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-171620397400052.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is BridgeAndVehicles-COL-V20P20N20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397400052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 9.7K Apr 13 00:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 13 00:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Apr 13 00:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 13 00:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K 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 8.8K Apr 13 00:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Apr 13 00:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Apr 13 00:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Apr 13 00:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K 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-V20P20N20-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716275652488

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-V20P20N20
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 07:14:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 07:14:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 07:14:13] [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 07:14:14] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-21 07:14:14] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 500 ms
[2024-05-21 07:14:14] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 78 PT places and 37258.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
[2024-05-21 07:14:14] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 3 ms.
[2024-05-21 07:14:14] [INFO ] Skeletonized 10 HLPN properties in 2 ms. Removed 6 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-05 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.3 ms
Remains 5 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
RANDOM walk for 223 steps (0 resets) in 11 ms. (18 steps per ms) remains 0/5 properties
[2024-05-21 07:14:14] [INFO ] Flatten gal took : 11 ms
[2024-05-21 07:14:14] [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 07:14:14] [INFO ] Unfolded HLPN to a Petri net with 78 places and 968 transitions 7350 arcs in 68 ms.
[2024-05-21 07:14:14] [INFO ] Unfolded 15 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 76 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 46 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 07:14:15] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
// Phase 1: matrix 170 rows 76 cols
[2024-05-21 07:14:15] [INFO ] Computed 5 invariants in 11 ms
[2024-05-21 07:14:15] [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 07:14:21] [INFO ] Deduced a trap composed of 5 places in 224 ms of which 19 ms to minimize.
[2024-05-21 07:14:23] [INFO ] Deduced a trap composed of 25 places in 101 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 07:14:25] [INFO ] Deduced a trap composed of 24 places in 102 ms of which 2 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
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/126 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 20074 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 20034 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 43633ms problems are : Problem set: 42 solved, 923 unsolved
Search for dead transitions found 42 dead transitions in 43689ms
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 07:14:58] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2024-05-21 07:14:58] [INFO ] Computed 7 invariants in 4 ms
[2024-05-21 07:14:58] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-21 07:14:58] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:14:58] [INFO ] Invariant cache hit.
[2024-05-21 07:14:58] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:14:58] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 76/78 places, 926/968 transitions.
Applied a total of 0 rules in 7 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43975 ms. Remains : 76/78 places, 926/968 transitions.
Support contains 76 out of 76 places after structural reductions.
[2024-05-21 07:14:59] [INFO ] Flatten gal took : 131 ms
[2024-05-21 07:14:59] [INFO ] Flatten gal took : 152 ms
[2024-05-21 07:15:00] [INFO ] Input system was already deterministic with 926 transitions.
Support contains 75 out of 76 places (down from 76) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 16 to 15
RANDOM walk for 40002 steps (228 resets) in 3294 ms. (12 steps per ms) remains 1/15 properties
BEST_FIRST walk for 40003 steps (99 resets) in 1395 ms. (28 steps per ms) remains 1/1 properties
[2024-05-21 07:15:01] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:15:01] [INFO ] Invariant cache hit.
[2024-05-21 07:15:01] [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 AtomicPropp12 is UNSAT
After SMT solving in domain Real declared 70/242 variables, and 5 constraints, problems are : Problem set: 1 solved, 0 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 5/6 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/76 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 337ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 49 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)||(p0&&F(p1)))&&(p1||F((p1 U (p2||G(p1))))))))'
Support contains 5 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 14 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:15:02] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:15:02] [INFO ] Invariant cache hit.
[2024-05-21 07:15:02] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:15:06] [INFO ] Deduced a trap composed of 5 places in 97 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:15:19] [INFO ] Deduced a trap composed of 25 places in 89 ms of which 0 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 125 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 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) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/85 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/125 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1048 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1048 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 42611ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 42621ms
[2024-05-21 07:15:44] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:15:44] [INFO ] Invariant cache hit.
[2024-05-21 07:15:44] [INFO ] Implicit Places using invariants in 190 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 194 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 11 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 42846 ms. Remains : 74/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 319 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 494 ms.
