/67 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 2/67 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/11 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 09:21:47] [INFO ] Deduced a trap composed of 5 places in 194 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 126/193 variables, 67/79 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 20/99 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/193 variables, 503/602 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 193/193 variables, and 602 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): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40812ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40814ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:22:03] [INFO ] Redundant transitions in 3 ms returned []
Running 503 sub problems to find dead transitions.
[2025-06-01 09:22:03] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:22:03] [INFO ] Invariant cache hit.
[2025-06-01 09:22:03] [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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/6 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 09:22:07] [INFO ] Deduced a trap composed of 5 places in 174 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 2/67 variables, 2/9 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 09:22:18] [INFO ] Deduced a trap composed of 6 places in 148 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:22:18] [INFO ] Deduced a trap composed of 6 places in 165 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 126/193 variables, 67/78 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 20/98 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 2/67 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/11 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 09:22:38] [INFO ] Deduced a trap composed of 5 places in 128 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 126/193 variables, 67/79 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 20/99 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/193 variables, 503/602 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 09:23:01] [INFO ] Deduced a trap composed of 14 places in 116 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 193/193 variables, and 603 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60878ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60879ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 101727 ms. Remains : 67/67 places, 506/506 transitions.
Built C files in :
/tmp/ltsmin15188379205432394401
[2025-06-01 09:23:04] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15188379205432394401
Running compilation step : cd /tmp/ltsmin15188379205432394401;'/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 1784 ms.
Running link step : cd /tmp/ltsmin15188379205432394401;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 57 ms.
Running LTSmin : cd /tmp/ltsmin15188379205432394401;'/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/stateBased15406883908457011089.hoa' '--buchi-type=spotba'
LTSmin run took 290 ms.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-11 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-11 finished in 495237 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((F(p0) U p1)||X(X(X(X(G(!p2)))))))))'
Support contains 4 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 67 transition count 506
Applied a total of 1 rules in 4 ms. Remains 67 /68 variables (removed 1) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:23:07] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 67 cols
[2025-06-01 09:23:07] [INFO ] Computed 8 invariants in 2 ms
[2025-06-01 09:23:07] [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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 3/7 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 09:23:10] [INFO ] Deduced a trap composed of 5 places in 161 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) 1/67 variables, 1/9 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 09:23:21] [INFO ] Deduced a trap composed of 6 places in 143 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 67/193 variables, and 10 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/67 constraints, ReadFeed: 0/20 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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
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) 1/67 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 126/193 variables, 67/77 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 20/97 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 503/600 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 193/193 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40854ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40857ms
[2025-06-01 09:23:47] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:23:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:23:48] [INFO ] Implicit Places using invariants in 285 ms returned [24, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 287 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 65/68 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 41154 ms. Remains : 65/68 places, 506/506 transitions.
Stuttering acceptance computed with spot in 609 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-12
Product exploration explored 100000 steps with 8062 reset in 398 ms.
Product exploration explored 100000 steps with 7745 reset in 403 ms.
Computed a total of 48 stabilizing places and 82 stable transitions
Graph (complete) has 1052 edges and 65 vertex of which 64 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
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 2/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 480 ms. Reduced automaton from 12 states, 20 edges and 3 AP (stutter sensitive) to 12 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 672 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
RANDOM walk for 29 steps (0 resets) in 5 ms. (4 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) p2))), (F p0), (F (NOT (AND (NOT p0) (NOT p1) p2))), (F (NOT p2)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND (NOT p1) p2))), (F p1), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 10 factoid took 1103 ms. Reduced automaton from 12 states, 20 edges and 3 AP (stutter sensitive) to 12 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 621 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 663 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
[2025-06-01 09:23:53] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2025-06-01 09:23:53] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:23:53] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2025-06-01 09:23:53] [INFO ] [Real]Absence check using state equation in 125 ms returned sat
[2025-06-01 09:23:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:23:54] [INFO ] [Nat]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-01 09:23:54] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 09:23:54] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:23:54] [INFO ] [Nat]Added 20 Read/Feed constraints in 124 ms returned sat
[2025-06-01 09:23:54] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 15 ms.
[2025-06-01 09:23:54] [INFO ] Added : 10 causal constraints over 3 iterations in 105 ms. Result :sat
Could not prove EG (AND (NOT p1) p2)
Support contains 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 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.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:23:54] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:23:54] [INFO ] Invariant cache hit.
[2025-06-01 09:23:54] [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 09:23:57] [INFO ] Deduced a trap composed of 5 places in 157 ms of which 5 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) 1/65 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 09:24:07] [INFO ] Deduced a trap composed of 6 places in 139 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 65/191 variables, and 8 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 0/65 constraints, ReadFeed: 0/20 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, 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) 1/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/191 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (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 20018 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 40832ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40833ms
[2025-06-01 09:24:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:24:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:24:35] [INFO ] Implicit Places using invariants in 141 ms returned []
[2025-06-01 09:24:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:24:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:24:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:24:35] [INFO ] Implicit Places using invariants and state equation in 266 ms returned []
Implicit Place search using SMT with State Equation took 408 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:24:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:24:35] [INFO ] Invariant cache hit.
[2025-06-01 09:24:35] [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 09:24:39] [INFO ] Deduced a trap composed of 5 places in 156 ms of which 6 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) 1/65 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 09:24:49] [INFO ] Deduced a trap composed of 6 places in 141 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/191 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/93 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 09:25:04] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30026 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: 3/3 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) 1/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 503/597 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 597 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: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60800ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60801ms
Finished structural reductions in LTL mode , in 1 iterations and 102049 ms. Remains : 65/65 places, 506/506 transitions.
Computed a total of 48 stabilizing places and 82 stable transitions
Graph (complete) has 1052 edges and 65 vertex of which 64 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
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 2/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 497 ms. Reduced automaton from 12 states, 20 edges and 3 AP (stutter sensitive) to 12 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 697 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
RANDOM walk for 48 steps (0 resets) in 5 ms. (8 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) p2))), (F p0), (F (NOT (AND (NOT p0) (NOT p1) p2))), (F (NOT p2)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND (NOT p1) p2))), (F p1), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 10 factoid took 1700 ms. Reduced automaton from 12 states, 20 edges and 3 AP (stutter sensitive) to 12 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 660 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 652 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
[2025-06-01 09:25:40] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:25:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:25:41] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-01 09:25:41] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:25:41] [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 09:25:41] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-01 09:25:41] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2025-06-01 09:25:41] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:25:42] [INFO ] [Nat]Added 20 Read/Feed constraints in 392 ms returned sat
[2025-06-01 09:25:42] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 17 ms.
