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-171620397400060.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-COL-V20P20N50, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397400060
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.5K Apr 13 02:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Apr 13 02:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Apr 13 02:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Apr 13 02:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 03:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Apr 13 03:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Apr 13 03:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 118K Apr 13 03:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 41K 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-COL-V20P20N50-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716276192804

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P20N50
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 07:23:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 07:23:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 07:23:14] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-21 07:23:15] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-21 07:23:15] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 776 ms
[2024-05-21 07:23:15] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 108 PT places and 90298.0 transition bindings in 23 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
[2024-05-21 07:23:15] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2024-05-21 07:23:15] [INFO ] Skeletonized 12 HLPN properties in 1 ms. Removed 4 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.15 ms
Remains 5 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
RANDOM walk for 236 steps (0 resets) in 24 ms. (9 steps per ms) remains 0/5 properties
[2024-05-21 07:23:16] [INFO ] Flatten gal took : 26 ms
[2024-05-21 07:23:16] [INFO ] Flatten gal took : 1 ms
Arc [13:1*[(MOD (ADD $cpt 1) 51)]] contains successor/predecessor on variables of sort compteur
Arc [1:1*[(MOD (ADD $cA 1) 21)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 21) 21) 21)]] contains successor/predecessor on variables of sort voitureB
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2024-05-21 07:23:16] [INFO ] Unfolded HLPN to a Petri net with 108 places and 2228 transitions 17190 arcs in 137 ms.
[2024-05-21 07:23:16] [INFO ] Unfolded 14 HLPN properties in 2 ms.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 106 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 2228/2228 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 106 transition count 2228
Applied a total of 2 rules in 85 ms. Remains 106 /108 variables (removed 2) and now considering 2228/2228 (removed 0) transitions.
Running 2225 sub problems to find dead transitions.
[2024-05-21 07:23:17] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 106 cols
[2024-05-21 07:23:17] [INFO ] Computed 5 invariants in 11 ms
[2024-05-21 07:23:17] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
[2024-05-21 07:23:42] [INFO ] Deduced a trap composed of 5 places in 435 ms of which 37 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/396 variables, and 6 constraints, problems are : Problem set: 0 solved, 2225 unsolved in 20085 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2225/2225 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
[2024-05-21 07:24:11] [INFO ] Deduced a trap composed of 55 places in 263 ms of which 2 ms to minimize.
Problem TDEAD1188 is UNSAT
Problem TDEAD1239 is UNSAT
Problem TDEAD1290 is UNSAT
Problem TDEAD1341 is UNSAT
Problem TDEAD1392 is UNSAT
Problem TDEAD1443 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/396 variables, and 7 constraints, problems are : Problem set: 6 solved, 2219 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2225 constraints, Known Traps: 2/2 constraints]
After SMT, in 57292ms problems are : Problem set: 6 solved, 2219 unsolved
Search for dead transitions found 6 dead transitions in 57389ms
Found 6 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 6 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 6 transitions.
[2024-05-21 07:24:14] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
// Phase 1: matrix 290 rows 106 cols
[2024-05-21 07:24:14] [INFO ] Computed 5 invariants in 6 ms
[2024-05-21 07:24:14] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-21 07:24:14] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:24:14] [INFO ] Invariant cache hit.
[2024-05-21 07:24:14] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:24:14] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 106/108 places, 2222/2228 transitions.
Applied a total of 0 rules in 23 ms. Remains 106 /106 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57868 ms. Remains : 106/108 places, 2222/2228 transitions.
Support contains 106 out of 106 places after structural reductions.
[2024-05-21 07:24:15] [INFO ] Flatten gal took : 294 ms
[2024-05-21 07:24:16] [INFO ] Flatten gal took : 221 ms
[2024-05-21 07:24:17] [INFO ] Input system was already deterministic with 2222 transitions.
Reduction of identical properties reduced properties to check from 18 to 15
RANDOM walk for 40000 steps (228 resets) in 3848 ms. (10 steps per ms) remains 1/15 properties
BEST_FIRST walk for 40001 steps (108 resets) in 403 ms. (99 steps per ms) remains 1/1 properties
[2024-05-21 07:24:19] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:24:19] [INFO ] Invariant cache hit.
[2024-05-21 07:24:19] [INFO ] State equation strengthened by 102 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/303 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/303 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 91/394 variables, 47/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/394 variables, 3/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 102/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/396 variables, 2/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/396 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/396 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 396/396 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 320 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 102/102 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/303 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/303 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 91/394 variables, 47/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/394 variables, 3/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 102/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/396 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/396 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/396 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 396/396 variables, and 214 constraints, problems are : Problem set: 0 solved, 1 unsolved in 518 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 911ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 450 ms.
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2220
Applied a total of 5 rules in 442 ms. Remains 103 /106 variables (removed 3) and now considering 2220/2222 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 443 ms. Remains : 103/106 places, 2220/2222 transitions.
RANDOM walk for 40000 steps (316 resets) in 646 ms. (61 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (164 resets) in 398 ms. (100 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 292395 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 1
Probabilistic random walk after 292395 steps, saw 83118 distinct states, run finished after 3004 ms. (steps per millisecond=97 ) properties seen :0
[2024-05-21 07:24:24] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
// Phase 1: matrix 288 rows 103 cols
[2024-05-21 07:24:24] [INFO ] Computed 4 invariants in 4 ms
[2024-05-21 07:24:24] [INFO ] State equation strengthened by 102 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/303 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/303 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 86/389 variables, 44/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/389 variables, 102/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/389 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/391 variables, 2/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/391 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 391/391 variables, and 209 constraints, problems are : Problem set: 0 solved, 1 unsolved in 257 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 103/103 constraints, ReadFeed: 102/102 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/303 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/303 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 86/389 variables, 44/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/389 variables, 102/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/389 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/389 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/391 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/391 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 391/391 variables, and 210 constraints, problems are : Problem set: 0 solved, 1 unsolved in 482 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 103/103 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 768ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 232 ms.
Support contains 3 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2220/2220 transitions.
Applied a total of 0 rules in 294 ms. Remains 103 /103 variables (removed 0) and now considering 2220/2220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 294 ms. Remains : 103/103 places, 2220/2220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2220/2220 transitions.
Applied a total of 0 rules in 362 ms. Remains 103 /103 variables (removed 0) and now considering 2220/2220 (removed 0) transitions.
[2024-05-21 07:24:25] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:24:25] [INFO ] Invariant cache hit.
[2024-05-21 07:24:26] [INFO ] Implicit Places using invariants in 389 ms returned []
[2024-05-21 07:24:26] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:24:26] [INFO ] Invariant cache hit.
[2024-05-21 07:24:26] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:24:27] [INFO ] Implicit Places using invariants and state equation in 1106 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1504 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 101/103 places, 2220/2220 transitions.
Applied a total of 0 rules in 183 ms. Remains 101 /101 variables (removed 0) and now considering 2220/2220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2050 ms. Remains : 101/103 places, 2220/2220 transitions.
RANDOM walk for 40000 steps (316 resets) in 686 ms. (58 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (164 resets) in 305 ms. (130 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 309677 steps, run timeout after 3001 ms. (steps per millisecond=103 ) properties seen :0 out of 1
Probabilistic random walk after 309677 steps, saw 87845 distinct states, run finished after 3002 ms. (steps per millisecond=103 ) properties seen :0
[2024-05-21 07:24:30] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
// Phase 1: matrix 288 rows 101 cols
[2024-05-21 07:24:30] [INFO ] Computed 4 invariants in 4 ms
[2024-05-21 07:24:30] [INFO ] State equation strengthened by 102 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/303 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/303 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/387 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/387 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/387 variables, 102/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/387 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/389 variables, 2/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/389 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/389 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 389/389 variables, and 207 constraints, problems are : Problem set: 0 solved, 1 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 102/102 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/303 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/303 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/387 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/387 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/387 variables, 102/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/387 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/387 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/389 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/389 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/389 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 389/389 variables, and 208 constraints, problems are : Problem set: 0 solved, 1 unsolved in 443 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 703ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 336 ms.
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2220/2220 transitions.
Applied a total of 0 rules in 207 ms. Remains 101 /101 variables (removed 0) and now considering 2220/2220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 209 ms. Remains : 101/101 places, 2220/2220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2220/2220 transitions.
Applied a total of 0 rules in 187 ms. Remains 101 /101 variables (removed 0) and now considering 2220/2220 (removed 0) transitions.
[2024-05-21 07:24:32] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:24:32] [INFO ] Invariant cache hit.
[2024-05-21 07:24:32] [INFO ] Implicit Places using invariants in 349 ms returned []
[2024-05-21 07:24:32] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:24:32] [INFO ] Invariant cache hit.
[2024-05-21 07:24:32] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:24:33] [INFO ] Implicit Places using invariants and state equation in 808 ms returned []
Implicit Place search using SMT with State Equation took 1159 ms to find 0 implicit places.
[2024-05-21 07:24:33] [INFO ] Redundant transitions in 148 ms returned []
Running 2217 sub problems to find dead transitions.
[2024-05-21 07:24:33] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:24:33] [INFO ] Invariant cache hit.
[2024-05-21 07:24:33] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2217 unsolved
[2024-05-21 07:24:55] [INFO ] Deduced a trap composed of 5 places in 257 ms of which 2 ms to minimize.
[2024-05-21 07:24:57] [INFO ] Deduced a trap composed of 54 places in 196 ms of which 1 ms to minimize.
