About the Execution of ITS-Tools for BridgeAndVehicles-PT-V04P05N02
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
0.000 | 89271.00 | 0.00 | 0.00 | TFFFTFFFFFFFTFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r016-smll-174853764900324.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is BridgeAndVehicles-PT-V04P05N02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-smll-174853764900324
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K 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 5.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K 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 75K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 37K 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-PT-V04P05N02-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748923178710
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V04P05N02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 03:59:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 03:59:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 03:59:41] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2025-06-03 03:59:41] [INFO ] Transformed 28 places.
[2025-06-03 03:59:41] [INFO ] Transformed 52 transitions.
[2025-06-03 03:59:41] [INFO ] Parsed PT model containing 28 places and 52 transitions and 326 arcs in 348 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 28 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 52
Applied a total of 2 rules in 52 ms. Remains 26 /28 variables (removed 2) and now considering 52/52 (removed 0) transitions.
Running 49 sub problems to find dead transitions.
[2025-06-03 03:59:42] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
// Phase 1: matrix 34 rows 26 cols
[2025-06-03 03:59:42] [INFO ] Computed 5 invariants in 9 ms
[2025-06-03 03:59:42] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:43] [INFO ] Deduced a trap composed of 5 places in 89 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:43] [INFO ] Deduced a trap composed of 6 places in 52 ms of which 3 ms to minimize.
Problem TDEAD36 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD33 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 2/7 constraints. Problems are: Problem set: 8 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/7 constraints. Problems are: Problem set: 8 solved, 41 unsolved
Problem TDEAD4 is UNSAT
Problem TDEAD17 is UNSAT
At refinement iteration 3 (OVERLAPS) 34/60 variables, 26/33 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 6/39 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/39 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/60 variables, 0/39 constraints. Problems are: Problem set: 10 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 39 constraints, problems are : Problem set: 10 solved, 39 unsolved in 2181 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 26/26 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 10 solved, 39 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 5/5 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 2/7 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/7 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 34/60 variables, 26/33 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 6/39 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 39/78 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/78 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/60 variables, 0/78 constraints. Problems are: Problem set: 10 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 78 constraints, problems are : Problem set: 10 solved, 39 unsolved in 1845 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 26/26 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 39/49 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4212ms problems are : Problem set: 10 solved, 39 unsolved
Search for dead transitions found 10 dead transitions in 4242ms
Found 10 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 10 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 10 transitions.
[2025-06-03 03:59:46] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 26 cols
[2025-06-03 03:59:46] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:59:46] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-03 03:59:46] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 03:59:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:59:46] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 03:59:46] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 26/28 places, 42/52 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4549 ms. Remains : 26/28 places, 42/52 transitions.
Support contains 26 out of 26 places after structural reductions.
[2025-06-03 03:59:47] [INFO ] Flatten gal took : 41 ms
[2025-06-03 03:59:47] [INFO ] Flatten gal took : 22 ms
[2025-06-03 03:59:47] [INFO ] Input system was already deterministic with 42 transitions.
Reduction of identical properties reduced properties to check from 26 to 25
RANDOM walk for 40000 steps (917 resets) in 1550 ms. (25 steps per ms) remains 3/25 properties
BEST_FIRST walk for 40004 steps (346 resets) in 715 ms. (55 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (373 resets) in 317 ms. (125 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (400 resets) in 192 ms. (207 steps per ms) remains 3/3 properties
[2025-06-03 03:59:48] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 03:59:48] [INFO ] Invariant cache hit.
[2025-06-03 03:59:48] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp12 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/21 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:48] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 3 ms to minimize.
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp23 is UNSAT
After SMT solving in domain Real declared 21/56 variables, and 6 constraints, problems are : Problem set: 3 solved, 0 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 5/6 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/26 constraints, ReadFeed: 0/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 84ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 3 atomic propositions for a total of 14 simplifications.
Computed a total of 17 stabilizing places and 18 stable transitions
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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) U p1) U (!p1&&X((F(p2)||G(!p1))))))'
Support contains 11 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2025-06-03 03:59:49] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 03:59:49] [INFO ] Invariant cache hit.
