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-171620397700180.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)
.....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is BridgeAndVehicles-PT-V20P10N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397700180
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.3M
-rw-r--r-- 1 mcc users 14K Apr 13 01:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 13 01:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 84K Apr 13 01:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 347K Apr 13 01:24 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 5.6K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 16K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 54K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 13 01:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Apr 13 01:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 207K Apr 13 01:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 842K Apr 13 01:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.8K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.8K Apr 22 14:29 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 434K 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-V20P10N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716284593820

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-V20P10N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 09:43:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 09:43:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 09:43:15] [INFO ] Load time of PNML (sax parser for PT used): 85 ms
[2024-05-21 09:43:15] [INFO ] Transformed 68 places.
[2024-05-21 09:43:15] [INFO ] Transformed 548 transitions.
[2024-05-21 09:43:15] [INFO ] Parsed PT model containing 68 places and 548 transitions and 4070 arcs in 190 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Support contains 66 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 66 transition count 548
Applied a total of 2 rules in 24 ms. Remains 66 /68 variables (removed 2) and now considering 548/548 (removed 0) transitions.
Running 545 sub problems to find dead transitions.
[2024-05-21 09:43:15] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 66 cols
[2024-05-21 09:43:15] [INFO ] Computed 5 invariants in 10 ms
[2024-05-21 09:43:15] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 545 unsolved
[2024-05-21 09:43:18] [INFO ] Deduced a trap composed of 5 places in 144 ms of which 10 ms to minimize.
[2024-05-21 09:43:19] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 1 ms to minimize.
Problem TDEAD308 is UNSAT
Problem TDEAD309 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD313 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD319 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 is UNSAT
[2024-05-21 09:43:20] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 2 ms to minimize.
Problem TDEAD88 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD242 is UNSAT
Problem TDEAD253 is UNSAT
Problem TDEAD264 is UNSAT
Problem TDEAD275 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD297 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 3/8 constraints. Problems are: Problem set: 40 solved, 505 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 40 solved, 505 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 3 (OVERLAPS) 130/196 variables, 66/74 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/96 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 0/96 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/196 variables, 0/96 constraints. Problems are: Problem set: 42 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 96 constraints, problems are : Problem set: 42 solved, 503 unsolved in 13406 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 66/66 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 545/545 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 42 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 3/8 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 130/196 variables, 66/74 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/96 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 503/599 constraints. Problems are: Problem set: 42 solved, 503 unsolved
[2024-05-21 09:43:40] [INFO ] Deduced a trap composed of 5 places in 79 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/600 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/600 constraints. Problems are: Problem set: 42 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 600 constraints, problems are : Problem set: 42 solved, 503 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 66/66 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 503/545 constraints, Known Traps: 4/4 constraints]
After SMT, in 34715ms problems are : Problem set: 42 solved, 503 unsolved
Search for dead transitions found 42 dead transitions in 34749ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 42 transitions.
[2024-05-21 09:43:50] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 09:43:50] [INFO ] Computed 7 invariants in 4 ms
[2024-05-21 09:43:50] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-21 09:43:50] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:43:50] [INFO ] Invariant cache hit.
[2024-05-21 09:43:50] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:43:50] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/68 places, 506/548 transitions.
Applied a total of 0 rules in 6 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34950 ms. Remains : 66/68 places, 506/548 transitions.
Support contains 66 out of 66 places after structural reductions.
[2024-05-21 09:43:50] [INFO ] Flatten gal took : 114 ms
[2024-05-21 09:43:51] [INFO ] Flatten gal took : 74 ms
[2024-05-21 09:43:51] [INFO ] Input system was already deterministic with 506 transitions.
Support contains 58 out of 66 places (down from 66) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 23 to 22
RANDOM walk for 40000 steps (224 resets) in 1343 ms. (29 steps per ms) remains 4/22 properties
BEST_FIRST walk for 40003 steps (100 resets) in 649 ms. (61 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (79 resets) in 149 ms. (266 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40003 steps (88 resets) in 139 ms. (285 steps per ms) remains 3/3 properties
[2024-05-21 09:43:52] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:43:52] [INFO ] Invariant cache hit.
[2024-05-21 09:43:52] [INFO ] State equation strengthened by 20 read => feed constraints.
Problem AtomicPropp8 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem AtomicPropp1 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 34/65 variables, 5/7 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/192 variables, 1/93 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/93 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/192 variables, 0/93 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 93 constraints, problems are : Problem set: 2 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/60 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/61 variables, 1/6 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/6 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/185 variables, 61/67 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 20/87 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/192 variables, 5/92 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 1/93 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/192 variables, 1/94 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/192 variables, 0/94 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/192 variables, 0/94 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 94 constraints, problems are : Problem set: 2 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 343ms problems are : Problem set: 2 solved, 1 unsolved
Parikh walk visited 0 properties in 13 ms.
Support contains 4 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 63 transition count 504
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 61 transition count 502
Applied a total of 9 rules in 65 ms. Remains 61 /66 variables (removed 5) and now considering 502/506 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 61/66 places, 502/506 transitions.
RANDOM walk for 40000 steps (316 resets) in 268 ms. (148 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (156 resets) in 180 ms. (221 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1072373 steps, run timeout after 3001 ms. (steps per millisecond=357 ) properties seen :0 out of 1
Probabilistic random walk after 1072373 steps, saw 291214 distinct states, run finished after 3004 ms. (steps per millisecond=356 ) properties seen :0
[2024-05-21 09:43:55] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
// Phase 1: matrix 122 rows 61 cols
[2024-05-21 09:43:55] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 09:43:55] [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) 54/58 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 122/181 variables, 59/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 20/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/183 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/183 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/183 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 183/183 variables, and 87 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 61/61 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) 54/58 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 122/181 variables, 59/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 20/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/181 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/183 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/183 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/183 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 183/183 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 61/61 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 258ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 4 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 502/502 transitions.
Applied a total of 0 rules in 22 ms. Remains 61 /61 variables (removed 0) and now considering 502/502 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 61/61 places, 502/502 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 502/502 transitions.
Applied a total of 0 rules in 20 ms. Remains 61 /61 variables (removed 0) and now considering 502/502 (removed 0) transitions.
[2024-05-21 09:43:55] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 09:43:55] [INFO ] Invariant cache hit.
[2024-05-21 09:43:56] [INFO ] Implicit Places using invariants in 480 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 483 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 59/61 places, 502/502 transitions.
Applied a total of 0 rules in 25 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 535 ms. Remains : 59/61 places, 502/502 transitions.
RANDOM walk for 40000 steps (315 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (156 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1053603 steps, run timeout after 3001 ms. (steps per millisecond=351 ) properties seen :0 out of 1
Probabilistic random walk after 1053603 steps, saw 286263 distinct states, run finished after 3001 ms. (steps per millisecond=351 ) properties seen :0
[2024-05-21 09:43:59] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
// Phase 1: matrix 122 rows 59 cols
[2024-05-21 09:43:59] [INFO ] Computed 4 invariants in 3 ms
[2024-05-21 09:43:59] [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) 53/57 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 122/179 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 20/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/181 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/181 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 83 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 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) 53/57 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 122/179 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 20/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/181 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 84 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 191ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 4 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 502/502 transitions.
Applied a total of 0 rules in 17 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 59/59 places, 502/502 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 502/502 transitions.
Applied a total of 0 rules in 17 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
[2024-05-21 09:43:59] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 09:43:59] [INFO ] Invariant cache hit.
[2024-05-21 09:43:59] [INFO ] Implicit Places using invariants in 106 ms returned []
[2024-05-21 09:43:59] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 09:43:59] [INFO ] Invariant cache hit.
[2024-05-21 09:43:59] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:44:00] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
[2024-05-21 09:44:00] [INFO ] Redundant transitions in 22 ms returned []
Running 499 sub problems to find dead transitions.
[2024-05-21 09:44:00] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 09:44:00] [INFO ] Invariant cache hit.
