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.r268-smll-171654407500396.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 itstools
Input is Philosophers-COL-000020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r268-smll-171654407500396
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 6.9K Apr 13 09:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 13 09:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Apr 13 09:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 76K Apr 13 09:36 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 07:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 07:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 23 07:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 23 07:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 13 09:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Apr 13 09:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Apr 13 09:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Apr 13 09:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 11K 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 Philosophers-COL-000020-LTLFireability-00
FORMULA_NAME Philosophers-COL-000020-LTLFireability-01
FORMULA_NAME Philosophers-COL-000020-LTLFireability-02
FORMULA_NAME Philosophers-COL-000020-LTLFireability-03
FORMULA_NAME Philosophers-COL-000020-LTLFireability-04
FORMULA_NAME Philosophers-COL-000020-LTLFireability-05
FORMULA_NAME Philosophers-COL-000020-LTLFireability-06
FORMULA_NAME Philosophers-COL-000020-LTLFireability-07
FORMULA_NAME Philosophers-COL-000020-LTLFireability-08
FORMULA_NAME Philosophers-COL-000020-LTLFireability-09
FORMULA_NAME Philosophers-COL-000020-LTLFireability-10
FORMULA_NAME Philosophers-COL-000020-LTLFireability-11
FORMULA_NAME Philosophers-COL-000020-LTLFireability-12
FORMULA_NAME Philosophers-COL-000020-LTLFireability-13
FORMULA_NAME Philosophers-COL-000020-LTLFireability-14
FORMULA_NAME Philosophers-COL-000020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716850148359

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-COL-000020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202405141337
[2024-05-27 22:49:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-27 22:49:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 22:49:11] [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.
[2024-05-27 22:49:11] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-27 22:49:12] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1316 ms
[2024-05-27 22:49:12] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 100 PT places and 100.0 transition bindings in 36 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
[2024-05-27 22:49:12] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 8 ms.
[2024-05-27 22:49:12] [INFO ] Skeletonized 16 HLPN properties in 3 ms.
Initial state reduction rules removed 3 formulas.
FORMULA Philosophers-COL-000020-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000020-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000020-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 7 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 35986 steps (1632 resets) in 448 ms. (80 steps per ms) remains 0/4 properties
[2024-05-27 22:49:13] [INFO ] Flatten gal took : 29 ms
[2024-05-27 22:49:13] [INFO ] Flatten gal took : 5 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 20) 20) 20)]] contains successor/predecessor on variables of sort Philo
[2024-05-27 22:49:13] [INFO ] Unfolded HLPN to a Petri net with 100 places and 100 transitions 320 arcs in 40 ms.
[2024-05-27 22:49:13] [INFO ] Unfolded 13 HLPN properties in 1 ms.
Support contains 100 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 12 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
// Phase 1: matrix 100 rows 100 cols
[2024-05-27 22:49:13] [INFO ] Computed 40 invariants in 28 ms
[2024-05-27 22:49:13] [INFO ] Implicit Places using invariants in 312 ms returned []
[2024-05-27 22:49:13] [INFO ] Invariant cache hit.
[2024-05-27 22:49:13] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 622 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:49:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2410 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1695 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 4199ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 4223ms
Finished structural reductions in LTL mode , in 1 iterations and 4887 ms. Remains : 100/100 places, 100/100 transitions.
Support contains 100 out of 100 places after structural reductions.
[2024-05-27 22:49:18] [INFO ] Flatten gal took : 39 ms
[2024-05-27 22:49:18] [INFO ] Flatten gal took : 32 ms
[2024-05-27 22:49:18] [INFO ] Input system was already deterministic with 100 transitions.
Reduction of identical properties reduced properties to check from 11 to 8
RANDOM walk for 115 steps (0 resets) in 15 ms. (7 steps per ms) remains 0/8 properties
FORMULA Philosophers-COL-000020-LTLFireability-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:49:18] [INFO ] Invariant cache hit.
[2024-05-27 22:49:18] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-05-27 22:49:18] [INFO ] Invariant cache hit.
[2024-05-27 22:49:19] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:49:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2136 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1665 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 3831ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 3833ms
Finished structural reductions in LTL mode , in 1 iterations and 4044 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 326 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 902 ms.
