Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r047-tajo-171620397800252.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is BridgeAndVehicles-PT-V50P50N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397800252
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.2M
-rw-r--r-- 1 mcc users 18K Apr 13 02:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K Apr 13 02:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 129K Apr 13 02:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 529K Apr 13 02:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.4K Apr 22 14:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 34K Apr 22 14:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 77K Apr 22 14:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 227K Apr 22 14:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 44K Apr 13 02:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 264K Apr 13 02:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 133K Apr 13 02:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 514K Apr 13 02:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.7K Apr 22 14:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.1M May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716288389450

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V50P50N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 10:46:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 10:46:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 10:46:31] [INFO ] Load time of PNML (sax parser for PT used): 160 ms
[2024-05-21 10:46:31] [INFO ] Transformed 128 places.
[2024-05-21 10:46:31] [INFO ] Transformed 1328 transitions.
[2024-05-21 10:46:31] [INFO ] Parsed PT model containing 128 places and 1328 transitions and 10010 arcs in 335 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 29 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 125 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 126 transition count 1328
Applied a total of 2 rules in 47 ms. Remains 126 /128 variables (removed 2) and now considering 1328/1328 (removed 0) transitions.
Running 1325 sub problems to find dead transitions.
[2024-05-21 10:46:31] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2024-05-21 10:46:31] [INFO ] Computed 5 invariants in 14 ms
[2024-05-21 10:46:31] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
[2024-05-21 10:46:44] [INFO ] Deduced a trap composed of 5 places in 168 ms of which 10 ms to minimize.
[2024-05-21 10:46:49] [INFO ] Deduced a trap composed of 15 places in 184 ms of which 2 ms to minimize.
Problem TDEAD728 is UNSAT
Problem TDEAD729 is UNSAT
Problem TDEAD730 is UNSAT
Problem TDEAD731 is UNSAT
Problem TDEAD732 is UNSAT
Problem TDEAD733 is UNSAT
Problem TDEAD734 is UNSAT
Problem TDEAD735 is UNSAT
Problem TDEAD736 is UNSAT
Problem TDEAD737 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD739 is UNSAT
Problem TDEAD740 is UNSAT
Problem TDEAD741 is UNSAT
Problem TDEAD742 is UNSAT
Problem TDEAD743 is UNSAT
Problem TDEAD744 is UNSAT
Problem TDEAD745 is UNSAT
Problem TDEAD746 is UNSAT
Problem TDEAD747 is UNSAT
Problem TDEAD748 is UNSAT
Problem TDEAD749 is UNSAT
Problem TDEAD750 is UNSAT
Problem TDEAD751 is UNSAT
Problem TDEAD752 is UNSAT
Problem TDEAD753 is UNSAT
Problem TDEAD754 is UNSAT
Problem TDEAD755 is UNSAT
Problem TDEAD756 is UNSAT
Problem TDEAD757 is UNSAT
Problem TDEAD758 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD760 is UNSAT
Problem TDEAD761 is UNSAT
Problem TDEAD762 is UNSAT
Problem TDEAD763 is UNSAT
Problem TDEAD764 is UNSAT
Problem TDEAD765 is UNSAT
Problem TDEAD766 is UNSAT
Problem TDEAD767 is UNSAT
Problem TDEAD768 is UNSAT
Problem TDEAD769 is UNSAT
Problem TDEAD770 is UNSAT
Problem TDEAD771 is UNSAT
Problem TDEAD772 is UNSAT
Problem TDEAD773 is UNSAT
Problem TDEAD774 is UNSAT
Problem TDEAD775 is UNSAT
Problem TDEAD776 is UNSAT
Problem TDEAD777 is UNSAT
[2024-05-21 10:46:53] [INFO ] Deduced a trap composed of 14 places in 115 ms of which 2 ms to minimize.
Problem TDEAD178 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD233 is UNSAT
Problem TDEAD244 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD266 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD343 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD376 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD398 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD420 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD442 is UNSAT
Problem TDEAD453 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD475 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD497 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD530 is UNSAT
Problem TDEAD541 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD596 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD618 is UNSAT
Problem TDEAD629 is UNSAT
Problem TDEAD640 is UNSAT
Problem TDEAD651 is UNSAT
Problem TDEAD662 is UNSAT
Problem TDEAD673 is UNSAT
Problem TDEAD684 is UNSAT
Problem TDEAD695 is UNSAT
Problem TDEAD706 is UNSAT
Problem TDEAD717 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 3/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/376 variables, and 8 constraints, problems are : Problem set: 100 solved, 1225 unsolved in 20077 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/126 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 100 solved, 1225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 3/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Problem TDEAD50 is UNSAT
Problem TDEAD155 is UNSAT
At refinement iteration 3 (OVERLAPS) 250/376 variables, 126/134 constraints. Problems are: Problem set: 102 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/376 variables, 22/156 constraints. Problems are: Problem set: 102 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 376/376 variables, and 1379 constraints, problems are : Problem set: 102 solved, 1223 unsolved in 21597 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 126/126 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1223/1325 constraints, Known Traps: 3/3 constraints]
After SMT, in 47792ms problems are : Problem set: 102 solved, 1223 unsolved
Search for dead transitions found 102 dead transitions in 47857ms
Found 102 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 102 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 102 transitions.
[2024-05-21 10:47:19] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-05-21 10:47:19] [INFO ] Computed 7 invariants in 5 ms
[2024-05-21 10:47:19] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-21 10:47:19] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 10:47:19] [INFO ] Invariant cache hit.
[2024-05-21 10:47:19] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:47:19] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 126/128 places, 1226/1328 transitions.
Applied a total of 0 rules in 14 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 48178 ms. Remains : 126/128 places, 1226/1328 transitions.
Support contains 125 out of 126 places after structural reductions.
[2024-05-21 10:47:20] [INFO ] Flatten gal took : 182 ms
[2024-05-21 10:47:20] [INFO ] Flatten gal took : 122 ms
[2024-05-21 10:47:20] [INFO ] Input system was already deterministic with 1226 transitions.
Reduction of identical properties reduced properties to check from 21 to 20
RANDOM walk for 40000 steps (88 resets) in 3461 ms. (11 steps per ms) remains 2/20 properties
BEST_FIRST walk for 40004 steps (36 resets) in 198 ms. (201 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40002 steps (36 resets) in 143 ms. (277 steps per ms) remains 1/1 properties
[2024-05-21 10:47:21] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 10:47:22] [INFO ] Invariant cache hit.