[2024-05-21 09:44:00] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 2 (OVERLAPS) 122/181 variables, 59/63 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/181 variables, 20/83 constraints. Problems are: Problem set: 0 solved, 499 unsolved
[2024-05-21 09:44:04] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 6 (OVERLAPS) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 84 constraints, problems are : Problem set: 0 solved, 499 unsolved in 9912 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 499/499 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 499 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 3 (OVERLAPS) 122/181 variables, 59/64 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 20/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 499/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 583 constraints, problems are : Problem set: 0 solved, 499 unsolved in 25060 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 499/499 constraints, Known Traps: 1/1 constraints]
After SMT, in 35765ms problems are : Problem set: 0 solved, 499 unsolved
Search for dead transitions found 0 dead transitions in 35772ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36070 ms. Remains : 59/59 places, 502/502 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Iterating post reduction 0 with 380 rules applied. Total rules applied 380 place count 59 transition count 122
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 382 place count 59 transition count 120
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 384 place count 57 transition count 120
Applied a total of 384 rules in 11 ms. Remains 57 /59 variables (removed 2) and now considering 120/502 (removed 382) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 120 rows 57 cols
[2024-05-21 09:44:35] [INFO ] Computed 4 invariants in 2 ms
[2024-05-21 09:44:35] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 09:44:35] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 09:44:35] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 09:44:36] [INFO ] After 30ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-21 09:44:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-21 09:44:36] [INFO ] After 6ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 09:44:36] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 09:44:36] [INFO ] After 79ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 175 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 15 simplifications.
Computed a total of 49 stabilizing places and 82 stable transitions
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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&&F(p1)))))'
Support contains 4 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 4 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:44:36] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 09:44:36] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 09:44:36] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:44:38] [INFO ] Deduced a trap composed of 5 places in 60 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:44:42] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 0 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11011 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:45:06] [INFO ] Deduced a trap composed of 5 places in 54 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 599 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 31707ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 31712ms
[2024-05-21 09:45:08] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:45:08] [INFO ] Invariant cache hit.
[2024-05-21 09:45:08] [INFO ] Implicit Places using invariants in 144 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 146 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31869 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 239 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-01 finished in 32168 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(X(X(F(p0)))))'
Support contains 22 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 5 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:45:08] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 09:45:08] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 09:45:08] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:45:10] [INFO ] Deduced a trap composed of 5 places in 49 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:45:13] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11389 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 18017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 30126ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 30135ms
[2024-05-21 09:45:38] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:45:38] [INFO ] Invariant cache hit.
[2024-05-21 09:45:38] [INFO ] Implicit Places using invariants in 99 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 102 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30245 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 137 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-02
Product exploration explored 100000 steps with 1516 reset in 475 ms.
Product exploration explored 100000 steps with 1516 reset in 350 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/63 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 87 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 115 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 263 steps (0 resets) in 6 ms. (37 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 78 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 09:45:40] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2024-05-21 09:45:40] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 09:45:40] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 09:45:40] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-21 09:45:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 09:45:40] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 09:45:40] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2024-05-21 09:45:40] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:45:40] [INFO ] [Nat]Added 20 Read/Feed constraints in 32 ms returned sat
[2024-05-21 09:45:40] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 1 ms to minimize.
[2024-05-21 09:45:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 92 ms
[2024-05-21 09:45:40] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 24 ms.
[2024-05-21 09:45:40] [INFO ] Added : 20 causal constraints over 5 iterations in 100 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 22 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:45:40] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:45:41] [INFO ] Invariant cache hit.
[2024-05-21 09:45:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:45:42] [INFO ] Deduced a trap composed of 5 places in 60 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:45:47] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11416 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32373ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32382ms
[2024-05-21 09:46:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:46:13] [INFO ] Invariant cache hit.
[2024-05-21 09:46:13] [INFO ] Implicit Places using invariants in 103 ms returned []
[2024-05-21 09:46:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:46:13] [INFO ] Invariant cache hit.
[2024-05-21 09:46:13] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:46:13] [INFO ] Implicit Places using invariants and state equation in 148 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:46:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:46:13] [INFO ] Invariant cache hit.
[2024-05-21 09:46:13] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:46:15] [INFO ] Deduced a trap composed of 5 places in 64 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:46:20] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11018 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 21683 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 33602ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 33609ms
Finished structural reductions in LTL mode , in 1 iterations and 66248 ms. Remains : 63/63 places, 505/505 transitions.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/63 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 66 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 262 steps (0 resets) in 6 ms. (37 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 89 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 09:46:47] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:46:47] [INFO ] Invariant cache hit.
[2024-05-21 09:46:47] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 09:46:48] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-21 09:46:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 09:46:48] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 09:46:48] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-21 09:46:48] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:46:48] [INFO ] [Nat]Added 20 Read/Feed constraints in 18 ms returned sat
[2024-05-21 09:46:48] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 1 ms to minimize.
[2024-05-21 09:46:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2024-05-21 09:46:48] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 22 ms.
[2024-05-21 09:46:48] [INFO ] Added : 20 causal constraints over 5 iterations in 96 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1520 reset in 268 ms.
Product exploration explored 100000 steps with 1512 reset in 239 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 148 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 22 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 63 transition count 505
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 67 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:46:49] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2024-05-21 09:46:49] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 09:46:49] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:46:51] [INFO ] Deduced a trap composed of 5 places in 56 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Problem TDEAD20 is UNSAT
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 1 solved, 501 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 1 solved, 501 unsolved in 10433 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 501 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/6 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 5 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 501/590 constraints. Problems are: Problem set: 1 solved, 501 unsolved
[2024-05-21 09:47:08] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 1/591 constraints. Problems are: Problem set: 1 solved, 501 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/188 variables, 0/591 constraints. Problems are: Problem set: 1 solved, 501 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 591 constraints, problems are : Problem set: 1 solved, 501 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 501/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 31374ms problems are : Problem set: 1 solved, 501 unsolved
Search for dead transitions found 1 dead transitions in 31380ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
[2024-05-21 09:47:20] [INFO ] Redundant transitions in 11 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 63/63 places, 504/505 transitions.
Graph (complete) has 1047 edges and 63 vertex of which 62 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 61 transition count 504
Deduced a syphon composed of 2 places in 1 ms
Applied a total of 3 rules in 29 ms. Remains 61 /63 variables (removed 2) and now considering 504/504 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 61/63 places, 504/505 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 31494 ms. Remains : 61/63 places, 504/505 transitions.
Support contains 22 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:47:20] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2024-05-21 09:47:20] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 09:47:20] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:47:22] [INFO ] Deduced a trap composed of 5 places in 56 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:47:27] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11058 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 31991ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31997ms
[2024-05-21 09:47:52] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:47:52] [INFO ] Invariant cache hit.
[2024-05-21 09:47:53] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-21 09:47:53] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:47:53] [INFO ] Invariant cache hit.
[2024-05-21 09:47:53] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:47:53] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:47:53] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:47:53] [INFO ] Invariant cache hit.
[2024-05-21 09:47:53] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:47:55] [INFO ] Deduced a trap composed of 5 places in 56 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:47:59] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11560 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32372ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32378ms
Finished structural reductions in LTL mode , in 1 iterations and 64657 ms. Remains : 63/63 places, 505/505 transitions.
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-02 finished in 197202 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 6 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 24 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:48:25] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 09:48:25] [INFO ] Computed 7 invariants in 0 ms
[2024-05-21 09:48:25] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:48:27] [INFO ] Deduced a trap composed of 5 places in 55 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:48:31] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11166 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 16796 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 28712ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 28716ms
[2024-05-21 09:48:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:48:54] [INFO ] Invariant cache hit.
[2024-05-21 09:48:54] [INFO ] Implicit Places using invariants in 134 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 137 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 24 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 28903 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 116 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-03
Stuttering criterion allowed to conclude after 170 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-03 finished in 29037 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 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 63 transition count 504
Applied a total of 5 rules in 56 ms. Remains 63 /66 variables (removed 3) and now considering 504/506 (removed 2) transitions.
[2024-05-21 09:48:54] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
// Phase 1: matrix 124 rows 63 cols
[2024-05-21 09:48:54] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 09:48:54] [INFO ] Implicit Places using invariants in 130 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 133 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/66 places, 504/506 transitions.
Applied a total of 0 rules in 17 ms. Remains 61 /61 variables (removed 0) and now considering 504/504 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 207 ms. Remains : 61/66 places, 504/506 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-04
Stuttering criterion allowed to conclude after 133 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-04 finished in 292 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((X(p0) U p0)))'
Support contains 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 6 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:48:55] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 09:48:55] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 09:48:55] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:48:57] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:49:00] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11865 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 18401 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 31119ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31125ms
[2024-05-21 09:49:26] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:49:26] [INFO ] Invariant cache hit.
