Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r311-tall-171662336800539.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is Referendum-COL-0050, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r311-tall-171662336800539
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 7.2K Apr 11 16:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 11 16:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Apr 11 16:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Apr 11 16:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 07:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 23 07:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 11 16:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Apr 11 16:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 11 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Apr 11 16:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 4.9K May 18 16:43 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 Referendum-COL-0050-LTLCardinality-00
FORMULA_NAME Referendum-COL-0050-LTLCardinality-01
FORMULA_NAME Referendum-COL-0050-LTLCardinality-02
FORMULA_NAME Referendum-COL-0050-LTLCardinality-03
FORMULA_NAME Referendum-COL-0050-LTLCardinality-04
FORMULA_NAME Referendum-COL-0050-LTLCardinality-05
FORMULA_NAME Referendum-COL-0050-LTLCardinality-06
FORMULA_NAME Referendum-COL-0050-LTLCardinality-07
FORMULA_NAME Referendum-COL-0050-LTLCardinality-08
FORMULA_NAME Referendum-COL-0050-LTLCardinality-09
FORMULA_NAME Referendum-COL-0050-LTLCardinality-10
FORMULA_NAME Referendum-COL-0050-LTLCardinality-11
FORMULA_NAME Referendum-COL-0050-LTLCardinality-12
FORMULA_NAME Referendum-COL-0050-LTLCardinality-13
FORMULA_NAME Referendum-COL-0050-LTLCardinality-14
FORMULA_NAME Referendum-COL-0050-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1716762659127

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Referendum-COL-0050
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-26 22:31:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-26 22:31:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-26 22:31:00] [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.
[2024-05-26 22:31:00] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-26 22:31:00] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 507 ms
[2024-05-26 22:31:00] [INFO ] Imported 4 HL places and 3 HL transitions for a total of 151 PT places and 101.0 transition bindings in 12 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
[2024-05-26 22:31:01] [INFO ] Built PT skeleton of HLPN with 4 places and 3 transitions 6 arcs in 5 ms.
[2024-05-26 22:31:01] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 3 formulas.
FORMULA Referendum-COL-0050-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Referendum-COL-0050-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Referendum-COL-0050-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Remains 13 properties that can be checked using skeleton over-approximation.
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
RANDOM walk for 40064 steps (752 resets) in 182 ms. (218 steps per ms) remains 2/19 properties
BEST_FIRST walk for 40004 steps (260 resets) in 325 ms. (122 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (260 resets) in 334 ms. (119 steps per ms) remains 2/2 properties
// Phase 1: matrix 3 rows 4 cols
[2024-05-26 22:31:01] [INFO ] Computed 1 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp16 is UNSAT
After SMT solving in domain Real declared 4/7 variables, and 1 constraints, problems are : Problem set: 2 solved, 0 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 136ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
FORMULA Referendum-COL-0050-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Referendum-COL-0050-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-26 22:31:01] [INFO ] Flatten gal took : 12 ms
[2024-05-26 22:31:01] [INFO ] Flatten gal took : 2 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Voters
Arc [3:1*[0]] contains constants of sort Voters
Arc [3:1*[1]] contains constants of sort Voters
Arc [3:1*[2]] contains constants of sort Voters
Arc [3:1*[3]] contains constants of sort Voters
Arc [3:1*[4]] contains constants of sort Voters
Arc [3:1*[5]] contains constants of sort Voters
Arc [3:1*[6]] contains constants of sort Voters
Arc [3:1*[7]] contains constants of sort Voters
Arc [3:1*[8]] contains constants of sort Voters
Arc [3:1*[9]] contains constants of sort Voters
Arc [3:1*[10]] contains constants of sort Voters