Product exploration explored 100000 steps with 50000 reset in 318 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/74 stabilizing places and 82/926 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 p2), (X p2), (X p0), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 23 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-01 finished in 44098 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(G(p0))&&F(p1))))'
Support contains 23 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 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 73 transition count 924
Applied a total of 5 rules in 101 ms. Remains 73 /76 variables (removed 3) and now considering 924/926 (removed 2) transitions.
[2024-05-21 07:15:46] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 73 cols
[2024-05-21 07:15:46] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 07:15:46] [INFO ] Implicit Places using invariants in 109 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 111 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 71/76 places, 924/926 transitions.
Applied a total of 0 rules in 44 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 256 ms. Remains : 71/76 places, 924/926 transitions.
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-02
Stuttering criterion allowed to conclude after 128 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-02 finished in 409 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||F(p1)))'
Support contains 44 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 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 75 transition count 925
Applied a total of 2 rules in 59 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:15:46] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 07:15:46] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 07:15:46] [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, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:15:50] [INFO ] Deduced a trap composed of 5 places in 106 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 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) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1045 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 42198ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42207ms
[2024-05-21 07:16:28] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:16:28] [INFO ] Invariant cache hit.
[2024-05-21 07:16:28] [INFO ] Implicit Places using invariants in 128 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 131 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 53 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 42452 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 60 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-03
Stuttering criterion allowed to conclude after 146 steps with 0 reset in 4 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-03 finished in 42532 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(!p0))'
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 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 75 transition count 925
Applied a total of 2 rules in 81 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:16:29] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 07:16:29] [INFO ] Computed 7 invariants in 11 ms
[2024-05-21 07:16:29] [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, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:16:33] [INFO ] Deduced a trap composed of 5 places in 135 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:16:47] [INFO ] Deduced a trap composed of 25 places in 97 ms of which 1 ms to minimize.
[2024-05-21 07:16:47] [INFO ] Deduced a trap composed of 24 places in 121 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 2/125 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 125 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/85 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/125 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1047 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1047 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
After SMT, in 42507ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42519ms
[2024-05-21 07:17:11] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:17:11] [INFO ] Invariant cache hit.
[2024-05-21 07:17:11] [INFO ] Implicit Places using invariants in 164 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 166 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 35 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 42804 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 32 ms :[p0]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-06
Product exploration explored 100000 steps with 4915 reset in 349 ms.
Product exploration explored 100000 steps with 4853 reset in 295 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/73 stabilizing places and 81/925 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 81 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[p0]
RANDOM walk for 105 steps (0 resets) in 5 ms. (17 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 110 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 26 ms :[p0]
Stuttering acceptance computed with spot in 32 ms :[p0]
[2024-05-21 07:17:12] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 73 cols
[2024-05-21 07:17:12] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:17:13] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:17:13] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-21 07:17:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:17:13] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:17:13] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2024-05-21 07:17:13] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:17:13] [INFO ] [Nat]Added 40 Read/Feed constraints in 76 ms returned sat
[2024-05-21 07:17:13] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 82 ms.
[2024-05-21 07:17:13] [INFO ] Added : 19 causal constraints over 5 iterations in 235 ms. Result :sat
Could not prove EG p0
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 51 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:17:13] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:17:13] [INFO ] Invariant cache hit.
[2024-05-21 07:17:13] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:17:18] [INFO ] Deduced a trap composed of 5 places in 95 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:17:30] [INFO ] Deduced a trap composed of 25 places in 107 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42576ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42589ms
[2024-05-21 07:17:56] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:17:56] [INFO ] Invariant cache hit.
[2024-05-21 07:17:56] [INFO ] Implicit Places using invariants in 148 ms returned []
[2024-05-21 07:17:56] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:17:56] [INFO ] Invariant cache hit.
[2024-05-21 07:17:56] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:17:56] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 441 ms to find 0 implicit places.
[2024-05-21 07:17:56] [INFO ] Redundant transitions in 54 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:17:56] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:17:56] [INFO ] Invariant cache hit.
[2024-05-21 07:17:56] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:18:01] [INFO ] Deduced a trap composed of 5 places in 89 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:18:13] [INFO ] Deduced a trap composed of 25 places in 75 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (OVERLAPS) 0/238 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 29518 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 61997ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62009ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 105154 ms. Remains : 73/73 places, 925/925 transitions.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/73 stabilizing places and 81/925 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 96 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[p0]
RANDOM walk for 186 steps (0 resets) in 6 ms. (26 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 100 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[p0]
Stuttering acceptance computed with spot in 39 ms :[p0]
[2024-05-21 07:18:59] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:18:59] [INFO ] Invariant cache hit.