[2024-05-21 09:49:26] [INFO ] Implicit Places using invariants in 105 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 108 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31243 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 61 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-05 finished in 31347 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)||G(p1))))'
Support contains 26 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 18 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:49:26] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:49:26] [INFO ] Invariant cache hit.
[2024-05-21 09:49:26] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:49:28] [INFO ] Deduced a trap composed of 5 places in 71 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:49:32] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10728 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 31514ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31520ms
[2024-05-21 09:49:57] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:49:57] [INFO ] Invariant cache hit.
[2024-05-21 09:49:58] [INFO ] Implicit Places using invariants in 91 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 93 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/66 places, 505/506 transitions.
Applied a total of 0 rules in 17 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 31649 ms. Remains : 64/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 47 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-06
Stuttering criterion allowed to conclude after 169 steps with 0 reset in 6 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-06 finished in 31717 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(p1)||p0)))'
Support contains 25 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 20 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:49:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:49:58] [INFO ] Invariant cache hit.
[2024-05-21 09:49:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:50:00] [INFO ] Deduced a trap composed of 5 places in 76 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:50:04] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11781 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32708ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32714ms
[2024-05-21 09:50:30] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:50:30] [INFO ] Invariant cache hit.
[2024-05-21 09:50:30] [INFO ] Implicit Places using invariants in 107 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 109 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/66 places, 505/506 transitions.
Applied a total of 0 rules in 16 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32860 ms. Remains : 64/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 29 ms :[(AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-07
Product exploration explored 100000 steps with 6138 reset in 636 ms.
Product exploration explored 100000 steps with 5981 reset in 469 ms.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Detected a total of 47/64 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 8 factoid took 233 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 288 steps (0 resets) in 7 ms. (36 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 8 factoid took 304 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 26 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 46 ms :[(AND (NOT p0) (NOT p1))]
[2024-05-21 09:50:32] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2024-05-21 09:50:32] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 09:50:33] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 09:50:33] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-21 09:50:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 09:50:33] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 09:50:33] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-21 09:50:33] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:50:33] [INFO ] [Nat]Added 20 Read/Feed constraints in 9 ms returned sat
[2024-05-21 09:50:33] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 24 ms.
[2024-05-21 09:50:33] [INFO ] Added : 18 causal constraints over 6 iterations in 91 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 25 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 20 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:50:33] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:50:33] [INFO ] Invariant cache hit.
[2024-05-21 09:50:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:50:35] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:50:39] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 1 ms to minimize.
[2024-05-21 09:50:39] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11716 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 32592ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32599ms
[2024-05-21 09:51:06] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:51:06] [INFO ] Invariant cache hit.
[2024-05-21 09:51:06] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-21 09:51:06] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:51:06] [INFO ] Invariant cache hit.
[2024-05-21 09:51:06] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:51:06] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-21 09:51:06] [INFO ] Redundant transitions in 5 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 09:51:06] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:51:06] [INFO ] Invariant cache hit.
[2024-05-21 09:51:06] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:51:08] [INFO ] Deduced a trap composed of 5 places in 76 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:51:12] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 1 ms to minimize.
[2024-05-21 09:51:12] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11384 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 26389 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 38778ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 38785ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 71636 ms. Remains : 64/64 places, 505/505 transitions.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Detected a total of 47/64 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 8 factoid took 198 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 303 steps (0 resets) in 6 ms. (43 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 8 factoid took 371 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 37 ms :[(AND (NOT p0) (NOT p1))]
[2024-05-21 09:51:45] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:51:45] [INFO ] Invariant cache hit.
[2024-05-21 09:51:46] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 09:51:46] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-21 09:51:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 09:51:46] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 09:51:46] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2024-05-21 09:51:46] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:51:46] [INFO ] [Nat]Added 20 Read/Feed constraints in 50 ms returned sat
[2024-05-21 09:51:46] [INFO ] Deduced a trap composed of 14 places in 98 ms of which 1 ms to minimize.
[2024-05-21 09:51:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
[2024-05-21 09:51:46] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 18 ms.
[2024-05-21 09:51:46] [INFO ] Added : 9 causal constraints over 3 iterations in 70 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 44 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 5994 reset in 678 ms.
Product exploration explored 100000 steps with 6184 reset in 506 ms.
Support contains 25 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 505/505 transitions.
Applied a total of 0 rules in 12 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:51:47] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:51:47] [INFO ] Invariant cache hit.
[2024-05-21 09:51:47] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:51:49] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:51:54] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 1 ms to minimize.
[2024-05-21 09:51:54] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 12046 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 32860ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32866ms
[2024-05-21 09:52:20] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:52:20] [INFO ] Invariant cache hit.
[2024-05-21 09:52:20] [INFO ] Implicit Places using invariants in 77 ms returned []
[2024-05-21 09:52:20] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:52:20] [INFO ] Invariant cache hit.
[2024-05-21 09:52:20] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:52:21] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
[2024-05-21 09:52:21] [INFO ] Redundant transitions in 3 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 09:52:21] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:52:21] [INFO ] Invariant cache hit.
[2024-05-21 09:52:21] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:52:22] [INFO ] Deduced a trap composed of 5 places in 75 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:52:27] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 1 ms to minimize.
[2024-05-21 09:52:27] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 12631 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 26943 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 40308ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40315ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 73418 ms. Remains : 64/64 places, 505/505 transitions.
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-07 finished in 183346 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(X((p0 U p1))) U (G(p3)||p2)))'
Support contains 7 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:53:01] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 09:53:01] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 09:53:01] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:53:03] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:53:07] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 0 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11625 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:53:31] [INFO ] Deduced a trap composed of 5 places in 52 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/192 variables, 1/599 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 599 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 32568ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 32576ms
[2024-05-21 09:53:34] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:53:34] [INFO ] Invariant cache hit.
[2024-05-21 09:53:34] [INFO ] Implicit Places using invariants in 100 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 102 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 32688 ms. Remains : 65/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 265 ms :[(AND (NOT p2) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p3)), (NOT p1), true, (AND (NOT p1) (NOT p3)), (NOT p3)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-09
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-09 finished in 32980 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 (p1||G(!p0)))))'
Support contains 6 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:53:34] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:53:34] [INFO ] Invariant cache hit.
[2024-05-21 09:53:34] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:53:36] [INFO ] Deduced a trap composed of 5 places in 64 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:53:40] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 0 ms to minimize.
[2024-05-21 09:53:40] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11950 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/599 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:54:00] [INFO ] Deduced a trap composed of 5 places in 104 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 1/600 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints]
After SMT, in 32958ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 32967ms
[2024-05-21 09:54:07] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:54:07] [INFO ] Invariant cache hit.
[2024-05-21 09:54:07] [INFO ] Implicit Places using invariants in 139 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 145 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 33119 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 82 ms :[true, (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-10
Product exploration explored 100000 steps with 1718 reset in 284 ms.
Product exploration explored 100000 steps with 1741 reset in 282 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 124 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 5 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 153 ms :[true, (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40000 steps (224 resets) in 319 ms. (125 steps per ms) remains 3/5 properties
BEST_FIRST walk for 40004 steps (95 resets) in 890 ms. (44 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (89 resets) in 317 ms. (125 steps per ms) remains 1/3 properties
[2024-05-21 09:54:08] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2024-05-21 09:54:08] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 09:54:08] [INFO ] State equation strengthened by 20 read => feed constraints.
Problem apf0 is UNSAT
After SMT solving in domain Real declared 6/190 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 0/5 constraints, State Equation: 0/64 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 71ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 10 factoid took 241 ms. Reduced automaton from 5 states, 13 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 80 ms :[true, p0, p0]
Support contains 6 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 20 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:54:09] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:54:09] [INFO ] Invariant cache hit.
[2024-05-21 09:54:09] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:54:11] [INFO ] Deduced a trap composed of 5 places in 57 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 90 constraints, problems are : Problem set: 0 solved, 503 unsolved in 9940 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/593 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:54:29] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 30792ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 30798ms
[2024-05-21 09:54:40] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:54:40] [INFO ] Invariant cache hit.