Arc [3:1*[11]] contains constants of sort Voters
Arc [3:1*[12]] contains constants of sort Voters
Arc [3:1*[13]] contains constants of sort Voters
Arc [3:1*[14]] contains constants of sort Voters
Arc [3:1*[15]] contains constants of sort Voters
Arc [3:1*[16]] contains constants of sort Voters
Arc [3:1*[17]] contains constants of sort Voters
Arc [3:1*[18]] contains constants of sort Voters
Arc [3:1*[19]] contains constants of sort Voters
Arc [3:1*[20]] contains constants of sort Voters
Arc [3:1*[21]] contains constants of sort Voters
Arc [3:1*[22]] contains constants of sort Voters
Arc [3:1*[23]] contains constants of sort Voters
Arc [3:1*[24]] contains constants of sort Voters
Arc [3:1*[25]] contains constants of sort Voters
Arc [3:1*[26]] contains constants of sort Voters
Arc [3:1*[27]] contains constants of sort Voters
Arc [3:1*[28]] contains constants of sort Voters
Arc [3:1*[29]] contains constants of sort Voters
Arc [3:1*[30]] contains constants of sort Voters
Arc [3:1*[31]] contains constants of sort Voters
Arc [3:1*[32]] contains constants of sort Voters
Arc [3:1*[33]] contains constants of sort Voters
Arc [3:1*[34]] contains constants of sort Voters
Arc [3:1*[35]] contains constants of sort Voters
Arc [3:1*[36]] contains constants of sort Voters
Arc [3:1*[37]] contains constants of sort Voters
Arc [3:1*[38]] contains constants of sort Voters
Arc [3:1*[39]] contains constants of sort Voters
Arc [3:1*[40]] contains constants of sort Voters
Arc [3:1*[41]] contains constants of sort Voters
Arc [3:1*[42]] contains constants of sort Voters
Arc [3:1*[43]] contains constants of sort Voters
Arc [3:1*[44]] contains constants of sort Voters
Arc [3:1*[45]] contains constants of sort Voters
Arc [3:1*[46]] contains constants of sort Voters
Arc [3:1*[47]] contains constants of sort Voters
Arc [3:1*[48]] contains constants of sort Voters
Arc [3:1*[49]] contains constants of sort Voters
Transition start : constants on arcs in [[3:1*[0]], [3:1*[1]], [3:1*[2]], [3:1*[3]], [3:1*[4]], [3:1*[5]], [3:1*[6]], [3:1*[7]], [3:1*[8]], [3:1*[9]], [3:1*[10]], [3:1*[11]], [3:1*[12]], [3:1*[13]], [3:1*[14]], [3:1*[15]], [3:1*[16]], [3:1*[17]], [3:1*[18]], [3:1*[19]], [3:1*[20]], [3:1*[21]], [3:1*[22]], [3:1*[23]], [3:1*[24]], [3:1*[25]], [3:1*[26]], [3:1*[27]], [3:1*[28]], [3:1*[29]], [3:1*[30]], [3:1*[31]], [3:1*[32]], [3:1*[33]], [3:1*[34]], [3:1*[35]], [3:1*[36]], [3:1*[37]], [3:1*[38]], [3:1*[39]], [3:1*[40]], [3:1*[41]], [3:1*[42]], [3:1*[43]], [3:1*[44]], [3:1*[45]], [3:1*[46]], [3:1*[47]], [3:1*[48]], [3:1*[49]]] introduces in Voters(50) partition with 1 elements that refines current partition to 1 subsets.
Symmetric sort wr.t. initial detected :Voters
Symmetric sort wr.t. initial and guards detected :Voters
Applying symmetric unfolding of full symmetric sort :Voters domain size was 50
[2024-05-26 22:31:01] [INFO ] Unfolded HLPN to a Petri net with 4 places and 3 transitions 6 arcs in 17 ms.
[2024-05-26 22:31:01] [INFO ] Unfolded 11 HLPN properties in 1 ms.
Support contains 4 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Applied a total of 0 rules in 5 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
[2024-05-26 22:31:01] [INFO ] Invariant cache hit.
[2024-05-26 22:31:01] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-26 22:31:01] [INFO ] Invariant cache hit.
[2024-05-26 22:31:01] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 100ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 100ms
Finished structural reductions in LTL mode , in 1 iterations and 164 ms. Remains : 4/4 places, 3/3 transitions.
Support contains 4 out of 4 places after structural reductions.
[2024-05-26 22:31:01] [INFO ] Flatten gal took : 1 ms
[2024-05-26 22:31:01] [INFO ] Flatten gal took : 1 ms
[2024-05-26 22:31:01] [INFO ] Input system was already deterministic with 3 transitions.
RANDOM walk for 40064 steps (752 resets) in 37 ms. (1054 steps per ms) remains 1/16 properties
BEST_FIRST walk for 40004 steps (260 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
[2024-05-26 22:31:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp13 is UNSAT
After SMT solving in domain Real declared 4/7 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 19 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 22ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA Referendum-COL-0050-LTLCardinality-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 2 transition count 2
Applied a total of 3 rules in 6 ms. Remains 2 /4 variables (removed 2) and now considering 2/3 (removed 1) transitions.