Product exploration explored 100000 steps with 50000 reset in 530 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 21 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-COL-000020-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-COL-000020-LTLFireability-00 finished in 5923 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||X(p1)))||((p0||X(p1))&&F(G(p1))))))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:49:24] [INFO ] Invariant cache hit.
[2024-05-27 22:49:24] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-27 22:49:24] [INFO ] Invariant cache hit.
[2024-05-27 22:49:25] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:49:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1742 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1895 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 3661ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 3663ms
Finished structural reductions in LTL mode , in 1 iterations and 3885 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 114 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-01
Product exploration explored 100000 steps with 191 reset in 1059 ms.
Stack based approach found an accepted trace after 78 steps with 0 reset with depth 79 and stack size 78 in 1 ms.
FORMULA Philosophers-COL-000020-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000020-LTLFireability-01 finished in 5091 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0)||(G(F(!p1)) U G(p2))))'
Support contains 80 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 8 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:49:29] [INFO ] Invariant cache hit.
[2024-05-27 22:49:29] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-27 22:49:29] [INFO ] Invariant cache hit.
[2024-05-27 22:49:30] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
[2024-05-27 22:49:30] [INFO ] Redundant transitions in 2 ms returned []
Running 60 sub problems to find dead transitions.
[2024-05-27 22:49:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1919 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1992 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 3938ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 3941ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 4112 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 301 ms :[(AND p0 (NOT p2)), p1, (AND p1 p2), (NOT p2), (AND p1 p2 p0)]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-03
Stuttering criterion allowed to conclude after 94887 steps with 4500 reset in 892 ms.
FORMULA Philosophers-COL-000020-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLFireability-03 finished in 5325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0 U (F(p0)&&((!p2 U p3)||p1)))))'
Support contains 100 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 4 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:49:35] [INFO ] Invariant cache hit.
[2024-05-27 22:49:35] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-27 22:49:35] [INFO ] Invariant cache hit.
[2024-05-27 22:49:35] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
[2024-05-27 22:49:35] [INFO ] Redundant transitions in 2 ms returned []
Running 60 sub problems to find dead transitions.
[2024-05-27 22:49:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2128 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2142 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 4297ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 4302ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 4446 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 446 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p3))), true, (NOT p0), (NOT p3), (OR (NOT p0) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-04
Product exploration explored 100000 steps with 10265 reset in 1328 ms.
Product exploration explored 100000 steps with 10334 reset in 1127 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p3 p2), (X p3), (X (NOT (AND (NOT p0) p1 (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p3) p2))), (X (OR p0 p1 p3 (NOT p2))), (X (NOT (AND (NOT p0) p1 (NOT p3) p2))), (X (NOT (AND p0 (NOT p1) (NOT p3) p2))), (X (NOT p0)), (X (X p3)), (X (X (NOT (AND (NOT p0) p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (OR p0 p1 p3 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p3) p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p3) p2))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) (NOT p2))))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) (NOT p2)))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 25 factoid took 777 ms. Reduced automaton from 7 states, 23 edges and 4 AP (stutter insensitive) to 7 states, 23 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 393 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p3))), true, (NOT p0), (NOT p3), (OR (NOT p0) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p3))]
Reduction of identical properties reduced properties to check from 16 to 15
RANDOM walk for 40000 steps (54 resets) in 879 ms. (45 steps per ms) remains 1/15 properties
BEST_FIRST walk for 40004 steps (12 resets) in 2172 ms. (18 steps per ms) remains 1/1 properties
[2024-05-27 22:49:44] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Problem apf12 is UNSAT
After SMT solving in domain Int declared 100/200 variables, and 40 constraints, problems are : Problem set: 1 solved, 0 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 0/100 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 191ms 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) p3 p2), (X p3), (X (NOT (AND (NOT p0) p1 (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p3) p2))), (X (OR p0 p1 p3 (NOT p2))), (X (NOT (AND (NOT p0) p1 (NOT p3) p2))), (X (NOT (AND p0 (NOT p1) (NOT p3) p2))), (X (NOT p0)), (X (X p3)), (X (X (NOT (AND (NOT p0) p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (OR p0 p1 p3 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p3) p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p3) p2)))), (G (OR p0 (NOT p1) p3 (NOT p2)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) (NOT p2))))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) (NOT p2)))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 p3 (NOT p2)))), (F (NOT (OR (NOT p0) p1 p3 p2))), (F (NOT (OR p0 p1 p3 (NOT p2)))), (F p1), (F (NOT (OR p3 p2))), (F p0), (F (NOT (OR p0 p3 p2))), (F (NOT (OR (NOT p0) p1 p3 (NOT p2)))), (F (NOT (OR p0 p1 p3 p2))), (F (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) (NOT p2))))), (F (NOT p2)), (F (NOT (OR p0 (NOT p1) p3 p2))), (F (NOT p3)), (F (NOT (OR p0 p1 p3 (NOT p2)))), (F (NOT (OR p3 (NOT p2))))]
Property proved to be false thanks to negative knowledge :(F (NOT (OR p0 p3 (NOT p2))))
Knowledge based reduction with 26 factoid took 681 ms. Reduced automaton from 7 states, 23 edges and 4 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-COL-000020-LTLFireability-04 FALSE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-COL-000020-LTLFireability-04 finished in 10319 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 40 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 9 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:49:45] [INFO ] Invariant cache hit.