[2024-05-21 09:54:40] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-21 09:54:40] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:54:40] [INFO ] Invariant cache hit.
[2024-05-21 09:54:40] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:54:40] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
[2024-05-21 09:54:40] [INFO ] Redundant transitions in 5 ms returned []
Running 503 sub problems to find dead transitions.
[2024-05-21 09:54:40] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:54:40] [INFO ] Invariant cache hit.
[2024-05-21 09:54:40] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:54:42] [INFO ] Deduced a trap composed of 5 places in 55 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 90 constraints, problems are : Problem set: 0 solved, 503 unsolved in 10570 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/593 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:55:00] [INFO ] Deduced a trap composed of 5 places in 99 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 29513 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 40857ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40865ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 71906 ms. Remains : 64/64 places, 506/506 transitions.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 74 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 58 ms :[true, p0, p0]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 40000 steps (224 resets) in 182 ms. (218 steps per ms) remains 1/3 properties
BEST_FIRST walk for 7519 steps (15 resets) in 14 ms. (501 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 146 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 56 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 61 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 60 ms :[true, p0, p0]
Product exploration explored 100000 steps with 1754 reset in 195 ms.
Product exploration explored 100000 steps with 1745 reset in 200 ms.
Support contains 6 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 11 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:55:22] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:55:22] [INFO ] Invariant cache hit.
[2024-05-21 09:55:22] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:55:24] [INFO ] Deduced a trap composed of 5 places in 54 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 90 constraints, problems are : Problem set: 0 solved, 503 unsolved in 10159 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/593 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:55:41] [INFO ] Deduced a trap composed of 5 places in 80 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 30989ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 30994ms
[2024-05-21 09:55:53] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:55:53] [INFO ] Invariant cache hit.
[2024-05-21 09:55:53] [INFO ] Implicit Places using invariants in 115 ms returned []
[2024-05-21 09:55:53] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:55:53] [INFO ] Invariant cache hit.
[2024-05-21 09:55:53] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:55:53] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2024-05-21 09:55:53] [INFO ] Redundant transitions in 2 ms returned []
Running 503 sub problems to find dead transitions.
[2024-05-21 09:55:53] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:55:53] [INFO ] Invariant cache hit.
[2024-05-21 09:55:53] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:55:55] [INFO ] Deduced a trap composed of 5 places in 71 ms of which 15 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 90 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11070 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/593 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:56:14] [INFO ] Deduced a trap composed of 5 places in 84 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 29024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 40928ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40933ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 72231 ms. Remains : 64/64 places, 506/506 transitions.
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-10 finished in 180140 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(X((p0||G(p1)))))'
Support contains 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 1 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:56:34] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 09:56:34] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 09:56:34] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:56:36] [INFO ] Deduced a trap composed of 5 places in 57 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:56:40] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 1 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 10644 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:57:03] [INFO ] Deduced a trap composed of 5 places in 64 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/192 variables, 1/599 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 599 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 31386ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 31392ms
[2024-05-21 09:57:05] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:57:05] [INFO ] Invariant cache hit.
[2024-05-21 09:57:06] [INFO ] Implicit Places using invariants in 136 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 137 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31535 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 143 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-11 finished in 31693 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(X(F(p0))))'
Support contains 1 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:57:06] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:57:06] [INFO ] Invariant cache hit.
[2024-05-21 09:57:06] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:57:08] [INFO ] Deduced a trap composed of 5 places in 80 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:57:12] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 1 ms to minimize.
[2024-05-21 09:57:12] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11367 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/599 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:57:29] [INFO ] Deduced a trap composed of 5 places in 105 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 1/600 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints]
After SMT, in 32302ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 32309ms
[2024-05-21 09:57:38] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:57:38] [INFO ] Invariant cache hit.
[2024-05-21 09:57:38] [INFO ] Implicit Places using invariants in 142 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 143 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 32457 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-12
Product exploration explored 100000 steps with 1715 reset in 184 ms.
Product exploration explored 100000 steps with 1769 reset in 177 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/64 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 116 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 240 steps (0 resets) in 4 ms. (48 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 110 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 09:57:39] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2024-05-21 09:57:39] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 09:57:39] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 09:57:39] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-21 09:57:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 09:57:40] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 09:57:40] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-21 09:57:40] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:57:40] [INFO ] [Nat]Added 20 Read/Feed constraints in 14 ms returned sat
[2024-05-21 09:57:40] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 17 ms.
[2024-05-21 09:57:40] [INFO ] Added : 10 causal constraints over 3 iterations in 76 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:57:40] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:57:40] [INFO ] Invariant cache hit.
[2024-05-21 09:57:40] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:57:42] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 90 constraints, problems are : Problem set: 0 solved, 503 unsolved in 9826 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/593 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:57:58] [INFO ] Deduced a trap composed of 5 places in 50 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 30765ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 30771ms
[2024-05-21 09:58:10] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:58:11] [INFO ] Invariant cache hit.
[2024-05-21 09:58:11] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-21 09:58:11] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:58:11] [INFO ] Invariant cache hit.
[2024-05-21 09:58:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:58:11] [INFO ] Implicit Places using invariants and state equation in 196 ms returned []
Implicit Place search using SMT with State Equation took 323 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:58:11] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:58:11] [INFO ] Invariant cache hit.
[2024-05-21 09:58:11] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:58:13] [INFO ] Deduced a trap composed of 5 places in 57 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 90 constraints, problems are : Problem set: 0 solved, 503 unsolved in 10343 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/593 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:58:31] [INFO ] Deduced a trap composed of 5 places in 75 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 41270ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 41276ms
Finished structural reductions in LTL mode , in 1 iterations and 72374 ms. Remains : 64/64 places, 506/506 transitions.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/64 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 87 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 246 steps (0 resets) in 6 ms. (35 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 99 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 09:58:53] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:58:53] [INFO ] Invariant cache hit.
[2024-05-21 09:58:53] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 09:58:53] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-21 09:58:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 09:58:53] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 09:58:53] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-21 09:58:53] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:58:53] [INFO ] [Nat]Added 20 Read/Feed constraints in 14 ms returned sat
[2024-05-21 09:58:53] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 17 ms.
[2024-05-21 09:58:53] [INFO ] Added : 10 causal constraints over 3 iterations in 77 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1730 reset in 235 ms.
Product exploration explored 100000 steps with 1776 reset in 244 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 64 transition count 506
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 23 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:58:54] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2024-05-21 09:58:54] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 09:58:54] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:58:56] [INFO ] Deduced a trap composed of 5 places in 76 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Problem TDEAD20 is UNSAT
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 1 solved, 502 unsolved
[2024-05-21 09:59:01] [INFO ] Deduced a trap composed of 15 places in 78 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/91 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 1 solved, 502 unsolved in 12166 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 1 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/6 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 1/64 variables, 1/7 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 5 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 502/593 constraints. Problems are: Problem set: 1 solved, 502 unsolved
[2024-05-21 09:59:19] [INFO ] Deduced a trap composed of 14 places in 88 ms of which 1 ms to minimize.
[2024-05-21 09:59:19] [INFO ] Deduced a trap composed of 4 places in 86 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 2/595 constraints. Problems are: Problem set: 1 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 595 constraints, problems are : Problem set: 1 solved, 502 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/503 constraints, Known Traps: 4/4 constraints]
After SMT, in 33056ms problems are : Problem set: 1 solved, 502 unsolved
Search for dead transitions found 1 dead transitions in 33064ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
[2024-05-21 09:59:27] [INFO ] Redundant transitions in 6 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 64/64 places, 505/506 transitions.
Graph (complete) has 1049 edges and 64 vertex of which 63 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 23 ms. Remains 63 /64 variables (removed 1) and now considering 505/505 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 63/64 places, 505/506 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 33125 ms. Remains : 63/64 places, 505/506 transitions.
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:59:27] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2024-05-21 09:59:27] [INFO ] Computed 5 invariants in 0 ms
[2024-05-21 09:59:27] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:59:29] [INFO ] Deduced a trap composed of 5 places in 83 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 90 constraints, problems are : Problem set: 0 solved, 503 unsolved in 10541 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/593 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:59:47] [INFO ] Deduced a trap composed of 5 places in 99 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 31369ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 31377ms
[2024-05-21 09:59:58] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:59:58] [INFO ] Invariant cache hit.