[2024-05-21 10:47:22] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/70 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 194/264 variables, 70/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/264 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 107/371 variables, 55/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/371 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 10/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/372 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/372 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/372 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 372/372 variables, and 153 constraints, problems are : Problem set: 0 solved, 1 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/70 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 194/264 variables, 70/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/264 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 107/371 variables, 55/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/371 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 10/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/371 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/372 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/372 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/372 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 372/372 variables, and 154 constraints, problems are : Problem set: 0 solved, 1 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 496ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 56 ms.
Support contains 4 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 184 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 122/126 places, 1223/1226 transitions.
RANDOM walk for 40000 steps (124 resets) in 399 ms. (100 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (62 resets) in 212 ms. (187 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 9591 steps, run visited all 1 properties in 91 ms. (steps per millisecond=105 )
Probabilistic random walk after 9591 steps, saw 3459 distinct states, run finished after 95 ms. (steps per millisecond=100 ) properties seen :1
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 109 stabilizing places and 202 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((F(G(p0))&&(G(p1) U p2))))'
Support contains 115 out of 126 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 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 151 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:47:23] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-05-21 10:47:23] [INFO ] Computed 7 invariants in 15 ms
[2024-05-21 10:47:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:47:33] [INFO ] Deduced a trap composed of 5 places in 148 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20149 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45677ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45691ms
[2024-05-21 10:48:09] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:48:09] [INFO ] Invariant cache hit.
[2024-05-21 10:48:09] [INFO ] Implicit Places using invariants in 99 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 104 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 81 ms. Remains 124 /124 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46031 ms. Remains : 124/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 297 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-00
Stuttering criterion allowed to conclude after 424 steps with 0 reset in 15 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-00 finished in 46414 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(p1)))'
Support contains 65 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 14 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:48:09] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:48:09] [INFO ] Invariant cache hit.
[2024-05-21 10:48:09] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:48:20] [INFO ] Deduced a trap composed of 5 places in 188 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20505 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45828ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45845ms
[2024-05-21 10:48:55] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:48:55] [INFO ] Invariant cache hit.
[2024-05-21 10:48:55] [INFO ] Implicit Places using invariants in 180 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 184 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 8 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46056 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 170 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 3212 ms.
Product exploration explored 100000 steps with 50000 reset in 2632 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 28 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-01 finished in 52200 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 55 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 127 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:49:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:49:02] [INFO ] Invariant cache hit.
[2024-05-21 10:49:02] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:49:11] [INFO ] Deduced a trap composed of 5 places in 131 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20867 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45905ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45919ms
[2024-05-21 10:49:48] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:49:48] [INFO ] Invariant cache hit.
[2024-05-21 10:49:48] [INFO ] Implicit Places using invariants in 226 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 230 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 97 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46376 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 57 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-04
Product exploration explored 100000 steps with 236 reset in 929 ms.
Product exploration explored 100000 steps with 236 reset in 653 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 78 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 28 ms :[(NOT p0)]
RANDOM walk for 639 steps (0 resets) in 10 ms. (58 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 91 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 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
[2024-05-21 10:49:50] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-05-21 10:49:50] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 10:49:51] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2024-05-21 10:49:51] [INFO ] [Real]Absence check using state equation in 551 ms returned sat
[2024-05-21 10:49:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:49:52] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-05-21 10:49:52] [INFO ] [Nat]Absence check using state equation in 331 ms returned sat
[2024-05-21 10:49:52] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:49:52] [INFO ] [Nat]Added 20 Read/Feed constraints in 40 ms returned sat
[2024-05-21 10:49:52] [INFO ] Deduced a trap composed of 5 places in 172 ms of which 2 ms to minimize.
[2024-05-21 10:49:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 225 ms
[2024-05-21 10:49:52] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 76 ms.
[2024-05-21 10:49:53] [INFO ] Added : 12 causal constraints over 3 iterations in 218 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 55 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 96 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:49:53] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:49:53] [INFO ] Invariant cache hit.
[2024-05-21 10:49:53] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:50:01] [INFO ] Deduced a trap composed of 5 places in 140 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20270 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44834ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44849ms
[2024-05-21 10:50:38] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:50:38] [INFO ] Invariant cache hit.
[2024-05-21 10:50:38] [INFO ] Implicit Places using invariants in 197 ms returned []
[2024-05-21 10:50:38] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:50:38] [INFO ] Invariant cache hit.
[2024-05-21 10:50:38] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:50:38] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 643 ms to find 0 implicit places.
[2024-05-21 10:50:38] [INFO ] Redundant transitions in 92 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:50:38] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:50:38] [INFO ] Invariant cache hit.
[2024-05-21 10:50:38] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:50:47] [INFO ] Deduced a trap composed of 5 places in 144 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:51:11] [INFO ] Deduced a trap composed of 15 places in 145 ms of which 0 ms to minimize.
[2024-05-21 10:51:12] [INFO ] Deduced a trap composed of 14 places in 136 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/131 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/151 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1373 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1373 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 3/3 constraints]
After SMT, in 64595ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64611ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110304 ms. Remains : 123/123 places, 1225/1225 transitions.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 57 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 35 ms :[(NOT p0)]
RANDOM walk for 710 steps (0 resets) in 10 ms. (64 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 87 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 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
[2024-05-21 10:51:43] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:51:43] [INFO ] Invariant cache hit.
[2024-05-21 10:51:44] [INFO ] [Real]Absence check using 5 positive place invariants in 10 ms returned sat
[2024-05-21 10:51:44] [INFO ] [Real]Absence check using state equation in 464 ms returned sat
[2024-05-21 10:51:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:51:45] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-05-21 10:51:45] [INFO ] [Nat]Absence check using state equation in 288 ms returned sat
[2024-05-21 10:51:45] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:51:46] [INFO ] [Nat]Added 20 Read/Feed constraints in 39 ms returned sat
[2024-05-21 10:51:46] [INFO ] Deduced a trap composed of 5 places in 199 ms of which 1 ms to minimize.
[2024-05-21 10:51:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 418 ms
[2024-05-21 10:51:46] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 59 ms.
[2024-05-21 10:51:46] [INFO ] Added : 42 causal constraints over 10 iterations in 412 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Product exploration explored 100000 steps with 236 reset in 704 ms.
Product exploration explored 100000 steps with 236 reset in 628 ms.
Support contains 55 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 133 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:51:48] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:51:48] [INFO ] Invariant cache hit.
[2024-05-21 10:51:48] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:51:56] [INFO ] Deduced a trap composed of 5 places in 134 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20345 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44916ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44931ms
[2024-05-21 10:52:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:52:33] [INFO ] Invariant cache hit.
[2024-05-21 10:52:33] [INFO ] Implicit Places using invariants in 192 ms returned []
[2024-05-21 10:52:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:52:33] [INFO ] Invariant cache hit.