[2025-06-03 03:59:49] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:49] [INFO ] Deduced a trap composed of 5 places in 52 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 38 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1259 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 39/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:51] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/56 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 78 constraints, problems are : Problem set: 0 solved, 39 unsolved in 2481 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3782ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3783ms
[2025-06-03 03:59:52] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 03:59:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:59:53] [INFO ] Implicit Places using invariants in 93 ms returned [6, 16]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 101 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3887 ms. Remains : 24/26 places, 42/42 transitions.
Stuttering acceptance computed with spot in 574 ms :[p1, (AND (NOT p2) p1), (AND p1 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-00
Product exploration explored 100000 steps with 10259 reset in 628 ms.
Product exploration explored 100000 steps with 10349 reset in 381 ms.
Computed a total of 15 stabilizing places and 18 stable transitions
Computed a total of 15 stabilizing places and 18 stable transitions
Detected a total of 15/24 stabilizing places and 18/42 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT (AND p1 p0 (NOT p2)))), (X (AND (NOT p1) (NOT p0))), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 27 factoid took 432 ms. Reduced automaton from 6 states, 16 edges and 3 AP (stutter sensitive) to 5 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 261 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1), (NOT p2)]
RANDOM walk for 40000 steps (919 resets) in 147 ms. (270 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40001 steps (372 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
[2025-06-03 03:59:55] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 24 cols
[2025-06-03 03:59:55] [INFO ] Computed 5 invariants in 4 ms
[2025-06-03 03:59:55] [INFO ] State equation strengthened by 4 read => feed constraints.
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: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 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) 10/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/47 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/47 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/47 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/49 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/49 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/54 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/54 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/54 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/54 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 33 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 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) 10/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/47 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/47 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/47 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/47 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/49 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/49 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 5/54 variables, 5/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/54 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 34 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 221ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 42/42 transitions.
Applied a total of 0 rules in 9 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2025-06-03 03:59:55] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 03:59:55] [INFO ] Invariant cache hit.
[2025-06-03 03:59:55] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:55] [INFO ] Deduced a trap composed of 5 places in 60 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 34 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1140 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 39/73 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:57] [INFO ] Deduced a trap composed of 6 places in 39 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 74 constraints, problems are : Problem set: 0 solved, 39 unsolved in 2095 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3267ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3268ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3278 ms. Remains : 24/24 places, 42/42 transitions.
RANDOM walk for 40000 steps (918 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (372 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Probably explored full state space saw : 2874 states, properties seen :0
Probabilistic random walk after 10034 steps, saw 2874 distinct states, run finished after 71 ms. (steps per millisecond=141 ) properties seen :0
Explored full state space saw : 2874 states, properties seen :0
Exhaustive walk after 10034 steps, saw 2874 distinct states, run finished after 29 ms. (steps per millisecond=346 ) properties seen :0
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT (AND p1 p0 (NOT p2)))), (X (AND (NOT p1) (NOT p0))), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (G (OR (NOT p2) (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR p2 (NOT p1)))), (F (NOT (AND (NOT p2) (NOT p1)))), (F p1), (F p2), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 28 factoid took 944 ms. Reduced automaton from 5 states, 13 edges and 2 AP (stutter insensitive) to 7 states, 17 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 377 ms :[(NOT p2), (AND (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1), false, false, false]
Stuttering acceptance computed with spot in 362 ms :[(NOT p2), (AND (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1), false, false, false]
Support contains 2 out of 24 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 42/42 transitions.
Applied a total of 0 rules in 7 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2025-06-03 04:00:00] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 04:00:00] [INFO ] Invariant cache hit.
[2025-06-03 04:00:00] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:01] [INFO ] Deduced a trap composed of 5 places in 53 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 34 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1137 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 39/73 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:02] [INFO ] Deduced a trap composed of 6 places in 51 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 74 constraints, problems are : Problem set: 0 solved, 39 unsolved in 2103 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3265ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3266ms
[2025-06-03 04:00:04] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 04:00:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:04] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-03 04:00:04] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 04:00:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 04:00:04] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 04:00:04] [INFO ] Redundant transitions in 0 ms returned []
Running 39 sub problems to find dead transitions.
[2025-06-03 04:00:04] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 04:00:04] [INFO ] Invariant cache hit.