Problem TDEAD146 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD248 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD350 is UNSAT
Problem TDEAD401 is UNSAT
Problem TDEAD452 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD605 is UNSAT
Problem TDEAD656 is UNSAT
Problem TDEAD707 is UNSAT
Problem TDEAD758 is UNSAT
Problem TDEAD809 is UNSAT
Problem TDEAD860 is UNSAT
Problem TDEAD911 is UNSAT
Problem TDEAD962 is UNSAT
Problem TDEAD1013 is UNSAT
Problem TDEAD1064 is UNSAT
Problem TDEAD1115 is UNSAT
Problem TDEAD1466 is UNSAT
Problem TDEAD1517 is UNSAT
Problem TDEAD1568 is UNSAT
Problem TDEAD1619 is UNSAT
Problem TDEAD1670 is UNSAT
Problem TDEAD1721 is UNSAT
Problem TDEAD1772 is UNSAT
Problem TDEAD1823 is UNSAT
Problem TDEAD1874 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 101/389 variables, and 6 constraints, problems are : Problem set: 29 solved, 2188 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/101 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2217/2217 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 29 solved, 2188 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 29 solved, 2188 unsolved
Problem TDEAD1925 is UNSAT
Problem TDEAD1976 is UNSAT
Problem TDEAD2027 is UNSAT
Problem TDEAD2078 is UNSAT
Problem TDEAD2129 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 2/6 constraints. Problems are: Problem set: 34 solved, 2183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 34 solved, 2183 unsolved
SMT process timed out in 76548ms, After SMT, problems are : Problem set: 34 solved, 2183 unsolved
Search for dead transitions found 34 dead transitions in 76576ms
Found 34 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 34 transitions
Dead transitions reduction (with SMT) removed 34 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 101/101 places, 2186/2220 transitions.
Applied a total of 0 rules in 260 ms. Remains 101 /101 variables (removed 0) and now considering 2186/2186 (removed 0) transitions.
[2024-05-21 07:25:50] [INFO ] Redundant transitions in 111 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 78467 ms. Remains : 101/101 places, 2186/2220 transitions.
RANDOM walk for 40000 steps (316 resets) in 504 ms. (79 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (164 resets) in 275 ms. (144 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 363771 steps, run timeout after 3001 ms. (steps per millisecond=121 ) properties seen :0 out of 1
Probabilistic random walk after 363771 steps, saw 102730 distinct states, run finished after 3001 ms. (steps per millisecond=121 ) properties seen :0
[2024-05-21 07:25:53] [INFO ] Flow matrix only has 286 transitions (discarded 1900 similar events)
// Phase 1: matrix 286 rows 101 cols
[2024-05-21 07:25:53] [INFO ] Computed 4 invariants in 3 ms
[2024-05-21 07:25:53] [INFO ] State equation strengthened by 100 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 244/301 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/301 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/385 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/385 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/385 variables, 100/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/385 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp4 is UNSAT
After SMT solving in domain Real declared 387/387 variables, and 205 constraints, problems are : Problem set: 1 solved, 0 unsolved in 209 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 267ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 49 stabilizing places and 84 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((!p0 U (p1||G(!p0)))))'
Support contains 75 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2220
Applied a total of 5 rules in 510 ms. Remains 103 /106 variables (removed 3) and now considering 2220/2222 (removed 2) transitions.
[2024-05-21 07:25:55] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
// Phase 1: matrix 288 rows 103 cols
[2024-05-21 07:25:55] [INFO ] Computed 4 invariants in 3 ms
[2024-05-21 07:25:55] [INFO ] Implicit Places using invariants in 178 ms returned []
[2024-05-21 07:25:55] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:25:55] [INFO ] Invariant cache hit.
[2024-05-21 07:25:55] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:25:55] [INFO ] Implicit Places using invariants and state equation in 619 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 803 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 101/106 places, 2220/2222 transitions.
Applied a total of 0 rules in 253 ms. Remains 101 /101 variables (removed 0) and now considering 2220/2220 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1569 ms. Remains : 101/106 places, 2220/2222 transitions.
Stuttering acceptance computed with spot in 174 ms :[(AND (NOT p1) p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-00
Product exploration explored 100000 steps with 25014 reset in 7212 ms.
Product exploration explored 100000 steps with 24913 reset in 7215 ms.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 3 factoid took 325 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 33 ms :[(AND p0 (NOT p1))]
RANDOM walk for 1104 steps (6 resets) in 47 ms. (23 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F p1), (F (NOT (OR p0 p1))), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 405 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 p0 (NOT p1))]
Stuttering acceptance computed with spot in 31 ms :[(AND p0 (NOT p1))]
[2024-05-21 07:26:11] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
// Phase 1: matrix 288 rows 101 cols
[2024-05-21 07:26:12] [INFO ] Computed 4 invariants in 5 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:828)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:584)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:619)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:252)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:958)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2024-05-21 07:26:32] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression EG (AND p0 (NOT p1))
Could not prove EG (AND p0 (NOT p1))
Support contains 75 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 2220/2220 transitions.
Applied a total of 0 rules in 258 ms. Remains 101 /101 variables (removed 0) and now considering 2220/2220 (removed 0) transitions.
[2024-05-21 07:26:33] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:26:33] [INFO ] Invariant cache hit.
[2024-05-21 07:26:33] [INFO ] Implicit Places using invariants in 201 ms returned []
[2024-05-21 07:26:33] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:26:33] [INFO ] Invariant cache hit.
[2024-05-21 07:26:33] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:26:33] [INFO ] Implicit Places using invariants and state equation in 498 ms returned []
Implicit Place search using SMT with State Equation took 703 ms to find 0 implicit places.
[2024-05-21 07:26:33] [INFO ] Redundant transitions in 88 ms returned []
Running 2217 sub problems to find dead transitions.
[2024-05-21 07:26:33] [INFO ] Flow matrix only has 288 transitions (discarded 1932 similar events)
[2024-05-21 07:26:33] [INFO ] Invariant cache hit.
[2024-05-21 07:26:33] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2217 unsolved
[2024-05-21 07:26:57] [INFO ] Deduced a trap composed of 5 places in 285 ms of which 1 ms to minimize.
[2024-05-21 07:26:58] [INFO ] Deduced a trap composed of 54 places in 229 ms of which 0 ms to minimize.
Problem TDEAD146 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD248 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD350 is UNSAT
Problem TDEAD401 is UNSAT
Problem TDEAD452 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD605 is UNSAT
Problem TDEAD656 is UNSAT
Problem TDEAD707 is UNSAT
Problem TDEAD758 is UNSAT
Problem TDEAD809 is UNSAT
Problem TDEAD860 is UNSAT
Problem TDEAD911 is UNSAT
Problem TDEAD962 is UNSAT
Problem TDEAD1013 is UNSAT
Problem TDEAD1064 is UNSAT
Problem TDEAD1115 is UNSAT
Problem TDEAD1466 is UNSAT
Problem TDEAD1517 is UNSAT
Problem TDEAD1568 is UNSAT
Problem TDEAD1619 is UNSAT
Problem TDEAD1670 is UNSAT
Problem TDEAD1721 is UNSAT
Problem TDEAD1772 is UNSAT
Problem TDEAD1823 is UNSAT
Problem TDEAD1874 is UNSAT
Problem TDEAD1925 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 101/389 variables, and 6 constraints, problems are : Problem set: 30 solved, 2187 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/101 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2217/2217 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 30 solved, 2187 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 30 solved, 2187 unsolved
Problem TDEAD1976 is UNSAT
Problem TDEAD2027 is UNSAT
Problem TDEAD2078 is UNSAT
Problem TDEAD2129 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 2/6 constraints. Problems are: Problem set: 34 solved, 2183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 34 solved, 2183 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD43 is UNSAT
At refinement iteration 3 (OVERLAPS) 288/389 variables, 101/107 constraints. Problems are: Problem set: 36 solved, 2181 unsolved
SMT process timed out in 77147ms, After SMT, problems are : Problem set: 36 solved, 2181 unsolved
Search for dead transitions found 36 dead transitions in 77179ms
Found 36 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 36 transitions
Dead transitions reduction (with SMT) removed 36 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 101/101 places, 2184/2220 transitions.
Applied a total of 0 rules in 227 ms. Remains 101 /101 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-05-21 07:27:51] [INFO ] Redundant transitions in 39 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 78523 ms. Remains : 101/101 places, 2184/2220 transitions.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (NOT p1)), (X (X p0)), (X (X (NOT p0))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 3 factoid took 354 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 p0 (NOT p1))]
RANDOM walk for 1608 steps (10 resets) in 110 ms. (14 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (NOT p1)), (X (X p0)), (X (X (NOT p0))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT p1))), (F p1), (F (NOT (OR p0 p1))), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 419 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 31 ms :[(AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 50 ms :[(AND p0 (NOT p1))]
[2024-05-21 07:27:52] [INFO ] Flow matrix only has 284 transitions (discarded 1900 similar events)
// Phase 1: matrix 284 rows 101 cols
[2024-05-21 07:27:53] [INFO ] Computed 4 invariants in 2 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:828)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:584)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:619)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:262)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:958)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2024-05-21 07:28:13] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression EG (AND p0 (NOT p1))
Could not prove EG (AND p0 (NOT p1))
Stuttering acceptance computed with spot in 45 ms :[(AND p0 (NOT p1))]
Product exploration explored 100000 steps with 24952 reset in 4238 ms.
Product exploration explored 100000 steps with 25069 reset in 4333 ms.
Support contains 75 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 2184/2184 transitions.
Applied a total of 0 rules in 307 ms. Remains 101 /101 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-05-21 07:28:22] [INFO ] Flow matrix only has 284 transitions (discarded 1900 similar events)
[2024-05-21 07:28:22] [INFO ] Invariant cache hit.
[2024-05-21 07:28:22] [INFO ] Implicit Places using invariants in 164 ms returned []
[2024-05-21 07:28:22] [INFO ] Flow matrix only has 284 transitions (discarded 1900 similar events)
[2024-05-21 07:28:22] [INFO ] Invariant cache hit.
[2024-05-21 07:28:22] [INFO ] State equation strengthened by 100 read => feed constraints.