[2025-06-01 09:25:43] [INFO ] Added : 9 causal constraints over 3 iterations in 1258 ms. Result :sat
Could not prove EG (AND (NOT p1) p2)
Stuttering acceptance computed with spot in 615 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 7949 reset in 486 ms.
Product exploration explored 100000 steps with 7776 reset in 448 ms.
Applying partial POR strategy [false, false, false, false, false, false, false, false, true, true, true, true]
Stuttering acceptance computed with spot in 653 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Support contains 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 506/506 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 65 transition count 506
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 28 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 09:25:45] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2025-06-01 09:25:45] [INFO ] Computed 6 invariants in 1 ms
[2025-06-01 09:25:45] [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 09:25:48] [INFO ] Deduced a trap composed of 5 places in 165 ms of which 6 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) 1/65 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 09:25:58] [INFO ] Deduced a trap composed of 6 places in 147 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Problem TDEAD23 is UNSAT
At refinement iteration 6 (OVERLAPS) 126/191 variables, 65/73 constraints. Problems are: Problem set: 1 solved, 502 unsolved
SMT process timed out in 20832ms, After SMT, problems are : Problem set: 1 solved, 502 unsolved
Search for dead transitions found 1 dead transitions in 20834ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:26:06] [INFO ] Redundant transitions in 4 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 65/65 places, 505/506 transitions.
Graph (complete) has 1050 edges and 65 vertex of which 64 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 14 ms. Remains 64 /65 variables (removed 1) and now considering 505/505 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 64/65 places, 505/506 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 20889 ms. Remains : 64/65 places, 505/506 transitions.
Built C files in :
/tmp/ltsmin5611415638272523846
[2025-06-01 09:26:06] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5611415638272523846
Running compilation step : cd /tmp/ltsmin5611415638272523846;'/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 1574 ms.
Running link step : cd /tmp/ltsmin5611415638272523846;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 60 ms.
Running LTSmin : cd /tmp/ltsmin5611415638272523846;'/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/stateBased2674655687238771034.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 2 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 09:26:21] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2025-06-01 09:26:22] [INFO ] Computed 6 invariants in 1 ms
[2025-06-01 09:26:22] [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 09:26:24] [INFO ] Deduced a trap composed of 5 places in 97 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) 1/65 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 09:26:30] [INFO ] Deduced a trap composed of 6 places in 98 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/191 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/93 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 09:26:42] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 3 ms to minimize.
SMT process timed out in 20538ms, After SMT, problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 20539ms
[2025-06-01 09:26:42] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:26:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:26:42] [INFO ] Implicit Places using invariants in 155 ms returned []
[2025-06-01 09:26:42] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:26:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:26:42] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:26:42] [INFO ] Implicit Places using invariants and state equation in 276 ms returned []
Implicit Place search using SMT with State Equation took 433 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:26:42] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:26:42] [INFO ] Invariant cache hit.
[2025-06-01 09:26:42] [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 09:26:45] [INFO ] Deduced a trap composed of 5 places in 102 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) 1/65 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 09:26:51] [INFO ] Deduced a trap composed of 6 places in 91 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/191 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/93 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 09:27:02] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 4 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 11 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 27737 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: 3/3 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) 1/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 503/597 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 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30018 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: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58324ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 58325ms
Finished structural reductions in LTL mode , in 1 iterations and 79303 ms. Remains : 65/65 places, 506/506 transitions.
Built C files in :
/tmp/ltsmin17168146910706400955
[2025-06-01 09:27:41] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17168146910706400955
Running compilation step : cd /tmp/ltsmin17168146910706400955;'/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 1448 ms.
Running link step : cd /tmp/ltsmin17168146910706400955;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin17168146910706400955;'/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/stateBased16226142933848544725.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 09:27:56] [INFO ] Flatten gal took : 46 ms
[2025-06-01 09:27:56] [INFO ] Flatten gal took : 19 ms
[2025-06-01 09:27:56] [INFO ] Time to serialize gal into /tmp/LTL2315123844881514389.gal : 4 ms
[2025-06-01 09:27:56] [INFO ] Time to serialize properties into /tmp/LTL4148675873166636507.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2315123844881514389.gal' '-t' 'CGAL' '-hoa' '/tmp/aut3291176588620648966.hoa' '-atoms' '/tmp/LTL4148675873166636507.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL4148675873166636507.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut3291176588620648966.hoa
Detected timeout of ITS tools.
[2025-06-01 09:28:11] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:28:11] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:28:11] [INFO ] Time to serialize gal into /tmp/LTL13994999697825554591.gal : 4 ms
[2025-06-01 09:28:11] [INFO ] Time to serialize properties into /tmp/LTL17720856410992610299.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/LTL13994999697825554591.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17720856410992610299.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...277
Read 1 LTL properties
Checking formula 0 : !((X(G(((F("(SORTI_A>=1)"))U("(SUR_PONT_A>=1)"))||(X(X(X(X(G("((CHOIX_0+CHOIX_1)<1)"))))))))))
Formula 0 simplified : XF((G!"(SORTI_A>=1)" R !"(SUR_PONT_A>=1)") & XXXXF!"((CHOIX_0+CHOIX_1)<1)")
Detected timeout of ITS tools.
[2025-06-01 09:28:26] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:28:26] [INFO ] Applying decomposition
[2025-06-01 09:28:26] [INFO ] Flatten gal took : 15 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/graph18329610924825378471.txt' '-o' '/tmp/graph18329610924825378471.bin' '-w' '/tmp/graph18329610924825378471.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18329610924825378471.bin' '-l' '-1' '-v' '-w' '/tmp/graph18329610924825378471.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:28:26] [INFO ] Decomposing Gal with order
[2025-06-01 09:28:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:28:26] [INFO ] Removed a total of 515 redundant transitions.
[2025-06-01 09:28:26] [INFO ] Flatten gal took : 79 ms
[2025-06-01 09:28:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 147 labels/synchronizations in 21 ms.