[2024-05-27 22:49:45] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-27 22:49:45] [INFO ] Invariant cache hit.
[2024-05-27 22:49:45] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 270 ms to find 0 implicit places.
[2024-05-27 22:49:45] [INFO ] Redundant transitions in 3 ms returned []
Running 60 sub problems to find dead transitions.
[2024-05-27 22:49:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2057 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1680 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 3758ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 3760ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 4050 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-05
Product exploration explored 100000 steps with 184 reset in 645 ms.
Stack based approach found an accepted trace after 30 steps with 0 reset with depth 31 and stack size 31 in 0 ms.
FORMULA Philosophers-COL-000020-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000020-LTLFireability-05 finished in 4759 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 40 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 4 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:49:50] [INFO ] Invariant cache hit.
[2024-05-27 22:49:50] [INFO ] Implicit Places using invariants in 121 ms returned []
[2024-05-27 22:49:50] [INFO ] Invariant cache hit.
[2024-05-27 22:49:50] [INFO ] Implicit Places using invariants and state equation in 182 ms returned []
Implicit Place search using SMT with State Equation took 308 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:49:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2261 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2182 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 4460ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 4463ms
Finished structural reductions in LTL mode , in 1 iterations and 4775 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 102 ms :[p0, p0]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-09
Product exploration explored 100000 steps with 31794 reset in 795 ms.
Stack based approach found an accepted trace after 12386 steps with 4024 reset with depth 5 and stack size 5 in 97 ms.
FORMULA Philosophers-COL-000020-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000020-LTLFireability-09 finished in 5798 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)&&((p2 U p3)||p1))))'
Support contains 80 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 1 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:49:56] [INFO ] Invariant cache hit.
[2024-05-27 22:49:56] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-27 22:49:56] [INFO ] Invariant cache hit.
[2024-05-27 22:49:56] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 188 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:49:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1455 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2114 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 3584ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 3585ms
Finished structural reductions in LTL mode , in 1 iterations and 3776 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 296 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p3))), true, (NOT p0), (NOT p3)]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-10
Product exploration explored 100000 steps with 33305 reset in 1228 ms.
Product exploration explored 100000 steps with 33575 reset in 1139 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p3 (NOT p2) (NOT p0)), (X p3), (X (NOT (AND (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2)))), (X (X p3)), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) p2))), (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) p2)))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p0))), (X (X p0))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 374 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 10 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) p3 (NOT p2) (NOT p0)), (X p3), (X (NOT (AND (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2)))), (X (X p3)), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) p2))), (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) p2)))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 7 factoid took 644 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0)]
[2024-05-27 22:50:03] [INFO ] Invariant cache hit.
[2024-05-27 22:50:04] [INFO ] [Real]Absence check using 40 positive place invariants in 29 ms returned sat
[2024-05-27 22:50:04] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2024-05-27 22:50:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 22:50:04] [INFO ] [Nat]Absence check using 40 positive place invariants in 33 ms returned unsat
Proved EG (NOT p0)
Knowledge obtained : [(AND (NOT p1) p3 (NOT p2) (NOT p0)), (X p3), (X (NOT (AND (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2)))), (X (X p3)), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) p2))), (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p3) (AND (NOT p0) p2)))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p0))), (X (X p0)), (F p0), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 7 factoid took 601 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-COL-000020-LTLFireability-10 FALSE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-COL-000020-LTLFireability-10 finished in 9169 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(!p0)&&G((!p0||G(p0)))))))'
Support contains 40 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 4 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:50:05] [INFO ] Invariant cache hit.