[2025-06-03 04:00:04] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:04] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 34 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1155 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 39/73 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:06] [INFO ] Deduced a trap composed of 6 places in 40 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 74 constraints, problems are : Problem set: 0 solved, 39 unsolved in 2084 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3264ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3265ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 6697 ms. Remains : 24/24 places, 42/42 transitions.
Computed a total of 15 stabilizing places and 18 stable transitions
Computed a total of 15 stabilizing places and 18 stable transitions
Detected a total of 15/24 stabilizing places and 18/42 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p2) (NOT p1)), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND p2 p1))), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) p1))), (X (NOT p1)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 652 ms. Reduced automaton from 7 states, 17 edges and 2 AP (stutter insensitive) to 7 states, 18 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 339 ms :[(NOT p2), (AND (NOT p2) p1), (AND (NOT p2) p1), (NOT p2), false, (AND (NOT p2) p1), false]
RANDOM walk for 40001 steps (917 resets) in 120 ms. (330 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (368 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
[2025-06-03 04:00:08] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 04:00:08] [INFO ] Invariant cache hit.
[2025-06-03 04:00:08] [INFO ] State equation strengthened by 4 read => feed constraints.
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: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 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) 10/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/47 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/47 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/47 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/49 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/49 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/54 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/54 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/54 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/54 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 33 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 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) 10/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/47 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/47 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/47 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/47 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/49 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/49 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 5/54 variables, 5/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/54 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 34 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 217ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 42/42 transitions.
Applied a total of 0 rules in 4 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2025-06-03 04:00:08] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 04:00:08] [INFO ] Invariant cache hit.
[2025-06-03 04:00:08] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:09] [INFO ] Deduced a trap composed of 5 places in 48 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 34 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1143 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 39/73 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:10] [INFO ] Deduced a trap composed of 6 places in 55 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 74 constraints, problems are : Problem set: 0 solved, 39 unsolved in 2014 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3198ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3199ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3205 ms. Remains : 24/24 places, 42/42 transitions.
RANDOM walk for 40000 steps (916 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (368 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Probably explored full state space saw : 2874 states, properties seen :0
Probabilistic random walk after 10034 steps, saw 2874 distinct states, run finished after 60 ms. (steps per millisecond=167 ) properties seen :0
Explored full state space saw : 2874 states, properties seen :0
Exhaustive walk after 10034 steps, saw 2874 distinct states, run finished after 21 ms. (steps per millisecond=477 ) properties seen :0
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p1)), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND p2 p1))), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) p1))), (X (NOT p1)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1)))), (G (OR (NOT p1) (NOT p2)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p2)))), (F p1), (F (NOT (OR (NOT p1) p2))), (F p2), (F (NOT (OR p1 (NOT p2))))]
Knowledge based reduction with 16 factoid took 867 ms. Reduced automaton from 7 states, 18 edges and 2 AP (stutter insensitive) to 7 states, 17 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 370 ms :[(NOT p2), (AND (NOT p2) p1), (AND (NOT p2) p1), false, (AND (NOT p2) p1), false, false]
Stuttering acceptance computed with spot in 418 ms :[(NOT p2), (AND (NOT p2) p1), (AND (NOT p2) p1), false, (AND (NOT p2) p1), false, false]
Stuttering acceptance computed with spot in 368 ms :[(NOT p2), (AND (NOT p2) p1), (AND (NOT p2) p1), false, (AND (NOT p2) p1), false, false]
Product exploration explored 100000 steps with 10348 reset in 213 ms.
Product exploration explored 100000 steps with 10380 reset in 441 ms.
Built C files in :
/tmp/ltsmin6715613472988420294
[2025-06-03 04:00:15] [INFO ] Computing symmetric may disable matrix : 42 transitions.
[2025-06-03 04:00:15] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:15] [INFO ] Computing symmetric may enable matrix : 42 transitions.
[2025-06-03 04:00:15] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:15] [INFO ] Computing Do-Not-Accords matrix : 42 transitions.
[2025-06-03 04:00:15] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:15] [INFO ] Built C files in 73ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6715613472988420294
Running compilation step : cd /tmp/ltsmin6715613472988420294;'/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 579 ms.