[2024-05-21 09:59:59] [INFO ] Implicit Places using invariants in 114 ms returned []
[2024-05-21 09:59:59] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:59:59] [INFO ] Invariant cache hit.
[2024-05-21 09:59:59] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:59:59] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:59:59] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:59:59] [INFO ] Invariant cache hit.
[2024-05-21 09:59:59] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:00:01] [INFO ] Deduced a trap composed of 5 places in 75 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 90 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11631 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/593 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:00:20] [INFO ] Deduced a trap composed of 5 places in 91 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30007 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 42378ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 42384ms
Finished structural reductions in LTL mode , in 1 iterations and 74110 ms. Remains : 64/64 places, 506/506 transitions.
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-12 finished in 215434 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&&G(p1))||(F(G(p2))&&G(p0))))))'
Support contains 8 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 27 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:00:41] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 10:00:41] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:00:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:00:43] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:00:48] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 13132 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 34074ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 34081ms
[2024-05-21 10:01:15] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:15] [INFO ] Invariant cache hit.
[2024-05-21 10:01:15] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-21 10:01:15] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:15] [INFO ] Invariant cache hit.
[2024-05-21 10:01:15] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:01:16] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2024-05-21 10:01:16] [INFO ] Redundant transitions in 2 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 10:01:16] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:16] [INFO ] Invariant cache hit.
[2024-05-21 10:01:16] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:01:18] [INFO ] Deduced a trap composed of 5 places in 66 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:01:21] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11141 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 29879 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 41849ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 41855ms
Starting structural reductions in SI_LTL mode, iteration 1 : 65/66 places, 505/506 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 76179 ms. Remains : 65/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 209 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-13
Product exploration explored 100000 steps with 585 reset in 273 ms.
Product exploration explored 100000 steps with 585 reset in 275 ms.
Computed a total of 48 stabilizing places and 81 stable transitions
Computed a total of 48 stabilizing places and 81 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p2), (X (NOT (AND p0 p1))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))))), (X (NOT (AND p0 p1 p2))), (X (OR (AND (NOT p0) p2) (AND (NOT p1) p2))), (X (NOT (AND p0 p1 (NOT p2)))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2)))))), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (AND (NOT p0) p2) (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 27 factoid took 160 ms. Reduced automaton from 5 states, 22 edges and 3 AP (stutter insensitive) to 5 states, 22 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 242 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 17 to 16
RANDOM walk for 40000 steps (224 resets) in 258 ms. (154 steps per ms) remains 3/16 properties
BEST_FIRST walk for 40004 steps (103 resets) in 121 ms. (327 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (104 resets) in 114 ms. (347 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (88 resets) in 112 ms. (354 steps per ms) remains 3/3 properties
[2024-05-21 10:01:59] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:59] [INFO ] Invariant cache hit.
[2024-05-21 10:01:59] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf1 is UNSAT
Problem apf2 is UNSAT
Problem apf11 is UNSAT
After SMT solving in domain Real declared 52/190 variables, and 5 constraints, problems are : Problem set: 3 solved, 0 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 5/6 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/65 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 75ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p2), (X (NOT (AND p0 p1))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))))), (X (NOT (AND p0 p1 p2))), (X (OR (AND (NOT p0) p2) (AND (NOT p1) p2))), (X (NOT (AND p0 p1 (NOT p2)))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2)))))), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (AND (NOT p0) p2) (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X p0)), (X (X (NOT p1))), (G (OR p2 (NOT p1))), (G (OR (NOT p0) p2 (NOT p1))), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p2 p1))), (F (NOT (AND (OR p0 p2) (OR p2 p1)))), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT p0)), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (AND (NOT p0) p2) (AND p2 (NOT p1))))), (F (NOT (OR p2 p1))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p2) (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p2) (NOT p1)))), (F (NOT (AND p2 (NOT p1)))), (F (NOT p2)), (F p1), (F (NOT (AND p0 (NOT p1))))]
Knowledge based reduction with 30 factoid took 691 ms. Reduced automaton from 5 states, 22 edges and 3 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Stuttering acceptance computed with spot in 85 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Support contains 5 out of 65 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 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 18 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:02:00] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:02:00] [INFO ] Invariant cache hit.
[2024-05-21 10:02:00] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:02:02] [INFO ] Deduced a trap composed of 5 places in 78 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:02:06] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 12144 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 33101ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 33107ms
[2024-05-21 10:02:33] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:02:33] [INFO ] Invariant cache hit.
[2024-05-21 10:02:33] [INFO ] Implicit Places using invariants in 114 ms returned []
[2024-05-21 10:02:33] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:02:33] [INFO ] Invariant cache hit.
[2024-05-21 10:02:33] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:02:33] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 292 ms to find 0 implicit places.
[2024-05-21 10:02:33] [INFO ] Redundant transitions in 3 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 10:02:33] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:02:33] [INFO ] Invariant cache hit.
[2024-05-21 10:02:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:02:35] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:02:39] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11868 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30006 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 42643ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 42648ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 76076 ms. Remains : 65/65 places, 505/505 transitions.
Computed a total of 48 stabilizing places and 81 stable transitions
Computed a total of 48 stabilizing places and 81 stable transitions
Knowledge obtained : [(AND p0 p2), (X p2), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (X p2)), (X (X (NOT (AND p0 (NOT p2))))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 77 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 58 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
RANDOM walk for 370 steps (0 resets) in 6 ms. (52 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p2), (X p2), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (X p2)), (X (X (NOT (AND p0 (NOT p2))))), (X (X p0))]
False Knowledge obtained : [(F (NOT p2)), (F (NOT p0)), (F (NOT (OR p2 (NOT p0))))]
Knowledge based reduction with 7 factoid took 151 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Stuttering acceptance computed with spot in 61 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Stuttering acceptance computed with spot in 62 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Product exploration explored 100000 steps with 585 reset in 328 ms.
Product exploration explored 100000 steps with 585 reset in 363 ms.
Support contains 5 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 14 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:03:17] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:03:17] [INFO ] Invariant cache hit.
[2024-05-21 10:03:17] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:03:19] [INFO ] Deduced a trap composed of 5 places in 62 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:03:23] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 12217 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32969ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32975ms
[2024-05-21 10:03:50] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:03:50] [INFO ] Invariant cache hit.
[2024-05-21 10:03:50] [INFO ] Implicit Places using invariants in 122 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 123 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/65 places, 505/505 transitions.
Applied a total of 0 rules in 14 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 33128 ms. Remains : 64/65 places, 505/505 transitions.
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-13 finished in 189026 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)||F(p1)))'
Support contains 7 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 13 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:03:50] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 10:03:50] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:03:50] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:03:52] [INFO ] Deduced a trap composed of 5 places in 71 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:03:57] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 1 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11253 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/75 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:04:20] [INFO ] Deduced a trap composed of 5 places in 78 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/192 variables, 1/599 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 599 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 32071ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 32077ms
[2024-05-21 10:04:22] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:04:22] [INFO ] Invariant cache hit.
[2024-05-21 10:04:22] [INFO ] Implicit Places using invariants in 133 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 135 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 15 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32242 ms. Remains : 65/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-14
Stuttering criterion allowed to conclude after 3985 steps with 81 reset in 8 ms.
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-14 finished in 32316 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' '!((!p0 U (p1 U p2)))'
Support contains 9 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 19 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:04:23] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:04:23] [INFO ] Invariant cache hit.
[2024-05-21 10:04:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:04:25] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:04:29] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 1 ms to minimize.
[2024-05-21 10:04:29] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11766 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/76 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/96 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/599 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:04:47] [INFO ] Deduced a trap composed of 5 places in 98 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 1/600 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 600 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 4/4 constraints]
After SMT, in 32659ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 32666ms
[2024-05-21 10:04:55] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:04:55] [INFO ] Invariant cache hit.
[2024-05-21 10:04:55] [INFO ] Implicit Places using invariants in 89 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 91 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 17 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32796 ms. Remains : 65/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 77 ms :[true, (NOT p2), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-15
Product exploration explored 100000 steps with 1285 reset in 234 ms.
Product exploration explored 100000 steps with 1245 reset in 240 ms.