[2024-05-21 07:28:23] [INFO ] Implicit Places using invariants and state equation in 1427 ms returned []
Implicit Place search using SMT with State Equation took 1593 ms to find 0 implicit places.
[2024-05-21 07:28:23] [INFO ] Redundant transitions in 52 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-05-21 07:28:23] [INFO ] Flow matrix only has 284 transitions (discarded 1900 similar events)
[2024-05-21 07:28:23] [INFO ] Invariant cache hit.
[2024-05-21 07:28:23] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-05-21 07:28:46] [INFO ] Deduced a trap composed of 5 places in 273 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 101/385 variables, and 5 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/101 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 2181/2181 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 101/385 variables, and 5 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/101 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 0/2181 constraints, Known Traps: 1/1 constraints]
After SMT, in 77386ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77409ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 79376 ms. Remains : 101/101 places, 2184/2184 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-00 finished in 227094 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(F(p0)))'
Support contains 1 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Applied a total of 0 rules in 8 ms. Remains 106 /106 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Running 2219 sub problems to find dead transitions.
[2024-05-21 07:29:41] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
// Phase 1: matrix 290 rows 106 cols
[2024-05-21 07:29:41] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:29:41] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:30:05] [INFO ] Deduced a trap composed of 5 places in 211 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/396 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2219/2219 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2219 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:30:39] [INFO ] Deduced a trap composed of 55 places in 217 ms of which 1 ms to minimize.
SMT process timed out in 58059ms, After SMT, problems are : Problem set: 0 solved, 2219 unsolved
Search for dead transitions found 0 dead transitions in 58085ms
[2024-05-21 07:30:39] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:30:39] [INFO ] Invariant cache hit.
[2024-05-21 07:30:40] [INFO ] Implicit Places using invariants in 319 ms returned []
[2024-05-21 07:30:40] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:30:40] [INFO ] Invariant cache hit.
[2024-05-21 07:30:40] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:30:41] [INFO ] Implicit Places using invariants and state equation in 1079 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1405 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2222/2222 transitions.
Applied a total of 0 rules in 13 ms. Remains 104 /104 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 59520 ms. Remains : 104/106 places, 2222/2222 transitions.
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-01
Product exploration explored 100000 steps with 1230 reset in 683 ms.
Product exploration explored 100000 steps with 1274 reset in 622 ms.
Computed a total of 47 stabilizing places and 84 stable transitions
Computed a total of 47 stabilizing places and 84 stable transitions
Detected a total of 47/104 stabilizing places and 84/2222 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 102 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 56 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 431 steps (0 resets) in 8 ms. (47 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 95 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
[2024-05-21 07:30:43] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
// Phase 1: matrix 290 rows 104 cols
[2024-05-21 07:30:43] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 07:30:43] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:30:43] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2024-05-21 07:30:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:30:44] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:30:44] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2024-05-21 07:30:44] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:30:44] [INFO ] [Nat]Added 102 Read/Feed constraints in 87 ms returned sat
[2024-05-21 07:30:44] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 197 transitions) in 178 ms.
[2024-05-21 07:30:45] [INFO ] Added : 26 causal constraints over 6 iterations in 640 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 2222/2222 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 103 transition count 2221
Applied a total of 2 rules in 267 ms. Remains 103 /104 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:30:45] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
// Phase 1: matrix 289 rows 103 cols
[2024-05-21 07:30:45] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:30:45] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:31:09] [INFO ] Deduced a trap composed of 5 places in 269 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20055 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 57546ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 57571ms
[2024-05-21 07:31:43] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:31:43] [INFO ] Invariant cache hit.
[2024-05-21 07:31:43] [INFO ] Implicit Places using invariants in 399 ms returned []
[2024-05-21 07:31:43] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:31:43] [INFO ] Invariant cache hit.
[2024-05-21 07:31:43] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:31:44] [INFO ] Implicit Places using invariants and state equation in 1054 ms returned []
Implicit Place search using SMT with State Equation took 1456 ms to find 0 implicit places.
[2024-05-21 07:31:44] [INFO ] Redundant transitions in 77 ms returned []
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:31:44] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:31:44] [INFO ] Invariant cache hit.
[2024-05-21 07:31:44] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:32:08] [INFO ] Deduced a trap composed of 5 places in 312 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 30109 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:32:58] [INFO ] Deduced a trap composed of 55 places in 232 ms of which 1 ms to minimize.
Problem TDEAD1487 is UNSAT
Problem TDEAD1538 is UNSAT
Problem TDEAD1589 is UNSAT
Problem TDEAD1640 is UNSAT
Problem TDEAD1691 is UNSAT
Problem TDEAD1742 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/392 variables, and 7 constraints, problems are : Problem set: 6 solved, 2212 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 2/2 constraints]
After SMT, in 77469ms problems are : Problem set: 6 solved, 2212 unsolved
Search for dead transitions found 6 dead transitions in 77496ms
Found 6 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 6 transitions
Dead transitions reduction (with SMT) removed 6 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 103/104 places, 2215/2222 transitions.
Applied a total of 0 rules in 232 ms. Remains 103 /103 variables (removed 0) and now considering 2215/2215 (removed 0) transitions.
[2024-05-21 07:33:02] [INFO ] Redundant transitions in 54 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 137181 ms. Remains : 103/104 places, 2215/2222 transitions.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Detected a total of 46/103 stabilizing places and 83/2215 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 125 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 278 steps (0 resets) in 8 ms. (30 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 138 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
[2024-05-21 07:33:02] [INFO ] Flow matrix only has 289 transitions (discarded 1926 similar events)
[2024-05-21 07:33:02] [INFO ] Invariant cache hit.
[2024-05-21 07:33:03] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:33:03] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-05-21 07:33:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:33:04] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:33:04] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2024-05-21 07:33:04] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:33:04] [INFO ] [Nat]Added 102 Read/Feed constraints in 349 ms returned sat
[2024-05-21 07:33:04] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 196 transitions) in 271 ms.
[2024-05-21 07:33:05] [INFO ] Added : 22 causal constraints over 6 iterations in 495 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1521 reset in 815 ms.
Product exploration explored 100000 steps with 1582 reset in 681 ms.
Support contains 1 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 2215/2215 transitions.
Applied a total of 0 rules in 247 ms. Remains 103 /103 variables (removed 0) and now considering 2215/2215 (removed 0) transitions.
Running 2212 sub problems to find dead transitions.
[2024-05-21 07:33:07] [INFO ] Flow matrix only has 289 transitions (discarded 1926 similar events)
[2024-05-21 07:33:07] [INFO ] Invariant cache hit.
[2024-05-21 07:33:07] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2212 unsolved
[2024-05-21 07:33:31] [INFO ] Deduced a trap composed of 5 places in 263 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2212 unsolved in 20038 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2212/2212 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2212 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2212 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2212 unsolved in 20058 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2212 constraints, Known Traps: 1/1 constraints]
After SMT, in 57557ms problems are : Problem set: 0 solved, 2212 unsolved
Search for dead transitions found 0 dead transitions in 57584ms
[2024-05-21 07:34:04] [INFO ] Flow matrix only has 289 transitions (discarded 1926 similar events)
[2024-05-21 07:34:04] [INFO ] Invariant cache hit.
[2024-05-21 07:34:04] [INFO ] Implicit Places using invariants in 376 ms returned []
[2024-05-21 07:34:04] [INFO ] Flow matrix only has 289 transitions (discarded 1926 similar events)
[2024-05-21 07:34:04] [INFO ] Invariant cache hit.
[2024-05-21 07:34:05] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:34:06] [INFO ] Implicit Places using invariants and state equation in 1107 ms returned []
Implicit Place search using SMT with State Equation took 1485 ms to find 0 implicit places.
[2024-05-21 07:34:06] [INFO ] Redundant transitions in 39 ms returned []
Running 2212 sub problems to find dead transitions.
[2024-05-21 07:34:06] [INFO ] Flow matrix only has 289 transitions (discarded 1926 similar events)
[2024-05-21 07:34:06] [INFO ] Invariant cache hit.
[2024-05-21 07:34:06] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2212 unsolved
[2024-05-21 07:34:30] [INFO ] Deduced a trap composed of 5 places in 291 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 19.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 1.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 1.0)
(s23 1.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 1.0)
(s45 1.0)
(s46 0.0)
(s47 1.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 1.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2212 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2212/2212 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2212 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2212 unsolved
[2024-05-21 07:35:23] [INFO ] Deduced a trap composed of 55 places in 236 ms of which 1 ms to minimize.
Problem TDEAD1787 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/392 variables, and 7 constraints, problems are : Problem set: 1 solved, 2211 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2212 constraints, Known Traps: 2/2 constraints]
After SMT, in 78363ms problems are : Problem set: 1 solved, 2211 unsolved
Search for dead transitions found 1 dead transitions in 78383ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 103/103 places, 2214/2215 transitions.
Applied a total of 0 rules in 209 ms. Remains 103 /103 variables (removed 0) and now considering 2214/2214 (removed 0) transitions.
[2024-05-21 07:35:24] [INFO ] Redundant transitions in 40 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 138018 ms. Remains : 103/103 places, 2214/2215 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-01 finished in 343575 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((G(p1)||p0)) U X(X(G(!p2)))))'
Support contains 97 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Applied a total of 2 rules in 11 ms. Remains 105 /106 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:35:25] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
// Phase 1: matrix 289 rows 105 cols
[2024-05-21 07:35:25] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:35:25] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:35:50] [INFO ] Deduced a trap composed of 5 places in 310 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20081 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 20)
(s1 0)
(s2 0)
(s3 1)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 1)
(s23 1)
(s24 0)
(s25 1)
(s26 0)
(s27 0)
(s28 0)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 0)
(s37 0)
(s38 0)
(s39 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 57725ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 57751ms
[2024-05-21 07:36:23] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:36:23] [INFO ] Invariant cache hit.