[2024-05-21 10:52:33] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:52:33] [INFO ] Implicit Places using invariants and state equation in 358 ms returned []
Implicit Place search using SMT with State Equation took 565 ms to find 0 implicit places.
[2024-05-21 10:52:33] [INFO ] Redundant transitions in 74 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:52:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:52:33] [INFO ] Invariant cache hit.
[2024-05-21 10:52:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:52:42] [INFO ] Deduced a trap composed of 5 places in 106 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 64881ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64895ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110608 ms. Remains : 123/123 places, 1225/1225 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-04 finished in 277173 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&(G(!p0)||(!p0&&F(!p1)))))'
Support contains 105 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 11 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:53:39] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-05-21 10:53:39] [INFO ] Computed 7 invariants in 6 ms
[2024-05-21 10:53:39] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:53:47] [INFO ] Deduced a trap composed of 5 places in 143 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20985 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45672ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45685ms
[2024-05-21 10:54:24] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:54:24] [INFO ] Invariant cache hit.
[2024-05-21 10:54:24] [INFO ] Implicit Places using invariants in 160 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 164 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 8 ms. Remains 124 /124 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45872 ms. Remains : 124/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), true, true, (OR (NOT p0) p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-05 finished in 46027 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0&&X(p1)))))'
Support contains 6 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 12 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:54:25] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:54:25] [INFO ] Invariant cache hit.
[2024-05-21 10:54:25] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:54:34] [INFO ] Deduced a trap composed of 5 places in 136 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20758 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 46045ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 46058ms
[2024-05-21 10:55:11] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:55:11] [INFO ] Invariant cache hit.
[2024-05-21 10:55:11] [INFO ] Implicit Places using invariants in 238 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 241 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 5 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46322 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 104 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
Product exploration explored 100000 steps with 33315 reset in 507 ms.
Product exploration explored 100000 steps with 33395 reset in 600 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 142 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 3 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (88 resets) in 602 ms. (66 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40003 steps (36 resets) in 354 ms. (112 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (36 resets) in 594 ms. (67 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (36 resets) in 389 ms. (102 steps per ms) remains 3/3 properties
[2024-05-21 10:55:13] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-05-21 10:55:13] [INFO ] Computed 5 invariants in 16 ms
[2024-05-21 10:55:13] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf0 is UNSAT
At refinement iteration 1 (OVERLAPS) 113/119 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 244/363 variables, 119/123 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/143 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 0/143 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 5/368 variables, 4/147 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 1/148 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 1 solved, 2 unsolved in 372 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 113/119 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 244/363 variables, 119/123 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/143 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 0/143 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 5/368 variables, 4/147 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 1/148 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 2/150 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 150 constraints, problems are : Problem set: 1 solved, 2 unsolved in 313 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 755ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 78 ms.
Support contains 6 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 121 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 120 transition count 1223
Applied a total of 5 rules in 87 ms. Remains 120 /123 variables (removed 3) and now considering 1223/1225 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 87 ms. Remains : 120/123 places, 1223/1225 transitions.
RANDOM walk for 40000 steps (124 resets) in 911 ms. (43 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (63 resets) in 351 ms. (113 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (62 resets) in 347 ms. (114 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 283315 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 2
Probabilistic random walk after 283315 steps, saw 96041 distinct states, run finished after 3013 ms. (steps per millisecond=94 ) properties seen :0
[2024-05-21 10:55:18] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-05-21 10:55:18] [INFO ] Computed 4 invariants in 3 ms
[2024-05-21 10:55:18] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/363 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/363 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 363/363 variables, and 144 constraints, problems are : Problem set: 0 solved, 2 unsolved in 240 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/361 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/363 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/363 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 363/363 variables, and 146 constraints, problems are : Problem set: 0 solved, 2 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 637ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 43 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 48 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 120/120 places, 1223/1223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 48 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 10:55:18] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 10:55:18] [INFO ] Invariant cache hit.
[2024-05-21 10:55:19] [INFO ] Implicit Places using invariants in 186 ms returned []
[2024-05-21 10:55:19] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 10:55:19] [INFO ] Invariant cache hit.
[2024-05-21 10:55:19] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:55:19] [INFO ] Implicit Places using invariants and state equation in 361 ms returned []
Implicit Place search using SMT with State Equation took 549 ms to find 0 implicit places.
[2024-05-21 10:55:19] [INFO ] Redundant transitions in 44 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 10:55:19] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 10:55:19] [INFO ] Invariant cache hit.
[2024-05-21 10:55:19] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 10:55:28] [INFO ] Deduced a trap composed of 5 places in 185 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
SMT process timed out in 35371ms, After SMT, problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 35391ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36043 ms. Remains : 120/120 places, 1223/1223 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 120 transition count 243
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 982 place count 120 transition count 241
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 984 place count 118 transition count 241
Applied a total of 984 rules in 15 ms. Remains 118 /120 variables (removed 2) and now considering 241/1223 (removed 982) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 241 rows 118 cols
[2024-05-21 10:55:54] [INFO ] Computed 4 invariants in 2 ms
[2024-05-21 10:55:54] [INFO ] [Real]Absence check using 4 positive place invariants in 6 ms returned sat
[2024-05-21 10:55:55] [INFO ] After 131ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-21 10:55:55] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:55:55] [INFO ] After 63ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-05-21 10:55:55] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-21 10:55:55] [INFO ] After 22ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-21 10:55:55] [INFO ] After 56ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-21 10:55:55] [INFO ] After 176ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 339 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 139 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Support contains 6 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 121 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 120 transition count 1223
Applied a total of 5 rules in 88 ms. Remains 120 /123 variables (removed 3) and now considering 1223/1225 (removed 2) transitions.
[2024-05-21 10:55:55] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-05-21 10:55:55] [INFO ] Computed 4 invariants in 2 ms
[2024-05-21 10:55:55] [INFO ] Implicit Places using invariants in 166 ms returned []
[2024-05-21 10:55:55] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 10:55:55] [INFO ] Invariant cache hit.
[2024-05-21 10:55:55] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:55:56] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 522 ms to find 0 implicit places.
[2024-05-21 10:55:56] [INFO ] Redundant transitions in 21 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 10:55:56] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 10:55:56] [INFO ] Invariant cache hit.
[2024-05-21 10:55:56] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 10:56:04] [INFO ] Deduced a trap composed of 5 places in 160 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
SMT process timed out in 34489ms, After SMT, problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 34503ms
Starting structural reductions in SI_LTL mode, iteration 1 : 120/123 places, 1223/1225 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 35142 ms. Remains : 120/123 places, 1223/1225 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 96 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
RANDOM walk for 40000 steps (124 resets) in 884 ms. (45 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40002 steps (63 resets) in 331 ms. (120 steps per ms) remains 2/2 properties
BEST_FIRST walk for 30718 steps (49 resets) in 275 ms. (111 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 7 factoid took 189 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 136 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 148 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 172 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Product exploration explored 100000 steps with 1361 reset in 503 ms.
