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.r069-tall-171620504400388.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)
...............
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is ClientsAndServers-PT-N0002P0, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r069-tall-171620504400388
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 432K
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 31K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 22:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 12 22:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Apr 12 22:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Apr 12 22:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 8 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 9.1K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0002P0-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716433414144

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N0002P0
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 03:03:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-23 03:03:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 03:03:35] [INFO ] Load time of PNML (sax parser for PT used): 31 ms
[2024-05-23 03:03:35] [INFO ] Transformed 25 places.
[2024-05-23 03:03:35] [INFO ] Transformed 18 transitions.
[2024-05-23 03:03:35] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 128 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Support contains 22 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 24 transition count 18
Applied a total of 1 rules in 16 ms. Remains 24 /25 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 24 cols
[2024-05-23 03:03:35] [INFO ] Computed 7 invariants in 14 ms
[2024-05-23 03:03:35] [INFO ] Implicit Places using invariants in 145 ms returned []
[2024-05-23 03:03:35] [INFO ] Invariant cache hit.
[2024-05-23 03:03:35] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 223 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-05-23 03:03:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/24 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 31 constraints, problems are : Problem set: 0 solved, 17 unsolved in 253 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/24 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/42 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 48 constraints, problems are : Problem set: 0 solved, 17 unsolved in 209 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 484ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 494ms
Starting structural reductions in LTL mode, iteration 1 : 24/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 752 ms. Remains : 24/25 places, 18/18 transitions.
Support contains 22 out of 24 places after structural reductions.
[2024-05-23 03:03:36] [INFO ] Flatten gal took : 17 ms
[2024-05-23 03:03:36] [INFO ] Flatten gal took : 5 ms
[2024-05-23 03:03:36] [INFO ] Input system was already deterministic with 18 transitions.
Support contains 21 out of 24 places (down from 22) after GAL structural reductions.
RANDOM walk for 7774 steps (28 resets) in 178 ms. (43 steps per ms) remains 0/18 properties
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-14 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' '!(G((F(p0)&&F(p1))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 22 transition count 13
Reduce places removed 5 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 17 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 14 place count 16 transition count 12
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 22 place count 12 transition count 8
Applied a total of 22 rules in 18 ms. Remains 12 /24 variables (removed 12) and now considering 8/18 (removed 10) transitions.
// Phase 1: matrix 8 rows 12 cols
[2024-05-23 03:03:37] [INFO ] Computed 5 invariants in 1 ms
[2024-05-23 03:03:37] [INFO ] Implicit Places using invariants in 45 ms returned [8, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 46 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/24 places, 8/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 10 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 9 transition count 7
Applied a total of 2 rules in 2 ms. Remains 9 /10 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 9 cols
[2024-05-23 03:03:37] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:03:37] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-05-23 03:03:37] [INFO ] Invariant cache hit.
[2024-05-23 03:03:37] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/24 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 108 ms. Remains : 9/24 places, 7/18 transitions.
Stuttering acceptance computed with spot in 246 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-00
Product exploration explored 100000 steps with 1165 reset in 337 ms.
Stack based approach found an accepted trace after 145 steps with 1 reset with depth 95 and stack size 95 in 0 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-00 finished in 754 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))))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 1 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2024-05-23 03:03:37] [INFO ] Computed 5 invariants in 2 ms
[2024-05-23 03:03:37] [INFO ] Implicit Places using invariants in 34 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 34 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 36 ms. Remains : 20/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-01
Stuttering criterion allowed to conclude after 417 steps with 4 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-01 finished in 162 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&&F(p2))) U p2))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 22 transition count 15
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 8 place count 19 transition count 15
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 8 place count 19 transition count 14
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 10 place count 18 transition count 14
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 14 place count 16 transition count 12
Applied a total of 14 rules in 7 ms. Remains 16 /24 variables (removed 8) and now considering 12/18 (removed 6) transitions.
// Phase 1: matrix 12 rows 16 cols
[2024-05-23 03:03:37] [INFO ] Computed 5 invariants in 0 ms
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants in 26 ms returned [13]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/24 places, 12/18 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 14 transition count 11
Applied a total of 2 rules in 2 ms. Remains 14 /15 variables (removed 1) and now considering 11/12 (removed 1) transitions.