Running link step : cd /tmp/ltsmin6715613472988420294;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 87 ms.
Running LTSmin : cd /tmp/ltsmin6715613472988420294;'/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/stateBased16961484231691194866.hoa' '--buchi-type=spotba'
LTSmin run took 274 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-00 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-00 finished in 27138 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!X(X(F(!G(p0)))) U p1))'
Support contains 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 4 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:16] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2025-06-03 04:00:16] [INFO ] Computed 7 invariants in 2 ms
[2025-06-03 04:00:16] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:16] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1045 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 75 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1772 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2839ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2840ms
[2025-06-03 04:00:18] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:18] [INFO ] Implicit Places using invariants in 69 ms returned [6, 16]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 70 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2915 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 177 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (NOT p0), true]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-01
Entered a terminal (fully accepting) state of product in 20 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-01 finished in 3118 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)))))))'
Support contains 6 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:19] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:19] [INFO ] Invariant cache hit.
[2025-06-03 04:00:19] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:19] [INFO ] Deduced a trap composed of 5 places in 45 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 972 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 75 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1792 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2780ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2781ms
[2025-06-03 04:00:21] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:22] [INFO ] Implicit Places using invariants in 71 ms returned [6, 16]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 72 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2857 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 311 ms :[true, p0, p0, p0, p0, p0, p0]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-02
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-02 finished in 3188 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:22] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:22] [INFO ] Invariant cache hit.
[2025-06-03 04:00:22] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:22] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 949 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 75 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1489 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2452ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2453ms
[2025-06-03 04:00:24] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:24] [INFO ] Implicit Places using invariants in 73 ms returned [6, 16]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 74 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2531 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 161 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-03
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-03 finished in 2711 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 9 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 23 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 21 transition count 38
Applied a total of 9 rules in 14 ms. Remains 21 /26 variables (removed 5) and now considering 38/42 (removed 4) transitions.
[2025-06-03 04:00:25] [INFO ] Flow matrix only has 26 transitions (discarded 12 similar events)
// Phase 1: matrix 26 rows 21 cols
[2025-06-03 04:00:25] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:25] [INFO ] Implicit Places using invariants in 63 ms returned [6, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 66 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/26 places, 38/42 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 38/38 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 84 ms. Remains : 19/26 places, 38/42 transitions.
Stuttering acceptance computed with spot in 49 ms :[p0]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-04
Product exploration explored 100000 steps with 3288 reset in 495 ms.
Product exploration explored 100000 steps with 3287 reset in 540 ms.
Computed a total of 12 stabilizing places and 16 stable transitions
Computed a total of 12 stabilizing places and 16 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 105 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 48 ms :[p0]
RANDOM walk for 934 steps (29 resets) in 9 ms. (93 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 134 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 53 ms :[p0]
Stuttering acceptance computed with spot in 46 ms :[p0]
Support contains 9 out of 19 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 19/19 places, 38/38 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 38/38 (removed 0) transitions.
[2025-06-03 04:00:26] [INFO ] Flow matrix only has 26 transitions (discarded 12 similar events)
// Phase 1: matrix 26 rows 19 cols
[2025-06-03 04:00:26] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:26] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-06-03 04:00:26] [INFO ] Flow matrix only has 26 transitions (discarded 12 similar events)
[2025-06-03 04:00:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:26] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 04:00:26] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 04:00:26] [INFO ] Redundant transitions in 0 ms returned []
Running 35 sub problems to find dead transitions.
[2025-06-03 04:00:26] [INFO ] Flow matrix only has 26 transitions (discarded 12 similar events)
[2025-06-03 04:00:26] [INFO ] Invariant cache hit.
[2025-06-03 04:00:26] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 2 (OVERLAPS) 26/45 variables, 19/23 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 5 (OVERLAPS) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 35 unsolved
No progress, stopping.
After SMT solving in domain Real declared 45/45 variables, and 27 constraints, problems are : Problem set: 0 solved, 35 unsolved in 606 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 19/19 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 35/35 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 35 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 2 (OVERLAPS) 26/45 variables, 19/23 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 35/62 constraints. Problems are: Problem set: 0 solved, 35 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:27] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 13 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 7 (OVERLAPS) 0/45 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 35 unsolved
No progress, stopping.