Computed a total of 48 stabilizing places and 82 stable transitions
Computed a total of 48 stabilizing places and 82 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p2) p1))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (AND (NOT p2) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p2) p1 p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) p1 p0))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 141 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 106 ms :[true, (NOT p2), (NOT p2)]
RANDOM walk for 40000 steps (224 resets) in 221 ms. (180 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40003 steps (98 resets) in 335 ms. (119 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (88 resets) in 312 ms. (127 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (76 resets) in 140 ms. (283 steps per ms) remains 3/3 properties
[2024-05-21 10:04:57] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2024-05-21 10:04:57] [INFO ] Computed 6 invariants in 3 ms
[2024-05-21 10:04:57] [INFO ] State equation strengthened by 20 read => feed constraints.
Problem apf2 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 54/63 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 126/189 variables, 63/69 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/89 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/89 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/191 variables, 2/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 91 constraints, problems are : Problem set: 1 solved, 2 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 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) 0/9 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 54/63 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 126/189 variables, 63/69 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/89 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 2/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/191 variables, 2/93 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/191 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 93 constraints, problems are : Problem set: 1 solved, 2 unsolved in 221 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 312ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 111 ms.
Support contains 9 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 11 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:04:57] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:04:57] [INFO ] Invariant cache hit.
[2024-05-21 10:04:57] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:04:59] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:05:03] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:05:05] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 13408 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 34182ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 34187ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34200 ms. Remains : 65/65 places, 506/506 transitions.
RANDOM walk for 40000 steps (224 resets) in 858 ms. (46 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (89 resets) in 219 ms. (181 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (77 resets) in 153 ms. (259 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 708751 steps, run timeout after 3001 ms. (steps per millisecond=236 ) properties seen :0 out of 2
Probabilistic random walk after 708751 steps, saw 172880 distinct states, run finished after 3001 ms. (steps per millisecond=236 ) properties seen :0
[2024-05-21 10:05:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:05:35] [INFO ] Invariant cache hit.
[2024-05-21 10:05:35] [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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 54/63 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 126/189 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/191 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 91 constraints, problems are : Problem set: 0 solved, 2 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 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) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 54/63 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 126/189 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/191 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/191 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 93 constraints, problems are : Problem set: 0 solved, 2 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 262ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 53 ms.
Support contains 9 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 9 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 65/65 places, 506/506 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 9 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
[2024-05-21 10:05:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:05:35] [INFO ] Invariant cache hit.
[2024-05-21 10:05:35] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-21 10:05:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:05:35] [INFO ] Invariant cache hit.
[2024-05-21 10:05:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:05:35] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-21 10:05:35] [INFO ] Redundant transitions in 2 ms returned []
Running 503 sub problems to find dead transitions.
[2024-05-21 10:05:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:05:35] [INFO ] Invariant cache hit.
[2024-05-21 10:05:35] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:05:37] [INFO ] Deduced a trap composed of 5 places in 56 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:05:41] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:05:43] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 12790 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 24607 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 38093ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 38097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38295 ms. Remains : 65/65 places, 506/506 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Iterating post reduction 0 with 380 rules applied. Total rules applied 380 place count 65 transition count 126
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 384 place count 63 transition count 124
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 385 place count 63 transition count 123
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 386 place count 62 transition count 123
Applied a total of 386 rules in 4 ms. Remains 62 /65 variables (removed 3) and now considering 123/506 (removed 383) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 123 rows 62 cols
[2024-05-21 10:06:13] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 10:06:13] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:06:13] [INFO ] After 98ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-21 10:06:13] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2024-05-21 10:06:13] [INFO ] After 48ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-05-21 10:06:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-21 10:06:13] [INFO ] After 21ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-21 10:06:13] [INFO ] After 46ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-21 10:06:13] [INFO ] After 149ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 258 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p2) p1))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (AND (NOT p2) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p2) p1 p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) p1 p0)))), (G (OR p1 p2 (NOT p0)))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p0)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F p2), (F (NOT (OR (NOT p1) p2))), (F p1)]
Knowledge based reduction with 18 factoid took 214 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[true, (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 73 ms :[true, (NOT p2), (NOT p2)]
[2024-05-21 10:06:14] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2024-05-21 10:06:14] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 10:06:14] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:06:14] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-21 10:06:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:06:14] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:06:14] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-21 10:06:14] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:06:14] [INFO ] [Nat]Added 20 Read/Feed constraints in 7 ms returned sat
[2024-05-21 10:06:14] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 13 ms.
[2024-05-21 10:06:14] [INFO ] Added : 17 causal constraints over 6 iterations in 70 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 9 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 11 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:06:14] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:06:14] [INFO ] Invariant cache hit.
[2024-05-21 10:06:14] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:06:16] [INFO ] Deduced a trap composed of 5 places in 48 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:06:21] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:06:23] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 13797 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 34502ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 34507ms
[2024-05-21 10:06:49] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:06:49] [INFO ] Invariant cache hit.
[2024-05-21 10:06:49] [INFO ] Implicit Places using invariants in 75 ms returned []
[2024-05-21 10:06:49] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:06:49] [INFO ] Invariant cache hit.
[2024-05-21 10:06:49] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:06:49] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 228 ms to find 0 implicit places.
[2024-05-21 10:06:49] [INFO ] Redundant transitions in 2 ms returned []
Running 503 sub problems to find dead transitions.
[2024-05-21 10:06:49] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:06:49] [INFO ] Invariant cache hit.
[2024-05-21 10:06:49] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:06:51] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:06:55] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:06:57] [INFO ] Deduced a trap composed of 14 places in 62 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 12584 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 26186 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 39474ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 39478ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 74234 ms. Remains : 65/65 places, 506/506 transitions.
Computed a total of 48 stabilizing places and 82 stable transitions
Computed a total of 48 stabilizing places and 82 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (AND (NOT p2) (NOT p0))), (X (NOT p0)), (X (NOT (AND p1 (NOT p2) p0))), (X (NOT p1)), (X (AND (NOT p1) (NOT p2))), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT p1))), (X (X (AND (NOT p1) (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 191 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p2), (NOT p2)]
RANDOM walk for 40001 steps (224 resets) in 770 ms. (51 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40003 steps (76 resets) in 631 ms. (63 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (87 resets) in 374 ms. (106 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (97 resets) in 497 ms. (80 steps per ms) remains 3/3 properties
[2024-05-21 10:07:30] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:07:30] [INFO ] Invariant cache hit.
[2024-05-21 10:07:30] [INFO ] State equation strengthened by 20 read => feed constraints.
Problem apf7 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 54/63 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 126/189 variables, 63/69 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/89 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/89 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/191 variables, 2/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 91 constraints, problems are : Problem set: 1 solved, 2 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 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) 0/9 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 54/63 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 126/189 variables, 63/69 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/89 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 2/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/191 variables, 2/93 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/191 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 93 constraints, problems are : Problem set: 1 solved, 2 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 367ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 139 ms.
Support contains 9 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 12 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:07:30] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:07:30] [INFO ] Invariant cache hit.
[2024-05-21 10:07:30] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:07:32] [INFO ] Deduced a trap composed of 5 places in 55 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:07:36] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:07:38] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 13231 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 33980ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 33986ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33999 ms. Remains : 65/65 places, 506/506 transitions.
RANDOM walk for 40000 steps (224 resets) in 709 ms. (56 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (77 resets) in 285 ms. (139 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (88 resets) in 278 ms. (143 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 628215 steps, run timeout after 3001 ms. (steps per millisecond=209 ) properties seen :0 out of 2
Probabilistic random walk after 628215 steps, saw 154353 distinct states, run finished after 3001 ms. (steps per millisecond=209 ) properties seen :0
[2024-05-21 10:08:07] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:08:07] [INFO ] Invariant cache hit.
[2024-05-21 10:08:07] [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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 54/63 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 126/189 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/191 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 91 constraints, problems are : Problem set: 0 solved, 2 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 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) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 54/63 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 126/189 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/191 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/191 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 93 constraints, problems are : Problem set: 0 solved, 2 unsolved in 228 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 360ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 124 ms.
Support contains 9 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 11 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 65/65 places, 506/506 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 11 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
[2024-05-21 10:08:08] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:08:08] [INFO ] Invariant cache hit.
