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-171620397400028.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-V20P10N20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397400028
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 8.3K Apr 13 02:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Apr 13 02:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Apr 13 02:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Apr 13 02:09 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 4.2K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 02:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Apr 13 02:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 13 02:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Apr 13 02:28 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 40K 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-V20P10N20-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V20P10N20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716275405115

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-V20P10N20
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 07:10:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 07:10:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 07:10:06] [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 07:10:06] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-21 07:10:07] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 592 ms
[2024-05-21 07:10:07] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 78 PT places and 37258.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
[2024-05-21 07:10:07] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 6 ms.
[2024-05-21 07:10:07] [INFO ] Skeletonized 8 HLPN properties in 2 ms. Removed 8 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Remains 1 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 117 steps (0 resets) in 8 ms. (13 steps per ms) remains 0/1 properties
[2024-05-21 07:10:07] [INFO ] Flatten gal took : 16 ms
[2024-05-21 07:10:07] [INFO ] Flatten gal took : 2 ms
Arc [13:1*[(MOD (ADD $cpt 1) 21)]] 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 07:10:07] [INFO ] Unfolded HLPN to a Petri net with 78 places and 968 transitions 7350 arcs in 81 ms.
[2024-05-21 07:10:07] [INFO ] Unfolded 14 HLPN properties in 3 ms.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 75 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 968/968 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 76 transition count 968
Applied a total of 2 rules in 37 ms. Remains 76 /78 variables (removed 2) and now considering 968/968 (removed 0) transitions.
Running 965 sub problems to find dead transitions.
[2024-05-21 07:10:08] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
// Phase 1: matrix 170 rows 76 cols
[2024-05-21 07:10:08] [INFO ] Computed 5 invariants in 13 ms
[2024-05-21 07:10:08] [INFO ] State equation strengthened by 42 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 965 unsolved
[2024-05-21 07:10:14] [INFO ] Deduced a trap composed of 5 places in 182 ms of which 17 ms to minimize.
[2024-05-21 07:10:17] [INFO ] Deduced a trap composed of 25 places in 147 ms of which 1 ms to minimize.
Problem TDEAD528 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD591 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD633 is UNSAT
Problem TDEAD654 is UNSAT
Problem TDEAD675 is UNSAT
Problem TDEAD696 is UNSAT
Problem TDEAD717 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD780 is UNSAT
Problem TDEAD801 is UNSAT
Problem TDEAD822 is UNSAT
Problem TDEAD843 is UNSAT
Problem TDEAD864 is UNSAT
Problem TDEAD885 is UNSAT
Problem TDEAD906 is UNSAT
Problem TDEAD927 is UNSAT
[2024-05-21 07:10:19] [INFO ] Deduced a trap composed of 24 places in 111 ms of which 1 ms to minimize.
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 3/8 constraints. Problems are: Problem set: 40 solved, 925 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 40 solved, 925 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 3 (OVERLAPS) 170/246 variables, 76/84 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 42/126 constraints. Problems are: Problem set: 42 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 246/246 variables, and 126 constraints, problems are : Problem set: 42 solved, 923 unsolved in 20089 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 76/76 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 965/965 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 42 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 3/8 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 170/246 variables, 76/84 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 42/126 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 923/1049 constraints. Problems are: Problem set: 42 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 246/246 variables, and 1049 constraints, problems are : Problem set: 42 solved, 923 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 76/76 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 923/965 constraints, Known Traps: 3/3 constraints]
After SMT, in 43981ms problems are : Problem set: 42 solved, 923 unsolved
Search for dead transitions found 42 dead transitions in 44029ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 42 transitions.
[2024-05-21 07:10:52] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2024-05-21 07:10:52] [INFO ] Computed 7 invariants in 4 ms
[2024-05-21 07:10:52] [INFO ] Implicit Places using invariants in 71 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 76 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 75/78 places, 926/968 transitions.
Applied a total of 0 rules in 5 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44203 ms. Remains : 75/78 places, 926/968 transitions.
Support contains 75 out of 75 places after structural reductions.
[2024-05-21 07:10:52] [INFO ] Flatten gal took : 113 ms
[2024-05-21 07:10:52] [INFO ] Flatten gal took : 121 ms
[2024-05-21 07:10:53] [INFO ] Input system was already deterministic with 926 transitions.
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 22068 steps (126 resets) in 1774 ms. (12 steps per ms) remains 0/12 properties
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 48 stabilizing places and 82 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' '!(X((G(p0)||((G(p1)&&F(!p2)) U p3))))'
Support contains 50 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 14 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:10:54] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 74 cols
[2024-05-21 07:10:54] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 07:10:54] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:11:00] [INFO ] Deduced a trap composed of 5 places in 181 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:11:16] [INFO ] Deduced a trap composed of 25 places in 119 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43725ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43740ms
[2024-05-21 07:11:38] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:11:38] [INFO ] Invariant cache hit.
[2024-05-21 07:11:38] [INFO ] Implicit Places using invariants in 120 ms returned []
[2024-05-21 07:11:38] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:11:38] [INFO ] Invariant cache hit.
[2024-05-21 07:11:38] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:11:38] [INFO ] Implicit Places using invariants and state equation in 249 ms returned []
Implicit Place search using SMT with State Equation took 370 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:11:38] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:11:38] [INFO ] Invariant cache hit.
[2024-05-21 07:11:38] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:11:44] [INFO ] Deduced a trap composed of 5 places in 146 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:12:00] [INFO ] Deduced a trap composed of 25 places in 121 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 63175ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63191ms
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 925/926 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 107326 ms. Remains : 74/75 places, 925/926 transitions.