[2024-05-21 07:36:23] [INFO ] Implicit Places using invariants in 109 ms returned []
[2024-05-21 07:36:23] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:36:23] [INFO ] Invariant cache hit.
[2024-05-21 07:36:23] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:36:23] [INFO ] Implicit Places using invariants and state equation in 438 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 565 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2221/2222 transitions.
Applied a total of 0 rules in 8 ms. Remains 103 /103 variables (removed 0) and now considering 2221/2221 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 58345 ms. Remains : 103/106 places, 2221/2222 transitions.
Stuttering acceptance computed with spot in 383 ms :[p2, (AND (NOT p1) p2), (AND (NOT p1) (NOT p0) p2), p2, true, (AND p2 (NOT p1)), (AND (NOT p1) (NOT p0) p2), p2, (NOT p1), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-04
Entered a terminal (fully accepting) state of product in 100 steps with 0 reset in 10 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-04 finished in 58778 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(F(p0)))'
Support contains 73 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Applied a total of 2 rules in 13 ms. Remains 105 /106 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:36:24] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:36:24] [INFO ] Invariant cache hit.
[2024-05-21 07:36:24] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:36:49] [INFO ] Deduced a trap composed of 5 places in 206 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20078 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 59068ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 59099ms
[2024-05-21 07:37:23] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:37:23] [INFO ] Invariant cache hit.
[2024-05-21 07:37:23] [INFO ] Implicit Places using invariants in 157 ms returned []
[2024-05-21 07:37:23] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:37:23] [INFO ] Invariant cache hit.
[2024-05-21 07:37:23] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:37:24] [INFO ] Implicit Places using invariants and state equation in 772 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 934 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2221/2222 transitions.
Applied a total of 0 rules in 10 ms. Remains 103 /103 variables (removed 0) and now considering 2221/2221 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 60062 ms. Remains : 103/106 places, 2221/2222 transitions.
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-06
Stuttering criterion allowed to conclude after 164 steps with 0 reset in 12 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-06 finished in 60196 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 X(p0))||X((F(p1)&&G(p2)))))'
Support contains 47 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Applied a total of 2 rules in 14 ms. Remains 105 /106 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:37:24] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:37:24] [INFO ] Invariant cache hit.
[2024-05-21 07:37:24] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:37:47] [INFO ] Deduced a trap composed of 5 places in 310 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 57388ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 57414ms
[2024-05-21 07:38:21] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:38:21] [INFO ] Invariant cache hit.
[2024-05-21 07:38:21] [INFO ] Implicit Places using invariants in 128 ms returned []
[2024-05-21 07:38:21] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:38:21] [INFO ] Invariant cache hit.
[2024-05-21 07:38:21] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:38:22] [INFO ] Implicit Places using invariants and state equation in 414 ms returned []
Implicit Place search using SMT with State Equation took 545 ms to find 0 implicit places.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:38:22] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:38:22] [INFO ] Invariant cache hit.
[2024-05-21 07:38:22] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:38:47] [INFO ] Deduced a trap composed of 5 places in 209 ms of which 1 ms to minimize.
[2024-05-21 07:39:04] [INFO ] Deduced a trap composed of 55 places in 206 ms of which 1 ms to minimize.
Problem TDEAD1487 is UNSAT
Problem TDEAD1538 is UNSAT
Problem TDEAD1589 is UNSAT
Problem TDEAD1640 is UNSAT
Problem TDEAD1691 is UNSAT
Problem TDEAD1742 is UNSAT
Problem TDEAD1793 is UNSAT
Problem TDEAD1844 is UNSAT
Problem TDEAD1895 is UNSAT
Problem TDEAD1946 is UNSAT
Problem TDEAD1997 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 7 constraints, problems are : Problem set: 11 solved, 2207 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 11 solved, 2207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 11 solved, 2207 unsolved
Problem TDEAD2048 is UNSAT
Problem TDEAD2099 is UNSAT
Problem TDEAD2150 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 2/7 constraints. Problems are: Problem set: 14 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 7 constraints, problems are : Problem set: 14 solved, 2204 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 2/2 constraints]
After SMT, in 78736ms problems are : Problem set: 14 solved, 2204 unsolved
Search for dead transitions found 14 dead transitions in 78767ms
Found 14 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 14 transitions
Dead transitions reduction (with SMT) removed 14 transitions
Starting structural reductions in LTL mode, iteration 1 : 105/106 places, 2207/2222 transitions.
Applied a total of 0 rules in 5 ms. Remains 105 /105 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 136760 ms. Remains : 105/106 places, 2207/2222 transitions.
Stuttering acceptance computed with spot in 318 ms :[(NOT p0), (OR (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), true, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-07
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-07 finished in 137104 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 75 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2220
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 101 transition count 2218
Applied a total of 9 rules in 276 ms. Remains 101 /106 variables (removed 5) and now considering 2218/2222 (removed 4) transitions.
[2024-05-21 07:39:41] [INFO ] Flow matrix only has 286 transitions (discarded 1932 similar events)
// Phase 1: matrix 286 rows 101 cols
[2024-05-21 07:39:41] [INFO ] Computed 4 invariants in 3 ms
[2024-05-21 07:39:41] [INFO ] Implicit Places using invariants in 137 ms returned []
[2024-05-21 07:39:41] [INFO ] Flow matrix only has 286 transitions (discarded 1932 similar events)
[2024-05-21 07:39:41] [INFO ] Invariant cache hit.
[2024-05-21 07:39:41] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:39:42] [INFO ] Implicit Places using invariants and state equation in 493 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 633 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 99/106 places, 2218/2222 transitions.
Applied a total of 0 rules in 219 ms. Remains 99 /99 variables (removed 0) and now considering 2218/2218 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1132 ms. Remains : 99/106 places, 2218/2222 transitions.
Stuttering acceptance computed with spot in 56 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-08
Product exploration explored 100000 steps with 801 reset in 3522 ms.
Product exploration explored 100000 steps with 801 reset in 3457 ms.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 2 factoid took 128 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
RANDOM walk for 637 steps (5 resets) in 26 ms. (23 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 2 factoid took 124 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Support contains 75 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 2218/2218 transitions.
Applied a total of 0 rules in 227 ms. Remains 99 /99 variables (removed 0) and now considering 2218/2218 (removed 0) transitions.
[2024-05-21 07:39:50] [INFO ] Flow matrix only has 286 transitions (discarded 1932 similar events)
// Phase 1: matrix 286 rows 99 cols
[2024-05-21 07:39:50] [INFO ] Computed 4 invariants in 2 ms
[2024-05-21 07:39:50] [INFO ] Implicit Places using invariants in 151 ms returned []
[2024-05-21 07:39:50] [INFO ] Flow matrix only has 286 transitions (discarded 1932 similar events)
[2024-05-21 07:39:50] [INFO ] Invariant cache hit.
[2024-05-21 07:39:50] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:39:50] [INFO ] Implicit Places using invariants and state equation in 250 ms returned []
Implicit Place search using SMT with State Equation took 405 ms to find 0 implicit places.
[2024-05-21 07:39:50] [INFO ] Redundant transitions in 39 ms returned []
Running 2215 sub problems to find dead transitions.
[2024-05-21 07:39:50] [INFO ] Flow matrix only has 286 transitions (discarded 1932 similar events)
[2024-05-21 07:39:50] [INFO ] Invariant cache hit.
[2024-05-21 07:39:50] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2215 unsolved
[2024-05-21 07:40:18] [INFO ] Deduced a trap composed of 53 places in 200 ms of which 1 ms to minimize.
Problem TDEAD483 is UNSAT
Problem TDEAD534 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD636 is UNSAT
Problem TDEAD687 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD789 is UNSAT
Problem TDEAD840 is UNSAT
Problem TDEAD891 is UNSAT
Problem TDEAD942 is UNSAT
Problem TDEAD993 is UNSAT
Problem TDEAD1044 is UNSAT
Problem TDEAD1095 is UNSAT
Problem TDEAD1146 is UNSAT
[2024-05-21 07:40:31] [INFO ] Deduced a trap composed of 52 places in 224 ms of which 1 ms to minimize.
Problem TDEAD1198 is UNSAT
Problem TDEAD1249 is UNSAT
Problem TDEAD1300 is UNSAT
Problem TDEAD1351 is UNSAT
Problem TDEAD1402 is UNSAT
Problem TDEAD1453 is UNSAT
Problem TDEAD1504 is UNSAT
Problem TDEAD1555 is UNSAT
Problem TDEAD1606 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 99/385 variables, and 6 constraints, problems are : Problem set: 23 solved, 2192 unsolved in 30067 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2215/2215 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 23 solved, 2192 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 4/4 constraints. Problems are: Problem set: 23 solved, 2192 unsolved
Problem TDEAD1657 is UNSAT
Problem TDEAD1708 is UNSAT
Problem TDEAD1759 is UNSAT
Problem TDEAD1810 is UNSAT
Problem TDEAD1861 is UNSAT
Problem TDEAD1912 is UNSAT
Problem TDEAD1963 is UNSAT
Problem TDEAD2014 is UNSAT
Problem TDEAD2065 is UNSAT
Problem TDEAD2116 is UNSAT
Problem TDEAD2167 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 2/6 constraints. Problems are: Problem set: 34 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 99/385 variables, and 6 constraints, problems are : Problem set: 34 solved, 2181 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2215 constraints, Known Traps: 2/2 constraints]
After SMT, in 77418ms problems are : Problem set: 34 solved, 2181 unsolved
Search for dead transitions found 34 dead transitions in 77440ms
Found 34 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 34 transitions
Dead transitions reduction (with SMT) removed 34 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 99/99 places, 2184/2218 transitions.