// Phase 1: matrix 11 rows 14 cols
[2024-05-23 03:03:38] [INFO ] Computed 4 invariants in 2 ms
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants in 22 ms returned [13]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 13/24 places, 11/18 transitions.
Applied a total of 0 rules in 2 ms. Remains 13 /13 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 60 ms. Remains : 13/24 places, 11/18 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p2), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-02
Product exploration explored 100000 steps with 7676 reset in 123 ms.
Stack based approach found an accepted trace after 2792 steps with 217 reset with depth 46 and stack size 46 in 4 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-02 finished in 267 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U p1))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 22 transition count 13
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 18 place count 14 transition count 10
Applied a total of 18 rules in 4 ms. Remains 14 /24 variables (removed 10) and now considering 10/18 (removed 8) transitions.
// Phase 1: matrix 10 rows 14 cols
[2024-05-23 03:03:38] [INFO ] Computed 5 invariants in 2 ms
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants in 38 ms returned [9, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 38 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/24 places, 10/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 12 transition count 9
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 11 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 10 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 4 place count 10 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 6 place count 9 transition count 7
Applied a total of 6 rules in 1 ms. Remains 9 /12 variables (removed 3) and now considering 7/10 (removed 3) transitions.
// Phase 1: matrix 7 rows 9 cols
[2024-05-23 03:03:38] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-05-23 03:03:38] [INFO ] Invariant cache hit.
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/24 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 216 ms. Remains : 9/24 places, 7/18 transitions.
Stuttering acceptance computed with spot in 70 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-03
Stuttering criterion allowed to conclude after 41395 steps with 3075 reset in 38 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-03 finished in 335 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((!p0||X(p1)))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 1 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2024-05-23 03:03:38] [INFO ] Computed 5 invariants in 0 ms
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants in 33 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 36 ms. Remains : 20/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 110 ms :[true, (NOT p1), (AND (NOT p1) p0), (AND p0 (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-04
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-04 finished in 164 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 23 transition count 16
Reduce places removed 2 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 21 transition count 14
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 9 place count 19 transition count 14
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 9 place count 19 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 11 place count 18 transition count 13
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 15 place count 16 transition count 11
Applied a total of 15 rules in 4 ms. Remains 16 /24 variables (removed 8) and now considering 11/18 (removed 7) transitions.
// Phase 1: matrix 11 rows 16 cols
[2024-05-23 03:03:38] [INFO ] Computed 6 invariants in 0 ms
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants in 19 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 20 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/24 places, 11/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 25 ms. Remains : 15/24 places, 11/18 transitions.
Stuttering acceptance computed with spot in 99 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-05
Stuttering criterion allowed to conclude after 156 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-05 finished in 139 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)&&F((G(!p1)||G(p1)))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 18 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 12 place count 17 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 14 place count 16 transition count 12
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 20 place count 13 transition count 9
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 21 place count 12 transition count 9
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 23 place count 11 transition count 8
Applied a total of 23 rules in 7 ms. Remains 11 /24 variables (removed 13) and now considering 8/18 (removed 10) transitions.
// Phase 1: matrix 8 rows 11 cols
[2024-05-23 03:03:38] [INFO ] Computed 4 invariants in 1 ms
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants in 32 ms returned [7, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 34 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/24 places, 8/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 9 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 3 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2024-05-23 03:03:38] [INFO ] Computed 2 invariants in 0 ms
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-23 03:03:38] [INFO ] Invariant cache hit.
[2024-05-23 03:03:38] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/24 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 93 ms. Remains : 8/24 places, 7/18 transitions.
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0), false]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-06
Product exploration explored 100000 steps with 857 reset in 186 ms.
Stack based approach found an accepted trace after 107 steps with 0 reset with depth 108 and stack size 106 in 0 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-06 finished in 406 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&&X(G((!p0||G(p1))))) U p2))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 22 transition count 17
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 21 transition count 15
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 8 place count 19 transition count 15
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 8 place count 19 transition count 13
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 16 place count 15 transition count 11
Applied a total of 16 rules in 7 ms. Remains 15 /24 variables (removed 9) and now considering 11/18 (removed 7) transitions.