Stuttering acceptance computed with spot in 511 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), true, (NOT p0), (NOT p1), p2, (NOT p3), (AND (NOT p0) (NOT p1)), (AND p2 (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-00
Entered a terminal (fully accepting) state of product in 98 steps with 0 reset in 7 ms.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-00 finished in 107963 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)&&X(p2)))'
Support contains 47 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 12 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:12:42] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:12:42] [INFO ] Invariant cache hit.
[2024-05-21 07:12:42] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:12:47] [INFO ] Deduced a trap composed of 5 places in 139 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:13:05] [INFO ] Deduced a trap composed of 25 places in 115 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43228ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43252ms
[2024-05-21 07:13:25] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:13:25] [INFO ] Invariant cache hit.
[2024-05-21 07:13:25] [INFO ] Implicit Places using invariants in 126 ms returned []
[2024-05-21 07:13:25] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:13:26] [INFO ] Invariant cache hit.
[2024-05-21 07:13:26] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:13:26] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 385 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:13:26] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:13:26] [INFO ] Invariant cache hit.
[2024-05-21 07:13:26] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:13:31] [INFO ] Deduced a trap composed of 5 places in 102 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:13:48] [INFO ] Deduced a trap composed of 25 places in 94 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 63474ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63486ms
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 925/926 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 107143 ms. Remains : 74/75 places, 925/926 transitions.
Stuttering acceptance computed with spot in 103 ms :[(OR (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-01 finished in 107279 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Support contains 43 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 8 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:14:29] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:14:29] [INFO ] Invariant cache hit.
[2024-05-21 07:14:29] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:14:34] [INFO ] Deduced a trap composed of 5 places in 99 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:14:49] [INFO ] Deduced a trap composed of 25 places in 81 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42275ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42287ms
[2024-05-21 07:15:12] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:15:12] [INFO ] Invariant cache hit.
[2024-05-21 07:15:12] [INFO ] Implicit Places using invariants in 118 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 132 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/75 places, 925/926 transitions.
Applied a total of 0 rules in 12 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42444 ms. Remains : 73/75 places, 925/926 transitions.
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 1242 ms.
Product exploration explored 100000 steps with 50000 reset in 1207 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 28 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-02 finished in 45087 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 22 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
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 72 transition count 924
Applied a total of 5 rules in 211 ms. Remains 72 /75 variables (removed 3) and now considering 924/926 (removed 2) transitions.
[2024-05-21 07:15:15] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 72 cols
[2024-05-21 07:15:15] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:15:15] [INFO ] Implicit Places using invariants in 154 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 157 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 71/75 places, 924/926 transitions.
Applied a total of 0 rules in 111 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 479 ms. Remains : 71/75 places, 924/926 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-03
Product exploration explored 100000 steps with 789 reset in 617 ms.
Product exploration explored 100000 steps with 789 reset in 546 ms.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 1 factoid took 193 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 31 ms :[(NOT p0)]
RANDOM walk for 17 steps (0 resets) in 5 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0))), (F p0)]
Knowledge based reduction with 1 factoid took 146 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 26 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
[2024-05-21 07:15:17] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 71 cols
[2024-05-21 07:15:17] [INFO ] Computed 4 invariants in 1 ms
[2024-05-21 07:15:17] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:15:17] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-05-21 07:15:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:15:18] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:15:18] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2024-05-21 07:15:18] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:15:18] [INFO ] [Nat]Added 40 Read/Feed constraints in 20 ms returned sat
[2024-05-21 07:15:18] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 103 transitions) in 55 ms.
[2024-05-21 07:15:18] [INFO ] Added : 37 causal constraints over 8 iterations in 250 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 22 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 924/924 transitions.
Applied a total of 0 rules in 61 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
[2024-05-21 07:15:18] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:15:18] [INFO ] Invariant cache hit.
[2024-05-21 07:15:18] [INFO ] Implicit Places using invariants in 155 ms returned []
[2024-05-21 07:15:18] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:15:18] [INFO ] Invariant cache hit.
[2024-05-21 07:15:18] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:15:18] [INFO ] Implicit Places using invariants and state equation in 395 ms returned []
Implicit Place search using SMT with State Equation took 568 ms to find 0 implicit places.
[2024-05-21 07:15:19] [INFO ] Redundant transitions in 41 ms returned []
Running 921 sub problems to find dead transitions.
[2024-05-21 07:15:19] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:15:19] [INFO ] Invariant cache hit.
[2024-05-21 07:15:19] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:15:23] [INFO ] Deduced a trap composed of 5 places in 536 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/76 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/116 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:15:34] [INFO ] Deduced a trap composed of 25 places in 82 ms of which 0 ms to minimize.
[2024-05-21 07:15:34] [INFO ] Deduced a trap composed of 24 places in 80 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 7 (OVERLAPS) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 118 constraints, problems are : Problem set: 0 solved, 921 unsolved in 27670 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 921 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/78 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 921/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/235 variables, and 1039 constraints, problems are : Problem set: 0 solved, 921 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
After SMT, in 59821ms problems are : Problem set: 0 solved, 921 unsolved
Search for dead transitions found 0 dead transitions in 59830ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60511 ms. Remains : 71/71 places, 924/924 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 : [(NOT p0)]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 1 factoid took 308 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 31 ms :[(NOT p0)]
RANDOM walk for 15 steps (0 resets) in 6 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0))), (F p0)]
Knowledge based reduction with 1 factoid took 208 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
[2024-05-21 07:16:19] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:16:19] [INFO ] Invariant cache hit.
[2024-05-21 07:16:19] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:16:19] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-05-21 07:16:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:16:20] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 07:16:20] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2024-05-21 07:16:20] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:16:20] [INFO ] [Nat]Added 40 Read/Feed constraints in 14 ms returned sat
[2024-05-21 07:16:20] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 103 transitions) in 52 ms.