[2025-06-01 09:28:26] [INFO ] Time to serialize gal into /tmp/LTL17320965203351871470.gal : 3 ms
[2025-06-01 09:28:26] [INFO ] Time to serialize properties into /tmp/LTL6889550367572539761.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17320965203351871470.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6889550367572539761.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...276
Read 1 LTL properties
Checking formula 0 : !((X(G(((F("(gi1.gu0.SORTI_A>=1)"))U("(gi1.gu0.SUR_PONT_A>=1)"))||(X(X(X(X(G("((gu2.CHOIX_0+gu2.CHOIX_1)<1)"))))))))))
Formula 0 simplified : XF((G!"(gi1.gu0.SORTI_A>=1)" R !"(gi1.gu0.SUR_PONT_A>=1)") & XXXXF!"((gu2.CHOIX_0+gu2.CHOIX_1)<1)")
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-12 finished in 335026 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)))'
Support contains 2 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Graph (complete) has 1139 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output 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 3 place count 65 transition count 505
Applied a total of 3 rules in 19 ms. Remains 65 /68 variables (removed 3) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:28:42] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-01 09:28:42] [INFO ] Computed 7 invariants in 1 ms
[2025-06-01 09:28:42] [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 09:28:44] [INFO ] Deduced a trap composed of 5 places in 102 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
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 16516 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 20019 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 37079ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 37080ms
[2025-06-01 09:29:19] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:29:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:29:19] [INFO ] Implicit Places using invariants in 174 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 175 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 63/68 places, 505/506 transitions.
Applied a total of 0 rules in 14 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 37290 ms. Remains : 63/68 places, 505/506 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-13
Product exploration explored 100000 steps with 806 reset in 368 ms.
Product exploration explored 100000 steps with 827 reset in 368 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 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 88 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 961 steps (5 resets) in 8 ms. (106 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 112 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Support contains 2 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 13 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 09:29:20] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2025-06-01 09:29:20] [INFO ] Computed 5 invariants in 1 ms
[2025-06-01 09:29:20] [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) 0/63 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 09:29:22] [INFO ] Deduced a trap composed of 5 places in 129 ms of which 4 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 09:29:30] [INFO ] Deduced a trap composed of 14 places in 78 ms of which 4 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 19460 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 20015 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 40002ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40003ms
[2025-06-01 09:30:00] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:30:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:30:00] [INFO ] Implicit Places using invariants in 131 ms returned []
[2025-06-01 09:30:00] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:30:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:30:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:30:01] [INFO ] Implicit Places using invariants and state equation in 286 ms returned []
Implicit Place search using SMT with State Equation took 419 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:30:01] [INFO ] Redundant transitions in 3 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 09:30:01] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:30:01] [INFO ] Invariant cache hit.
[2025-06-01 09:30:01] [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 09:30:03] [INFO ] Deduced a trap composed of 5 places in 101 ms of which 3 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:30:14] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 3 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (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 22935 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
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 30016 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 53443ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 53444ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 93890 ms. Remains : 63/63 places, 505/505 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 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 99 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 3685 steps (23 resets) in 18 ms. (193 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 111 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 815 reset in 350 ms.
Product exploration explored 100000 steps with 816 reset in 367 ms.
Built C files in :
/tmp/ltsmin13196276773666918281
[2025-06-01 09:30:55] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2025-06-01 09:30:55] [INFO ] Computation of Complete disable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:30:55] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2025-06-01 09:30:55] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:30:55] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2025-06-01 09:30:55] [INFO ] Computation of Completed DNA matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:30:55] [INFO ] Built C files in 100ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13196276773666918281
Running compilation step : cd /tmp/ltsmin13196276773666918281;'/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 2375 ms.
Running link step : cd /tmp/ltsmin13196276773666918281;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin13196276773666918281;'/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/stateBased5734794135752026575.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 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 13 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 09:31:10] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:31:10] [INFO ] Invariant cache hit.
[2025-06-01 09:31:10] [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 09:31:12] [INFO ] Deduced a trap composed of 5 places in 99 ms of which 3 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:31:23] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 3 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 20.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 1.0)
(s22 0.0)
(s23 1.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 (/ 1.0 2.0))
(s46 0.0)
(s47 1.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
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(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 20017 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 20015 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 40487ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40488ms
[2025-06-01 09:31:51] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:31:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:31:51] [INFO ] Implicit Places using invariants in 136 ms returned []
[2025-06-01 09:31:51] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:31:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:31:51] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:31:51] [INFO ] Implicit Places using invariants and state equation in 296 ms returned []
Implicit Place search using SMT with State Equation took 446 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:31:51] [INFO ] Redundant transitions in 3 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 09:31:51] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:31:51] [INFO ] Invariant cache hit.
[2025-06-01 09:31:51] [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 09:31:54] [INFO ] Deduced a trap composed of 5 places in 97 ms of which 3 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:32:05] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 4 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (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 23049 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
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 30014 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 53610ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 53612ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 94571 ms. Remains : 63/63 places, 505/505 transitions.
Built C files in :
/tmp/ltsmin7144594375345138730
[2025-06-01 09:32:45] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2025-06-01 09:32:45] [INFO ] Computation of Complete disable matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:32:45] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2025-06-01 09:32:45] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:32:45] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2025-06-01 09:32:45] [INFO ] Computation of Completed DNA matrix. took 18 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:32:45] [INFO ] Built C files in 116ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7144594375345138730
Running compilation step : cd /tmp/ltsmin7144594375345138730;'/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 2639 ms.
Running link step : cd /tmp/ltsmin7144594375345138730;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 72 ms.
Running LTSmin : cd /tmp/ltsmin7144594375345138730;'/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/stateBased11088610597774615253.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 09:33:00] [INFO ] Flatten gal took : 15 ms
[2025-06-01 09:33:00] [INFO ] Flatten gal took : 15 ms
[2025-06-01 09:33:00] [INFO ] Time to serialize gal into /tmp/LTL6133078671200460735.gal : 4 ms
[2025-06-01 09:33:00] [INFO ] Time to serialize properties into /tmp/LTL3899570200879186176.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6133078671200460735.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15826523127021580824.hoa' '-atoms' '/tmp/LTL3899570200879186176.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...318
Loading property file /tmp/LTL3899570200879186176.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15826523127021580824.hoa
Detected timeout of ITS tools.