After SMT solving in domain Int declared 45/45 variables, and 63 constraints, problems are : Problem set: 0 solved, 35 unsolved in 1926 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 19/19 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 35/35 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2546ms problems are : Problem set: 0 solved, 35 unsolved
Search for dead transitions found 0 dead transitions in 2547ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2685 ms. Remains : 19/19 places, 38/38 transitions.
Computed a total of 12 stabilizing places and 16 stable transitions
Computed a total of 12 stabilizing places and 16 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 103 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 ms :[p0]
RANDOM walk for 5603 steps (182 resets) in 35 ms. (155 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 142 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 49 ms :[p0]
Stuttering acceptance computed with spot in 54 ms :[p0]
Stuttering acceptance computed with spot in 48 ms :[p0]
Product exploration explored 100000 steps with 3285 reset in 385 ms.
Product exploration explored 100000 steps with 3285 reset in 388 ms.
Built C files in :
/tmp/ltsmin17531789047421028203
[2025-06-03 04:00:30] [INFO ] Computing symmetric may disable matrix : 38 transitions.
[2025-06-03 04:00:30] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:30] [INFO ] Computing symmetric may enable matrix : 38 transitions.
[2025-06-03 04:00:30] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:30] [INFO ] Computing Do-Not-Accords matrix : 38 transitions.
[2025-06-03 04:00:30] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:30] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17531789047421028203
Running compilation step : cd /tmp/ltsmin17531789047421028203;'/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 263 ms.
Running link step : cd /tmp/ltsmin17531789047421028203;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin17531789047421028203;'/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/stateBased2153147059214222144.hoa' '--buchi-type=spotba'
LTSmin run took 97 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-04 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-04 finished in 6020 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(X(p1))) U (F(p3)&&p2)))'
Support contains 5 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2025-06-03 04:00:31] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 26 cols
[2025-06-03 04:00:31] [INFO ] Computed 7 invariants in 2 ms
[2025-06-03 04:00:31] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:31] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 38 constraints, problems are : Problem set: 0 solved, 39 unsolved in 949 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 39/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:32] [INFO ] Deduced a trap composed of 8 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:32] [INFO ] Deduced a trap composed of 6 places in 42 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 2/79 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/56 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 79 constraints, problems are : Problem set: 0 solved, 39 unsolved in 2413 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3395ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3396ms
[2025-06-03 04:00:34] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2025-06-03 04:00:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:34] [INFO ] Implicit Places using invariants in 91 ms returned [6, 16]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 97 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3496 ms. Remains : 24/26 places, 42/42 transitions.
Stuttering acceptance computed with spot in 429 ms :[(OR (NOT p2) (NOT p3)), (NOT p1), (NOT p1), (NOT p3), (NOT p1), true, (NOT p1), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-05
Entered a terminal (fully accepting) state of product in 34 steps with 8 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-05 finished in 3965 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 9 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
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 5 place count 23 transition count 40
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 9 place count 21 transition count 38
Applied a total of 9 rules in 10 ms. Remains 21 /26 variables (removed 5) and now considering 38/42 (removed 4) transitions.
[2025-06-03 04:00:35] [INFO ] Flow matrix only has 26 transitions (discarded 12 similar events)
// Phase 1: matrix 26 rows 21 cols
[2025-06-03 04:00:35] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:35] [INFO ] Implicit Places using invariants in 79 ms returned [6, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 81 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/26 places, 38/42 transitions.
Applied a total of 0 rules in 5 ms. Remains 19 /19 variables (removed 0) and now considering 38/38 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 97 ms. Remains : 19/26 places, 38/42 transitions.