[2024-05-21 07:18:59] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:18:59] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-05-21 07:18:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:18:59] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:18:59] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2024-05-21 07:18:59] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:18:59] [INFO ] [Nat]Added 40 Read/Feed constraints in 76 ms returned sat
[2024-05-21 07:19:00] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 72 ms.
[2024-05-21 07:19:00] [INFO ] Added : 19 causal constraints over 5 iterations in 207 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 33 ms :[p0]
Product exploration explored 100000 steps with 4836 reset in 406 ms.
Product exploration explored 100000 steps with 4925 reset in 409 ms.
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 38 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:19:01] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:19:01] [INFO ] Invariant cache hit.
[2024-05-21 07:19:01] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:19:05] [INFO ] Deduced a trap composed of 5 places in 107 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:19:18] [INFO ] Deduced a trap composed of 25 places in 115 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 1/120 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 Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42736ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42746ms
[2024-05-21 07:19:43] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:19:43] [INFO ] Invariant cache hit.
[2024-05-21 07:19:43] [INFO ] Implicit Places using invariants in 131 ms returned []
[2024-05-21 07:19:43] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:19:43] [INFO ] Invariant cache hit.
[2024-05-21 07:19:44] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:19:44] [INFO ] Implicit Places using invariants and state equation in 287 ms returned []
Implicit Place search using SMT with State Equation took 419 ms to find 0 implicit places.
[2024-05-21 07:19:44] [INFO ] Redundant transitions in 9 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:19:44] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:19:44] [INFO ] Invariant cache hit.
[2024-05-21 07:19:44] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:19:48] [INFO ] Deduced a trap composed of 5 places in 112 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:20:00] [INFO ] Deduced a trap composed of 25 places in 81 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (OVERLAPS) 0/238 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 28383 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 61409ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 61419ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 104640 ms. Remains : 73/73 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-06 finished in 256910 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 3 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 7 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:20:46] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 07:20:46] [INFO ] Computed 7 invariants in 5 ms
[2024-05-21 07:20:46] [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, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:20:50] [INFO ] Deduced a trap composed of 5 places in 100 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:21:02] [INFO ] Deduced a trap composed of 25 places in 122 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 124 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 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) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/84 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1046 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1046 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42745ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42756ms
[2024-05-21 07:21:28] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:21:28] [INFO ] Invariant cache hit.
[2024-05-21 07:21:28] [INFO ] Implicit Places using invariants in 160 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 164 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 4 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 42936 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 123 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-07
Product exploration explored 100000 steps with 23374 reset in 412 ms.
Product exploration explored 100000 steps with 23297 reset in 461 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]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 86 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 184 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 318 steps (0 resets) in 7 ms. (39 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 107 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 170 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 5 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:21:30] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 73 cols
[2024-05-21 07:21:30] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:21:30] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:21:35] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 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 Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 42839ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42853ms
[2024-05-21 07:22:13] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:22:13] [INFO ] Invariant cache hit.
[2024-05-21 07:22:13] [INFO ] Implicit Places using invariants in 108 ms returned []
[2024-05-21 07:22:13] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:22:13] [INFO ] Invariant cache hit.
[2024-05-21 07:22:13] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:22:13] [INFO ] Implicit Places using invariants and state equation in 274 ms returned []
Implicit Place search using SMT with State Equation took 383 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:22:13] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:22:13] [INFO ] Invariant cache hit.
[2024-05-21 07:22:13] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:22:18] [INFO ] Deduced a trap composed of 5 places in 124 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 62836ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62848ms
Finished structural reductions in LTL mode , in 1 iterations and 106098 ms. Remains : 73/73 places, 925/925 transitions.
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]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 94 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 417 steps (0 resets) in 9 ms. (41 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 99 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 197 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 204 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 23358 reset in 441 ms.
Product exploration explored 100000 steps with 23354 reset in 421 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 160 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 92 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:23:19] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:23:19] [INFO ] Invariant cache hit.