[2025-06-01 09:33:15] [INFO ] Flatten gal took : 15 ms
[2025-06-01 09:33:15] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:33:15] [INFO ] Time to serialize gal into /tmp/LTL6022697536484088311.gal : 4 ms
[2025-06-01 09:33:15] [INFO ] Time to serialize properties into /tmp/LTL1858546195884928246.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6022697536484088311.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1858546195884928246.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("((ROUTE_A<1)||(SUR_PONT_B<2))"))))
Formula 0 simplified : FG!"((ROUTE_A<1)||(SUR_PONT_B<2))"
Detected timeout of ITS tools.
[2025-06-01 09:33:30] [INFO ] Flatten gal took : 15 ms
[2025-06-01 09:33:30] [INFO ] Applying decomposition
[2025-06-01 09:33:30] [INFO ] Flatten gal took : 15 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/graph18313729892177547814.txt' '-o' '/tmp/graph18313729892177547814.bin' '-w' '/tmp/graph18313729892177547814.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18313729892177547814.bin' '-l' '-1' '-v' '-w' '/tmp/graph18313729892177547814.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:33:30] [INFO ] Decomposing Gal with order
[2025-06-01 09:33:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:33:30] [INFO ] Removed a total of 1169 redundant transitions.
[2025-06-01 09:33:30] [INFO ] Flatten gal took : 62 ms
[2025-06-01 09:33:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 198 labels/synchronizations in 9 ms.
[2025-06-01 09:33:30] [INFO ] Time to serialize gal into /tmp/LTL10204740571937063402.gal : 1 ms
[2025-06-01 09:33:30] [INFO ] Time to serialize properties into /tmp/LTL8984614484395482745.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/LTL10204740571937063402.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8984614484395482745.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...255
Read 1 LTL properties
Checking formula 0 : !((G(F("((i1.u0.ROUTE_A<1)||(i0.u3.SUR_PONT_B<2))"))))
Formula 0 simplified : FG!"((i1.u0.ROUTE_A<1)||(i0.u3.SUR_PONT_B<2))"
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-13 finished in 303798 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Graph (complete) has 1139 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 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 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 63 transition count 504
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 10 place count 61 transition count 502
Applied a total of 10 rules in 28 ms. Remains 61 /68 variables (removed 7) and now considering 502/506 (removed 4) transitions.
[2025-06-01 09:33:45] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
// Phase 1: matrix 122 rows 61 cols
[2025-06-01 09:33:45] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:33:46] [INFO ] Implicit Places using invariants in 248 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 250 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 59/68 places, 502/506 transitions.
Applied a total of 0 rules in 21 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 300 ms. Remains : 59/68 places, 502/506 transitions.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-14
Stuttering criterion allowed to conclude after 125 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-14 finished in 368 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 U (G(p0)||p1)) U (G((p0 U (p1||G(p0))))||(X(X(X(p2)))&&(p0 U (p1||G(p0)))))))))'
Support contains 6 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 67 transition count 506
Applied a total of 1 rules in 4 ms. Remains 67 /68 variables (removed 1) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:33:46] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 67 cols
[2025-06-01 09:33:46] [INFO ] Computed 8 invariants in 1 ms
[2025-06-01 09:33:46] [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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 3/7 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 09:33:49] [INFO ] Deduced a trap composed of 5 places in 157 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) 1/67 variables, 1/9 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 09:34:00] [INFO ] Deduced a trap composed of 6 places in 154 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 20.0)
(s1 0.0)
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(s41 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 67/193 variables, and 10 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/67 constraints, ReadFeed: 0/20 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, 4/4 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
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) 1/67 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 126/193 variables, 67/77 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 20/97 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 503/600 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 193/193 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 67/67 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40783ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40785ms
[2025-06-01 09:34:27] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:34:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:34:27] [INFO ] Implicit Places using invariants in 160 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 161 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 65/68 places, 506/506 transitions.
Applied a total of 0 rules in 2 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 40956 ms. Remains : 65/68 places, 506/506 transitions.
Stuttering acceptance computed with spot in 668 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-15
Stuttering criterion allowed to conclude after 196 steps with 1 reset in 4 ms.
FORMULA BridgeAndVehicles-COL-V20P20N10-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-15 finished in 41692 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)))'
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)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(X(X(G(p0)))))) U (p0||F(p1))))'
Found a Lengthening insensitive property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-09
Stuttering acceptance computed with spot in 347 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 68 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Applied a total of 0 rules in 22 ms. Remains 68 /68 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:34:28] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 68 cols
[2025-06-01 09:34:28] [INFO ] Computed 9 invariants in 1 ms
[2025-06-01 09:34:28] [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, 3/3 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 4/7 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 09:34:31] [INFO ] Deduced a trap composed of 5 places in 156 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) 2/68 variables, 2/10 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 09:34:42] [INFO ] Deduced a trap composed of 6 places in 137 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:34:42] [INFO ] Deduced a trap composed of 6 places in 160 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 68/194 variables, and 12 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/68 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 3/3 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
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) 2/68 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 126/194 variables, 68/80 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 20/100 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 503/603 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 603 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 68/68 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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 40759ms
[2025-06-01 09:35:09] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:35:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:35:09] [INFO ] Implicit Places using invariants in 160 ms returned [24, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 161 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 66/68 places, 506/506 transitions.
Applied a total of 0 rules in 6 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 40950 ms. Remains : 66/68 places, 506/506 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-09
Product exploration explored 100000 steps with 1889 reset in 283 ms.
Product exploration explored 100000 steps with 1901 reset in 339 ms.
Computed a total of 49 stabilizing places and 82 stable transitions
Graph (complete) has 1053 edges and 66 vertex of which 64 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Computed a total of 49 stabilizing places and 82 stable transitions
Detected a total of 49/66 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 153 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 252 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 5463 steps (30 resets) in 27 ms. (195 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p0), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p1)))), (F p1)]
Knowledge based reduction with 5 factoid took 412 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 344 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 340 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2025-06-01 09:35:11] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 09:35:11] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:35:12] [INFO ] [Real]Absence check using 7 positive place invariants in 10 ms returned sat
[2025-06-01 09:35:12] [INFO ] [Real]Absence check using state equation in 180 ms returned sat
[2025-06-01 09:35:12] [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 09:35:13] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2025-06-01 09:35:13] [INFO ] [Nat]Absence check using state equation in 192 ms returned sat
[2025-06-01 09:35:13] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:35:13] [INFO ] [Nat]Added 20 Read/Feed constraints in 496 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:35:13] [INFO ] Deduced a trap composed of 5 places in 170 ms of which 6 ms to minimize.