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-06
Stuttering criterion allowed to conclude after 32 steps with 1 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-06 finished in 220 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 ((X(!p0)&&(F(p1) U X(X(p2))))||X(G(!p0)))))'
Support contains 6 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:35] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2025-06-03 04:00:35] [INFO ] Computed 7 invariants in 1 ms
[2025-06-03 04:00:35] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:35] [INFO ] Deduced a trap composed of 5 places in 39 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1053 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 75 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1749 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2819ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2820ms
[2025-06-03 04:00:38] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:38] [INFO ] Implicit Places using invariants in 67 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 68 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2892 ms. Remains : 24/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 691 ms :[true, (OR (NOT p2) (NOT p1)), (NOT p1), p0, (AND p0 (NOT p2)), (NOT p2), p0, p0, (AND p0 (NOT p2)), (AND p0 (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-08
Stuttering criterion allowed to conclude after 1423 steps with 59 reset in 5 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-08 finished in 3633 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 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
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 5 place count 23 transition count 40
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 7 place count 22 transition count 39
Applied a total of 7 rules in 11 ms. Remains 22 /26 variables (removed 4) and now considering 39/42 (removed 3) transitions.
[2025-06-03 04:00:38] [INFO ] Flow matrix only has 27 transitions (discarded 12 similar events)
// Phase 1: matrix 27 rows 22 cols
[2025-06-03 04:00:38] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:39] [INFO ] Implicit Places using invariants in 91 ms returned [6, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 94 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/26 places, 39/42 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 109 ms. Remains : 20/26 places, 39/42 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-09
Product exploration explored 100000 steps with 7201 reset in 436 ms.
Product exploration explored 100000 steps with 7177 reset in 284 ms.
Computed a total of 12 stabilizing places and 16 stable transitions
Computed a total of 12 stabilizing places and 16 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 76 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 36 ms :[(NOT p0)]
RANDOM walk for 55 steps (0 resets) in 4 ms. (11 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 95 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 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2025-06-03 04:00:40] [INFO ] Flow matrix only has 27 transitions (discarded 12 similar events)
// Phase 1: matrix 27 rows 20 cols
[2025-06-03 04:00:40] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 04:00:40] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-03 04:00:40] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-03 04:00:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 04:00:40] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-03 04:00:40] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-03 04:00:40] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 04:00:40] [INFO ] [Nat]Added 4 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:40] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 3 ms to minimize.
[2025-06-03 04:00:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2025-06-03 04:00:40] [INFO ] Computed and/alt/rep : 20/74/20 causal constraints (skipped 4 transitions) in 6 ms.
[2025-06-03 04:00:40] [INFO ] Added : 9 causal constraints over 3 iterations in 51 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 39/39 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2025-06-03 04:00:40] [INFO ] Flow matrix only has 27 transitions (discarded 12 similar events)
[2025-06-03 04:00:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:40] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-03 04:00:40] [INFO ] Flow matrix only has 27 transitions (discarded 12 similar events)
[2025-06-03 04:00:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:40] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 04:00:40] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 04:00:40] [INFO ] Redundant transitions in 1 ms returned []
Running 36 sub problems to find dead transitions.
[2025-06-03 04:00:40] [INFO ] Flow matrix only has 27 transitions (discarded 12 similar events)
[2025-06-03 04:00:40] [INFO ] Invariant cache hit.
[2025-06-03 04:00:40] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:40] [INFO ] Deduced a trap composed of 5 places in 52 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 27/47 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/47 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:41] [INFO ] Deduced a trap composed of 5 places in 63 ms of which 3 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/47 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/47 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (OVERLAPS) 0/47 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 47/47 variables, and 30 constraints, problems are : Problem set: 0 solved, 36 unsolved in 1326 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 27/47 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/47 variables, 36/66 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (OVERLAPS) 0/47 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Int declared 47/47 variables, and 66 constraints, problems are : Problem set: 0 solved, 36 unsolved in 1549 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2894ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 2894ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3037 ms. Remains : 20/20 places, 39/39 transitions.
Computed a total of 12 stabilizing places and 16 stable transitions
Computed a total of 12 stabilizing places and 16 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 103 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 46 ms :[(NOT p0)]
RANDOM walk for 50 steps (0 resets) in 4 ms. (10 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 131 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 :[(NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
[2025-06-03 04:00:43] [INFO ] Flow matrix only has 27 transitions (discarded 12 similar events)
[2025-06-03 04:00:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 04:00:43] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-03 04:00:43] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-03 04:00:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 04:00:44] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-03 04:00:44] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-03 04:00:44] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 04:00:44] [INFO ] [Nat]Added 4 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:44] [INFO ] Deduced a trap composed of 5 places in 50 ms of which 4 ms to minimize.