Applied a total of 0 rules in 211 ms. Remains 99 /99 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-05-21 07:41:08] [INFO ] Redundant transitions in 89 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 78441 ms. Remains : 99/99 places, 2184/2218 transitions.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 2 factoid took 148 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
RANDOM walk for 1005 steps (8 resets) in 45 ms. (21 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 2 factoid took 134 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Product exploration explored 100000 steps with 801 reset in 3892 ms.
Product exploration explored 100000 steps with 801 reset in 3760 ms.
Support contains 75 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 2184/2184 transitions.
Applied a total of 0 rules in 213 ms. Remains 99 /99 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-05-21 07:41:16] [INFO ] Flow matrix only has 284 transitions (discarded 1900 similar events)
// Phase 1: matrix 284 rows 99 cols
[2024-05-21 07:41:16] [INFO ] Computed 4 invariants in 4 ms
[2024-05-21 07:41:17] [INFO ] Implicit Places using invariants in 140 ms returned []
[2024-05-21 07:41:17] [INFO ] Flow matrix only has 284 transitions (discarded 1900 similar events)
[2024-05-21 07:41:17] [INFO ] Invariant cache hit.
[2024-05-21 07:41:17] [INFO ] State equation strengthened by 100 read => feed constraints.
[2024-05-21 07:41:17] [INFO ] Implicit Places using invariants and state equation in 708 ms returned []
Implicit Place search using SMT with State Equation took 851 ms to find 0 implicit places.
[2024-05-21 07:41:17] [INFO ] Redundant transitions in 88 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-05-21 07:41:17] [INFO ] Flow matrix only has 284 transitions (discarded 1900 similar events)
[2024-05-21 07:41:17] [INFO ] Invariant cache hit.
[2024-05-21 07:41:17] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 99/383 variables, and 4 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 2181/2181 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 99/383 variables, and 4 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30067 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 0/2181 constraints, Known Traps: 0/0 constraints]
After SMT, in 78603ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 78632ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 79803 ms. Remains : 99/99 places, 2184/2184 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-08 finished in 175444 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(!p0)||X((G(!p0)&&X(p1))))))'
Support contains 25 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Applied a total of 2 rules in 15 ms. Remains 105 /106 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:42:36] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
// Phase 1: matrix 289 rows 105 cols
[2024-05-21 07:42:36] [INFO ] Computed 5 invariants in 4 ms
[2024-05-21 07:42:36] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:43:00] [INFO ] Deduced a trap composed of 5 places in 263 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20072 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 57583ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 57618ms
[2024-05-21 07:43:34] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:43:34] [INFO ] Invariant cache hit.
[2024-05-21 07:43:34] [INFO ] Implicit Places using invariants in 309 ms returned []
[2024-05-21 07:43:34] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:43:34] [INFO ] Invariant cache hit.
[2024-05-21 07:43:34] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:43:35] [INFO ] Implicit Places using invariants and state equation in 1007 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1320 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2221/2222 transitions.
Applied a total of 0 rules in 9 ms. Remains 103 /103 variables (removed 0) and now considering 2221/2221 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 58971 ms. Remains : 103/106 places, 2221/2222 transitions.
Stuttering acceptance computed with spot in 207 ms :[true, (OR (NOT p1) p0), p0, p0, (OR (NOT p1) p0), p0]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-09 finished in 59218 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p1)||p0))))'
Support contains 76 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Applied a total of 2 rules in 11 ms. Remains 105 /106 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:43:36] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:43:36] [INFO ] Invariant cache hit.
[2024-05-21 07:43:36] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:43:59] [INFO ] Deduced a trap composed of 5 places in 277 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20067 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 57628ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 57654ms
[2024-05-21 07:44:33] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:44:33] [INFO ] Invariant cache hit.
[2024-05-21 07:44:33] [INFO ] Implicit Places using invariants in 142 ms returned []
[2024-05-21 07:44:33] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:44:33] [INFO ] Invariant cache hit.
[2024-05-21 07:44:33] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:44:35] [INFO ] Implicit Places using invariants and state equation in 1559 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1705 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2221/2222 transitions.
Applied a total of 0 rules in 11 ms. Remains 103 /103 variables (removed 0) and now considering 2221/2221 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 59391 ms. Remains : 103/106 places, 2221/2222 transitions.
Stuttering acceptance computed with spot in 157 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-10
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-10 finished in 59582 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)))'
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Applied a total of 2 rules in 310 ms. Remains 105 /106 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:44:35] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:44:35] [INFO ] Invariant cache hit.
[2024-05-21 07:44:35] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:44:58] [INFO ] Deduced a trap composed of 5 places in 227 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 57095ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 57121ms
[2024-05-21 07:45:32] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:45:32] [INFO ] Invariant cache hit.
[2024-05-21 07:45:33] [INFO ] Implicit Places using invariants in 333 ms returned []
[2024-05-21 07:45:33] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:45:33] [INFO ] Invariant cache hit.
[2024-05-21 07:45:33] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:45:34] [INFO ] Implicit Places using invariants and state equation in 884 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1222 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/106 places, 2221/2222 transitions.
Applied a total of 0 rules in 305 ms. Remains 103 /103 variables (removed 0) and now considering 2221/2221 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 58964 ms. Remains : 103/106 places, 2221/2222 transitions.
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-11
Product exploration explored 100000 steps with 944 reset in 852 ms.
Product exploration explored 100000 steps with 933 reset in 629 ms.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 328 steps (0 resets) in 7 ms. (41 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Support contains 3 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 2221/2221 transitions.
Applied a total of 0 rules in 293 ms. Remains 103 /103 variables (removed 0) and now considering 2221/2221 (removed 0) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:45:36] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
// Phase 1: matrix 289 rows 103 cols
[2024-05-21 07:45:36] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 07:45:36] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:45:59] [INFO ] Deduced a trap composed of 5 places in 282 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20049 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 56381ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 56407ms
[2024-05-21 07:46:33] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:46:33] [INFO ] Invariant cache hit.
[2024-05-21 07:46:33] [INFO ] Implicit Places using invariants in 340 ms returned []
[2024-05-21 07:46:33] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:46:33] [INFO ] Invariant cache hit.
[2024-05-21 07:46:33] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:46:34] [INFO ] Implicit Places using invariants and state equation in 1291 ms returned []
Implicit Place search using SMT with State Equation took 1633 ms to find 0 implicit places.
[2024-05-21 07:46:34] [INFO ] Redundant transitions in 54 ms returned []
Running 2218 sub problems to find dead transitions.
[2024-05-21 07:46:34] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 07:46:34] [INFO ] Invariant cache hit.
[2024-05-21 07:46:34] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 07:46:58] [INFO ] Deduced a trap composed of 5 places in 263 ms of which 1 ms to minimize.
[2024-05-21 07:47:18] [INFO ] Deduced a trap composed of 55 places in 189 ms of which 2 ms to minimize.
Problem TDEAD1487 is UNSAT
Problem TDEAD1538 is UNSAT
Problem TDEAD1589 is UNSAT
Problem TDEAD1640 is UNSAT
Problem TDEAD1691 is UNSAT
Problem TDEAD1742 is UNSAT
Problem TDEAD1793 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/392 variables, and 7 constraints, problems are : Problem set: 7 solved, 2211 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 7 solved, 2211 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 7 solved, 2211 unsolved
Problem TDEAD1844 is UNSAT
Problem TDEAD1895 is UNSAT
Problem TDEAD1946 is UNSAT
Problem TDEAD1997 is UNSAT
Problem TDEAD2048 is UNSAT
Problem TDEAD2099 is UNSAT
Problem TDEAD2150 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 2/7 constraints. Problems are: Problem set: 14 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/392 variables, and 7 constraints, problems are : Problem set: 14 solved, 2204 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 2/2 constraints]
After SMT, in 77630ms problems are : Problem set: 14 solved, 2204 unsolved
Search for dead transitions found 14 dead transitions in 77655ms
Found 14 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 14 transitions
Dead transitions reduction (with SMT) removed 14 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 103/103 places, 2207/2221 transitions.
Applied a total of 0 rules in 234 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
[2024-05-21 07:47:52] [INFO ] Redundant transitions in 40 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 136342 ms. Remains : 103/103 places, 2207/2221 transitions.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 93 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 57 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 217 steps (0 resets) in 7 ms. (27 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 48 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 923 reset in 761 ms.
Product exploration explored 100000 steps with 939 reset in 679 ms.
Support contains 3 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 2207/2207 transitions.
Applied a total of 0 rules in 233 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Running 2204 sub problems to find dead transitions.
[2024-05-21 07:47:54] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
// Phase 1: matrix 288 rows 103 cols
[2024-05-21 07:47:54] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:47:55] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
[2024-05-21 07:48:18] [INFO ] Deduced a trap composed of 5 places in 312 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/2204 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 0/2204 constraints, Known Traps: 1/1 constraints]
After SMT, in 57231ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 57251ms
[2024-05-21 07:48:52] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2024-05-21 07:48:52] [INFO ] Invariant cache hit.
[2024-05-21 07:48:52] [INFO ] Implicit Places using invariants in 263 ms returned []
[2024-05-21 07:48:52] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2024-05-21 07:48:52] [INFO ] Invariant cache hit.
[2024-05-21 07:48:52] [INFO ] State equation strengthened by 101 read => feed constraints.
[2024-05-21 07:48:53] [INFO ] Implicit Places using invariants and state equation in 1307 ms returned []
Implicit Place search using SMT with State Equation took 1576 ms to find 0 implicit places.
[2024-05-21 07:48:53] [INFO ] Redundant transitions in 83 ms returned []
Running 2204 sub problems to find dead transitions.
[2024-05-21 07:48:53] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2024-05-21 07:48:53] [INFO ] Invariant cache hit.