[2025-06-01 09:35:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 213 ms
[2025-06-01 09:35:14] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 18 ms.
[2025-06-01 09:35:14] [INFO ] Added : 27 causal constraints over 6 iterations in 320 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p0))
Support contains 3 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 09:35:14] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:35:14] [INFO ] Invariant cache hit.
[2025-06-01 09:35:14] [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 09:35:17] [INFO ] Deduced a trap composed of 5 places in 152 ms of which 5 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) 2/66 variables, 2/8 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 09:35:27] [INFO ] Deduced a trap composed of 6 places in 142 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:35:27] [INFO ] Deduced a trap composed of 6 places in 147 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 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 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 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) 2/66 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 503/599 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 09:35:54] [INFO ] Deduced a trap composed of 14 places in 120 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40887ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40889ms
[2025-06-01 09:35:55] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:35:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:35:55] [INFO ] Implicit Places using invariants in 224 ms returned []
[2025-06-01 09:35:55] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:35:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:35:55] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:35:55] [INFO ] Implicit Places using invariants and state equation in 398 ms returned []
Implicit Place search using SMT with State Equation took 624 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:35:55] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:35:55] [INFO ] Invariant cache hit.
[2025-06-01 09:35:55] [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 09:35:59] [INFO ] Deduced a trap composed of 5 places in 159 ms of which 6 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) 2/66 variables, 2/8 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 09:36:07] [INFO ] Deduced a trap composed of 6 places in 120 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:36:08] [INFO ] Deduced a trap composed of 6 places in 161 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 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) 2/66 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 503/599 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 09:36:47] [INFO ] Deduced a trap composed of 14 places in 96 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60927ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60928ms
Finished structural reductions in LTL mode , in 1 iterations and 102450 ms. Remains : 66/66 places, 506/506 transitions.
Computed a total of 49 stabilizing places and 82 stable transitions
Graph (complete) has 1053 edges and 66 vertex of which 64 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 49 stabilizing places and 82 stable transitions
Detected a total of 49/66 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 188 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 320 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 2638 steps (14 resets) in 20 ms. (125 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p1)))), (F p1)]
Knowledge based reduction with 3 factoid took 311 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 299 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 245 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2025-06-01 09:36:58] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:36:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:36:58] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2025-06-01 09:36:58] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2025-06-01 09:36:58] [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 09:36:59] [INFO ] [Nat]Absence check using 7 positive place invariants in 6 ms returned sat
[2025-06-01 09:36:59] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-01 09:36:59] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:36:59] [INFO ] [Nat]Added 20 Read/Feed constraints in 40 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:36:59] [INFO ] Deduced a trap composed of 5 places in 151 ms of which 5 ms to minimize.
[2025-06-01 09:36:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 195 ms
[2025-06-01 09:36:59] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 19 ms.
[2025-06-01 09:36:59] [INFO ] Added : 10 causal constraints over 2 iterations in 150 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p0))
Stuttering acceptance computed with spot in 291 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 1877 reset in 285 ms.
Product exploration explored 100000 steps with 1890 reset in 297 ms.
Applying partial POR strategy [true, true, false, false, false, false, false]
Stuttering acceptance computed with spot in 245 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT 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.
Applied a total of 0 rules in 17 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 09:37:00] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:37:00] [INFO ] Invariant cache hit.
[2025-06-01 09:37:00] [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 09:37:04] [INFO ] Deduced a trap composed of 5 places in 131 ms of which 5 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) 2/66 variables, 2/8 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 09:37:13] [INFO ] Deduced a trap composed of 6 places in 150 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:37:14] [INFO ] Deduced a trap composed of 6 places in 158 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
SMT process timed out in 20727ms, After SMT, problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 20729ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:37:21] [INFO ] Redundant transitions in 5 ms returned []
Running 503 sub problems to find dead transitions.
[2025-06-01 09:37:21] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:37:21] [INFO ] Invariant cache hit.
[2025-06-01 09:37:21] [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 09:37:25] [INFO ] Deduced a trap composed of 5 places in 164 ms of which 5 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) 2/66 variables, 2/8 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 09:37:35] [INFO ] Deduced a trap composed of 6 places in 149 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:37:35] [INFO ] Deduced a trap composed of 6 places in 170 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/96 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 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 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) 2/66 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 503/599 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 09:38:12] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60836ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60840ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 81609 ms. Remains : 66/66 places, 506/506 transitions.
Built C files in :
/tmp/ltsmin10042810740216070136
[2025-06-01 09:38:22] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10042810740216070136
Running compilation step : cd /tmp/ltsmin10042810740216070136;'/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 1483 ms.
Running link step : cd /tmp/ltsmin10042810740216070136;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin10042810740216070136;'/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/stateBased11251374624726972521.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 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 2 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 09:38:37] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:38:37] [INFO ] Invariant cache hit.
[2025-06-01 09:38:37] [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 09:38:40] [INFO ] Deduced a trap composed of 5 places in 162 ms of which 6 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) 2/66 variables, 2/8 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 09:38:50] [INFO ] Deduced a trap composed of 6 places in 137 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:38:50] [INFO ] Deduced a trap composed of 6 places in 155 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
SMT process timed out in 20509ms, After SMT, problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 20510ms
[2025-06-01 09:38:58] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:38:58] [INFO ] Implicit Places using invariants in 223 ms returned []
[2025-06-01 09:38:58] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:38:58] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:38:58] [INFO ] Implicit Places using invariants and state equation in 357 ms returned []
Implicit Place search using SMT with State Equation took 581 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2025-06-01 09:38:58] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:38:58] [INFO ] Invariant cache hit.
[2025-06-01 09:38:58] [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 09:39:01] [INFO ] Deduced a trap composed of 5 places in 162 ms of which 6 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) 2/66 variables, 2/8 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 09:39:11] [INFO ] Deduced a trap composed of 6 places in 91 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:39:11] [INFO ] Deduced a trap composed of 6 places in 108 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 27979 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 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, 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) 2/66 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 503/599 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 09:39:44] [INFO ] Deduced a trap composed of 14 places in 120 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58754ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 58755ms
Finished structural reductions in LTL mode , in 1 iterations and 79853 ms. Remains : 66/66 places, 506/506 transitions.