[2024-05-21 07:16:20] [INFO ] Added : 37 causal constraints over 8 iterations in 311 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Product exploration explored 100000 steps with 789 reset in 622 ms.
Product exploration explored 100000 steps with 789 reset in 494 ms.
Support contains 22 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 924/924 transitions.
Applied a total of 0 rules in 44 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
[2024-05-21 07:16:21] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:16:21] [INFO ] Invariant cache hit.
[2024-05-21 07:16:22] [INFO ] Implicit Places using invariants in 626 ms returned []
[2024-05-21 07:16:22] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:16:22] [INFO ] Invariant cache hit.
[2024-05-21 07:16:22] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:16:22] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 901 ms to find 0 implicit places.
[2024-05-21 07:16:22] [INFO ] Redundant transitions in 29 ms returned []
Running 921 sub problems to find dead transitions.
[2024-05-21 07:16:22] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:16:22] [INFO ] Invariant cache hit.
[2024-05-21 07:16:22] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:16:26] [INFO ] Deduced a trap composed of 5 places in 104 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/76 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/116 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:16:37] [INFO ] Deduced a trap composed of 25 places in 80 ms of which 1 ms to minimize.
[2024-05-21 07:16:38] [INFO ] Deduced a trap composed of 24 places in 81 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 7 (OVERLAPS) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 118 constraints, problems are : Problem set: 0 solved, 921 unsolved in 27908 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 921 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/78 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 921/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/235 variables, and 1039 constraints, problems are : Problem set: 0 solved, 921 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
After SMT, in 60035ms problems are : Problem set: 0 solved, 921 unsolved
Search for dead transitions found 0 dead transitions in 60044ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61034 ms. Remains : 71/71 places, 924/924 transitions.
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-03 finished in 128323 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(!p0)&&F(G(p1)))))'
Support contains 23 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 70 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:17:23] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 74 cols
[2024-05-21 07:17:23] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 07:17:23] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:17:27] [INFO ] Deduced a trap composed of 5 places in 134 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:17:39] [INFO ] Deduced a trap composed of 25 places in 99 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42147ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42156ms
[2024-05-21 07:18:05] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:18:05] [INFO ] Invariant cache hit.
[2024-05-21 07:18:05] [INFO ] Implicit Places using invariants in 101 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 125 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/75 places, 925/926 transitions.
Applied a total of 0 rules in 44 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 42409 ms. Remains : 73/75 places, 925/926 transitions.
Stuttering acceptance computed with spot in 130 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-04
Stuttering criterion allowed to conclude after 2488 steps with 16 reset in 9 ms.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-04 finished in 42564 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||X(!p1))))'
Support contains 45 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 6 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:18:05] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 74 cols
[2024-05-21 07:18:05] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 07:18:05] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:18:10] [INFO ] Deduced a trap composed of 5 places in 108 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:18:28] [INFO ] Deduced a trap composed of 25 places in 83 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42390ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42399ms
[2024-05-21 07:18:48] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:18:48] [INFO ] Invariant cache hit.
[2024-05-21 07:18:48] [INFO ] Implicit Places using invariants in 68 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 70 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/75 places, 925/926 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42480 ms. Remains : 73/75 places, 925/926 transitions.
Stuttering acceptance computed with spot in 109 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-08
Product exploration explored 100000 steps with 24914 reset in 1143 ms.
Product exploration explored 100000 steps with 25063 reset in 1136 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X p1), (X (X p1))]
False Knowledge obtained : [(X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 290 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
RANDOM walk for 40000 steps (228 resets) in 4140 ms. (9 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (102 resets) in 2740 ms. (14 steps per ms) remains 1/1 properties
[2024-05-21 07:18:53] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 73 cols
[2024-05-21 07:18:53] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:18:53] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf5 is UNSAT
After SMT solving in domain Real declared 69/238 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 4/5 constraints, State Equation: 0/73 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 278ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1), (X p1), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (F (NOT p1)), (F p0), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) p1))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 4 factoid took 317 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 50 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 51 ms :[(NOT p0), (NOT p0)]
[2024-05-21 07:18:53] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:18:53] [INFO ] Invariant cache hit.
[2024-05-21 07:18:54] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-05-21 07:18:54] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2024-05-21 07:18:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:18:54] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-05-21 07:18:54] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2024-05-21 07:18:54] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:18:54] [INFO ] [Nat]Added 40 Read/Feed constraints in 22 ms returned sat
[2024-05-21 07:18:54] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 34 ms.
[2024-05-21 07:18:55] [INFO ] Added : 21 causal constraints over 5 iterations in 167 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 22 out of 73 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 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 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 71 transition count 924
Applied a total of 3 rules in 76 ms. Remains 71 /73 variables (removed 2) and now considering 924/925 (removed 1) transitions.
[2024-05-21 07:18:55] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 71 cols
[2024-05-21 07:18:55] [INFO ] Computed 4 invariants in 1 ms
[2024-05-21 07:18:55] [INFO ] Implicit Places using invariants in 121 ms returned []
[2024-05-21 07:18:55] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:18:55] [INFO ] Invariant cache hit.
[2024-05-21 07:18:55] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:18:55] [INFO ] Implicit Places using invariants and state equation in 347 ms returned []
Implicit Place search using SMT with State Equation took 496 ms to find 0 implicit places.
[2024-05-21 07:18:55] [INFO ] Redundant transitions in 13 ms returned []
Running 921 sub problems to find dead transitions.
[2024-05-21 07:18:55] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:18:55] [INFO ] Invariant cache hit.
[2024-05-21 07:18:55] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:19:00] [INFO ] Deduced a trap composed of 5 places in 426 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/76 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/116 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:19:11] [INFO ] Deduced a trap composed of 25 places in 83 ms of which 0 ms to minimize.