// Phase 1: matrix 2 rows 2 cols
[2024-05-26 22:31:02] [INFO ] Computed 0 invariants in 0 ms
[2024-05-26 22:31:02] [INFO ] Implicit Places using invariants in 13 ms returned []
[2024-05-26 22:31:02] [INFO ] Invariant cache hit.
[2024-05-26 22:31:02] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 32 ms to find 0 implicit places.
Running 1 sub problems to find dead transitions.
[2024-05-26 22:31:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/4 variables, and 2 constraints, problems are : Problem set: 0 solved, 1 unsolved in 34 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1/4 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/4 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 30 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 67ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 67ms
Starting structural reductions in LTL mode, iteration 1 : 2/4 places, 2/3 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 105 ms. Remains : 2/4 places, 2/3 transitions.
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-00
Product exploration explored 100000 steps with 50000 reset in 140 ms.
Product exploration explored 100000 steps with 50000 reset in 78 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 16 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0050-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0050-LTLCardinality-00 finished in 598 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 3 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Applied a total of 0 rules in 0 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
// Phase 1: matrix 3 rows 4 cols
[2024-05-26 22:31:02] [INFO ] Computed 1 invariants in 0 ms
[2024-05-26 22:31:02] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-26 22:31:02] [INFO ] Invariant cache hit.
[2024-05-26 22:31:02] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 86ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 86ms
Finished structural reductions in LTL mode , in 1 iterations and 158 ms. Remains : 4/4 places, 3/3 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-01
Product exploration explored 100000 steps with 50000 reset in 42 ms.
Product exploration explored 100000 steps with 50000 reset in 40 ms.
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 13 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0050-LTLCardinality-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0050-LTLCardinality-01 finished in 368 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||(G(p1) U (p0&&G(p1)))))))'
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Graph (complete) has 3 edges and 4 vertex of which 2 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 2 transition count 2
Applied a total of 2 rules in 11 ms. Remains 2 /4 variables (removed 2) and now considering 2/3 (removed 1) transitions.
// Phase 1: matrix 2 rows 2 cols
[2024-05-26 22:31:03] [INFO ] Computed 0 invariants in 0 ms
[2024-05-26 22:31:03] [INFO ] Implicit Places using invariants in 12 ms returned []
[2024-05-26 22:31:03] [INFO ] Invariant cache hit.
[2024-05-26 22:31:03] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 29 ms to find 0 implicit places.
[2024-05-26 22:31:03] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-05-26 22:31:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/4 variables, and 2 constraints, problems are : Problem set: 0 solved, 1 unsolved in 27 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1/4 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/4 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 27 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 59ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 59ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/4 places, 2/3 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 105 ms. Remains : 2/4 places, 2/3 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-02
Product exploration explored 100000 steps with 1923 reset in 67 ms.
Product exploration explored 100000 steps with 1923 reset in 99 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X (NOT p0)), (X (X (NOT p0))), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 11 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0050-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0050-LTLCardinality-02 finished in 396 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0&&(G(p1) U p2)))))'
Support contains 3 out of 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Applied a total of 0 rules in 1 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
// Phase 1: matrix 3 rows 4 cols
[2024-05-26 22:31:03] [INFO ] Computed 1 invariants in 1 ms
[2024-05-26 22:31:03] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-26 22:31:03] [INFO ] Invariant cache hit.
[2024-05-26 22:31:03] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2024-05-26 22:31:03] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 33 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 81ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 81ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 135 ms. Remains : 4/4 places, 3/3 transitions.
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p2)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p2)]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-05
Stuttering criterion allowed to conclude after 51 steps with 0 reset in 1 ms.
FORMULA Referendum-COL-0050-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Referendum-COL-0050-LTLCardinality-05 finished in 297 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 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Graph (complete) has 3 edges and 4 vertex of which 3 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 4 ms. Remains 2 /4 variables (removed 2) and now considering 2/3 (removed 1) transitions.
// Phase 1: matrix 2 rows 2 cols
[2024-05-26 22:31:03] [INFO ] Computed 0 invariants in 1 ms
[2024-05-26 22:31:03] [INFO ] Implicit Places using invariants in 14 ms returned []
[2024-05-26 22:31:03] [INFO ] Invariant cache hit.
[2024-05-26 22:31:03] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2024-05-26 22:31:03] [INFO ] Redundant transitions in 0 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/4 places, 2/3 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 55 ms. Remains : 2/4 places, 2/3 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-06
Stuttering criterion allowed to conclude after 50 steps with 0 reset in 0 ms.