// Phase 1: matrix 11 rows 15 cols
[2024-05-23 03:03:39] [INFO ] Computed 5 invariants in 0 ms
[2024-05-23 03:03:39] [INFO ] Implicit Places using invariants in 30 ms returned [10, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 31 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/24 places, 11/18 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 13 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 12 transition count 10
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 11 transition count 9
Applied a total of 4 rules in 2 ms. Remains 11 /13 variables (removed 2) and now considering 9/11 (removed 2) transitions.
// Phase 1: matrix 9 rows 11 cols
[2024-05-23 03:03:39] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 03:03:39] [INFO ] Implicit Places using invariants in 16 ms returned []
[2024-05-23 03:03:39] [INFO ] Invariant cache hit.
[2024-05-23 03:03:39] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 11/24 places, 9/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 95 ms. Remains : 11/24 places, 9/18 transitions.
Stuttering acceptance computed with spot in 109 ms :[(NOT p2), true, (AND (NOT p1) p0), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-07
Entered a terminal (fully accepting) state of product in 18 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-07 finished in 223 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U (!p1&&G(!p2)&&X(X(F(!p0))))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 1 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2024-05-23 03:03:39] [INFO ] Computed 5 invariants in 1 ms
[2024-05-23 03:03:39] [INFO ] Implicit Places using invariants in 30 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 41 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 20/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 203 ms :[(OR p0 p2 p1), true, p2, p0, p2, p0]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-08
Entered a terminal (fully accepting) state of product in 33 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-08 finished in 265 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||G(F(p1))))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 1 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2024-05-23 03:03:39] [INFO ] Invariant cache hit.
[2024-05-23 03:03:39] [INFO ] Implicit Places using invariants in 26 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 117 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 65 ms.
Product exploration explored 100000 steps with 50000 reset in 62 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)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 21 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-09 finished in 333 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(X(p0)) U !p1) U X((X(p1) U p0))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 0 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2024-05-23 03:03:40] [INFO ] Invariant cache hit.
[2024-05-23 03:03:40] [INFO ] Implicit Places using invariants in 20 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 21 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 21 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-10
Product exploration explored 100000 steps with 2687 reset in 174 ms.
Product exploration explored 100000 steps with 2683 reset in 168 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) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 101 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 1342 steps (6 resets) in 26 ms. (49 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 254 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 160 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
// Phase 1: matrix 18 rows 21 cols
[2024-05-23 03:03:41] [INFO ] Computed 4 invariants in 0 ms
[2024-05-23 03:03:41] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2024-05-23 03:03:41] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-23 03:03:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:41] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-23 03:03:41] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-23 03:03:41] [INFO ] Added : 15 causal constraints over 3 iterations in 23 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 4 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-23 03:03:41] [INFO ] Invariant cache hit.
[2024-05-23 03:03:41] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-05-23 03:03:41] [INFO ] Invariant cache hit.
[2024-05-23 03:03:41] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-05-23 03:03:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 17 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 42 constraints, problems are : Problem set: 0 solved, 17 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 357ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 358ms
Finished structural reductions in LTL mode , in 1 iterations and 434 ms. Remains : 21/21 places, 18/18 transitions.
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)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 190 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 1255 steps (5 resets) in 11 ms. (104 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 228 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 171 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 200 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
[2024-05-23 03:03:43] [INFO ] Invariant cache hit.
[2024-05-23 03:03:43] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:43] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-23 03:03:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:43] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:43] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-23 03:03:43] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-23 03:03:43] [INFO ] Added : 15 causal constraints over 3 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 171 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2681 reset in 109 ms.
Product exploration explored 100000 steps with 2670 reset in 109 ms.
Applying partial POR strategy [true, true, false, false, false]
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 21 transition count 18
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 7 place count 21 transition count 18
Deduced a syphon composed of 11 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 21 transition count 18
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 16 place count 16 transition count 13
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 21 place count 16 transition count 13
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 16 transition count 13
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 15 transition count 12
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 15 transition count 12
Deduced a syphon composed of 6 places in 0 ms
Applied a total of 24 rules in 7 ms. Remains 15 /21 variables (removed 6) and now considering 12/18 (removed 6) transitions.
[2024-05-23 03:03:43] [INFO ] Redundant transitions in 0 ms returned []
Running 11 sub problems to find dead transitions.