Product exploration explored 100000 steps with 1417 reset in 446 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 63 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 10:56:33] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 10:56:33] [INFO ] Invariant cache hit.
[2024-05-21 10:56:33] [INFO ] Implicit Places using invariants in 186 ms returned []
[2024-05-21 10:56:33] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 10:56:33] [INFO ] Invariant cache hit.
[2024-05-21 10:56:33] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:56:33] [INFO ] Implicit Places using invariants and state equation in 435 ms returned []
Implicit Place search using SMT with State Equation took 623 ms to find 0 implicit places.
[2024-05-21 10:56:33] [INFO ] Redundant transitions in 19 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 10:56:33] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 10:56:33] [INFO ] Invariant cache hit.
[2024-05-21 10:56:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 10:56:41] [INFO ] Deduced a trap composed of 5 places in 151 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
SMT process timed out in 34834ms, After SMT, problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 34847ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 35560 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 finished in 163676 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0 U G((p1||F(!p2))))))'
Support contains 9 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Running 1223 sub problems to find dead transitions.
[2024-05-21 10:57:08] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-05-21 10:57:08] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:57:08] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
[2024-05-21 10:57:19] [INFO ] Deduced a trap composed of 5 places in 169 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/372 variables, and 8 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/126 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (OVERLAPS) 246/372 variables, 126/134 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/372 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/372 variables, and 1377 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 21144 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
After SMT, in 46365ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 46376ms
[2024-05-21 10:57:55] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 10:57:55] [INFO ] Invariant cache hit.
[2024-05-21 10:57:55] [INFO ] Implicit Places using invariants in 230 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 232 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 4 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46621 ms. Remains : 124/126 places, 1226/1226 transitions.
Stuttering acceptance computed with spot in 184 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
Product exploration explored 100000 steps with 922 reset in 467 ms.
Product exploration explored 100000 steps with 929 reset in 357 ms.
Computed a total of 107 stabilizing places and 202 stable transitions
Computed a total of 107 stabilizing places and 202 stable transitions
Detected a total of 107/124 stabilizing places and 202/1226 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 15 factoid took 218 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 216 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (88 resets) in 886 ms. (45 steps per ms) remains 1/8 properties
BEST_FIRST walk for 40003 steps (32 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
[2024-05-21 10:57:57] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2024-05-21 10:57:57] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 10:57:57] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 114/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 10:57:57] [INFO ] Deduced a trap composed of 5 places in 185 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 246/369 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/369 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/369 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/370 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/370 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/370 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 150 constraints, problems are : Problem set: 0 solved, 1 unsolved in 333 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 114/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 246/369 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/369 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/369 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/369 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/370 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/370 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/370 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 370/370 variables, and 151 constraints, problems are : Problem set: 0 solved, 1 unsolved in 414 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 776ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 92 ms.
Support contains 9 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 115 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:57:58] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-05-21 10:57:58] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 10:57:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:58:06] [INFO ] Deduced a trap composed of 5 places in 148 ms of which 13 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20276 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44825ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44840ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44960 ms. Remains : 123/124 places, 1225/1226 transitions.
RANDOM walk for 40003 steps (104 resets) in 435 ms. (91 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (39 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 555913 steps, run timeout after 3001 ms. (steps per millisecond=185 ) properties seen :0 out of 1
Probabilistic random walk after 555913 steps, saw 154967 distinct states, run finished after 3001 ms. (steps per millisecond=185 ) properties seen :0
[2024-05-21 10:58:46] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:58:46] [INFO ] Invariant cache hit.
[2024-05-21 10:58:46] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 455 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 660ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 67 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 55 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-05-21 10:58:47] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:58:47] [INFO ] Invariant cache hit.
[2024-05-21 10:58:47] [INFO ] Implicit Places using invariants in 182 ms returned []
[2024-05-21 10:58:47] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:58:47] [INFO ] Invariant cache hit.
[2024-05-21 10:58:47] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:58:47] [INFO ] Implicit Places using invariants and state equation in 443 ms returned []
Implicit Place search using SMT with State Equation took 628 ms to find 0 implicit places.
[2024-05-21 10:58:47] [INFO ] Redundant transitions in 19 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:58:47] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:58:47] [INFO ] Invariant cache hit.
[2024-05-21 10:58:47] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 10:58:56] [INFO ] Deduced a trap composed of 5 places in 114 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65023ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65037ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65749 ms. Remains : 123/123 places, 1225/1225 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0 (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p0) p1))), (F p2), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 15 factoid took 566 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 229 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Support contains 9 out of 124 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 98 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 10:59:53] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 10:59:53] [INFO ] Invariant cache hit.
[2024-05-21 10:59:53] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:00:02] [INFO ] Deduced a trap composed of 5 places in 142 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44906ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44920ms
[2024-05-21 11:00:38] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:00:38] [INFO ] Invariant cache hit.
[2024-05-21 11:00:39] [INFO ] Implicit Places using invariants in 187 ms returned []
[2024-05-21 11:00:39] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:00:39] [INFO ] Invariant cache hit.
[2024-05-21 11:00:39] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:00:39] [INFO ] Implicit Places using invariants and state equation in 333 ms returned []
Implicit Place search using SMT with State Equation took 522 ms to find 0 implicit places.
[2024-05-21 11:00:39] [INFO ] Redundant transitions in 20 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:00:39] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:00:39] [INFO ] Invariant cache hit.
[2024-05-21 11:00:39] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:00:47] [INFO ] Deduced a trap composed of 5 places in 124 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 64748ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64761ms
Starting structural reductions in SI_LTL mode, iteration 1 : 123/124 places, 1225/1226 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 110332 ms. Remains : 123/124 places, 1225/1226 transitions.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 19 factoid took 162 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 216 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (104 resets) in 456 ms. (87 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40003 steps (44 resets) in 272 ms. (146 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (38 resets) in 244 ms. (163 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (52 resets) in 475 ms. (84 steps per ms) remains 3/3 properties
[2024-05-21 11:01:45] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:01:45] [INFO ] Invariant cache hit.
[2024-05-21 11:01:45] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 3 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 3 unsolved in 718 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 921ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 925 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 59 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:01:46] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:01:46] [INFO ] Invariant cache hit.
[2024-05-21 11:01:46] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:01:56] [INFO ] Deduced a trap composed of 5 places in 143 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 1.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
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(s40 0.0)
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(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20181 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45678ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45691ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45756 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 1073 ms. (37 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (44 resets) in 245 ms. (162 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40002 steps (40 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
[2024-05-21 11:02:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:02:33] [INFO ] Invariant cache hit.