FORMULA Referendum-COL-0050-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Referendum-COL-0050-LTLCardinality-06 finished in 109 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((G(p0)||X(X(F(p1))))))))'
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 3 transition count 3
Applied a total of 1 rules in 0 ms. Remains 3 /4 variables (removed 1) and now considering 3/3 (removed 0) transitions.
// Phase 1: matrix 3 rows 3 cols
[2024-05-26 22:31:03] [INFO ] Computed 0 invariants in 1 ms
[2024-05-26 22:31:03] [INFO ] Implicit Places using invariants in 16 ms returned []
[2024-05-26 22:31:03] [INFO ] Invariant cache hit.
[2024-05-26 22:31:03] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 3 constraints, problems are : Problem set: 0 solved, 2 unsolved in 39 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 40 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 83ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 83ms
Starting structural reductions in LTL mode, iteration 1 : 3/4 places, 3/3 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 120 ms. Remains : 3/4 places, 3/3 transitions.
Stuttering acceptance computed with spot in 347 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-08
Product exploration explored 100000 steps with 16666 reset in 36 ms.
Product exploration explored 100000 steps with 16666 reset in 55 ms.
Computed a total of 3 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 3 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (F (G (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 106 ms. Reduced automaton from 8 states, 11 edges and 2 AP (stutter sensitive) to 8 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 323 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 420 steps (4 resets) in 8 ms. (46 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (F (G (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F (NOT (OR (NOT p0) p1))), (F p0)]
Knowledge based reduction with 3 factoid took 202 ms. Reduced automaton from 8 states, 11 edges and 2 AP (stutter sensitive) to 8 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 300 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 321 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2024-05-26 22:31:05] [INFO ] Invariant cache hit.
[2024-05-26 22:31:05] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-05-26 22:31:05] [INFO ] Computed and/alt/rep : 2/2/2 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 22:31:05] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p0))
Support contains 2 out of 3 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3/3 places, 3/3 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 3/3 (removed 0) transitions.
[2024-05-26 22:31:05] [INFO ] Invariant cache hit.
[2024-05-26 22:31:05] [INFO ] Implicit Places using invariants in 16 ms returned []
[2024-05-26 22:31:05] [INFO ] Invariant cache hit.
[2024-05-26 22:31:05] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 3 constraints, problems are : Problem set: 0 solved, 2 unsolved in 30 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 34 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 67ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 68ms
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 3/3 places, 3/3 transitions.
Computed a total of 3 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 3 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (F (G (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 99 ms. Reduced automaton from 8 states, 11 edges and 2 AP (stutter sensitive) to 8 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 345 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 208 steps (0 resets) in 4 ms. (41 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (F (G (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F (NOT (OR (NOT p0) p1))), (F p0)]
Knowledge based reduction with 3 factoid took 226 ms. Reduced automaton from 8 states, 11 edges and 2 AP (stutter sensitive) to 8 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 338 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 471 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2024-05-26 22:31:07] [INFO ] Invariant cache hit.
[2024-05-26 22:31:07] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-05-26 22:31:07] [INFO ] Computed and/alt/rep : 2/2/2 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 22:31:07] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p0))
Stuttering acceptance computed with spot in 302 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 16666 reset in 41 ms.
Product exploration explored 100000 steps with 16666 reset in 45 ms.
Applying partial POR strategy [false, true, false, false, true, false, false, false]
Stuttering acceptance computed with spot in 306 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 2 out of 3 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 3/3 places, 3/3 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 3/3 (removed 0) transitions.
[2024-05-26 22:31:08] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 3 constraints, problems are : Problem set: 0 solved, 2 unsolved in 28 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 33 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 64ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 64ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 70 ms. Remains : 3/3 places, 3/3 transitions.
Support contains 2 out of 3 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3/3 places, 3/3 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 3/3 (removed 0) transitions.
[2024-05-26 22:31:08] [INFO ] Invariant cache hit.
[2024-05-26 22:31:08] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-26 22:31:08] [INFO ] Invariant cache hit.
[2024-05-26 22:31:08] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 3 constraints, problems are : Problem set: 0 solved, 2 unsolved in 28 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 25 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 57ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 57ms
Finished structural reductions in LTL mode , in 1 iterations and 97 ms. Remains : 3/3 places, 3/3 transitions.
Treatment of property Referendum-COL-0050-LTLCardinality-08 finished in 4702 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(p0)) U (p0&&G(p1)))))'
Support contains 3 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Applied a total of 0 rules in 1 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
// Phase 1: matrix 3 rows 4 cols
[2024-05-26 22:31:08] [INFO ] Computed 1 invariants in 0 ms
[2024-05-26 22:31:08] [INFO ] Implicit Places using invariants in 14 ms returned []
[2024-05-26 22:31:08] [INFO ] Invariant cache hit.