Built C files in :
/tmp/ltsmin3289420904865243545
[2025-06-01 09:39:57] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3289420904865243545
Running compilation step : cd /tmp/ltsmin3289420904865243545;'/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 1397 ms.
Running link step : cd /tmp/ltsmin3289420904865243545;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 41 ms.
Running LTSmin : cd /tmp/ltsmin3289420904865243545;'/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/stateBased8335089328191809653.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 09:40:12] [INFO ] Flatten gal took : 17 ms
[2025-06-01 09:40:12] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:40:12] [INFO ] Time to serialize gal into /tmp/LTL7383449553772903903.gal : 4 ms
[2025-06-01 09:40:12] [INFO ] Time to serialize properties into /tmp/LTL3509954239099196629.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7383449553772903903.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5975641327410242638.hoa' '-atoms' '/tmp/LTL3509954239099196629.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL3509954239099196629.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5975641327410242638.hoa
Detected timeout of ITS tools.
[2025-06-01 09:40:27] [INFO ] Flatten gal took : 15 ms
[2025-06-01 09:40:27] [INFO ] Flatten gal took : 15 ms
[2025-06-01 09:40:27] [INFO ] Time to serialize gal into /tmp/LTL9947007695466804061.gal : 4 ms
[2025-06-01 09:40:27] [INFO ] Time to serialize properties into /tmp/LTL17066130233373726554.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9947007695466804061.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17066130233373726554.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...276
Read 1 LTL properties
Checking formula 0 : !(((X(X(X(X(X(G("(SORTI_B>=2)")))))))U(("(SORTI_B>=2)")||(F("(ROUTE_B<=SORTI_A)")))))
Formula 0 simplified : XXXXXF!"(SORTI_B>=2)" R (!"(SORTI_B>=2)" & G!"(ROUTE_B<=SORTI_A)")
Detected timeout of ITS tools.
[2025-06-01 09:40:42] [INFO ] Flatten gal took : 15 ms
[2025-06-01 09:40:42] [INFO ] Applying decomposition
[2025-06-01 09:40:42] [INFO ] Flatten gal took : 14 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/graph10659576859284480780.txt' '-o' '/tmp/graph10659576859284480780.bin' '-w' '/tmp/graph10659576859284480780.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10659576859284480780.bin' '-l' '-1' '-v' '-w' '/tmp/graph10659576859284480780.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:40:42] [INFO ] Decomposing Gal with order
[2025-06-01 09:40:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:40:43] [INFO ] Removed a total of 474 redundant transitions.
[2025-06-01 09:40:43] [INFO ] Flatten gal took : 116 ms
[2025-06-01 09:40:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 115 labels/synchronizations in 7 ms.
[2025-06-01 09:40:43] [INFO ] Time to serialize gal into /tmp/LTL8624878899843693411.gal : 3 ms
[2025-06-01 09:40:43] [INFO ] Time to serialize properties into /tmp/LTL6474584778323441282.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8624878899843693411.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6474584778323441282.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 : !(((X(X(X(X(X(G("(gi1.gu0.SORTI_B>=2)")))))))U(("(gi1.gu0.SORTI_B>=2)")||(F("(gu1.ROUTE_B<=gu1.SORTI_A)")))))
Formula 0 simplified : XXXXXF!"(gi1.gu0.SORTI_B>=2)" R (!"(gi1.gu0.SORTI_B>=2)" & G!"(gu1.ROUTE_B<=gu1.SORTI_A)")
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-09 finished in 389874 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((F(p0) U p1)||X(X(X(X(G(!p2)))))))))'
Found a Lengthening insensitive property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-12
Stuttering acceptance computed with spot in 613 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Support contains 4 out of 68 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 68/68 places, 506/506 transitions.
Graph (complete) has 1139 edges and 68 vertex of which 67 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output 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 3 place count 66 transition count 505
Applied a total of 3 rules in 16 ms. Remains 66 /68 variables (removed 2) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:40:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 66 cols
[2025-06-01 09:40:58] [INFO ] Computed 8 invariants in 1 ms
[2025-06-01 09:40:58] [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, 4/4 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/7 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 09:41:02] [INFO ] Deduced a trap composed of 5 places in 167 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) 1/66 variables, 1/9 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 09:41:13] [INFO ] Deduced a trap composed of 6 places in 144 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 66/191 variables, and 10 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/66 constraints, ReadFeed: 0/20 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) 0/65 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/7 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) 1/66 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 125/191 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/191 variables, 502/598 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 191/191 variables, and 598 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40800ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40802ms
[2025-06-01 09:41:39] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:41:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:41:39] [INFO ] Implicit Places using invariants in 178 ms returned [24, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 180 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 64/68 places, 505/506 transitions.
Applied a total of 0 rules in 9 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 41010 ms. Remains : 64/68 places, 505/506 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N10-LTLCardinality-12
Product exploration explored 100000 steps with 8321 reset in 469 ms.
Product exploration explored 100000 steps with 8401 reset in 465 ms.
Computed a total of 47 stabilizing places and 81 stable transitions
Graph (complete) has 1050 edges and 64 vertex of which 63 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 47 stabilizing places and 81 stable transitions
Detected a total of 47/64 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 308 ms. Reduced automaton from 12 states, 20 edges and 3 AP (stutter sensitive) to 12 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 446 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
RANDOM walk for 41 steps (0 resets) in 4 ms. (8 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) p2))), (F p0), (F (NOT (AND (NOT p0) (NOT p1) p2))), (F (NOT p2)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND (NOT p1) p2))), (F p1), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 10 factoid took 1534 ms. Reduced automaton from 12 states, 20 edges and 3 AP (stutter sensitive) to 12 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 662 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 652 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
[2025-06-01 09:41:44] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2025-06-01 09:41:44] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:41:45] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2025-06-01 09:41:45] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2025-06-01 09:41:45] [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 09:41:45] [INFO ] [Nat]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-01 09:41:45] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2025-06-01 09:41:45] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:41:46] [INFO ] [Nat]Added 20 Read/Feed constraints in 352 ms returned sat
[2025-06-01 09:41:46] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 20 ms.