[2024-05-21 11:02:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 347 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 511ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 28 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 65 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 310 ms. (128 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (40 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 469677 steps, run timeout after 3001 ms. (steps per millisecond=156 ) properties seen :0 out of 1
Probabilistic random walk after 469677 steps, saw 130153 distinct states, run finished after 3001 ms. (steps per millisecond=156 ) properties seen :0
[2024-05-21 11:02:36] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:02:36] [INFO ] Invariant cache hit.
[2024-05-21 11:02:36] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 346 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 529ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 55 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 51 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-05-21 11:02:37] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:02:37] [INFO ] Invariant cache hit.
[2024-05-21 11:02:37] [INFO ] Implicit Places using invariants in 177 ms returned []
[2024-05-21 11:02:37] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:02:37] [INFO ] Invariant cache hit.
[2024-05-21 11:02:37] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:02:38] [INFO ] Implicit Places using invariants and state equation in 451 ms returned []
Implicit Place search using SMT with State Equation took 630 ms to find 0 implicit places.
[2024-05-21 11:02:38] [INFO ] Redundant transitions in 22 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:02:38] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:02:38] [INFO ] Invariant cache hit.
[2024-05-21 11:02:38] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:02:46] [INFO ] Deduced a trap composed of 5 places in 142 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 35318ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 35333ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36046 ms. Remains : 123/123 places, 1225/1225 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 123 transition count 245
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 1 with 2 rules applied. Total rules applied 982 place count 122 transition count 244
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 983 place count 122 transition count 243
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 984 place count 121 transition count 243
Applied a total of 984 rules in 13 ms. Remains 121 /123 variables (removed 2) and now considering 243/1225 (removed 982) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 243 rows 121 cols
[2024-05-21 11:03:13] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 11:03:13] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-05-21 11:03:13] [INFO ] After 165ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 11:03:13] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 11:03:13] [INFO ] After 79ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-21 11:03:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-21 11:03:13] [INFO ] After 23ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 11:03:13] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 11:03:13] [INFO ] After 192ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 387 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0 (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p0) p1))), (F p2), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 19 factoid took 532 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 202 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 185 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 184 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Product exploration explored 100000 steps with 1081 reset in 465 ms.
Product exploration explored 100000 steps with 1010 reset in 425 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 94 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:03:16] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-05-21 11:03:16] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 11:03:16] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:03:25] [INFO ] Deduced a trap composed of 5 places in 126 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20632 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 46300ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 46317ms
[2024-05-21 11:04:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:04:02] [INFO ] Invariant cache hit.
[2024-05-21 11:04:02] [INFO ] Implicit Places using invariants in 226 ms returned []
[2024-05-21 11:04:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:04:02] [INFO ] Invariant cache hit.
[2024-05-21 11:04:02] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:04:03] [INFO ] Implicit Places using invariants and state equation in 436 ms returned []
Implicit Place search using SMT with State Equation took 676 ms to find 0 implicit places.
[2024-05-21 11:04:03] [INFO ] Redundant transitions in 14 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:04:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:04:03] [INFO ] Invariant cache hit.
[2024-05-21 11:04:03] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:04:12] [INFO ] Deduced a trap composed of 5 places in 149 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 35270ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 35282ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 82397 ms. Remains : 123/123 places, 1225/1225 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-10 finished in 449639 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 87 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
[2024-05-21 11:04:38] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 122 cols
[2024-05-21 11:04:38] [INFO ] Computed 6 invariants in 3 ms
[2024-05-21 11:04:38] [INFO ] Implicit Places using invariants in 283 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 285 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/126 places, 1223/1226 transitions.
Applied a total of 0 rules in 56 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 430 ms. Remains : 120/126 places, 1223/1226 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-11
Product exploration explored 100000 steps with 1210 reset in 362 ms.
Product exploration explored 100000 steps with 1186 reset in 352 ms.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 93 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 34 ms :[(NOT p0)]
RANDOM walk for 305 steps (0 resets) in 6 ms. (43 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 125 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 45 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
[2024-05-21 11:04:40] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-05-21 11:04:40] [INFO ] Computed 4 invariants in 2 ms
[2024-05-21 11:04:40] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 11:04:40] [INFO ] [Real]Absence check using state equation in 267 ms returned sat
[2024-05-21 11:04:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 11:04:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 11:04:41] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2024-05-21 11:04:41] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:04:41] [INFO ] [Nat]Added 20 Read/Feed constraints in 24 ms returned sat
[2024-05-21 11:04:41] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 132 transitions) in 27 ms.
[2024-05-21 11:04:41] [INFO ] Added : 27 causal constraints over 7 iterations in 221 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 56 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 11:04:41] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:04:41] [INFO ] Invariant cache hit.
[2024-05-21 11:04:41] [INFO ] Implicit Places using invariants in 184 ms returned []
[2024-05-21 11:04:41] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:04:41] [INFO ] Invariant cache hit.
[2024-05-21 11:04:41] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:04:42] [INFO ] Implicit Places using invariants and state equation in 483 ms returned []
Implicit Place search using SMT with State Equation took 693 ms to find 0 implicit places.
[2024-05-21 11:04:42] [INFO ] Redundant transitions in 24 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 11:04:42] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:04:42] [INFO ] Invariant cache hit.
[2024-05-21 11:04:42] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 11:04:51] [INFO ] Deduced a trap composed of 5 places in 197 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
SMT process timed out in 35614ms, After SMT, problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 35629ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 36413 ms. Remains : 120/120 places, 1223/1223 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 90 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
RANDOM walk for 299 steps (0 resets) in 6 ms. (42 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 93 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 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
[2024-05-21 11:05:18] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:05:18] [INFO ] Invariant cache hit.
[2024-05-21 11:05:18] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 11:05:18] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2024-05-21 11:05:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 11:05:19] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 11:05:19] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2024-05-21 11:05:19] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:05:19] [INFO ] [Nat]Added 20 Read/Feed constraints in 16 ms returned sat
[2024-05-21 11:05:19] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 132 transitions) in 28 ms.
[2024-05-21 11:05:19] [INFO ] Added : 27 causal constraints over 7 iterations in 249 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Product exploration explored 100000 steps with 1200 reset in 294 ms.
Product exploration explored 100000 steps with 1196 reset in 287 ms.
Support contains 2 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 46 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 11:05:20] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:05:20] [INFO ] Invariant cache hit.
[2024-05-21 11:05:20] [INFO ] Implicit Places using invariants in 226 ms returned []
[2024-05-21 11:05:20] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:05:20] [INFO ] Invariant cache hit.