[2024-05-21 07:48:53] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
[2024-05-21 07:49:17] [INFO ] Deduced a trap composed of 5 places in 253 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/2204 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD64 is UNSAT
At refinement iteration 3 (OVERLAPS) 288/391 variables, 103/109 constraints. Problems are: Problem set: 2 solved, 2202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/391 variables, 101/210 constraints. Problems are: Problem set: 2 solved, 2202 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 391/391 variables, and 2412 constraints, problems are : Problem set: 2 solved, 2202 unsolved in 34706 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 103/103 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 2202/2204 constraints, Known Traps: 1/1 constraints]
After SMT, in 81675ms problems are : Problem set: 2 solved, 2202 unsolved
Search for dead transitions found 2 dead transitions in 81703ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 103/103 places, 2205/2207 transitions.
Applied a total of 0 rules in 232 ms. Remains 103 /103 variables (removed 0) and now considering 2205/2205 (removed 0) transitions.
[2024-05-21 07:50:15] [INFO ] Redundant transitions in 40 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 141144 ms. Remains : 103/103 places, 2205/2207 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-11 finished in 340524 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 U (G(p0)||(p0&&G(p1)))))))'
Support contains 24 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Applied a total of 0 rules in 235 ms. Remains 106 /106 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Running 2219 sub problems to find dead transitions.
[2024-05-21 07:50:16] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
// Phase 1: matrix 290 rows 106 cols
[2024-05-21 07:50:16] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:50:16] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:50:40] [INFO ] Deduced a trap composed of 5 places in 216 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/396 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 20047 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2219/2219 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2219 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/396 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2219 constraints, Known Traps: 1/1 constraints]
After SMT, in 57600ms problems are : Problem set: 0 solved, 2219 unsolved
Search for dead transitions found 0 dead transitions in 57626ms
[2024-05-21 07:51:13] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:51:13] [INFO ] Invariant cache hit.
[2024-05-21 07:51:14] [INFO ] Implicit Places using invariants in 281 ms returned []
[2024-05-21 07:51:14] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:51:14] [INFO ] Invariant cache hit.
[2024-05-21 07:51:14] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:51:15] [INFO ] Implicit Places using invariants and state equation in 888 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1174 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 105/106 places, 2222/2222 transitions.
Applied a total of 0 rules in 243 ms. Remains 105 /105 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 59284 ms. Remains : 105/106 places, 2222/2222 transitions.
Stuttering acceptance computed with spot in 171 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-12
Product exploration explored 100000 steps with 602 reset in 1336 ms.
Product exploration explored 100000 steps with 602 reset in 1094 ms.
Computed a total of 48 stabilizing places and 84 stable transitions
Computed a total of 48 stabilizing places and 84 stable transitions
Detected a total of 48/105 stabilizing places and 84/2222 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) p0))), (X (AND p1 p0)), (X p0), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 265 ms. Reduced automaton from 3 states, 9 edges and 2 AP (stutter insensitive) to 3 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 129 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 40000 steps (228 resets) in 690 ms. (57 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40003 steps (73 resets) in 1819 ms. (21 steps per ms) remains 1/1 properties
[2024-05-21 07:51:19] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
// Phase 1: matrix 290 rows 105 cols
[2024-05-21 07:51:19] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 07:51:19] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 269/300 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 51/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/394 variables, 73/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 51/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/395 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/395 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/395 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 395/395 variables, and 212 constraints, problems are : Problem set: 0 solved, 1 unsolved in 190 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 102/102 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 269/300 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 51/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/394 variables, 73/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 51/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/395 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/395 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/395 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 395/395 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 716 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 954ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 176 ms.
Support contains 24 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2222/2222 transitions.
Applied a total of 0 rules in 206 ms. Remains 105 /105 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Running 2219 sub problems to find dead transitions.
[2024-05-21 07:51:20] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:51:20] [INFO ] Invariant cache hit.
[2024-05-21 07:51:20] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:51:44] [INFO ] Deduced a trap composed of 5 places in 254 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2219/2219 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2219 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:52:18] [INFO ] Deduced a trap composed of 55 places in 228 ms of which 1 ms to minimize.
SMT process timed out in 57660ms, After SMT, problems are : Problem set: 0 solved, 2219 unsolved
Search for dead transitions found 0 dead transitions in 57687ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57899 ms. Remains : 105/105 places, 2222/2222 transitions.
RANDOM walk for 40002 steps (229 resets) in 596 ms. (67 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (73 resets) in 305 ms. (130 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 298036 steps, run timeout after 3001 ms. (steps per millisecond=99 ) properties seen :0 out of 1
Probabilistic random walk after 298036 steps, saw 77672 distinct states, run finished after 3001 ms. (steps per millisecond=99 ) properties seen :0
[2024-05-21 07:52:21] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:52:21] [INFO ] Invariant cache hit.
[2024-05-21 07:52:21] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 269/300 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 51/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 94/394 variables, 73/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 51/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/395 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/395 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/395 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 395/395 variables, and 212 constraints, problems are : Problem set: 0 solved, 1 unsolved in 275 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 102/102 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 269/300 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 51/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/394 variables, 73/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 51/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/395 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/395 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/395 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 395/395 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 621 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 931ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 513 ms.
Support contains 24 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2222/2222 transitions.
Applied a total of 0 rules in 201 ms. Remains 105 /105 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 201 ms. Remains : 105/105 places, 2222/2222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2222/2222 transitions.
Applied a total of 0 rules in 236 ms. Remains 105 /105 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
[2024-05-21 07:52:23] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:52:23] [INFO ] Invariant cache hit.
[2024-05-21 07:52:23] [INFO ] Implicit Places using invariants in 297 ms returned []
[2024-05-21 07:52:23] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:52:23] [INFO ] Invariant cache hit.
[2024-05-21 07:52:23] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:52:24] [INFO ] Implicit Places using invariants and state equation in 790 ms returned []
Implicit Place search using SMT with State Equation took 1090 ms to find 0 implicit places.
[2024-05-21 07:52:24] [INFO ] Redundant transitions in 40 ms returned []
Running 2219 sub problems to find dead transitions.
[2024-05-21 07:52:24] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:52:24] [INFO ] Invariant cache hit.
[2024-05-21 07:52:24] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:52:48] [INFO ] Deduced a trap composed of 5 places in 278 ms of which 2 ms to minimize.
[2024-05-21 07:53:08] [INFO ] Deduced a trap composed of 55 places in 237 ms of which 5 ms to minimize.
Problem TDEAD1488 is UNSAT
Problem TDEAD1539 is UNSAT
Problem TDEAD1590 is UNSAT
Problem TDEAD1641 is UNSAT
Problem TDEAD1692 is UNSAT
Problem TDEAD1743 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/395 variables, and 7 constraints, problems are : Problem set: 6 solved, 2213 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2219/2219 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 6 solved, 2213 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 6 solved, 2213 unsolved
Problem TDEAD1794 is UNSAT
Problem TDEAD1845 is UNSAT
Problem TDEAD1896 is UNSAT
Problem TDEAD1947 is UNSAT
Problem TDEAD1998 is UNSAT
Problem TDEAD2049 is UNSAT
Problem TDEAD2100 is UNSAT
Problem TDEAD2151 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 2/7 constraints. Problems are: Problem set: 14 solved, 2205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/7 constraints. Problems are: Problem set: 14 solved, 2205 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 3 (OVERLAPS) 290/395 variables, 105/112 constraints. Problems are: Problem set: 16 solved, 2203 unsolved
SMT process timed out in 77618ms, After SMT, problems are : Problem set: 16 solved, 2203 unsolved
Search for dead transitions found 16 dead transitions in 77640ms
Found 16 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 16 transitions
Dead transitions reduction (with SMT) removed 16 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 105/105 places, 2206/2222 transitions.
Applied a total of 0 rules in 233 ms. Remains 105 /105 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
[2024-05-21 07:53:42] [INFO ] Redundant transitions in 54 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 79312 ms. Remains : 105/105 places, 2206/2222 transitions.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) p0))), (X (AND p1 p0)), (X p0), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 12 factoid took 405 ms. Reduced automaton from 3 states, 9 edges and 2 AP (stutter insensitive) to 3 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Support contains 24 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 2222/2222 transitions.
Applied a total of 0 rules in 234 ms. Remains 105 /105 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Running 2219 sub problems to find dead transitions.
[2024-05-21 07:53:43] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:53:43] [INFO ] Invariant cache hit.
[2024-05-21 07:53:43] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:54:07] [INFO ] Deduced a trap composed of 5 places in 240 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2219/2219 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2219 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2219 constraints, Known Traps: 1/1 constraints]
After SMT, in 57914ms problems are : Problem set: 0 solved, 2219 unsolved
Search for dead transitions found 0 dead transitions in 57940ms
[2024-05-21 07:54:41] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:54:41] [INFO ] Invariant cache hit.
[2024-05-21 07:54:41] [INFO ] Implicit Places using invariants in 214 ms returned []
[2024-05-21 07:54:41] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:54:41] [INFO ] Invariant cache hit.
[2024-05-21 07:54:41] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:54:42] [INFO ] Implicit Places using invariants and state equation in 637 ms returned []
Implicit Place search using SMT with State Equation took 866 ms to find 0 implicit places.
[2024-05-21 07:54:42] [INFO ] Redundant transitions in 55 ms returned []
Running 2219 sub problems to find dead transitions.
[2024-05-21 07:54:42] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 07:54:42] [INFO ] Invariant cache hit.
[2024-05-21 07:54:42] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:55:06] [INFO ] Deduced a trap composed of 5 places in 231 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2219/2219 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2219 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 07:55:52] [INFO ] Deduced a trap composed of 55 places in 159 ms of which 1 ms to minimize.