[2024-05-21 07:19:11] [INFO ] Deduced a trap composed of 24 places in 91 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 7 (OVERLAPS) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 118 constraints, problems are : Problem set: 0 solved, 921 unsolved in 27895 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 921 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/78 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 921/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/235 variables, and 1039 constraints, problems are : Problem set: 0 solved, 921 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
After SMT, in 60538ms problems are : Problem set: 0 solved, 921 unsolved
Search for dead transitions found 0 dead transitions in 60548ms
Starting structural reductions in SI_LTL mode, iteration 1 : 71/73 places, 924/925 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61143 ms. Remains : 71/73 places, 924/925 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 : [(NOT p0)]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 203 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 50 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 8 steps (0 resets) in 5 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 132 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 51 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0), (NOT p0)]
[2024-05-21 07:19:56] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:19:56] [INFO ] Invariant cache hit.
[2024-05-21 07:19:57] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:19:57] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-21 07:19:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:19:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:19:57] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2024-05-21 07:19:57] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:19:57] [INFO ] [Nat]Added 40 Read/Feed constraints in 24 ms returned sat
[2024-05-21 07:19:57] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 103 transitions) in 23 ms.
[2024-05-21 07:19:57] [INFO ] Added : 37 causal constraints over 8 iterations in 162 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 49 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 24816 reset in 319 ms.
Product exploration explored 100000 steps with 24890 reset in 328 ms.
Support contains 22 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 924/924 transitions.
Applied a total of 0 rules in 42 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
[2024-05-21 07:19:58] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:19:58] [INFO ] Invariant cache hit.
[2024-05-21 07:19:58] [INFO ] Implicit Places using invariants in 156 ms returned []
[2024-05-21 07:19:58] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:19:58] [INFO ] Invariant cache hit.
[2024-05-21 07:19:58] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:19:58] [INFO ] Implicit Places using invariants and state equation in 248 ms returned []
Implicit Place search using SMT with State Equation took 424 ms to find 0 implicit places.
[2024-05-21 07:19:58] [INFO ] Redundant transitions in 9 ms returned []
Running 921 sub problems to find dead transitions.
[2024-05-21 07:19:58] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:19:58] [INFO ] Invariant cache hit.
[2024-05-21 07:19:58] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:20:03] [INFO ] Deduced a trap composed of 5 places in 94 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/76 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/116 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:20:14] [INFO ] Deduced a trap composed of 25 places in 74 ms of which 1 ms to minimize.
[2024-05-21 07:20:14] [INFO ] Deduced a trap composed of 24 places in 92 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 7 (OVERLAPS) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 118 constraints, problems are : Problem set: 0 solved, 921 unsolved in 25866 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 921 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/78 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 921/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/235 variables, and 1039 constraints, problems are : Problem set: 0 solved, 921 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
After SMT, in 58813ms problems are : Problem set: 0 solved, 921 unsolved
Search for dead transitions found 0 dead transitions in 58822ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 59307 ms. Remains : 71/71 places, 924/924 transitions.
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-08 finished in 172329 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 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 72 transition count 924
Applied a total of 5 rules in 184 ms. Remains 72 /75 variables (removed 3) and now considering 924/926 (removed 2) transitions.
[2024-05-21 07:20:58] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 72 cols
[2024-05-21 07:20:58] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:20:58] [INFO ] Implicit Places using invariants in 339 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 341 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 71/75 places, 924/926 transitions.
Applied a total of 0 rules in 91 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 618 ms. Remains : 71/75 places, 924/926 transitions.
Stuttering acceptance computed with spot in 115 ms :[p0, p0]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-09
Stuttering criterion allowed to conclude after 13755 steps with 164 reset in 34 ms.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-09 finished in 797 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(p0) U p1)||G(p2)))'
Support contains 26 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:20:58] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 75 cols
[2024-05-21 07:20:59] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 07:20:59] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:21:03] [INFO ] Deduced a trap composed of 5 places in 100 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/241 variables, 75/82 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:21:14] [INFO ] Deduced a trap composed of 25 places in 81 ms of which 13 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 241/241 variables, and 123 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/241 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 923/1046 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 1046 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 42167ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 42175ms
[2024-05-21 07:21:41] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:21:41] [INFO ] Invariant cache hit.
[2024-05-21 07:21:41] [INFO ] Implicit Places using invariants in 113 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 128 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 926/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42312 ms. Remains : 74/75 places, 926/926 transitions.
Stuttering acceptance computed with spot in 143 ms :[true, (OR (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-10 finished in 42484 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 65 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 5 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:21:41] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 74 cols
[2024-05-21 07:21:41] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 07:21:41] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:21:46] [INFO ] Deduced a trap composed of 5 places in 101 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:22:02] [INFO ] Deduced a trap composed of 25 places in 97 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42925ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42934ms
[2024-05-21 07:22:24] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:22:24] [INFO ] Invariant cache hit.
[2024-05-21 07:22:24] [INFO ] Implicit Places using invariants in 34 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 54 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/75 places, 925/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42999 ms. Remains : 73/75 places, 925/926 transitions.
Stuttering acceptance computed with spot in 54 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-11
Stuttering criterion allowed to conclude after 165 steps with 0 reset in 6 ms.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-11 finished in 43080 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U !p1)&&(G((G(p2) U p0)) U G(!p1))))'
Support contains 24 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Applied a total of 0 rules in 34 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:22:24] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 75 cols
[2024-05-21 07:22:24] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 07:22:24] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:22:29] [INFO ] Deduced a trap composed of 5 places in 125 ms of which 14 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/241 variables, 75/82 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:22:40] [INFO ] Deduced a trap composed of 25 places in 81 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 241/241 variables, and 123 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/241 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 923/1046 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 1046 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 42917ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 42926ms
[2024-05-21 07:23:07] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:23:07] [INFO ] Invariant cache hit.