[2025-06-03 04:00:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2025-06-03 04:00:44] [INFO ] Computed and/alt/rep : 20/74/20 causal constraints (skipped 4 transitions) in 4 ms.
[2025-06-03 04:00:44] [INFO ] Added : 9 causal constraints over 3 iterations in 48 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Product exploration explored 100000 steps with 7235 reset in 176 ms.
Product exploration explored 100000 steps with 7187 reset in 204 ms.
Built C files in :
/tmp/ltsmin2344451404914276562
[2025-06-03 04:00:44] [INFO ] Computing symmetric may disable matrix : 39 transitions.
[2025-06-03 04:00:44] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:44] [INFO ] Computing symmetric may enable matrix : 39 transitions.
[2025-06-03 04:00:44] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:44] [INFO ] Computing Do-Not-Accords matrix : 39 transitions.
[2025-06-03 04:00:44] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 04:00:44] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2344451404914276562
Running compilation step : cd /tmp/ltsmin2344451404914276562;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 273 ms.
Running link step : cd /tmp/ltsmin2344451404914276562;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin2344451404914276562;'/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/stateBased15819254254970487861.hoa' '--buchi-type=spotba'
LTSmin run took 175 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-09 finished in 6220 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(p1)&&p0)) U p2)))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:45] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2025-06-03 04:00:45] [INFO ] Computed 7 invariants in 2 ms
[2025-06-03 04:00:45] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:45] [INFO ] Deduced a trap composed of 5 places in 38 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 75 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1461 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2520ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2521ms
[2025-06-03 04:00:47] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:47] [INFO ] Implicit Places using invariants in 77 ms returned [6, 16]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 88 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2612 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 184 ms :[(NOT p2), (NOT p2), true, (NOT p1), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-10
Entered a terminal (fully accepting) state of product in 3 steps with 1 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-10 finished in 2821 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(p1)||F((p2||G(p3)))||p0)))'
Support contains 10 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:47] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:47] [INFO ] Invariant cache hit.
[2025-06-03 04:00:47] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:48] [INFO ] Deduced a trap composed of 5 places in 25 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 891 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 75 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1797 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2699ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2700ms
[2025-06-03 04:00:50] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:50] [INFO ] Implicit Places using invariants in 42 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 43 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 41/42 transitions.
Applied a total of 0 rules in 0 ms. Remains 24 /24 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2746 ms. Remains : 24/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 166 ms :[(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-11
Stuttering criterion allowed to conclude after 52 steps with 4 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-11 finished in 2929 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||F((!p1&&X(!p1)))) U p2)))'
Support contains 8 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:50] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:50] [INFO ] Invariant cache hit.
[2025-06-03 04:00:50] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:51] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 969 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 75 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1786 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2768ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2770ms
[2025-06-03 04:00:53] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:53] [INFO ] Implicit Places using invariants in 74 ms returned [6, 16]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 76 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2850 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 217 ms :[(NOT p2), (NOT p2), p1, p1]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-12
Product exploration explored 100000 steps with 24980 reset in 216 ms.
Product exploration explored 100000 steps with 25058 reset in 230 ms.
Computed a total of 14 stabilizing places and 17 stable transitions
Computed a total of 14 stabilizing places and 17 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 200 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 214 ms :[(NOT p2), (NOT p2), p1, p1]
RANDOM walk for 18483 steps (423 resets) in 50 ms. (362 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0), (F (NOT (OR p0 p2 (NOT p1)))), (F p2), (F (NOT (AND (NOT p0) (NOT p2) (NOT p1))))]
Knowledge based reduction with 11 factoid took 490 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 212 ms :[(NOT p2), (NOT p2), p1, p1]
Stuttering acceptance computed with spot in 211 ms :[(NOT p2), (NOT p2), p1, p1]
[2025-06-03 04:00:55] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 23 cols
[2025-06-03 04:00:55] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 04:00:55] [INFO ] [Real]Absence check using 5 positive place invariants in 7 ms returned sat
[2025-06-03 04:00:55] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2025-06-03 04:00:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 04:00:56] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-03 04:00:56] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-03 04:00:56] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 04:00:56] [INFO ] [Nat]Added 4 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:56] [INFO ] Deduced a trap composed of 5 places in 57 ms of which 6 ms to minimize.