// Phase 1: matrix 12 rows 15 cols
[2024-05-23 03:03:43] [INFO ] Computed 4 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 1/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD10 is UNSAT
At refinement iteration 4 (OVERLAPS) 12/27 variables, 15/19 constraints. Problems are: Problem set: 6 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 0/19 constraints. Problems are: Problem set: 6 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/27 variables, 0/19 constraints. Problems are: Problem set: 6 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 27/27 variables, and 19 constraints, problems are : Problem set: 6 solved, 5 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 15/15 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 6 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 7/15 variables, 4/4 constraints. Problems are: Problem set: 6 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 6 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 12/27 variables, 15/19 constraints. Problems are: Problem set: 6 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 5/24 constraints. Problems are: Problem set: 6 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 0/24 constraints. Problems are: Problem set: 6 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/27 variables, 0/24 constraints. Problems are: Problem set: 6 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 27/27 variables, and 24 constraints, problems are : Problem set: 6 solved, 5 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 15/15 constraints, PredecessorRefiner: 5/11 constraints, Known Traps: 0/0 constraints]
After SMT, in 153ms problems are : Problem set: 6 solved, 5 unsolved
Search for dead transitions found 6 dead transitions in 153ms
Found 6 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 6 transitions
Dead transitions reduction (with SMT) removed 6 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 15/21 places, 6/18 transitions.
Graph (complete) has 16 edges and 15 vertex of which 9 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 2 ms. Remains 9 /15 variables (removed 6) and now considering 6/6 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/21 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 167 ms. Remains : 9/21 places, 6/18 transitions.
Support contains 4 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-05-23 03:03:44] [INFO ] Computed 4 invariants in 0 ms
[2024-05-23 03:03:44] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-23 03:03:44] [INFO ] Invariant cache hit.
[2024-05-23 03:03:44] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-05-23 03:03:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 17 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 42 constraints, problems are : Problem set: 0 solved, 17 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 292ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 292ms
Finished structural reductions in LTL mode , in 1 iterations and 357 ms. Remains : 21/21 places, 18/18 transitions.
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-10 finished in 4300 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(!p1)||p0))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 14
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 10 place count 18 transition count 14
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 10 place count 18 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 16 place count 15 transition count 11
Applied a total of 16 rules in 2 ms. Remains 15 /24 variables (removed 9) and now considering 11/18 (removed 7) transitions.
// Phase 1: matrix 11 rows 15 cols
[2024-05-23 03:03:44] [INFO ] Computed 5 invariants in 0 ms
[2024-05-23 03:03:44] [INFO ] Implicit Places using invariants in 29 ms returned [9, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 29 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/24 places, 11/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 13 transition count 10
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 12 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 11 transition count 9
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 6 place count 10 transition count 8
Applied a total of 6 rules in 1 ms. Remains 10 /13 variables (removed 3) and now considering 8/11 (removed 3) transitions.
// Phase 1: matrix 8 rows 10 cols
[2024-05-23 03:03:44] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:03:44] [INFO ] Implicit Places using invariants in 20 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 21 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/24 places, 8/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 54 ms. Remains : 9/24 places, 8/18 transitions.
Stuttering acceptance computed with spot in 75 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-11
Product exploration explored 100000 steps with 1221 reset in 82 ms.
Stack based approach found an accepted trace after 84678 steps with 1044 reset with depth 29 and stack size 29 in 68 ms.
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-11 finished in 292 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((X((X(!p1)&&p0))||G(p2))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 0 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2024-05-23 03:03:44] [INFO ] Computed 5 invariants in 1 ms
[2024-05-23 03:03:44] [INFO ] Implicit Places using invariants in 34 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44 ms. Remains : 20/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 109 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-12
Product exploration explored 100000 steps with 9373 reset in 86 ms.