[2024-05-21 07:23:07] [INFO ] Implicit Places using invariants in 104 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 118 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/75 places, 926/926 transitions.
Applied a total of 0 rules in 40 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43121 ms. Remains : 74/75 places, 926/926 transitions.
Stuttering acceptance computed with spot in 371 ms :[p1, true, (OR (AND p0 p1) (AND p1 p2)), (AND (NOT p0) (NOT p1)), p1, (AND p1 (NOT p2) p0), p1, (NOT p2), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-12
Entered a terminal (fully accepting) state of product in 477 steps with 52 reset in 3 ms.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-12 finished in 43512 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((X(F(p1))||p0))&&X(p2)))'
Support contains 25 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 4 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:23:08] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 74 cols
[2024-05-21 07:23:08] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 07:23:08] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:23:12] [INFO ] Deduced a trap composed of 5 places in 107 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:23:27] [INFO ] Deduced a trap composed of 25 places in 70 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42269ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42278ms
[2024-05-21 07:23:50] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:23:50] [INFO ] Invariant cache hit.
[2024-05-21 07:23:50] [INFO ] Implicit Places using invariants in 93 ms returned []
[2024-05-21 07:23:50] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:23:50] [INFO ] Invariant cache hit.
[2024-05-21 07:23:50] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:23:50] [INFO ] Implicit Places using invariants and state equation in 222 ms returned []
Implicit Place search using SMT with State Equation took 341 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:23:50] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:23:50] [INFO ] Invariant cache hit.
[2024-05-21 07:23:50] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:23:55] [INFO ] Deduced a trap composed of 5 places in 113 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:24:11] [INFO ] Deduced a trap composed of 25 places in 76 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62905ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62914ms
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 925/926 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 105544 ms. Remains : 74/75 places, 925/926 transitions.
Stuttering acceptance computed with spot in 223 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2), true]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-13
Entered a terminal (fully accepting) state of product in 454 steps with 6 reset in 4 ms.
FORMULA BridgeAndVehicles-COL-V20P10N20-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-13 finished in 105798 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((X(G(!p0))&&F(!p1))) U X(G(p2)))))'
Support contains 27 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 5 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:24:53] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:24:53] [INFO ] Invariant cache hit.
[2024-05-21 07:24:53] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:24:58] [INFO ] Deduced a trap composed of 5 places in 102 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:25:14] [INFO ] Deduced a trap composed of 25 places in 100 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42968ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42978ms
[2024-05-21 07:25:36] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:25:36] [INFO ] Invariant cache hit.
[2024-05-21 07:25:36] [INFO ] Implicit Places using invariants in 124 ms returned []
[2024-05-21 07:25:36] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:25:36] [INFO ] Invariant cache hit.
[2024-05-21 07:25:37] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:25:37] [INFO ] Implicit Places using invariants and state equation in 258 ms returned []
Implicit Place search using SMT with State Equation took 408 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:25:37] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:25:37] [INFO ] Invariant cache hit.
[2024-05-21 07:25:37] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:25:42] [INFO ] Deduced a trap composed of 5 places in 115 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:26:00] [INFO ] Deduced a trap composed of 25 places in 86 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 63195ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63204ms
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 925/926 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 106601 ms. Remains : 74/75 places, 925/926 transitions.
Stuttering acceptance computed with spot in 180 ms :[(NOT p2), (NOT p2), (AND p0 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), p0, p1]
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-14
Product exploration explored 100000 steps with 637 reset in 573 ms.
Product exploration explored 100000 steps with 631 reset in 574 ms.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 182 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 6 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 186 ms :[(NOT p2), (NOT p2), (AND p0 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), p0, p1]
RANDOM walk for 40000 steps (228 resets) in 587 ms. (68 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (107 resets) in 1272 ms. (31 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (100 resets) in 580 ms. (68 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (100 resets) in 929 ms. (43 steps per ms) remains 3/3 properties
[2024-05-21 07:26:43] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:26:43] [INFO ] Invariant cache hit.
[2024-05-21 07:26:43] [INFO ] State equation strengthened by 40 read => feed constraints.
Problem apf1 is UNSAT
Problem apf2 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 1 unsolved
Problem apf4 is UNSAT
After SMT solving in domain Real declared 31/239 variables, and 4 constraints, problems are : Problem set: 3 solved, 0 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 4/6 constraints, State Equation: 0/74 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 222ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p1) (NOT p0))), (G (OR p2 (NOT p1) (NOT p0))), (G (OR p2 (NOT p1) p0))]
False Knowledge obtained : [(F p0), (F p1), (F p2)]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 11 factoid took 209 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 55 ms :[(NOT p2), p0]
Stuttering acceptance computed with spot in 52 ms :[(NOT p2), p0]
[2024-05-21 07:26:43] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:26:43] [INFO ] Invariant cache hit.
[2024-05-21 07:26:44] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 07:26:44] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-21 07:26:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:26:44] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2024-05-21 07:26:44] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2024-05-21 07:26:44] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:26:44] [INFO ] [Nat]Added 40 Read/Feed constraints in 16 ms returned sat
[2024-05-21 07:26:44] [INFO ] Deduced a trap composed of 5 places in 116 ms of which 1 ms to minimize.
[2024-05-21 07:26:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 179 ms
[2024-05-21 07:26:44] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 28 ms.
[2024-05-21 07:26:44] [INFO ] Added : 26 causal constraints over 6 iterations in 122 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 25 out of 74 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 925/925 transitions.
Applied a total of 0 rules in 44 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:26:44] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:26:44] [INFO ] Invariant cache hit.
[2024-05-21 07:26:44] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:26:49] [INFO ] Deduced a trap composed of 5 places in 107 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:27:06] [INFO ] Deduced a trap composed of 25 places in 84 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43359ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43368ms
[2024-05-21 07:27:28] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:27:28] [INFO ] Invariant cache hit.