[2025-06-03 04:00:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2025-06-03 04:00:56] [INFO ] Computed and/alt/rep : 22/79/22 causal constraints (skipped 4 transitions) in 4 ms.
[2025-06-03 04:00:56] [INFO ] Added : 17 causal constraints over 4 iterations in 56 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 8 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:56] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:56] [INFO ] Invariant cache hit.
[2025-06-03 04:00:56] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:56] [INFO ] Deduced a trap composed of 5 places in 43 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1141 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:57] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1383 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2539ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2539ms
[2025-06-03 04:00:58] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:58] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-06-03 04:00:58] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:58] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 04:00:58] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:00:58] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:00:58] [INFO ] Invariant cache hit.
[2025-06-03 04:00:58] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:59] [INFO ] Deduced a trap composed of 5 places in 56 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1102 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:01:00] [INFO ] Deduced a trap composed of 6 places in 40 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1750 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2867ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2867ms
Finished structural reductions in LTL mode , in 1 iterations and 5561 ms. Remains : 23/23 places, 41/41 transitions.
Computed a total of 14 stabilizing places and 17 stable transitions
Computed a total of 14 stabilizing places and 17 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (NOT p2)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 152 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(NOT p2), (NOT p2), p1, p1]
RANDOM walk for 21996 steps (503 resets) in 53 ms. (407 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (NOT p2)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F (NOT (OR p0 (NOT p1) p2))), (F p0), (F p2)]
Knowledge based reduction with 11 factoid took 457 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 213 ms :[(NOT p2), (NOT p2), p1, p1]
Stuttering acceptance computed with spot in 211 ms :[(NOT p2), (NOT p2), p1, p1]
[2025-06-03 04:01:02] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:01:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 04:01:03] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-03 04:01:03] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-03 04:01:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 04:01:03] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-03 04:01:03] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-03 04:01:03] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-03 04:01:03] [INFO ] [Nat]Added 4 Read/Feed constraints in 9 ms returned sat
[2025-06-03 04:01:03] [INFO ] Computed and/alt/rep : 22/79/22 causal constraints (skipped 4 transitions) in 5 ms.
[2025-06-03 04:01:03] [INFO ] Added : 16 causal constraints over 4 iterations in 52 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 209 ms :[(NOT p2), (NOT p2), p1, p1]
Product exploration explored 100000 steps with 25042 reset in 201 ms.
Product exploration explored 100000 steps with 24993 reset in 228 ms.
Built C files in :
/tmp/ltsmin16426157036629264078
[2025-06-03 04:01:04] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16426157036629264078
Running compilation step : cd /tmp/ltsmin16426157036629264078;'/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 272 ms.
Running link step : cd /tmp/ltsmin16426157036629264078;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin16426157036629264078;'/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/stateBased71195817455654655.hoa' '--buchi-type=spotba'
LTSmin run took 229 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-12 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-12 finished in 13956 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(F(p0))||G(p1))))'
Support contains 5 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 7 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2025-06-03 04:01:04] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2025-06-03 04:01:04] [INFO ] Computed 7 invariants in 1 ms
[2025-06-03 04:01:04] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:01:05] [INFO ] Deduced a trap composed of 5 places in 39 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1038 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 75 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1687 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2749ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2750ms
[2025-06-03 04:01:07] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2025-06-03 04:01:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:01:07] [INFO ] Implicit Places using invariants in 81 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 92 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/26 places, 41/42 transitions.
Applied a total of 0 rules in 4 ms. Remains 24 /24 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2855 ms. Remains : 24/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 112 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V04P05N02-LTLFireability-15
Stuttering criterion allowed to conclude after 19947 steps with 1104 reset in 52 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V04P05N02-LTLFireability-15 finished in 3039 ms.
All properties solved by simple procedures.
Total runtime 86356 ms.
BK_STOP 1748923267981
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-PT-V04P05N02"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-PT-V04P05N02, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-smll-174853764900324"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V04P05N02.tgz
mv BridgeAndVehicles-PT-V04P05N02 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;