[2024-05-21 11:05:20] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:05:20] [INFO ] Implicit Places using invariants and state equation in 368 ms returned []
Implicit Place search using SMT with State Equation took 609 ms to find 0 implicit places.
[2024-05-21 11:05:20] [INFO ] Redundant transitions in 14 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 11:05:20] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:05:20] [INFO ] Invariant cache hit.
[2024-05-21 11:05:20] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 11:05:29] [INFO ] Deduced a trap composed of 5 places in 110 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 65381ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65393ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 66070 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-11 finished in 107930 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 79 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
[2024-05-21 11:06:26] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 122 cols
[2024-05-21 11:06:26] [INFO ] Computed 6 invariants in 3 ms
[2024-05-21 11:06:26] [INFO ] Implicit Places using invariants in 298 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 300 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/126 places, 1223/1226 transitions.
Applied a total of 0 rules in 57 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 436 ms. Remains : 120/126 places, 1223/1226 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-12
Product exploration explored 100000 steps with 5316 reset in 377 ms.
Product exploration explored 100000 steps with 5419 reset in 386 ms.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 100 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
RANDOM walk for 31 steps (0 resets) in 6 ms. (4 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 100 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 30 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
[2024-05-21 11:06:27] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-05-21 11:06:27] [INFO ] Computed 4 invariants in 2 ms
[2024-05-21 11:06:28] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 11:06:28] [INFO ] [Real]Absence check using state equation in 203 ms returned sat
[2024-05-21 11:06:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 11:06:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 11:06:28] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2024-05-21 11:06:28] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:06:28] [INFO ] [Nat]Added 20 Read/Feed constraints in 16 ms returned sat
[2024-05-21 11:06:28] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 132 transitions) in 29 ms.
[2024-05-21 11:06:29] [INFO ] Added : 29 causal constraints over 7 iterations in 203 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 67 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 11:06:29] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:06:29] [INFO ] Invariant cache hit.
[2024-05-21 11:06:29] [INFO ] Implicit Places using invariants in 228 ms returned []
[2024-05-21 11:06:29] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:06:29] [INFO ] Invariant cache hit.
[2024-05-21 11:06:29] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:06:29] [INFO ] Implicit Places using invariants and state equation in 489 ms returned []
Implicit Place search using SMT with State Equation took 719 ms to find 0 implicit places.
[2024-05-21 11:06:29] [INFO ] Redundant transitions in 31 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 11:06:30] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:06:30] [INFO ] Invariant cache hit.
[2024-05-21 11:06:30] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 11:06:38] [INFO ] Deduced a trap composed of 5 places in 301 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 65144ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65161ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65987 ms. Remains : 120/120 places, 1223/1223 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 88 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 34 ms :[(NOT p0)]
RANDOM walk for 111 steps (0 resets) in 4 ms. (22 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 81 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 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
[2024-05-21 11:07:35] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:07:35] [INFO ] Invariant cache hit.
[2024-05-21 11:07:35] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 11:07:36] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2024-05-21 11:07:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 11:07:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 11:07:36] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2024-05-21 11:07:36] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:07:36] [INFO ] [Nat]Added 20 Read/Feed constraints in 16 ms returned sat
[2024-05-21 11:07:36] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 132 transitions) in 25 ms.
[2024-05-21 11:07:36] [INFO ] Added : 29 causal constraints over 7 iterations in 159 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Product exploration explored 100000 steps with 5406 reset in 293 ms.
Product exploration explored 100000 steps with 5297 reset in 298 ms.
Support contains 2 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 46 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 11:07:37] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:07:37] [INFO ] Invariant cache hit.
[2024-05-21 11:07:37] [INFO ] Implicit Places using invariants in 242 ms returned []
[2024-05-21 11:07:37] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:07:37] [INFO ] Invariant cache hit.
[2024-05-21 11:07:37] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:07:38] [INFO ] Implicit Places using invariants and state equation in 489 ms returned []
Implicit Place search using SMT with State Equation took 732 ms to find 0 implicit places.
[2024-05-21 11:07:38] [INFO ] Redundant transitions in 14 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 11:07:38] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:07:38] [INFO ] Invariant cache hit.
[2024-05-21 11:07:38] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 11:07:46] [INFO ] Deduced a trap composed of 5 places in 110 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
SMT process timed out in 35461ms, After SMT, problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 35473ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 36277 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-12 finished in 107316 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 104 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
[2024-05-21 11:08:13] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 122 cols
[2024-05-21 11:08:13] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 11:08:14] [INFO ] Implicit Places using invariants in 262 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 264 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/126 places, 1223/1226 transitions.
Applied a total of 0 rules in 48 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 420 ms. Remains : 120/126 places, 1223/1226 transitions.
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-13
Product exploration explored 100000 steps with 404 reset in 495 ms.
Product exploration explored 100000 steps with 386 reset in 413 ms.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Detected a total of 104/120 stabilizing places and 200/1223 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 147 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 353 steps (0 resets) in 6 ms. (50 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 6 factoid took 172 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 97 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 106 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 4 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 64 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 11:08:15] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-05-21 11:08:15] [INFO ] Computed 4 invariants in 1 ms
[2024-05-21 11:08:16] [INFO ] Implicit Places using invariants in 213 ms returned []
[2024-05-21 11:08:16] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:08:16] [INFO ] Invariant cache hit.
[2024-05-21 11:08:16] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:08:16] [INFO ] Implicit Places using invariants and state equation in 522 ms returned []
Implicit Place search using SMT with State Equation took 736 ms to find 0 implicit places.
[2024-05-21 11:08:16] [INFO ] Redundant transitions in 19 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 11:08:16] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:08:16] [INFO ] Invariant cache hit.
[2024-05-21 11:08:16] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 11:08:24] [INFO ] Deduced a trap composed of 5 places in 149 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 65082ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65096ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65925 ms. Remains : 120/120 places, 1223/1223 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Detected a total of 104/120 stabilizing places and 200/1223 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 94 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 249 steps (0 resets) in 5 ms. (41 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 6 factoid took 136 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 78 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 77 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 398 reset in 370 ms.
Product exploration explored 100000 steps with 408 reset in 381 ms.
Support contains 4 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 46 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 11:09:23] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:09:23] [INFO ] Invariant cache hit.
[2024-05-21 11:09:23] [INFO ] Implicit Places using invariants in 223 ms returned []
[2024-05-21 11:09:23] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:09:23] [INFO ] Invariant cache hit.
[2024-05-21 11:09:23] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:09:23] [INFO ] Implicit Places using invariants and state equation in 406 ms returned []
Implicit Place search using SMT with State Equation took 643 ms to find 0 implicit places.
[2024-05-21 11:09:23] [INFO ] Redundant transitions in 14 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 11:09:23] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:09:23] [INFO ] Invariant cache hit.