[2024-05-21 07:23:19] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:23:23] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 42993ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43005ms
[2024-05-21 07:24:02] [INFO ] Redundant transitions in 7 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:24:02] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:24:02] [INFO ] Invariant cache hit.
[2024-05-21 07:24:02] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:24:07] [INFO ] Deduced a trap composed of 5 places in 132 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 63613ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63626ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 106742 ms. Remains : 73/73 places, 925/925 transitions.
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 5 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:25:05] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:25:05] [INFO ] Invariant cache hit.
[2024-05-21 07:25:05] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:25:11] [INFO ] Deduced a trap composed of 5 places in 134 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43585ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43599ms
[2024-05-21 07:25:49] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:25:49] [INFO ] Invariant cache hit.
[2024-05-21 07:25:49] [INFO ] Implicit Places using invariants in 176 ms returned []
[2024-05-21 07:25:49] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:25:49] [INFO ] Invariant cache hit.
[2024-05-21 07:25:49] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:25:49] [INFO ] Implicit Places using invariants and state equation in 393 ms returned []
Implicit Place search using SMT with State Equation took 572 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:25:49] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:25:49] [INFO ] Invariant cache hit.
[2024-05-21 07:25:49] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:25:55] [INFO ] Deduced a trap composed of 5 places in 139 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30008 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 63446ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63460ms
Finished structural reductions in LTL mode , in 1 iterations and 107644 ms. Remains : 73/73 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-07 finished in 367589 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((!p0 U X(!p1))))'
Support contains 26 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:26:53] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2024-05-21 07:26:53] [INFO ] Computed 7 invariants in 3 ms
[2024-05-21 07:26:53] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:26:58] [INFO ] Deduced a trap composed of 5 places in 134 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 124 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1047 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:27:33] [INFO ] Deduced a trap composed of 25 places in 115 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1048 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 42810ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 42825ms
[2024-05-21 07:27:36] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:27:36] [INFO ] Invariant cache hit.
[2024-05-21 07:27:36] [INFO ] Implicit Places using invariants in 112 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 115 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 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 42951 ms. Remains : 74/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 115 ms :[p1, p1, p1, true]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-08 finished in 43097 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||(F(p0)&&F(p1))))'
Support contains 47 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 81 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:27:36] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:27:36] [INFO ] Invariant cache hit.
[2024-05-21 07:27:36] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:27:42] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:27:54] [INFO ] Deduced a trap composed of 25 places in 118 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 125 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 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) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/85 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/125 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1048 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1048 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 43184ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 43195ms
[2024-05-21 07:28:19] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:28:19] [INFO ] Invariant cache hit.
[2024-05-21 07:28:20] [INFO ] Implicit Places using invariants in 95 ms returned [47]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 98 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 75/76 places, 926/926 transitions.
Applied a total of 0 rules in 48 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43424 ms. Remains : 75/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 181 ms :[(NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-09
Stuttering criterion allowed to conclude after 165 steps with 0 reset in 5 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-09 finished in 43632 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)&&(!p1 U (G(!p1)||(!p1&&(!p0 U (p2||G(!p0)))))))))'
Support contains 27 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 63 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:28:20] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:28:20] [INFO ] Invariant cache hit.
[2024-05-21 07:28:20] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:28:26] [INFO ] Deduced a trap composed of 5 places in 123 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:28:37] [INFO ] Deduced a trap composed of 25 places in 129 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 125 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 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) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/85 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/125 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1048 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:29:04] [INFO ] Deduced a trap composed of 24 places in 139 ms of which 1 ms to minimize.
SMT process timed out in 43722ms, After SMT, problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 43737ms
[2024-05-21 07:29:04] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:29:04] [INFO ] Invariant cache hit.
[2024-05-21 07:29:04] [INFO ] Implicit Places using invariants in 161 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 163 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 75/76 places, 926/926 transitions.
Applied a total of 0 rules in 52 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44020 ms. Remains : 75/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 208 ms :[(OR (NOT p0) p1), (NOT p0), p1, (AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-10
Stuttering criterion allowed to conclude after 165 steps with 0 reset in 3 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-10 finished in 44256 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0)||G(F(!p1))))'
Support contains 4 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 66 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:29:04] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:29:04] [INFO ] Invariant cache hit.