Problem TDEAD1488 is UNSAT
Problem TDEAD1539 is UNSAT
Problem TDEAD1590 is UNSAT
Problem TDEAD1641 is UNSAT
Problem TDEAD1692 is UNSAT
Problem TDEAD1743 is UNSAT
Problem TDEAD1794 is UNSAT
Problem TDEAD1845 is UNSAT
Problem TDEAD1896 is UNSAT
Problem TDEAD1947 is UNSAT
Problem TDEAD1998 is UNSAT
Problem TDEAD2049 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/395 variables, and 7 constraints, problems are : Problem set: 12 solved, 2207 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2219 constraints, Known Traps: 2/2 constraints]
After SMT, in 77627ms problems are : Problem set: 12 solved, 2207 unsolved
Search for dead transitions found 12 dead transitions in 77653ms
Found 12 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 12 transitions
Dead transitions reduction (with SMT) removed 12 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 105/105 places, 2210/2222 transitions.
Applied a total of 0 rules in 185 ms. Remains 105 /105 variables (removed 0) and now considering 2210/2210 (removed 0) transitions.
[2024-05-21 07:56:00] [INFO ] Redundant transitions in 40 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 136997 ms. Remains : 105/105 places, 2210/2222 transitions.
Computed a total of 48 stabilizing places and 84 stable transitions
Computed a total of 48 stabilizing places and 84 stable transitions
Detected a total of 48/105 stabilizing places and 84/2210 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 180 ms. Reduced automaton from 3 states, 9 edges and 2 AP (stutter insensitive) to 3 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 128 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 40000 steps (228 resets) in 540 ms. (73 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40003 steps (73 resets) in 265 ms. (150 steps per ms) remains 1/1 properties
[2024-05-21 07:56:00] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:56:00] [INFO ] Invariant cache hit.
[2024-05-21 07:56:00] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 269/300 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 51/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 94/394 variables, 73/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 51/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/395 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/395 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/395 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 395/395 variables, and 212 constraints, problems are : Problem set: 0 solved, 1 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 102/102 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 269/300 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 51/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/394 variables, 73/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 51/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/395 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/395 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/395 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 395/395 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 966 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1252ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 231 ms.
Support contains 24 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2210/2210 transitions.
Applied a total of 0 rules in 197 ms. Remains 105 /105 variables (removed 0) and now considering 2210/2210 (removed 0) transitions.
Running 2207 sub problems to find dead transitions.
[2024-05-21 07:56:02] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:56:02] [INFO ] Invariant cache hit.
[2024-05-21 07:56:02] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
[2024-05-21 07:56:25] [INFO ] Deduced a trap composed of 5 places in 276 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2207 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2207/2207 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2207 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2207 constraints, Known Traps: 1/1 constraints]
After SMT, in 57118ms problems are : Problem set: 0 solved, 2207 unsolved
Search for dead transitions found 0 dead transitions in 57144ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57347 ms. Remains : 105/105 places, 2210/2210 transitions.
RANDOM walk for 40000 steps (228 resets) in 470 ms. (84 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (73 resets) in 212 ms. (187 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 294037 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 1
Probabilistic random walk after 294037 steps, saw 76609 distinct states, run finished after 3002 ms. (steps per millisecond=97 ) properties seen :0
[2024-05-21 07:57:02] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:57:02] [INFO ] Invariant cache hit.
[2024-05-21 07:57:02] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 269/300 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 51/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 94/394 variables, 73/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 51/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/395 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/395 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/395 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 395/395 variables, and 212 constraints, problems are : Problem set: 0 solved, 1 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 102/102 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 269/300 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 51/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/394 variables, 73/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/394 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 51/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/395 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/395 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/395 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 395/395 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 730 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 958ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 216 ms.
Support contains 24 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2210/2210 transitions.
Applied a total of 0 rules in 170 ms. Remains 105 /105 variables (removed 0) and now considering 2210/2210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 105/105 places, 2210/2210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2210/2210 transitions.
Applied a total of 0 rules in 182 ms. Remains 105 /105 variables (removed 0) and now considering 2210/2210 (removed 0) transitions.
[2024-05-21 07:57:04] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:57:04] [INFO ] Invariant cache hit.
[2024-05-21 07:57:04] [INFO ] Implicit Places using invariants in 291 ms returned []
[2024-05-21 07:57:04] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:57:04] [INFO ] Invariant cache hit.
[2024-05-21 07:57:04] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:57:05] [INFO ] Implicit Places using invariants and state equation in 873 ms returned []
Implicit Place search using SMT with State Equation took 1164 ms to find 0 implicit places.
[2024-05-21 07:57:05] [INFO ] Redundant transitions in 54 ms returned []
Running 2207 sub problems to find dead transitions.
[2024-05-21 07:57:05] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:57:05] [INFO ] Invariant cache hit.
[2024-05-21 07:57:05] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
[2024-05-21 07:57:29] [INFO ] Deduced a trap composed of 5 places in 273 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2207 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2207/2207 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2207 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2207 constraints, Known Traps: 1/1 constraints]
After SMT, in 77439ms problems are : Problem set: 0 solved, 2207 unsolved
Search for dead transitions found 0 dead transitions in 77463ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78873 ms. Remains : 105/105 places, 2210/2210 transitions.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 12 factoid took 363 ms. Reduced automaton from 3 states, 9 edges and 2 AP (stutter insensitive) to 3 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 602 reset in 1115 ms.
Product exploration explored 100000 steps with 602 reset in 905 ms.
Support contains 24 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 2210/2210 transitions.
Applied a total of 0 rules in 180 ms. Remains 105 /105 variables (removed 0) and now considering 2210/2210 (removed 0) transitions.
Running 2207 sub problems to find dead transitions.
[2024-05-21 07:58:25] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:58:25] [INFO ] Invariant cache hit.
[2024-05-21 07:58:25] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
[2024-05-21 07:58:49] [INFO ] Deduced a trap composed of 5 places in 234 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2207 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2207/2207 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2207 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2207 constraints, Known Traps: 1/1 constraints]
After SMT, in 57673ms problems are : Problem set: 0 solved, 2207 unsolved
Search for dead transitions found 0 dead transitions in 57694ms
[2024-05-21 07:59:23] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:59:23] [INFO ] Invariant cache hit.
[2024-05-21 07:59:23] [INFO ] Implicit Places using invariants in 290 ms returned []
[2024-05-21 07:59:23] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:59:23] [INFO ] Invariant cache hit.
[2024-05-21 07:59:23] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 07:59:24] [INFO ] Implicit Places using invariants and state equation in 969 ms returned []
Implicit Place search using SMT with State Equation took 1259 ms to find 0 implicit places.
[2024-05-21 07:59:24] [INFO ] Redundant transitions in 63 ms returned []
Running 2207 sub problems to find dead transitions.
[2024-05-21 07:59:24] [INFO ] Flow matrix only has 290 transitions (discarded 1920 similar events)
[2024-05-21 07:59:24] [INFO ] Invariant cache hit.
[2024-05-21 07:59:24] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
[2024-05-21 07:59:47] [INFO ] Deduced a trap composed of 5 places in 229 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2207 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2207/2207 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2207 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2207 constraints, Known Traps: 1/1 constraints]
After SMT, in 77498ms problems are : Problem set: 0 solved, 2207 unsolved
Search for dead transitions found 0 dead transitions in 77523ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 136732 ms. Remains : 105/105 places, 2210/2210 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-12 finished in 626464 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 X(G(p1))))'
Support contains 53 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Applied a total of 0 rules in 7 ms. Remains 106 /106 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Running 2219 sub problems to find dead transitions.
[2024-05-21 08:00:42] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
// Phase 1: matrix 290 rows 106 cols
[2024-05-21 08:00:42] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 08:00:42] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
[2024-05-21 08:01:06] [INFO ] Deduced a trap composed of 5 places in 241 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/396 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2219/2219 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2219 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2219 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/396 variables, and 6 constraints, problems are : Problem set: 0 solved, 2219 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2219 constraints, Known Traps: 1/1 constraints]
After SMT, in 56834ms problems are : Problem set: 0 solved, 2219 unsolved
Search for dead transitions found 0 dead transitions in 56861ms
[2024-05-21 08:01:39] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 08:01:39] [INFO ] Invariant cache hit.
[2024-05-21 08:01:39] [INFO ] Implicit Places using invariants in 273 ms returned []
[2024-05-21 08:01:39] [INFO ] Flow matrix only has 290 transitions (discarded 1932 similar events)
[2024-05-21 08:01:39] [INFO ] Invariant cache hit.
[2024-05-21 08:01:39] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 08:01:40] [INFO ] Implicit Places using invariants and state equation in 1009 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1286 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2222/2222 transitions.
Applied a total of 0 rules in 10 ms. Remains 104 /104 variables (removed 0) and now considering 2222/2222 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 58170 ms. Remains : 104/106 places, 2222/2222 transitions.
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-13 finished in 58285 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((G(p1)||p0))))'
Support contains 25 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2221
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2221
Applied a total of 2 rules in 19 ms. Remains 105 /106 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 08:01:40] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
// Phase 1: matrix 289 rows 105 cols
[2024-05-21 08:01:40] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 08:01:40] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 08:02:04] [INFO ] Deduced a trap composed of 5 places in 305 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 08:02:36] [INFO ] Deduced a trap composed of 55 places in 198 ms of which 0 ms to minimize.
Problem TDEAD1487 is UNSAT
Problem TDEAD1538 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 7 constraints, problems are : Problem set: 2 solved, 2216 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 2/2 constraints]
After SMT, in 56736ms problems are : Problem set: 2 solved, 2216 unsolved
Search for dead transitions found 2 dead transitions in 56768ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 2 transitions.
[2024-05-21 08:02:37] [INFO ] Flow matrix only has 289 transitions (discarded 1930 similar events)
[2024-05-21 08:02:37] [INFO ] Invariant cache hit.
[2024-05-21 08:02:37] [INFO ] Implicit Places using invariants in 231 ms returned []
[2024-05-21 08:02:37] [INFO ] Flow matrix only has 289 transitions (discarded 1930 similar events)
[2024-05-21 08:02:37] [INFO ] Invariant cache hit.
[2024-05-21 08:02:37] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 08:02:38] [INFO ] Implicit Places using invariants and state equation in 683 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 917 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2219/2222 transitions.