[2024-05-21 11:09:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 11:09:31] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
SMT process timed out in 34674ms, After SMT, problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 34686ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 35398 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-13 finished in 104946 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U p1)&&G(p2))))'
Support contains 9 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 78 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Running 1223 sub problems to find dead transitions.
[2024-05-21 11:09:58] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-05-21 11:09:58] [INFO ] Computed 7 invariants in 3 ms
[2024-05-21 11:09:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
[2024-05-21 11:10:09] [INFO ] Deduced a trap composed of 5 places in 153 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/372 variables, and 8 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/126 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (OVERLAPS) 246/372 variables, 126/134 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/372 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/372 variables, and 1377 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 21575 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
After SMT, in 47017ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 47032ms
[2024-05-21 11:10:45] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 11:10:45] [INFO ] Invariant cache hit.
[2024-05-21 11:10:46] [INFO ] Implicit Places using invariants in 222 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 223 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 125/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 50 ms. Remains 125 /125 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 47388 ms. Remains : 125/126 places, 1226/1226 transitions.
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-15
Stuttering criterion allowed to conclude after 421 steps with 0 reset in 4 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-15 finished in 47556 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0&&X(p1)))))'
Found a Shortening insensitive property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
Stuttering acceptance computed with spot in 113 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
Support contains 6 out of 126 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 52 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
[2024-05-21 11:10:46] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 122 cols
[2024-05-21 11:10:46] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 11:10:46] [INFO ] Implicit Places using invariants in 232 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 246 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 120/126 places, 1223/1226 transitions.
Applied a total of 0 rules in 12 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 310 ms. Remains : 120/126 places, 1223/1226 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
Product exploration explored 100000 steps with 33431 reset in 471 ms.
Product exploration explored 100000 steps with 33303 reset in 380 ms.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 150 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 3 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (124 resets) in 443 ms. (90 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40002 steps (64 resets) in 550 ms. (72 steps per ms) remains 1/3 properties
[2024-05-21 11:10:48] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-05-21 11:10:48] [INFO ] Computed 4 invariants in 1 ms
[2024-05-21 11:10:48] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 118/363 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 27 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/120 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 43ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 260 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 194 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 66 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 11:10:49] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:10:49] [INFO ] Invariant cache hit.
[2024-05-21 11:10:49] [INFO ] Implicit Places using invariants in 199 ms returned []
[2024-05-21 11:10:49] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:10:49] [INFO ] Invariant cache hit.
[2024-05-21 11:10:49] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:10:49] [INFO ] Implicit Places using invariants and state equation in 451 ms returned []
Implicit Place search using SMT with State Equation took 651 ms to find 0 implicit places.
[2024-05-21 11:10:49] [INFO ] Redundant transitions in 29 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 11:10:49] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:10:49] [INFO ] Invariant cache hit.
[2024-05-21 11:10:49] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 11:10:58] [INFO ] Deduced a trap composed of 5 places in 135 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 64914ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 64930ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65687 ms. Remains : 120/120 places, 1223/1223 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 145 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 198 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
RANDOM walk for 40000 steps (124 resets) in 826 ms. (48 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40002 steps (63 resets) in 499 ms. (80 steps per ms) remains 2/2 properties
BEST_FIRST walk for 36797 steps (59 resets) in 379 ms. (96 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 7 factoid took 196 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 122 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Product exploration explored 100000 steps with 1435 reset in 457 ms.
Product exploration explored 100000 steps with 1452 reset in 424 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 63 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-05-21 11:11:57] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:11:57] [INFO ] Invariant cache hit.
[2024-05-21 11:11:57] [INFO ] Implicit Places using invariants in 204 ms returned []
[2024-05-21 11:11:57] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:11:57] [INFO ] Invariant cache hit.
[2024-05-21 11:11:57] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:11:57] [INFO ] Implicit Places using invariants and state equation in 482 ms returned []
Implicit Place search using SMT with State Equation took 688 ms to find 0 implicit places.
[2024-05-21 11:11:57] [INFO ] Redundant transitions in 32 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-05-21 11:11:57] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-05-21 11:11:57] [INFO ] Invariant cache hit.
[2024-05-21 11:11:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-05-21 11:12:05] [INFO ] Deduced a trap composed of 5 places in 124 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 64412ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 64429ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65224 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 finished in 136069 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0 U G((p1||F(!p2))))))'
Found a Lengthening insensitive property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
Stuttering acceptance computed with spot in 246 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Support contains 9 out of 126 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 28 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:13:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-05-21 11:13:02] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 11:13:02] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:13:11] [INFO ] Deduced a trap composed of 5 places in 119 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 1222/1375 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20053 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45262ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45280ms
[2024-05-21 11:13:48] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:13:48] [INFO ] Invariant cache hit.
[2024-05-21 11:13:48] [INFO ] Implicit Places using invariants in 228 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 243 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 10 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 45567 ms. Remains : 123/126 places, 1225/1226 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
Product exploration explored 100000 steps with 1026 reset in 365 ms.
Product exploration explored 100000 steps with 1067 reset in 382 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 15 factoid took 202 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (104 resets) in 1415 ms. (28 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40003 steps (44 resets) in 596 ms. (67 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (39 resets) in 516 ms. (77 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (52 resets) in 531 ms. (75 steps per ms) remains 3/3 properties
[2024-05-21 11:13:50] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-05-21 11:13:50] [INFO ] Computed 5 invariants in 4 ms
[2024-05-21 11:13:50] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 3 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 3 unsolved in 781 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 1007ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 707 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 51 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:13:52] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:13:52] [INFO ] Invariant cache hit.
[2024-05-21 11:13:52] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:13:59] [INFO ] Deduced a trap composed of 5 places in 137 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20601 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44861ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44874ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44929 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 1612 ms. (24 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (44 resets) in 758 ms. (52 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (38 resets) in 530 ms. (75 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (52 resets) in 939 ms. (42 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 468808 steps, run timeout after 3001 ms. (steps per millisecond=156 ) properties seen :2 out of 3
Probabilistic random walk after 468808 steps, saw 129911 distinct states, run finished after 3001 ms. (steps per millisecond=156 ) properties seen :2
[2024-05-21 11:14:41] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:14:41] [INFO ] Invariant cache hit.
[2024-05-21 11:14:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 567ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 28 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 65 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 332 ms. (120 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (39 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 557966 steps, run timeout after 3001 ms. (steps per millisecond=185 ) properties seen :0 out of 1
Probabilistic random walk after 557966 steps, saw 155519 distinct states, run finished after 3001 ms. (steps per millisecond=185 ) properties seen :0
[2024-05-21 11:14:45] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:14:45] [INFO ] Invariant cache hit.