[2024-05-26 22:31:08] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 25 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 58ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 58ms
Finished structural reductions in LTL mode , in 1 iterations and 94 ms. Remains : 4/4 places, 3/3 transitions.
Stuttering acceptance computed with spot in 220 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p1)]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-09
Product exploration explored 100000 steps with 6051 reset in 55 ms.
Product exploration explored 100000 steps with 6155 reset in 51 ms.
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 p1))), (X (OR (NOT p0) (NOT p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 11 factoid took 196 ms. Reduced automaton from 5 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 14 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 250 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p1), false]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 632 steps (8 resets) in 4 ms. (126 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 p1))), (X (OR (NOT p0) (NOT p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 11 factoid took 381 ms. Reduced automaton from 6 states, 14 edges and 2 AP (stutter insensitive) to 6 states, 14 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 252 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p1), false]
Stuttering acceptance computed with spot in 229 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p1), false]
[2024-05-26 22:31:10] [INFO ] Invariant cache hit.
Proved EG (NOT p0)
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 p1))), (X (OR (NOT p0) (NOT p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) (NOT p1)))), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 11 factoid took 354 ms. Reduced automaton from 6 states, 14 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0050-LTLCardinality-09 FALSE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0050-LTLCardinality-09 finished in 2184 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 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Graph (complete) has 3 edges and 4 vertex of which 2 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 2 transition count 2
Applied a total of 2 rules in 1 ms. Remains 2 /4 variables (removed 2) and now considering 2/3 (removed 1) transitions.
// Phase 1: matrix 2 rows 2 cols
[2024-05-26 22:31:10] [INFO ] Computed 0 invariants in 0 ms
[2024-05-26 22:31:10] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-05-26 22:31:10] [INFO ] Invariant cache hit.
[2024-05-26 22:31:10] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2024-05-26 22:31:10] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-05-26 22:31:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/4 variables, and 2 constraints, problems are : Problem set: 0 solved, 1 unsolved in 25 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1/4 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/4 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 27 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 53ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 53ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/4 places, 2/3 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 106 ms. Remains : 2/4 places, 2/3 transitions.
Stuttering acceptance computed with spot in 37 ms :[p0]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-10
Product exploration explored 100000 steps with 1923 reset in 71 ms.
Product exploration explored 100000 steps with 1923 reset in 85 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 12 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0050-LTLCardinality-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0050-LTLCardinality-10 finished in 341 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U (G((p0||G(!p0)))||((p0||G(!p0))&&G(!p1)))))'
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Graph (complete) has 3 edges and 4 vertex of which 3 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 1 ms. Remains 3 /4 variables (removed 1) and now considering 3/3 (removed 0) transitions.
// Phase 1: matrix 3 rows 3 cols
[2024-05-26 22:31:11] [INFO ] Computed 0 invariants in 0 ms
[2024-05-26 22:31:11] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-26 22:31:11] [INFO ] Invariant cache hit.
[2024-05-26 22:31:11] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2024-05-26 22:31:11] [INFO ] Redundant transitions in 1 ms returned []
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 3 constraints, problems are : Problem set: 0 solved, 2 unsolved in 23 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/6 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/6 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 26 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 53ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 53ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/4 places, 3/3 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 99 ms. Remains : 3/4 places, 3/3 transitions.
Stuttering acceptance computed with spot in 214 ms :[true, (AND p1 p0), false, false, p0, p1]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 50 steps with 0 reset in 1 ms.
FORMULA Referendum-COL-0050-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Referendum-COL-0050-LTLCardinality-14 finished in 336 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0||(p1&&X(X(p2)))))))'
Support contains 3 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Applied a total of 0 rules in 0 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
// Phase 1: matrix 3 rows 4 cols
[2024-05-26 22:31:11] [INFO ] Computed 1 invariants in 0 ms
[2024-05-26 22:31:11] [INFO ] Implicit Places using invariants in 15 ms returned []
[2024-05-26 22:31:11] [INFO ] Invariant cache hit.
[2024-05-26 22:31:11] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 63ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 63ms
Finished structural reductions in LTL mode , in 1 iterations and 97 ms. Remains : 4/4 places, 3/3 transitions.
Stuttering acceptance computed with spot in 215 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Referendum-COL-0050-LTLCardinality-15
Product exploration explored 100000 steps with 18384 reset in 85 ms.