[2024-05-21 07:29:04] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:29:10] [INFO ] Deduced a trap composed of 5 places in 131 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:29:22] [INFO ] Deduced a trap composed of 25 places in 141 ms of which 2 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 125 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 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) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/85 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/125 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1048 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1048 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 43486ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 43502ms
[2024-05-21 07:29:48] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:29:48] [INFO ] Invariant cache hit.
[2024-05-21 07:29:48] [INFO ] Implicit Places using invariants in 148 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 150 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 55 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 43778 ms. Remains : 74/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 133 ms :[(AND p0 p1), p1, p1]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-11
Product exploration explored 100000 steps with 1324 reset in 326 ms.
Product exploration explored 100000 steps with 1293 reset in 497 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/74 stabilizing places and 82/926 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X (AND p0 p1)), (X p1), (X (X p0)), (X (X (AND p0 p1))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 127 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[p1, p1]
RANDOM walk for 316 steps (0 resets) in 7 ms. (39 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X (AND p0 p1)), (X p1), (X (X p0)), (X (X (AND p0 p1))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 8 factoid took 152 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 56 ms :[p1, p1]
Stuttering acceptance computed with spot in 71 ms :[p1, p1]
[2024-05-21 07:29:49] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 74 cols
[2024-05-21 07:29:49] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 07:29:49] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:29:50] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-21 07:29:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:29:50] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:29:50] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2024-05-21 07:29:50] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:29:50] [INFO ] [Nat]Added 40 Read/Feed constraints in 31 ms returned sat
[2024-05-21 07:29:50] [INFO ] Deduced a trap composed of 5 places in 120 ms of which 1 ms to minimize.
[2024-05-21 07:29:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 308 ms
[2024-05-21 07:29:50] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 105 transitions) in 32 ms.
[2024-05-21 07:29:50] [INFO ] Added : 6 causal constraints over 2 iterations in 132 ms. Result :sat
Could not prove EG p1
Support contains 3 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, 926/926 transitions.
Applied a total of 0 rules in 53 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:29:50] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:29:50] [INFO ] Invariant cache hit.
[2024-05-21 07:29:50] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:29:55] [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, 1/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/240 variables, 74/80 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:30:07] [INFO ] Deduced a trap composed of 25 places in 127 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 121 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 74/74 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) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/240 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 923/1044 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1044 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 42546ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 42556ms
[2024-05-21 07:30:33] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:30:33] [INFO ] Invariant cache hit.
[2024-05-21 07:30:33] [INFO ] Implicit Places using invariants in 130 ms returned []
[2024-05-21 07:30:33] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:30:33] [INFO ] Invariant cache hit.
[2024-05-21 07:30:33] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:30:33] [INFO ] Implicit Places using invariants and state equation in 289 ms returned []
Implicit Place search using SMT with State Equation took 422 ms to find 0 implicit places.
[2024-05-21 07:30:33] [INFO ] Redundant transitions in 7 ms returned []
Running 923 sub problems to find dead transitions.
[2024-05-21 07:30:33] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:30:33] [INFO ] Invariant cache hit.
[2024-05-21 07:30:33] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:30:38] [INFO ] Deduced a trap composed of 5 places in 114 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/240 variables, 74/80 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:30:50] [INFO ] Deduced a trap composed of 25 places in 98 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 7 (OVERLAPS) 0/240 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 923 unsolved
No progress, stopping.
After SMT solving in domain Real declared 240/240 variables, and 121 constraints, problems are : Problem set: 0 solved, 923 unsolved in 29147 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 74/74 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) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/240 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 923/1044 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1044 constraints, problems are : Problem set: 0 solved, 923 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 61939ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 61950ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 105000 ms. Remains : 74/74 places, 926/926 transitions.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 106 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 78 ms :[p1, p1]
RANDOM walk for 217 steps (0 resets) in 6 ms. (31 steps per ms) remains 0/1 properties
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 3 factoid took 113 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[p1, p1]
Stuttering acceptance computed with spot in 98 ms :[p1, p1]
[2024-05-21 07:31:36] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:31:36] [INFO ] Invariant cache hit.