[2024-05-21 11:14:45] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 457ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 71 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 59 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-05-21 11:14:45] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:14:45] [INFO ] Invariant cache hit.
[2024-05-21 11:14:45] [INFO ] Implicit Places using invariants in 213 ms returned []
[2024-05-21 11:14:45] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:14:45] [INFO ] Invariant cache hit.
[2024-05-21 11:14:46] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:14:46] [INFO ] Implicit Places using invariants and state equation in 453 ms returned []
Implicit Place search using SMT with State Equation took 669 ms to find 0 implicit places.
[2024-05-21 11:14:46] [INFO ] Redundant transitions in 33 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:14:46] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:14:46] [INFO ] Invariant cache hit.
[2024-05-21 11:14:46] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:14:54] [INFO ] Deduced a trap composed of 5 places in 147 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34593ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34611ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35380 ms. Remains : 123/123 places, 1225/1225 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 123 transition count 245
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 1 with 2 rules applied. Total rules applied 982 place count 122 transition count 244
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 983 place count 122 transition count 243
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 984 place count 121 transition count 243
Applied a total of 984 rules in 11 ms. Remains 121 /123 variables (removed 2) and now considering 243/1225 (removed 982) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 243 rows 121 cols
[2024-05-21 11:15:21] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 11:15:21] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 11:15:21] [INFO ] After 118ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 11:15:21] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 11:15:21] [INFO ] After 60ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-21 11:15:21] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-21 11:15:21] [INFO ] After 18ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 11:15:21] [INFO ] After 41ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 11:15:21] [INFO ] After 162ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 305 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0 (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p0) p1))), (F p2), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 15 factoid took 501 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 177 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 205 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 65 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:15:22] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-05-21 11:15:22] [INFO ] Computed 5 invariants in 7 ms
[2024-05-21 11:15:22] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:15:30] [INFO ] Deduced a trap composed of 5 places in 97 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20968 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45760ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45775ms
[2024-05-21 11:16:08] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:16:08] [INFO ] Invariant cache hit.
[2024-05-21 11:16:08] [INFO ] Implicit Places using invariants in 179 ms returned []
[2024-05-21 11:16:08] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:16:08] [INFO ] Invariant cache hit.
[2024-05-21 11:16:08] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:16:08] [INFO ] Implicit Places using invariants and state equation in 425 ms returned []
Implicit Place search using SMT with State Equation took 606 ms to find 0 implicit places.
[2024-05-21 11:16:08] [INFO ] Redundant transitions in 22 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:16:08] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:16:08] [INFO ] Invariant cache hit.
[2024-05-21 11:16:08] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:16:16] [INFO ] Deduced a trap composed of 5 places in 138 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 64603ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64618ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 111100 ms. Remains : 123/123 places, 1225/1225 transitions.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 19 factoid took 208 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 204 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (104 resets) in 1395 ms. (28 steps per ms) remains 1/8 properties
BEST_FIRST walk for 40003 steps (39 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
[2024-05-21 11:17:14] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:17:14] [INFO ] Invariant cache hit.
[2024-05-21 11:17:14] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 372 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 538ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 61 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:17:14] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:17:14] [INFO ] Invariant cache hit.
[2024-05-21 11:17:14] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:17:23] [INFO ] Deduced a trap composed of 5 places in 206 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20706 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45440ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45454ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45519 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 406 ms. (98 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (40 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 487022 steps, run timeout after 3001 ms. (steps per millisecond=162 ) properties seen :0 out of 1
Probabilistic random walk after 487022 steps, saw 135145 distinct states, run finished after 3001 ms. (steps per millisecond=162 ) properties seen :0
[2024-05-21 11:18:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:18:03] [INFO ] Invariant cache hit.
[2024-05-21 11:18:03] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 354 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 544ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 63 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 52 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-05-21 11:18:04] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:18:04] [INFO ] Invariant cache hit.
[2024-05-21 11:18:04] [INFO ] Implicit Places using invariants in 215 ms returned []
[2024-05-21 11:18:04] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:18:04] [INFO ] Invariant cache hit.
[2024-05-21 11:18:04] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:18:04] [INFO ] Implicit Places using invariants and state equation in 457 ms returned []
Implicit Place search using SMT with State Equation took 673 ms to find 0 implicit places.
[2024-05-21 11:18:04] [INFO ] Redundant transitions in 20 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:18:04] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:18:04] [INFO ] Invariant cache hit.
[2024-05-21 11:18:04] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:18:14] [INFO ] Deduced a trap composed of 5 places in 161 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 66220ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 66234ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66989 ms. Remains : 123/123 places, 1225/1225 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0 (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p0) p1))), (F p2), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 19 factoid took 619 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 254 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 190 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Product exploration explored 100000 steps with 1047 reset in 475 ms.
Product exploration explored 100000 steps with 1046 reset in 435 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 49 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:19:13] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:19:13] [INFO ] Invariant cache hit.
[2024-05-21 11:19:13] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:19:21] [INFO ] Deduced a trap composed of 5 places in 157 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44369ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44380ms
[2024-05-21 11:19:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:19:57] [INFO ] Invariant cache hit.
[2024-05-21 11:19:57] [INFO ] Implicit Places using invariants in 206 ms returned []
[2024-05-21 11:19:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:19:57] [INFO ] Invariant cache hit.
[2024-05-21 11:19:58] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 11:19:58] [INFO ] Implicit Places using invariants and state equation in 442 ms returned []
Implicit Place search using SMT with State Equation took 650 ms to find 0 implicit places.
[2024-05-21 11:19:58] [INFO ] Redundant transitions in 13 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 11:19:58] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 11:19:58] [INFO ] Invariant cache hit.
[2024-05-21 11:19:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-21 11:20:07] [INFO ] Deduced a trap composed of 5 places in 170 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65170ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65182ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110285 ms. Remains : 123/123 places, 1225/1225 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-10 finished in 481268 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
[2024-05-21 11:21:04] [INFO ] Flatten gal took : 93 ms
[2024-05-21 11:21:04] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-05-21 11:21:04] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 126 places, 1226 transitions and 9200 arcs took 13 ms.
Total runtime 2073442 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-PT-V50P50N10

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/415/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 126
TRANSITIONS: 1226
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.038s, Sys 0.003s]


SAVING FILE /home/mcc/execution/415/model (.net / .def) ...
EXPORT TIME: [User 0.004s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 2691
MODEL NAME: /home/mcc/execution/415/model
126 places, 1226 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-04 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-10 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-11 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-12 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-13 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716291382981

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

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-V50P50N10"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is BridgeAndVehicles-PT-V50P50N10, 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 r047-tajo-171620397800252"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P50N10.tgz
mv BridgeAndVehicles-PT-V50P50N10 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;