[2024-05-27 22:50:05] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-27 22:50:05] [INFO ] Invariant cache hit.
[2024-05-27 22:50:05] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 310 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:50:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2172 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2052 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 4241ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 4243ms
Finished structural reductions in LTL mode , in 1 iterations and 4559 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 254 ms :[p0, (NOT p0), p0, p0, false, true]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-11
Entered a terminal (fully accepting) state of product in 18 steps with 0 reset in 0 ms.
FORMULA Philosophers-COL-000020-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLFireability-11 finished in 4842 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 U X(!p1)))))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:50:10] [INFO ] Invariant cache hit.
[2024-05-27 22:50:10] [INFO ] Implicit Places using invariants in 98 ms returned []
[2024-05-27 22:50:10] [INFO ] Invariant cache hit.
[2024-05-27 22:50:10] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 281 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:50:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1939 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2105 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 4064ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 4065ms
Finished structural reductions in LTL mode , in 1 iterations and 4349 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 155 ms :[p1, p1, p1]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-12
Product exploration explored 100000 steps with 4964 reset in 942 ms.
Stack based approach found an accepted trace after 160 steps with 9 reset with depth 18 and stack size 18 in 2 ms.
FORMULA Philosophers-COL-000020-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000020-LTLFireability-12 finished in 5470 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||((!p1&&X(G((!p1||G(!p0))))) U X(!p2))))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:50:15] [INFO ] Invariant cache hit.
[2024-05-27 22:50:15] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-27 22:50:15] [INFO ] Invariant cache hit.
[2024-05-27 22:50:15] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:50:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2173 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2144 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 4329ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 4330ms
Finished structural reductions in LTL mode , in 1 iterations and 4521 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 201 ms :[(AND (NOT p0) p2), (NOT p0), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 1375 ms.
Product exploration explored 100000 steps with 50000 reset in 1164 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p1) p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 19 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-COL-000020-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-COL-000020-LTLFireability-13 finished in 7313 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 4 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:50:22] [INFO ] Invariant cache hit.
[2024-05-27 22:50:22] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-27 22:50:22] [INFO ] Invariant cache hit.
[2024-05-27 22:50:23] [INFO ] Implicit Places using invariants and state equation in 159 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
[2024-05-27 22:50:23] [INFO ] Redundant transitions in 3 ms returned []
Running 60 sub problems to find dead transitions.
[2024-05-27 22:50:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1509 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1413 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 2938ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 2940ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3189 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 53 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-14
Product exploration explored 100000 steps with 2538 reset in 604 ms.
Stack based approach found an accepted trace after 344 steps with 9 reset with depth 34 and stack size 34 in 4 ms.
FORMULA Philosophers-COL-000020-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000020-LTLFireability-14 finished in 3864 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((G(p1) U p2)||X((G(p2) U p3))||p0)))'
Support contains 80 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2024-05-27 22:50:26] [INFO ] Invariant cache hit.
[2024-05-27 22:50:26] [INFO ] Implicit Places using invariants in 98 ms returned []
[2024-05-27 22:50:26] [INFO ] Invariant cache hit.
[2024-05-27 22:50:26] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2024-05-27 22:50:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2141 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2090 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 4250ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 4252ms
Finished structural reductions in LTL mode , in 1 iterations and 4488 ms. Remains : 100/100 places, 100/100 transitions.
Stuttering acceptance computed with spot in 443 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p2) p1 (NOT p3)), true, (NOT p2), (NOT p1), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : Philosophers-COL-000020-LTLFireability-15
Entered a terminal (fully accepting) state of product in 300 steps with 1 reset in 3 ms.
FORMULA Philosophers-COL-000020-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLFireability-15 finished in 4972 ms.
All properties solved by simple procedures.
Total runtime 81004 ms.

BK_STOP 1716850231788

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Philosophers-COL-000020"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 itstools"
echo " Input is Philosophers-COL-000020, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r268-smll-171654407500396"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-000020.tgz
mv Philosophers-COL-000020 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;