Applied a total of 0 rules in 5 ms. Remains 103 /103 variables (removed 0) and now considering 2219/2219 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 57715 ms. Remains : 103/106 places, 2219/2222 transitions.
Stuttering acceptance computed with spot in 162 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-COL-V20P20N50-LTLFireability-15
Product exploration explored 100000 steps with 33333 reset in 716 ms.
Product exploration explored 100000 steps with 33333 reset in 618 ms.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Detected a total of 46/103 stabilizing places and 83/2219 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 22 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-15 finished in 59260 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((!p0 U (p1||G(!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(F(p0)))'
Found a Shortening insensitive property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-01
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 106 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 106/106 places, 2222/2222 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 105 transition count 2221
Applied a total of 2 rules in 25 ms. Remains 105 /106 variables (removed 1) and now considering 2221/2222 (removed 1) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 08:02:40] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
// Phase 1: matrix 289 rows 105 cols
[2024-05-21 08:02:40] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 08:02:40] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 08:03:04] [INFO ] Deduced a trap composed of 5 places in 281 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 57527ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 57547ms
[2024-05-21 08:03:38] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 08:03:38] [INFO ] Invariant cache hit.
[2024-05-21 08:03:38] [INFO ] Implicit Places using invariants in 334 ms returned []
[2024-05-21 08:03:38] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 08:03:38] [INFO ] Invariant cache hit.
[2024-05-21 08:03:38] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 08:03:39] [INFO ] Implicit Places using invariants and state equation in 1081 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1417 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 103/106 places, 2221/2222 transitions.
Applied a total of 0 rules in 33 ms. Remains 103 /103 variables (removed 0) and now considering 2221/2221 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 59030 ms. Remains : 103/106 places, 2221/2222 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N50-LTLFireability-01
Product exploration explored 100000 steps with 1546 reset in 886 ms.
Product exploration explored 100000 steps with 1531 reset in 683 ms.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Detected a total of 46/103 stabilizing places and 83/2221 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 113 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 216 steps (0 resets) in 6 ms. (30 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 113 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 59 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 56 ms :[(NOT p0), (NOT p0)]
[2024-05-21 08:03:41] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
// Phase 1: matrix 289 rows 103 cols
[2024-05-21 08:03:41] [INFO ] Computed 5 invariants in 4 ms
[2024-05-21 08:03:42] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 08:03:42] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2024-05-21 08:03:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 08:03:42] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 08:03:43] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2024-05-21 08:03:43] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 08:03:43] [INFO ] [Nat]Added 102 Read/Feed constraints in 60 ms returned sat
[2024-05-21 08:03:43] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 196 transitions) in 84 ms.
[2024-05-21 08:03:43] [INFO ] Added : 22 causal constraints over 5 iterations in 352 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 2221/2221 transitions.
Applied a total of 0 rules in 224 ms. Remains 103 /103 variables (removed 0) and now considering 2221/2221 (removed 0) transitions.
Running 2218 sub problems to find dead transitions.
[2024-05-21 08:03:43] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 08:03:43] [INFO ] Invariant cache hit.
[2024-05-21 08:03:43] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 08:04:08] [INFO ] Deduced a trap composed of 5 places in 199 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/392 variables, and 6 constraints, problems are : Problem set: 0 solved, 2218 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 1/1 constraints]
After SMT, in 58322ms problems are : Problem set: 0 solved, 2218 unsolved
Search for dead transitions found 0 dead transitions in 58347ms
[2024-05-21 08:04:42] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 08:04:42] [INFO ] Invariant cache hit.
[2024-05-21 08:04:42] [INFO ] Implicit Places using invariants in 400 ms returned []
[2024-05-21 08:04:42] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 08:04:42] [INFO ] Invariant cache hit.
[2024-05-21 08:04:42] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-05-21 08:04:43] [INFO ] Implicit Places using invariants and state equation in 1091 ms returned []
Implicit Place search using SMT with State Equation took 1493 ms to find 0 implicit places.
[2024-05-21 08:04:43] [INFO ] Redundant transitions in 55 ms returned []
Running 2218 sub problems to find dead transitions.
[2024-05-21 08:04:43] [INFO ] Flow matrix only has 289 transitions (discarded 1932 similar events)
[2024-05-21 08:04:43] [INFO ] Invariant cache hit.
[2024-05-21 08:04:43] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2218 unsolved
[2024-05-21 08:05:07] [INFO ] Deduced a trap composed of 5 places in 279 ms of which 1 ms to minimize.
[2024-05-21 08:05:25] [INFO ] Deduced a trap composed of 55 places in 198 ms of which 1 ms to minimize.
Problem TDEAD1487 is UNSAT
Problem TDEAD1538 is UNSAT
Problem TDEAD1589 is UNSAT
Problem TDEAD1640 is UNSAT
Problem TDEAD1691 is UNSAT
Problem TDEAD1742 is UNSAT
Problem TDEAD1793 is UNSAT
Problem TDEAD1844 is UNSAT
Problem TDEAD1895 is UNSAT
Problem TDEAD1946 is UNSAT
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/392 variables, and 7 constraints, problems are : Problem set: 10 solved, 2208 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2218/2218 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 10 solved, 2208 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 10 solved, 2208 unsolved
Problem TDEAD1997 is UNSAT
Problem TDEAD2048 is UNSAT
Problem TDEAD2099 is UNSAT
Problem TDEAD2150 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 2/7 constraints. Problems are: Problem set: 14 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/392 variables, and 7 constraints, problems are : Problem set: 14 solved, 2204 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/2218 constraints, Known Traps: 2/2 constraints]
After SMT, in 77389ms problems are : Problem set: 14 solved, 2204 unsolved
Search for dead transitions found 14 dead transitions in 77414ms
Found 14 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 14 transitions
Dead transitions reduction (with SMT) removed 14 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 103/103 places, 2207/2221 transitions.
Applied a total of 0 rules in 162 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
[2024-05-21 08:06:01] [INFO ] Redundant transitions in 39 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 137762 ms. Remains : 103/103 places, 2207/2221 transitions.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Detected a total of 46/103 stabilizing places and 83/2207 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 116 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 228 steps (0 resets) in 7 ms. (28 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 134 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
[2024-05-21 08:06:01] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
// Phase 1: matrix 288 rows 103 cols
[2024-05-21 08:06:01] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 08:06:02] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 08:06:02] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2024-05-21 08:06:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 08:06:03] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 08:06:03] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2024-05-21 08:06:03] [INFO ] State equation strengthened by 101 read => feed constraints.
[2024-05-21 08:06:03] [INFO ] [Nat]Added 101 Read/Feed constraints in 499 ms returned sat
[2024-05-21 08:06:03] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 195 transitions) in 108 ms.
[2024-05-21 08:06:04] [INFO ] Added : 37 causal constraints over 8 iterations in 431 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1552 reset in 879 ms.
Product exploration explored 100000 steps with 1524 reset in 636 ms.
Support contains 1 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 2207/2207 transitions.
Applied a total of 0 rules in 163 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Running 2204 sub problems to find dead transitions.
[2024-05-21 08:06:05] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2024-05-21 08:06:05] [INFO ] Invariant cache hit.
[2024-05-21 08:06:05] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
[2024-05-21 08:06:29] [INFO ] Deduced a trap composed of 5 places in 348 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20063 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/2204 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 0/2204 constraints, Known Traps: 1/1 constraints]
After SMT, in 57083ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 57103ms
[2024-05-21 08:07:03] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2024-05-21 08:07:03] [INFO ] Invariant cache hit.
[2024-05-21 08:07:03] [INFO ] Implicit Places using invariants in 364 ms returned []
[2024-05-21 08:07:03] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2024-05-21 08:07:03] [INFO ] Invariant cache hit.
[2024-05-21 08:07:03] [INFO ] State equation strengthened by 101 read => feed constraints.
[2024-05-21 08:07:04] [INFO ] Implicit Places using invariants and state equation in 915 ms returned []
Implicit Place search using SMT with State Equation took 1281 ms to find 0 implicit places.
[2024-05-21 08:07:04] [INFO ] Redundant transitions in 56 ms returned []
Running 2204 sub problems to find dead transitions.
[2024-05-21 08:07:04] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2024-05-21 08:07:04] [INFO ] Invariant cache hit.
[2024-05-21 08:07:04] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
[2024-05-21 08:07:27] [INFO ] Deduced a trap composed of 5 places in 290 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 30079 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/2204 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 0/2204 constraints, Known Traps: 1/1 constraints]
After SMT, in 77350ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 77375ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 135991 ms. Remains : 103/103 places, 2207/2207 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N50-LTLFireability-01 finished in 341625 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
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 U (G(p0)||(p0&&G(p1)))))))'
[2024-05-21 08:08:22] [INFO ] Flatten gal took : 110 ms
[2024-05-21 08:08:22] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLFireability.sr.xml took 61 ms.
[2024-05-21 08:08:22] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 106 places, 2222 transitions and 17140 arcs took 21 ms.
Total runtime 2708173 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-COL-V20P20N50

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/418/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 106
TRANSITIONS: 2222
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.094s, Sys 0.005s]


SAVING FILE /home/mcc/execution/418/model (.net / .def) ...
EXPORT TIME: [User 0.010s, Sys 0.000s]


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

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

Process ID: 2411
MODEL NAME: /home/mcc/execution/418/model
106 places, 2222 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-COL-V20P20N50-LTLFireability-11 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLFireability-01 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL

BK_TIME_CONFINEMENT_REACHED

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

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

Error in allocating array of size 8388608 at unique_table.cc, line 313
MEDDLY ERROR: Insufficient memory

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V20P20N50"
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-COL-V20P20N50, 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-171620397400060"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N50.tgz
mv BridgeAndVehicles-COL-V20P20N50 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 ;