[2024-05-21 07:31:36] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:31:36] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-05-21 07:31:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:31:36] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:31:36] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-05-21 07:31:36] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:31:36] [INFO ] [Nat]Added 40 Read/Feed constraints in 66 ms returned sat
[2024-05-21 07:31:36] [INFO ] Deduced a trap composed of 5 places in 173 ms of which 1 ms to minimize.
[2024-05-21 07:31:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 358 ms
[2024-05-21 07:31:37] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 105 transitions) in 55 ms.
[2024-05-21 07:31:37] [INFO ] Added : 6 causal constraints over 3 iterations in 174 ms. Result :sat
Could not prove EG p1
Stuttering acceptance computed with spot in 83 ms :[p1, p1]
Product exploration explored 100000 steps with 1316 reset in 512 ms.
Product exploration explored 100000 steps with 1322 reset in 411 ms.
Support contains 3 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 73 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 73 transition count 925
Applied a total of 2 rules in 54 ms. Remains 73 /74 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:31:38] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 73 cols
[2024-05-21 07:31:38] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:31:38] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:31:43] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43053ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43066ms
[2024-05-21 07:32:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:32:21] [INFO ] Invariant cache hit.
[2024-05-21 07:32:21] [INFO ] Implicit Places using invariants in 175 ms returned []
[2024-05-21 07:32:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:32:21] [INFO ] Invariant cache hit.
[2024-05-21 07:32:21] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:32:21] [INFO ] Implicit Places using invariants and state equation in 260 ms returned []
Implicit Place search using SMT with State Equation took 443 ms to find 0 implicit places.
[2024-05-21 07:32:21] [INFO ] Redundant transitions in 19 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:32:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:32:21] [INFO ] Invariant cache hit.
[2024-05-21 07:32:21] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:32:27] [INFO ] Deduced a trap composed of 5 places in 129 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 63313ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63331ms
Starting structural reductions in SI_LTL mode, iteration 1 : 73/74 places, 925/926 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 106934 ms. Remains : 73/74 places, 925/926 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-11 finished in 260743 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((X(p2)&&p1))||p0)))'
Support contains 23 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 07:33:25] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2024-05-21 07:33:25] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 07:33:25] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:33:30] [INFO ] Deduced a trap composed of 5 places in 132 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 124 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1047 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 07:34:06] [INFO ] Deduced a trap composed of 25 places in 105 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1048 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 2/2 constraints]
After SMT, in 43065ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 43078ms
[2024-05-21 07:34:08] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 07:34:08] [INFO ] Invariant cache hit.
[2024-05-21 07:34:08] [INFO ] Implicit Places using invariants in 130 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 132 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 2 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 43220 ms. Remains : 74/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 126 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-13
Entered a terminal (fully accepting) state of product in 65 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-13 finished in 43374 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(p1))))'
Support contains 45 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 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 73 transition count 924
Applied a total of 5 rules in 48 ms. Remains 73 /76 variables (removed 3) and now considering 924/926 (removed 2) transitions.
[2024-05-21 07:34:08] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 73 cols
[2024-05-21 07:34:08] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 07:34:08] [INFO ] Implicit Places using invariants in 100 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 101 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 71/76 places, 924/926 transitions.
Applied a total of 0 rules in 41 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 190 ms. Remains : 71/76 places, 924/926 transitions.
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-14
Stuttering criterion allowed to conclude after 5162 steps with 61 reset in 32 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-14 finished in 379 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 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 62 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:34:09] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 07:34:09] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 07:34:09] [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, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:34:14] [INFO ] Deduced a trap composed of 5 places in 120 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 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) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1045 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43062ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43075ms
[2024-05-21 07:34:52] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:34:52] [INFO ] Invariant cache hit.
[2024-05-21 07:34:52] [INFO ] Implicit Places using invariants in 193 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 195 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 31 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 43370 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 46 ms :[p0]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-15
Stuttering criterion allowed to conclude after 145 steps with 0 reset in 2 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-15 finished in 43441 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(!p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Found a Shortening insensitive property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-07
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 76 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 22 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:34:53] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 07:34:53] [INFO ] Computed 7 invariants in 3 ms
[2024-05-21 07:34:53] [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, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:34:58] [INFO ] Deduced a trap composed of 5 places in 138 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:35:11] [INFO ] Deduced a trap composed of 25 places in 92 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 124 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 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) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/84 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1046 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1046 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43034ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43048ms
[2024-05-21 07:35:36] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:35:36] [INFO ] Invariant cache hit.