[2025-06-01 09:41:46] [INFO ] Added : 8 causal constraints over 3 iterations in 569 ms. Result :sat
Could not prove EG (AND (NOT p1) p2)
Support contains 4 out of 64 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 2 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 09:41:46] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:41:46] [INFO ] Invariant cache hit.
[2025-06-01 09:41:46] [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 09:41:50] [INFO ] Deduced a trap composed of 5 places in 142 ms of which 4 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) 1/64 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 09:42:00] [INFO ] Deduced a trap composed of 6 places in 135 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 64/189 variables, and 8 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 0/64 constraints, ReadFeed: 0/20 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, 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) 1/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 502/594 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 09:42:24] [INFO ] Deduced a trap composed of 14 places in 86 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20023 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: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40795ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40797ms
[2025-06-01 09:42:27] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:42:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:42:27] [INFO ] Implicit Places using invariants in 214 ms returned []
[2025-06-01 09:42:27] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:42:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:42:27] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:42:28] [INFO ] Implicit Places using invariants and state equation in 383 ms returned []
Implicit Place search using SMT with State Equation took 599 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:42:28] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:42:28] [INFO ] Invariant cache hit.
[2025-06-01 09:42:28] [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 09:42:31] [INFO ] Deduced a trap composed of 5 places in 156 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) 1/64 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 09:42:41] [INFO ] Deduced a trap composed of 6 places in 130 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 20/92 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 30020 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) 0/63 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) 1/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 502/594 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 09:43:15] [INFO ] Deduced a trap composed of 14 places in 100 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30018 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: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60793ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60795ms
Finished structural reductions in LTL mode , in 1 iterations and 102198 ms. Remains : 64/64 places, 505/505 transitions.
Computed a total of 47 stabilizing places and 81 stable transitions
Graph (complete) has 1050 edges and 64 vertex of which 63 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 47 stabilizing places and 81 stable transitions
Detected a total of 47/64 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 301 ms. Reduced automaton from 12 states, 20 edges and 3 AP (stutter sensitive) to 12 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 605 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
RANDOM walk for 51 steps (0 resets) in 5 ms. (8 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) p2))), (F p0), (F (NOT (AND (NOT p0) (NOT p1) p2))), (F (NOT p2)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND (NOT p1) p2))), (F p1), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 10 factoid took 1666 ms. Reduced automaton from 12 states, 20 edges and 3 AP (stutter sensitive) to 12 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 662 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 663 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
[2025-06-01 09:43:32] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:43:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 09:43:33] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2025-06-01 09:43:33] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2025-06-01 09:43:33] [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 09:43:34] [INFO ] [Nat]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-01 09:43:34] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2025-06-01 09:43:34] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:43:34] [INFO ] [Nat]Added 20 Read/Feed constraints in 116 ms returned sat
[2025-06-01 09:43:34] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 18 ms.
[2025-06-01 09:43:34] [INFO ] Added : 11 causal constraints over 3 iterations in 121 ms. Result :sat
Could not prove EG (AND (NOT p1) p2)
Stuttering acceptance computed with spot in 638 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 8702 reset in 479 ms.
Product exploration explored 100000 steps with 8331 reset in 431 ms.
Applying partial POR strategy [false, false, false, false, false, false, false, false, true, true, true, true]
Stuttering acceptance computed with spot in 473 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) p1 p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Support contains 4 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 16 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 09:43:36] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:43:36] [INFO ] Invariant cache hit.
[2025-06-01 09:43:36] [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 09:43:39] [INFO ] Deduced a trap composed of 5 places in 125 ms of which 4 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) 1/64 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 09:43:48] [INFO ] Deduced a trap composed of 6 places in 115 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
SMT process timed out in 20741ms, After SMT, problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 20743ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:43:57] [INFO ] Redundant transitions in 5 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-01 09:43:57] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:43:57] [INFO ] Invariant cache hit.
[2025-06-01 09:43:57] [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 09:44:00] [INFO ] Deduced a trap composed of 5 places in 159 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) 1/64 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 09:44:09] [INFO ] Deduced a trap composed of 6 places in 112 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 0/92 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 09:44:24] [INFO ] Deduced a trap composed of 14 places in 78 ms of which 4 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 9 (OVERLAPS) 0/189 variables, 1/93 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 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30015 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: 3/3 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) 1/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 502/595 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 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30026 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: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60729ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60732ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 81508 ms. Remains : 64/64 places, 505/505 transitions.
Built C files in :
/tmp/ltsmin13738322587122326108
[2025-06-01 09:44:58] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13738322587122326108
Running compilation step : cd /tmp/ltsmin13738322587122326108;'/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 1572 ms.
Running link step : cd /tmp/ltsmin13738322587122326108;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin13738322587122326108;'/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/stateBased18125611338300033347.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 64 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 2 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 09:45:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:45:13] [INFO ] Invariant cache hit.
[2025-06-01 09:45:13] [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) 0/63 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 09:45:16] [INFO ] Deduced a trap composed of 5 places in 135 ms of which 4 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) 1/64 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 09:45:26] [INFO ] Deduced a trap composed of 6 places in 140 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 64/189 variables, and 8 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 0/64 constraints, ReadFeed: 0/20 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, 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) 1/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 502/594 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 09:45:50] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20017 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: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40799ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40801ms
[2025-06-01 09:45:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:45:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:45:54] [INFO ] Implicit Places using invariants in 147 ms returned []
[2025-06-01 09:45:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:45:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:45:54] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:45:54] [INFO ] Implicit Places using invariants and state equation in 378 ms returned []
Implicit Place search using SMT with State Equation took 527 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2025-06-01 09:45:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-01 09:45:54] [INFO ] Invariant cache hit.
[2025-06-01 09:45:54] [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 09:45:57] [INFO ] Deduced a trap composed of 5 places in 155 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) 1/64 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 09:46:06] [INFO ] Deduced a trap composed of 6 places in 137 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 0/92 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 09:46:25] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 189/189 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30025 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: 3/3 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) 1/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 125/189 variables, 64/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 502/595 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 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30020 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: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60815ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60818ms
Finished structural reductions in LTL mode , in 1 iterations and 102153 ms. Remains : 64/64 places, 505/505 transitions.