[2024-05-21 10:08:08] [INFO ] Implicit Places using invariants in 111 ms returned []
[2024-05-21 10:08:08] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:08:08] [INFO ] Invariant cache hit.
[2024-05-21 10:08:08] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:08:08] [INFO ] Implicit Places using invariants and state equation in 154 ms returned []
Implicit Place search using SMT with State Equation took 267 ms to find 0 implicit places.
[2024-05-21 10:08:08] [INFO ] Redundant transitions in 3 ms returned []
Running 503 sub problems to find dead transitions.
[2024-05-21 10:08:08] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:08:08] [INFO ] Invariant cache hit.
[2024-05-21 10:08:08] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:08:10] [INFO ] Deduced a trap composed of 5 places in 48 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:08:15] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:08:17] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 14140 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 26558 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 41496ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 41502ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41789 ms. Remains : 65/65 places, 506/506 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Iterating post reduction 0 with 380 rules applied. Total rules applied 380 place count 65 transition count 126
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 384 place count 63 transition count 124
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 385 place count 63 transition count 123
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 386 place count 62 transition count 123
Applied a total of 386 rules in 7 ms. Remains 62 /65 variables (removed 3) and now considering 123/506 (removed 383) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 123 rows 62 cols
[2024-05-21 10:08:50] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 10:08:50] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:08:50] [INFO ] After 90ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-21 10:08:50] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:08:50] [INFO ] After 61ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-05-21 10:08:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-21 10:08:50] [INFO ] After 24ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-21 10:08:50] [INFO ] After 48ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-21 10:08:50] [INFO ] After 166ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 272 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (AND (NOT p2) (NOT p0))), (X (NOT p0)), (X (NOT (AND p1 (NOT p2) p0))), (X (NOT p1)), (X (AND (NOT p1) (NOT p2))), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT p1))), (X (X (AND (NOT p1) (NOT p2)))), (G (OR (NOT p0) p2 p1))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F p1), (F p2), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 18 factoid took 342 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[true, (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p2), (NOT p2)]
[2024-05-21 10:08:51] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2024-05-21 10:08:51] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 10:08:51] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:08:51] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-21 10:08:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:08:51] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:08:51] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2024-05-21 10:08:51] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:08:51] [INFO ] [Nat]Added 20 Read/Feed constraints in 10 ms returned sat
[2024-05-21 10:08:51] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 15 ms.
[2024-05-21 10:08:51] [INFO ] Added : 17 causal constraints over 6 iterations in 92 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 92 ms :[true, (NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 1250 reset in 303 ms.
Product exploration explored 100000 steps with 1239 reset in 311 ms.
Support contains 9 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 14 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:08:52] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:08:52] [INFO ] Invariant cache hit.
[2024-05-21 10:08:52] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:08:54] [INFO ] Deduced a trap composed of 5 places in 56 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:08:58] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:09:00] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 13285 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 34205ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 34211ms
[2024-05-21 10:09:26] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:09:26] [INFO ] Invariant cache hit.
[2024-05-21 10:09:26] [INFO ] Implicit Places using invariants in 114 ms returned []
[2024-05-21 10:09:26] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:09:26] [INFO ] Invariant cache hit.
[2024-05-21 10:09:26] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:09:26] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 267 ms to find 0 implicit places.
[2024-05-21 10:09:26] [INFO ] Redundant transitions in 3 ms returned []
Running 503 sub problems to find dead transitions.
[2024-05-21 10:09:26] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:09:26] [INFO ] Invariant cache hit.
[2024-05-21 10:09:26] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:09:28] [INFO ] Deduced a trap composed of 5 places in 63 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:09:32] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:09:34] [INFO ] Deduced a trap composed of 14 places in 68 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 13708 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 26427 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 3/3 constraints]
After SMT, in 40904ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 40910ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 75411 ms. Remains : 65/65 places, 506/506 transitions.
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-15 finished in 344680 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(X(X(F(p0)))))'
Found a Shortening insensitive property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-02
Stuttering acceptance computed with spot in 157 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 22 out of 66 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 63 transition count 504
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 61 transition count 502
Applied a total of 9 rules in 24 ms. Remains 61 /66 variables (removed 5) and now considering 502/506 (removed 4) transitions.
[2024-05-21 10:10:08] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
// Phase 1: matrix 122 rows 61 cols
[2024-05-21 10:10:08] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 10:10:08] [INFO ] Implicit Places using invariants in 93 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 106 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 59/66 places, 502/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 134 ms. Remains : 59/66 places, 502/506 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-02
Product exploration explored 100000 steps with 1711 reset in 253 ms.
Product exploration explored 100000 steps with 1715 reset in 261 ms.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Detected a total of 44/59 stabilizing places and 80/502 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 67 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 267 steps (0 resets) in 4 ms. (53 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 71 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 10:10:09] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
// Phase 1: matrix 122 rows 59 cols
[2024-05-21 10:10:09] [INFO ] Computed 4 invariants in 0 ms
[2024-05-21 10:10:09] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:10:09] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-21 10:10:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:10:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:10:09] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-21 10:10:09] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:10:09] [INFO ] [Nat]Added 20 Read/Feed constraints in 31 ms returned sat
[2024-05-21 10:10:09] [INFO ] Deduced a trap composed of 12 places in 100 ms of which 1 ms to minimize.
[2024-05-21 10:10:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 117 ms
[2024-05-21 10:10:09] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 71 transitions) in 14 ms.
[2024-05-21 10:10:09] [INFO ] Added : 6 causal constraints over 2 iterations in 41 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 22 out of 59 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 59/59 places, 502/502 transitions.
Applied a total of 0 rules in 1 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
[2024-05-21 10:10:09] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 10:10:09] [INFO ] Invariant cache hit.
[2024-05-21 10:10:09] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-21 10:10:09] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 10:10:09] [INFO ] Invariant cache hit.
[2024-05-21 10:10:09] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:10:09] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 210 ms to find 0 implicit places.
Running 499 sub problems to find dead transitions.
[2024-05-21 10:10:09] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 10:10:09] [INFO ] Invariant cache hit.
[2024-05-21 10:10:09] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 2 (OVERLAPS) 122/181 variables, 59/63 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/181 variables, 20/83 constraints. Problems are: Problem set: 0 solved, 499 unsolved
[2024-05-21 10:10:14] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 6 (OVERLAPS) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 84 constraints, problems are : Problem set: 0 solved, 499 unsolved in 10111 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 499/499 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 499 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 3 (OVERLAPS) 122/181 variables, 59/64 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 20/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 499/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 583 constraints, problems are : Problem set: 0 solved, 499 unsolved in 24463 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 499/499 constraints, Known Traps: 1/1 constraints]
After SMT, in 35300ms problems are : Problem set: 0 solved, 499 unsolved
Search for dead transitions found 0 dead transitions in 35305ms
Finished structural reductions in LTL mode , in 1 iterations and 35518 ms. Remains : 59/59 places, 502/502 transitions.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Detected a total of 44/59 stabilizing places and 80/502 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 77 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 231 steps (0 resets) in 5 ms. (38 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 68 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 10:10:45] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 10:10:45] [INFO ] Invariant cache hit.
[2024-05-21 10:10:45] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:10:45] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-21 10:10:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:10:46] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:10:46] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-21 10:10:46] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:10:46] [INFO ] [Nat]Added 20 Read/Feed constraints in 33 ms returned sat
[2024-05-21 10:10:46] [INFO ] Deduced a trap composed of 12 places in 65 ms of which 1 ms to minimize.
[2024-05-21 10:10:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 90 ms
[2024-05-21 10:10:46] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 71 transitions) in 14 ms.
[2024-05-21 10:10:46] [INFO ] Added : 21 causal constraints over 6 iterations in 70 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1720 reset in 241 ms.
Product exploration explored 100000 steps with 1723 reset in 250 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 22 out of 59 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 59/59 places, 502/502 transitions.
Applied a total of 0 rules in 15 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
[2024-05-21 10:10:47] [INFO ] Redundant transitions in 3 ms returned []
Running 499 sub problems to find dead transitions.
[2024-05-21 10:10:47] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 10:10:47] [INFO ] Invariant cache hit.