Product exploration explored 100000 steps with 18386 reset in 100 ms.
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (G p2))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 9 factoid took 804 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 213 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
RANDOM walk for 40064 steps (752 resets) in 54 ms. (728 steps per ms) remains 1/7 properties
BEST_FIRST walk for 40004 steps (260 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
[2024-05-26 22:31:13] [INFO ] Invariant cache hit.
Problem apf4 is UNSAT
After SMT solving in domain Real declared 3/7 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 15 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 16ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (G p2)), (G (OR p0 (NOT p1) p2))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 (NOT p1)))), (F p1), (F p0), (F p2), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2))))]
Knowledge based reduction with 10 factoid took 1639 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 191 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 188 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2024-05-26 22:31:15] [INFO ] Invariant cache hit.
[2024-05-26 22:31:15] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 22:31:15] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2024-05-26 22:31:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 22:31:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 22:31:15] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2024-05-26 22:31:15] [INFO ] Computed and/alt/rep : 2/2/2 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 22:31:15] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2024-05-26 22:31:15] [INFO ] Invariant cache hit.
[2024-05-26 22:31:15] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 22:31:15] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2024-05-26 22:31:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 22:31:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 22:31:15] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2024-05-26 22:31:15] [INFO ] Computed and/alt/rep : 2/2/2 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 22:31:15] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 3 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Applied a total of 0 rules in 1 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
[2024-05-26 22:31:15] [INFO ] Invariant cache hit.
[2024-05-26 22:31:15] [INFO ] Implicit Places using invariants in 14 ms returned []
[2024-05-26 22:31:15] [INFO ] Invariant cache hit.
[2024-05-26 22:31:15] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 31 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 33 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 26 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 61ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 62ms
Finished structural reductions in LTL mode , in 1 iterations and 94 ms. Remains : 4/4 places, 3/3 transitions.
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (G p2))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 9 factoid took 722 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 181 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
RANDOM walk for 323 steps (5 resets) in 5 ms. (53 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (G p2))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X (NOT p1))), (F p0), (F (NOT (AND (NOT p0) (NOT p2)))), (F p1), (F p2), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 1361 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 226 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 195 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2024-05-26 22:31:18] [INFO ] Invariant cache hit.
[2024-05-26 22:31:18] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 22:31:18] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 22:31:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 22:31:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 22:31:18] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2024-05-26 22:31:18] [INFO ] Computed and/alt/rep : 2/2/2 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 22:31:18] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2024-05-26 22:31:18] [INFO ] Invariant cache hit.
[2024-05-26 22:31:18] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 22:31:18] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-05-26 22:31:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 22:31:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 22:31:18] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2024-05-26 22:31:18] [INFO ] Computed and/alt/rep : 2/2/2 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 22:31:18] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 171 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 18399 reset in 55 ms.
Product exploration explored 100000 steps with 18370 reset in 58 ms.
Support contains 3 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Applied a total of 0 rules in 0 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
[2024-05-26 22:31:18] [INFO ] Invariant cache hit.
[2024-05-26 22:31:18] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-26 22:31:18] [INFO ] Invariant cache hit.
[2024-05-26 22:31:18] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-05-26 22:31:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 23 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 58ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 58ms
Finished structural reductions in LTL mode , in 1 iterations and 100 ms. Remains : 4/4 places, 3/3 transitions.
Treatment of property Referendum-COL-0050-LTLCardinality-15 finished in 7189 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((G(p0)||X(X(F(p1))))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0||(p1&&X(X(p2)))))))'
[2024-05-26 22:31:18] [INFO ] Flatten gal took : 2 ms
[2024-05-26 22:31:18] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 3 ms.
[2024-05-26 22:31:18] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 4 places, 3 transitions and 6 arcs took 5 ms.
Total runtime 18681 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running Referendum-COL-0050

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/405/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 4
TRANSITIONS: 3
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.000s]


SAVING FILE /home/mcc/execution/405/model (.net / .def) ...
EXPORT TIME: [User 0.000s, 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: 1666
MODEL NAME: /home/mcc/execution/405/model
4 places, 3 transitions.

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.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA Referendum-COL-0050-LTLCardinality-15 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA Referendum-COL-0050-LTLCardinality-08 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716762679806

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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="Referendum-COL-0050"
export BK_EXAMINATION="LTLCardinality"
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 Referendum-COL-0050, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r311-tall-171662336800539"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Referendum-COL-0050.tgz
mv Referendum-COL-0050 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;