[2024-05-21 07:27:28] [INFO ] Implicit Places using invariants in 101 ms returned []
[2024-05-21 07:27:28] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:27:28] [INFO ] Invariant cache hit.
[2024-05-21 07:27:28] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:27:28] [INFO ] Implicit Places using invariants and state equation in 477 ms returned []
Implicit Place search using SMT with State Equation took 605 ms to find 0 implicit places.
[2024-05-21 07:27:28] [INFO ] Redundant transitions in 7 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:27:28] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:27:28] [INFO ] Invariant cache hit.
[2024-05-21 07:27:28] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:27:33] [INFO ] Deduced a trap composed of 5 places in 110 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:27:51] [INFO ] Deduced a trap composed of 25 places in 79 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62990ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62999ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 107042 ms. Remains : 74/74 places, 925/925 transitions.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 124 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 126 ms :[(NOT p2), p0]
RANDOM walk for 341 steps (0 resets) in 7 ms. (42 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p2), (F p0)]
Knowledge based reduction with 5 factoid took 230 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 104 ms :[(NOT p2), p0]
Stuttering acceptance computed with spot in 58 ms :[(NOT p2), p0]
[2024-05-21 07:28:32] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:28:32] [INFO ] Invariant cache hit.
[2024-05-21 07:28:32] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 07:28:32] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-21 07:28:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:28:32] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 07:28:32] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-21 07:28:32] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:28:32] [INFO ] [Nat]Added 40 Read/Feed constraints in 43 ms returned sat
[2024-05-21 07:28:32] [INFO ] Deduced a trap composed of 5 places in 229 ms of which 1 ms to minimize.
[2024-05-21 07:28:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 330 ms
[2024-05-21 07:28:33] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 22 ms.
[2024-05-21 07:28:33] [INFO ] Added : 26 causal constraints over 6 iterations in 103 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 53 ms :[(NOT p2), p0]
Product exploration explored 100000 steps with 599 reset in 502 ms.
Product exploration explored 100000 steps with 600 reset in 502 ms.
Support contains 25 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 925/925 transitions.
Applied a total of 0 rules in 122 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:28:34] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:28:34] [INFO ] Invariant cache hit.
[2024-05-21 07:28:34] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:28:39] [INFO ] Deduced a trap composed of 5 places in 106 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43234ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43246ms
[2024-05-21 07:29:17] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:29:17] [INFO ] Invariant cache hit.
[2024-05-21 07:29:17] [INFO ] Implicit Places using invariants in 104 ms returned []
[2024-05-21 07:29:17] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:29:17] [INFO ] Invariant cache hit.
[2024-05-21 07:29:17] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:29:17] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 350 ms to find 0 implicit places.
[2024-05-21 07:29:17] [INFO ] Redundant transitions in 7 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:29:17] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:29:17] [INFO ] Invariant cache hit.
[2024-05-21 07:29:17] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:29:22] [INFO ] Deduced a trap composed of 5 places in 111 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:29:40] [INFO ] Deduced a trap composed of 25 places in 86 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62897ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62906ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 106644 ms. Remains : 74/74 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-14 finished in 327126 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' '!(F((p0||X(!p1))))'
Found a Shortening insensitive property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-08
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Support contains 45 out of 75 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
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 72 transition count 924
Applied a total of 5 rules in 21 ms. Remains 72 /75 variables (removed 3) and now considering 924/926 (removed 2) transitions.
[2024-05-21 07:30:21] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 72 cols
[2024-05-21 07:30:21] [INFO ] Computed 5 invariants in 0 ms
[2024-05-21 07:30:21] [INFO ] Implicit Places using invariants in 187 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 202 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 71/75 places, 924/926 transitions.
Applied a total of 0 rules in 7 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 231 ms. Remains : 71/75 places, 924/926 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-08
Product exploration explored 100000 steps with 24956 reset in 1113 ms.
Product exploration explored 100000 steps with 24922 reset in 1043 ms.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X p1), (X (X p1))]
False Knowledge obtained : [(X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 275 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
RANDOM walk for 40000 steps (313 resets) in 2302 ms. (17 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40002 steps (172 resets) in 1945 ms. (20 steps per ms) remains 1/1 properties
[2024-05-21 07:30:25] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 71 cols
[2024-05-21 07:30:25] [INFO ] Computed 4 invariants in 1 ms
[2024-05-21 07:30:25] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf5 is UNSAT
After SMT solving in domain Real declared 69/235 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/71 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 262ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1), (X p1), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (F (NOT p1)), (F p0), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) p1))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 4 factoid took 365 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 45 ms :[(NOT p0), (NOT p0)]
[2024-05-21 07:30:26] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:30:26] [INFO ] Invariant cache hit.
[2024-05-21 07:30:26] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:30:26] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-21 07:30:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:30:27] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:30:27] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2024-05-21 07:30:27] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:30:27] [INFO ] [Nat]Added 40 Read/Feed constraints in 14 ms returned sat
[2024-05-21 07:30:27] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 103 transitions) in 27 ms.
[2024-05-21 07:30:27] [INFO ] Added : 37 causal constraints over 8 iterations in 143 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 22 out of 71 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 924/924 transitions.
Applied a total of 0 rules in 84 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
[2024-05-21 07:30:27] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:30:27] [INFO ] Invariant cache hit.
[2024-05-21 07:30:27] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-21 07:30:27] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:30:27] [INFO ] Invariant cache hit.
[2024-05-21 07:30:27] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:30:27] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
[2024-05-21 07:30:27] [INFO ] Redundant transitions in 8 ms returned []
Running 921 sub problems to find dead transitions.