[2024-05-21 10:10:47] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 2 (OVERLAPS) 122/181 variables, 59/63 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/181 variables, 20/83 constraints. Problems are: Problem set: 0 solved, 499 unsolved
[2024-05-21 10:10:51] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 6 (OVERLAPS) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 84 constraints, problems are : Problem set: 0 solved, 499 unsolved in 9922 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 499/499 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 499 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 3 (OVERLAPS) 122/181 variables, 59/64 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 20/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 499/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 583 constraints, problems are : Problem set: 0 solved, 499 unsolved in 23234 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 499/499 constraints, Known Traps: 1/1 constraints]
After SMT, in 33833ms problems are : Problem set: 0 solved, 499 unsolved
Search for dead transitions found 0 dead transitions in 33839ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 33863 ms. Remains : 59/59 places, 502/502 transitions.
Support contains 22 out of 59 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 59/59 places, 502/502 transitions.
Applied a total of 0 rules in 1 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
[2024-05-21 10:11:20] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 10:11:20] [INFO ] Invariant cache hit.
[2024-05-21 10:11:21] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-21 10:11:21] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 10:11:21] [INFO ] Invariant cache hit.
[2024-05-21 10:11:21] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:11:21] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 235 ms to find 0 implicit places.
Running 499 sub problems to find dead transitions.
[2024-05-21 10:11:21] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
[2024-05-21 10:11:21] [INFO ] Invariant cache hit.
[2024-05-21 10:11:21] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 2 (OVERLAPS) 122/181 variables, 59/63 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/181 variables, 20/83 constraints. Problems are: Problem set: 0 solved, 499 unsolved
[2024-05-21 10:11:26] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 6 (OVERLAPS) 0/181 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 84 constraints, problems are : Problem set: 0 solved, 499 unsolved in 10132 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 499/499 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 499 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 3 (OVERLAPS) 122/181 variables, 59/64 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 20/84 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 499/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 499 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 583 constraints, problems are : Problem set: 0 solved, 499 unsolved in 24803 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 59/59 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 499/499 constraints, Known Traps: 1/1 constraints]
After SMT, in 35739ms problems are : Problem set: 0 solved, 499 unsolved
Search for dead transitions found 0 dead transitions in 35745ms
Finished structural reductions in LTL mode , in 1 iterations and 35983 ms. Remains : 59/59 places, 502/502 transitions.
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-02 finished in 109258 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(p1)||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' '!(X((!p0 U (p1||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' '!(X(X(F(p0))))'
Found a Shortening insensitive property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-12
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 66 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 10 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:11:57] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 10:11:57] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:11:57] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:11:59] [INFO ] Deduced a trap composed of 5 places in 50 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 8596 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:12:12] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 29502ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 29509ms
[2024-05-21 10:12:26] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:12:26] [INFO ] Invariant cache hit.
[2024-05-21 10:12:27] [INFO ] Implicit Places using invariants in 142 ms returned [22, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 144 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 5 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 29670 ms. Remains : 63/66 places, 505/506 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V20P10N10-LTLFireability-12
Product exploration explored 100000 steps with 2003 reset in 223 ms.
Product exploration explored 100000 steps with 2010 reset in 212 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/63 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 135 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 136 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 154 steps (0 resets) in 4 ms. (30 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 138 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 10:12:28] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2024-05-21 10:12:28] [INFO ] Computed 5 invariants in 0 ms
[2024-05-21 10:12:28] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 10:12:28] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-21 10:12:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:12:28] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:12:28] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-21 10:12:28] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:12:28] [INFO ] [Nat]Added 20 Read/Feed constraints in 33 ms returned sat
[2024-05-21 10:12:28] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 18 ms.
[2024-05-21 10:12:28] [INFO ] Added : 25 causal constraints over 8 iterations in 131 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:12:28] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:12:28] [INFO ] Invariant cache hit.
[2024-05-21 10:12:28] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:12:30] [INFO ] Deduced a trap composed of 5 places in 61 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10650 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 591 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
After SMT, in 31576ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31581ms
[2024-05-21 10:13:00] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:13:00] [INFO ] Invariant cache hit.
[2024-05-21 10:13:00] [INFO ] Implicit Places using invariants in 95 ms returned []
[2024-05-21 10:13:00] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:13:00] [INFO ] Invariant cache hit.
[2024-05-21 10:13:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:13:00] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 247 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:13:00] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:13:00] [INFO ] Invariant cache hit.
[2024-05-21 10:13:00] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:13:02] [INFO ] Deduced a trap composed of 5 places in 68 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10208 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 591 constraints, problems are : Problem set: 0 solved, 502 unsolved in 23293 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
After SMT, in 34311ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 34316ms
Finished structural reductions in LTL mode , in 1 iterations and 66150 ms. Remains : 63/63 places, 505/505 transitions.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/63 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 65 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 256 steps (0 resets) in 4 ms. (51 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 125 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 117 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 130 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 10:13:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:13:35] [INFO ] Invariant cache hit.
[2024-05-21 10:13:35] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:13:35] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-21 10:13:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:13:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:13:35] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-21 10:13:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:13:35] [INFO ] [Nat]Added 20 Read/Feed constraints in 44 ms returned sat
[2024-05-21 10:13:35] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 22 ms.
[2024-05-21 10:13:35] [INFO ] Added : 25 causal constraints over 8 iterations in 133 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1981 reset in 224 ms.
Product exploration explored 100000 steps with 1995 reset in 233 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 130 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 21 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:13:36] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:13:36] [INFO ] Invariant cache hit.
[2024-05-21 10:13:36] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:13:38] [INFO ] Deduced a trap composed of 5 places in 58 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9437 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 591 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20008 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
After SMT, in 30404ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 30411ms
[2024-05-21 10:14:07] [INFO ] Redundant transitions in 5 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 10:14:07] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:14:07] [INFO ] Invariant cache hit.
[2024-05-21 10:14:07] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:14:09] [INFO ] Deduced a trap composed of 5 places in 67 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9779 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 591 constraints, problems are : Problem set: 0 solved, 502 unsolved in 23252 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
After SMT, in 33819ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 33826ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 64275 ms. Remains : 63/63 places, 505/505 transitions.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 3 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:14:41] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:14:41] [INFO ] Invariant cache hit.
[2024-05-21 10:14:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:14:43] [INFO ] Deduced a trap composed of 5 places in 57 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11176 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 591 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
After SMT, in 32102ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32112ms
[2024-05-21 10:15:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:15:13] [INFO ] Invariant cache hit.
[2024-05-21 10:15:13] [INFO ] Implicit Places using invariants in 111 ms returned []
[2024-05-21 10:15:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:15:13] [INFO ] Invariant cache hit.
[2024-05-21 10:15:13] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:15:13] [INFO ] Implicit Places using invariants and state equation in 194 ms returned []
Implicit Place search using SMT with State Equation took 306 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:15:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:15:13] [INFO ] Invariant cache hit.
[2024-05-21 10:15:13] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:15:15] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10416 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 591 constraints, problems are : Problem set: 0 solved, 502 unsolved in 22383 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
After SMT, in 33630ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 33635ms
Finished structural reductions in LTL mode , in 1 iterations and 66061 ms. Remains : 63/63 places, 505/505 transitions.
Treatment of property BridgeAndVehicles-PT-V20P10N10-LTLFireability-12 finished in 229965 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&&G(p1))||(F(G(p2))&&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' '!((!p0 U (p1 U p2)))'
[2024-05-21 10:15:47] [INFO ] Flatten gal took : 33 ms
[2024-05-21 10:15:47] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-05-21 10:15:47] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 66 places, 506 transitions and 3740 arcs took 6 ms.
Total runtime 1952249 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-PT-V20P10N10

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: 66
TRANSITIONS: 506
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.014s, Sys 0.008s]


SAVING FILE /home/mcc/execution/415/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.001s]


----------------------------------------------------------------------
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: 3111
MODEL NAME: /home/mcc/execution/415/model
66 places, 506 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-V20P10N10-LTLFireability-10 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-07 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-12 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-15 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-02 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P10N10-LTLFireability-13 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716286858660

--------------------
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

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-V20P10N10"
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-V20P10N10, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r047-tajo-171620397700180"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P10N10.tgz
mv BridgeAndVehicles-PT-V20P10N10 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.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 ;