Built C files in :
/tmp/ltsmin12397417908372188752
[2025-06-01 09:46:55] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12397417908372188752
Running compilation step : cd /tmp/ltsmin12397417908372188752;'/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 1635 ms.
Running link step : cd /tmp/ltsmin12397417908372188752;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin12397417908372188752;'/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/stateBased7971122217749684767.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 09:47:10] [INFO ] Flatten gal took : 22 ms
[2025-06-01 09:47:10] [INFO ] Flatten gal took : 13 ms
[2025-06-01 09:47:10] [INFO ] Time to serialize gal into /tmp/LTL609777972422084395.gal : 3 ms
[2025-06-01 09:47:10] [INFO ] Time to serialize properties into /tmp/LTL9053018475958644193.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL609777972422084395.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5775775579654469173.hoa' '-atoms' '/tmp/LTL9053018475958644193.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...316
Loading property file /tmp/LTL9053018475958644193.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5775775579654469173.hoa
Detected timeout of ITS tools.
[2025-06-01 09:47:25] [INFO ] Flatten gal took : 14 ms
[2025-06-01 09:47:25] [INFO ] Flatten gal took : 14 ms
[2025-06-01 09:47:25] [INFO ] Time to serialize gal into /tmp/LTL6577224352199739715.gal : 3 ms
[2025-06-01 09:47:25] [INFO ] Time to serialize properties into /tmp/LTL7139497795053333453.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6577224352199739715.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7139497795053333453.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 : !((X(G(((F("(SORTI_A>=1)"))U("(SUR_PONT_A>=1)"))||(X(X(X(X(G("((CHOIX_0+CHOIX_1)<1)"))))))))))
Formula 0 simplified : XF((G!"(SORTI_A>=1)" R !"(SUR_PONT_A>=1)") & XXXXF!"((CHOIX_0+CHOIX_1)<1)")
Detected timeout of ITS tools.
[2025-06-01 09:47:40] [INFO ] Flatten gal took : 14 ms
[2025-06-01 09:47:40] [INFO ] Applying decomposition
[2025-06-01 09:47:40] [INFO ] Flatten gal took : 13 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/graph18257476464738705902.txt' '-o' '/tmp/graph18257476464738705902.bin' '-w' '/tmp/graph18257476464738705902.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18257476464738705902.bin' '-l' '-1' '-v' '-w' '/tmp/graph18257476464738705902.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:47:40] [INFO ] Decomposing Gal with order
[2025-06-01 09:47:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:47:41] [INFO ] Removed a total of 878 redundant transitions.
[2025-06-01 09:47:41] [INFO ] Flatten gal took : 65 ms
[2025-06-01 09:47:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 176 labels/synchronizations in 6 ms.
[2025-06-01 09:47:41] [INFO ] Time to serialize gal into /tmp/LTL5727982844201149471.gal : 1 ms
[2025-06-01 09:47:41] [INFO ] Time to serialize properties into /tmp/LTL11100301121155356682.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5727982844201149471.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11100301121155356682.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...276
Read 1 LTL properties
Checking formula 0 : !((X(G(((F("(gi0.gu1.SORTI_A>=1)"))U("(gi0.gu1.SUR_PONT_A>=1)"))||(X(X(X(X(G("((gu2.CHOIX_0+gu2.CHOIX_1)<1)"))))))))))
Formula 0 simplified : XF((G!"(gi0.gu1.SORTI_A>=1)" R !"(gi0.gu1.SUR_PONT_A>=1)") & XXXXF!"((gu2.CHOIX_0+gu2.CHOIX_1)<1)")
Reverse transition relation is NOT exact ! Due to transitions gi0.gu1.t20, gi0.t404, gi0.t169, gi0.t44, gi0.t0, t41, t42, t84, t85, t21_t43, t28_t43, Inte...248
Computing Next relation with stutter on 20 deadlock states
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P20N10-LTLCardinality-12 finished in 417919 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)))'
[2025-06-01 09:47:56] [INFO ] Flatten gal took : 15 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin10539074268346209582
[2025-06-01 09:47:56] [INFO ] Computing symmetric may disable matrix : 506 transitions.
[2025-06-01 09:47:56] [INFO ] Computation of Complete disable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:47:56] [INFO ] Applying decomposition
[2025-06-01 09:47:56] [INFO ] Computing symmetric may enable matrix : 506 transitions.
[2025-06-01 09:47:56] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:47:56] [INFO ] Computation of Complete enable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:47:56] [INFO ] Computing Do-Not-Accords matrix : 506 transitions.
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/graph6887848677603793900.txt' '-o' '/tmp/graph6887848677603793900.bin' '-w' '/tmp/graph6887848677603793900.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6887848677603793900.bin' '-l' '-1' '-v' '-w' '/tmp/graph6887848677603793900.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:47:56] [INFO ] Decomposing Gal with order
[2025-06-01 09:47:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:47:56] [INFO ] Computation of Completed DNA matrix. took 23 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 09:47:56] [INFO ] Built C files in 139ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10539074268346209582
Running compilation step : cd /tmp/ltsmin10539074268346209582;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '144' '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 09:47:56] [INFO ] Removed a total of 526 redundant transitions.
[2025-06-01 09:47:56] [INFO ] Flatten gal took : 56 ms
[2025-06-01 09:47:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 224 labels/synchronizations in 6 ms.
[2025-06-01 09:47:56] [INFO ] Time to serialize gal into /tmp/LTLCardinality9171816592923899503.gal : 2 ms
[2025-06-01 09:47:56] [INFO ] Time to serialize properties into /tmp/LTLCardinality15875906333558839532.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/LTLCardinality9171816592923899503.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality15875906333558839532.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...298
Read 5 LTL properties
Checking formula 0 : !((F(G("(gi3.gu2.SUR_PONT_A<2)"))))
Formula 0 simplified : GF!"(gi3.gu2.SUR_PONT_A<2)"
Compilation finished in 2286 ms.
Running link step : cd /tmp/ltsmin10539074268346209582;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin10539074268346209582;'/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)))' '--buchi-type=spotba'
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ 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 LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V20P20N10"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-COL-V20P20N10, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-smll-174853764600203"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N10.tgz
mv BridgeAndVehicles-COL-V20P20N10 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;