[2024-05-21 07:30:27] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:30:27] [INFO ] Invariant cache hit.
[2024-05-21 07:30:27] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:30:32] [INFO ] Deduced a trap composed of 5 places in 113 ms of which 12 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/76 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/116 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:30:47] [INFO ] Deduced a trap composed of 25 places in 76 ms of which 1 ms to minimize.
[2024-05-21 07:30:47] [INFO ] Deduced a trap composed of 24 places in 85 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 7 (OVERLAPS) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 118 constraints, problems are : Problem set: 0 solved, 921 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 921 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/78 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 921/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/235 variables, and 1039 constraints, problems are : Problem set: 0 solved, 921 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
After SMT, in 63132ms problems are : Problem set: 0 solved, 921 unsolved
Search for dead transitions found 0 dead transitions in 63141ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63551 ms. Remains : 71/71 places, 924/924 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 : [(NOT p0)]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 259 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 81 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 13 steps (0 resets) in 7 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 203 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 90 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
[2024-05-21 07:31:31] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:31:31] [INFO ] Invariant cache hit.
[2024-05-21 07:31:32] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-05-21 07:31:32] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-21 07:31:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:31:32] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:31:32] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2024-05-21 07:31:32] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:31:32] [INFO ] [Nat]Added 40 Read/Feed constraints in 19 ms returned sat
[2024-05-21 07:31:32] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 103 transitions) in 28 ms.
[2024-05-21 07:31:33] [INFO ] Added : 37 causal constraints over 8 iterations in 174 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 24944 reset in 412 ms.
Product exploration explored 100000 steps with 24891 reset in 315 ms.
Support contains 22 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 924/924 transitions.
Applied a total of 0 rules in 49 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
[2024-05-21 07:31:33] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:31:33] [INFO ] Invariant cache hit.
[2024-05-21 07:31:34] [INFO ] Implicit Places using invariants in 151 ms returned []
[2024-05-21 07:31:34] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:31:34] [INFO ] Invariant cache hit.
[2024-05-21 07:31:34] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:31:34] [INFO ] Implicit Places using invariants and state equation in 308 ms returned []
Implicit Place search using SMT with State Equation took 465 ms to find 0 implicit places.
[2024-05-21 07:31:34] [INFO ] Redundant transitions in 10 ms returned []
Running 921 sub problems to find dead transitions.
[2024-05-21 07:31:34] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
[2024-05-21 07:31:34] [INFO ] Invariant cache hit.
[2024-05-21 07:31:34] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:31:39] [INFO ] Deduced a trap composed of 5 places in 119 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/76 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/116 constraints. Problems are: Problem set: 0 solved, 921 unsolved
[2024-05-21 07:31:52] [INFO ] Deduced a trap composed of 25 places in 125 ms of which 1 ms to minimize.
[2024-05-21 07:31:52] [INFO ] Deduced a trap composed of 24 places in 97 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 7 (OVERLAPS) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 118 constraints, problems are : Problem set: 0 solved, 921 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 921 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 3 (OVERLAPS) 164/235 variables, 71/78 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 40/118 constraints. Problems are: Problem set: 0 solved, 921 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 921/1039 constraints. Problems are: Problem set: 0 solved, 921 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/235 variables, and 1039 constraints, problems are : Problem set: 0 solved, 921 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 71/71 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 921/921 constraints, Known Traps: 3/3 constraints]
After SMT, in 63167ms problems are : Problem set: 0 solved, 921 unsolved
Search for dead transitions found 0 dead transitions in 63178ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63711 ms. Remains : 71/71 places, 924/924 transitions.
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-08 finished in 136535 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((X(G(!p0))&&F(!p1))) U X(G(p2)))))'
Found a Lengthening insensitive property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-14
Stuttering acceptance computed with spot in 261 ms :[(NOT p2), (NOT p2), (AND p0 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), p0, p1]
Support contains 27 out of 75 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 75/75 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 74 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 74 transition count 925
Applied a total of 2 rules in 11 ms. Remains 74 /75 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:32:38] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 74 cols
[2024-05-21 07:32:38] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 07:32:38] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:32:43] [INFO ] Deduced a trap composed of 5 places in 125 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 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 239/239 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43362ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43371ms
[2024-05-21 07:33:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:33:21] [INFO ] Invariant cache hit.
[2024-05-21 07:33:21] [INFO ] Implicit Places using invariants in 141 ms returned []
[2024-05-21 07:33:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:33:21] [INFO ] Invariant cache hit.
[2024-05-21 07:33:21] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:33:21] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 434 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:33:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:33:21] [INFO ] Invariant cache hit.
[2024-05-21 07:33:21] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:33:26] [INFO ] Deduced a trap composed of 5 places in 138 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:33:43] [INFO ] Deduced a trap composed of 25 places in 126 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62932ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62943ms
Starting structural reductions in LI_LTL mode, iteration 1 : 74/75 places, 925/926 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 106764 ms. Remains : 74/75 places, 925/926 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V20P10N20-LTLFireability-14
Product exploration explored 100000 steps with 633 reset in 586 ms.
Product exploration explored 100000 steps with 640 reset in 591 ms.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 109 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 6 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 245 ms :[(NOT p2), (NOT p2), (AND p0 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), p0, p1]
RANDOM walk for 40000 steps (228 resets) in 430 ms. (92 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (104 resets) in 460 ms. (86 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (100 resets) in 756 ms. (52 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (100 resets) in 525 ms. (76 steps per ms) remains 3/3 properties
[2024-05-21 07:34:27] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:34:27] [INFO ] Invariant cache hit.
[2024-05-21 07:34:27] [INFO ] State equation strengthened by 40 read => feed constraints.