[2024-05-21 07:35:36] [INFO ] Implicit Places using invariants in 195 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 197 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 8 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 43280 ms. Remains : 73/76 places, 925/926 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-07
Product exploration explored 100000 steps with 23292 reset in 418 ms.
Product exploration explored 100000 steps with 23427 reset in 396 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]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 81 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 221 steps (0 resets) in 6 ms. (31 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 95 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 133 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 6 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:35:37] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 73 cols
[2024-05-21 07:35:37] [INFO ] Computed 5 invariants in 2 ms
[2024-05-21 07:35:37] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:35:43] [INFO ] Deduced a trap composed of 5 places in 118 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43410ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43421ms
[2024-05-21 07:36:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:36:21] [INFO ] Invariant cache hit.
[2024-05-21 07:36:21] [INFO ] Implicit Places using invariants in 190 ms returned []
[2024-05-21 07:36:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:36:21] [INFO ] Invariant cache hit.
[2024-05-21 07:36:21] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:36:21] [INFO ] Implicit Places using invariants and state equation in 350 ms returned []
Implicit Place search using SMT with State Equation took 543 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:36:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:36:21] [INFO ] Invariant cache hit.
[2024-05-21 07:36:21] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:36:26] [INFO ] Deduced a trap composed of 5 places in 109 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 62520ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62534ms
Finished structural reductions in LTL mode , in 1 iterations and 106511 ms. Remains : 73/73 places, 925/925 transitions.
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]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 75 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 173 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 415 steps (0 resets) in 6 ms. (59 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 87 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 163 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 155 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 23406 reset in 440 ms.
Product exploration explored 100000 steps with 23385 reset in 424 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 167 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 61 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:37:26] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:37:26] [INFO ] Invariant cache hit.
[2024-05-21 07:37:26] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:37:31] [INFO ] Deduced a trap composed of 5 places in 127 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43359ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43370ms
[2024-05-21 07:38:09] [INFO ] Redundant transitions in 14 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 07:38:09] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:38:09] [INFO ] Invariant cache hit.
[2024-05-21 07:38:09] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:38:14] [INFO ] Deduced a trap composed of 5 places in 109 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 63389ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63404ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 106866 ms. Remains : 73/73 places, 925/925 transitions.
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 4 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:39:13] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:39:13] [INFO ] Invariant cache hit.
[2024-05-21 07:39:13] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:39:18] [INFO ] Deduced a trap composed of 5 places in 111 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43152ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43166ms
[2024-05-21 07:39:56] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:39:56] [INFO ] Invariant cache hit.
[2024-05-21 07:39:56] [INFO ] Implicit Places using invariants in 161 ms returned []
[2024-05-21 07:39:56] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:39:56] [INFO ] Invariant cache hit.
[2024-05-21 07:39:56] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 07:39:56] [INFO ] Implicit Places using invariants and state equation in 304 ms returned []
Implicit Place search using SMT with State Equation took 467 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 07:39:56] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 07:39:56] [INFO ] Invariant cache hit.
[2024-05-21 07:39:56] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 07:40:01] [INFO ] Deduced a trap composed of 5 places in 156 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 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")
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 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) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 62900ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62914ms
Finished structural reductions in LTL mode , in 1 iterations and 106558 ms. Remains : 73/73 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-07 finished in 367131 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0)||G(F(!p1))))'
[2024-05-21 07:40:59] [INFO ] Flatten gal took : 55 ms
[2024-05-21 07:40:59] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-05-21 07:41:00] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 76 places, 926 transitions and 7020 arcs took 13 ms.
Total runtime 1606305 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-COL-V20P20N20

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 76
TRANSITIONS: 926
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.049s, Sys 0.005s]


SAVING FILE /home/mcc/execution/414/model (.net / .def) ...
EXPORT TIME: [User 0.005s, 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: 1849
MODEL NAME: /home/mcc/execution/414/model
76 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-V20P20N20-LTLFireability-07 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-06 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716277495542

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V20P20N20"
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-V20P20N20, 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-171620397400052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N20.tgz
mv BridgeAndVehicles-COL-V20P20N20 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 ;