Problem apf1 is UNSAT
Problem apf2 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 1 unsolved
Problem apf4 is UNSAT
After SMT solving in domain Real declared 31/239 variables, and 4 constraints, problems are : Problem set: 3 solved, 0 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 4/6 constraints, State Equation: 0/74 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p1) (NOT p0))), (G (OR p2 (NOT p1) (NOT p0))), (G (OR p2 (NOT p1) p0))]
False Knowledge obtained : [(F p0), (F p1), (F p2)]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 11 factoid took 353 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 94 ms :[(NOT p2), p0]
Stuttering acceptance computed with spot in 84 ms :[(NOT p2), p0]
[2024-05-21 07:34:27] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:34:27] [INFO ] Invariant cache hit.
[2024-05-21 07:34:27] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2024-05-21 07:34:28] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-21 07:34:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:34:28] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 07:34:28] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2024-05-21 07:34:28] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:34:28] [INFO ] [Nat]Added 40 Read/Feed constraints in 23 ms returned sat
[2024-05-21 07:34:28] [INFO ] Deduced a trap composed of 5 places in 152 ms of which 1 ms to minimize.
[2024-05-21 07:34:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 238 ms
[2024-05-21 07:34:28] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 34 ms.
[2024-05-21 07:34:28] [INFO ] Added : 26 causal constraints over 6 iterations in 181 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 25 out of 74 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 925/925 transitions.
Applied a total of 0 rules in 51 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:34:28] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:34:28] [INFO ] Invariant cache hit.
[2024-05-21 07:34:28] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:34:33] [INFO ] Deduced a trap composed of 5 places in 134 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43276ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43286ms
[2024-05-21 07:35:12] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:35:12] [INFO ] Invariant cache hit.
[2024-05-21 07:35:12] [INFO ] Implicit Places using invariants in 119 ms returned []
[2024-05-21 07:35:12] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:35:12] [INFO ] Invariant cache hit.
[2024-05-21 07:35:12] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:35:12] [INFO ] Implicit Places using invariants and state equation in 279 ms returned []
Implicit Place search using SMT with State Equation took 400 ms to find 0 implicit places.
[2024-05-21 07:35:12] [INFO ] Redundant transitions in 10 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:35:12] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:35:12] [INFO ] Invariant cache hit.
[2024-05-21 07:35:12] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:35:17] [INFO ] Deduced a trap composed of 5 places in 105 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:35:35] [INFO ] Deduced a trap composed of 25 places in 135 ms of which 2 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 63111ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63122ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 106885 ms. Remains : 74/74 places, 925/925 transitions.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 83 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[(NOT p2), p0]
RANDOM walk for 326 steps (0 resets) in 8 ms. (36 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p2), (F p0)]
Knowledge based reduction with 5 factoid took 148 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p2), p0]
Stuttering acceptance computed with spot in 85 ms :[(NOT p2), p0]
[2024-05-21 07:36:16] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:36:16] [INFO ] Invariant cache hit.
[2024-05-21 07:36:16] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 07:36:16] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-21 07:36:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:36:16] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 07:36:16] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2024-05-21 07:36:16] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:36:16] [INFO ] [Nat]Added 40 Read/Feed constraints in 24 ms returned sat
[2024-05-21 07:36:16] [INFO ] Deduced a trap composed of 5 places in 166 ms of which 1 ms to minimize.
[2024-05-21 07:36:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 313 ms
[2024-05-21 07:36:16] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 38 ms.
[2024-05-21 07:36:17] [INFO ] Added : 26 causal constraints over 6 iterations in 171 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 71 ms :[(NOT p2), p0]
Product exploration explored 100000 steps with 599 reset in 706 ms.
Product exploration explored 100000 steps with 600 reset in 516 ms.
Support contains 25 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 925/925 transitions.
Applied a total of 0 rules in 41 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:36:18] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:36:18] [INFO ] Invariant cache hit.
[2024-05-21 07:36:18] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:36:23] [INFO ] Deduced a trap composed of 5 places in 104 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:36:40] [INFO ] Deduced a trap composed of 25 places in 99 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43457ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43465ms
[2024-05-21 07:37:01] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:37:01] [INFO ] Invariant cache hit.
[2024-05-21 07:37:02] [INFO ] Implicit Places using invariants in 138 ms returned []
[2024-05-21 07:37:02] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:37:02] [INFO ] Invariant cache hit.
[2024-05-21 07:37:02] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:37:02] [INFO ] Implicit Places using invariants and state equation in 302 ms returned []
Implicit Place search using SMT with State Equation took 440 ms to find 0 implicit places.
[2024-05-21 07:37:02] [INFO ] Redundant transitions in 8 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:37:02] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:37:02] [INFO ] Invariant cache hit.
[2024-05-21 07:37:02] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:37:07] [INFO ] Deduced a trap composed of 5 places in 125 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:37:25] [INFO ] Deduced a trap composed of 25 places in 131 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/239 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 122 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/82 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 63438ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63451ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 107421 ms. Remains : 74/74 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-COL-V20P10N20-LTLFireability-14 finished in 328231 ms.
[2024-05-21 07:38:05] [INFO ] Flatten gal took : 50 ms
[2024-05-21 07:38:05] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 7 ms.
[2024-05-21 07:38:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 75 places, 926 transitions and 6980 arcs took 26 ms.
Total runtime 1679551 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-COL-V20P10N20

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/421/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 75
TRANSITIONS: 926
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.029s, Sys 0.000s]


SAVING FILE /home/mcc/execution/421/model (.net / .def) ...
EXPORT TIME: [User 0.003s, 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: 2211
MODEL NAME: /home/mcc/execution/421/model
75 places, 926 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-V20P10N20-LTLFireability-03 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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V20P10N20"
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-V20P10N20, 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-171620397400028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P10N20.tgz
mv BridgeAndVehicles-COL-V20P10N20 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 ;