Product exploration explored 100000 steps with 9455 reset in 81 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 p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND p2 p0))), (X (NOT (AND (NOT p2) p0))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p0 p1)))), (X (X (NOT (AND p2 p0)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 18 factoid took 129 ms. Reduced automaton from 3 states, 9 edges and 3 AP (stutter sensitive) to 3 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
RANDOM walk for 40002 steps (138 resets) in 106 ms. (373 steps per ms) remains 2/11 properties
BEST_FIRST walk for 40003 steps (15 resets) in 177 ms. (224 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (9 resets) in 102 ms. (388 steps per ms) remains 2/2 properties
// Phase 1: matrix 18 rows 20 cols
[2024-05-23 03:03:45] [INFO ] Computed 3 invariants in 0 ms
Problem apf2 is UNSAT
Problem apf7 is UNSAT
After SMT solving in domain Real declared 4/38 variables, and 0 constraints, problems are : Problem set: 2 solved, 0 unsolved in 22 ms.
Refiners :[Positive P Invariants (semi-flows): 0/3 constraints, State Equation: 0/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 26ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND p2 p0))), (X (NOT (AND (NOT p2) p0))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p0 p1)))), (X (X (NOT (AND p2 p0)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p0) p2 (NOT p1))), (G (OR (NOT p0) (NOT p2) (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 (NOT p2)))), (F (NOT (OR p0 p2 (NOT p1)))), (F (NOT (OR p0 (NOT p2) (NOT p1)))), (F p2), (F (NOT (AND (NOT p0) (NOT p2)))), (F p0), (F p1), (F (NOT (OR (NOT p0) (NOT p2))))]
Knowledge based reduction with 20 factoid took 483 ms. Reduced automaton from 3 states, 9 edges and 3 AP (stutter sensitive) to 3 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 126 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 115 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
[2024-05-23 03:03:46] [INFO ] Invariant cache hit.
[2024-05-23 03:03:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:46] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-23 03:03:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:46] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-23 03:03:46] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-23 03:03:46] [INFO ] Added : 12 causal constraints over 3 iterations in 14 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-23 03:03:46] [INFO ] Invariant cache hit.
[2024-05-23 03:03:46] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-23 03:03:46] [INFO ] Invariant cache hit.
[2024-05-23 03:03:46] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-05-23 03:03:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/38 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/38 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 23 constraints, problems are : Problem set: 0 solved, 17 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/38 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 17/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 40 constraints, problems are : Problem set: 0 solved, 17 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 295ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 296ms
Finished structural reductions in LTL mode , in 1 iterations and 342 ms. Remains : 20/20 places, 18/18 transitions.
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 p2) (NOT p1)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND p0 (NOT p2)))), (X (NOT p0)), (X (NOT (AND p0 p2))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 103 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter sensitive) to 3 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 128 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
RANDOM walk for 3822 steps (16 resets) in 14 ms. (254 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND p0 (NOT p2)))), (X (NOT p0)), (X (NOT (AND p0 p2))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) (NOT p1)))), (F (NOT (OR (NOT p0) p2))), (F p0), (F (NOT (OR p2 (NOT p1)))), (F p2), (F (NOT (OR p0 (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F p1), (F (NOT (OR (NOT p0) (NOT p2))))]
Knowledge based reduction with 16 factoid took 572 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter sensitive) to 3 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 120 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
[2024-05-23 03:03:47] [INFO ] Invariant cache hit.
[2024-05-23 03:03:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:47] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-23 03:03:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:47] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-23 03:03:47] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-23 03:03:47] [INFO ] Added : 12 causal constraints over 3 iterations in 9 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 116 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Product exploration explored 100000 steps with 9507 reset in 81 ms.
Product exploration explored 100000 steps with 9380 reset in 94 ms.
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-23 03:03:48] [INFO ] Invariant cache hit.
[2024-05-23 03:03:48] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-23 03:03:48] [INFO ] Invariant cache hit.
[2024-05-23 03:03:48] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-05-23 03:03:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/38 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/38 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 23 constraints, problems are : Problem set: 0 solved, 17 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/38 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 17/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 40 constraints, problems are : Problem set: 0 solved, 17 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 268ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 269ms
Finished structural reductions in LTL mode , in 1 iterations and 315 ms. Remains : 20/20 places, 18/18 transitions.
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-12 finished in 3796 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((p0||G(!p0)))))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 0 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2024-05-23 03:03:48] [INFO ] Computed 5 invariants in 2 ms
[2024-05-23 03:03:48] [INFO ] Implicit Places using invariants in 36 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 37 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 20/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 139 ms :[true, false, p0, false, false]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-13
Product exploration explored 100000 steps with 33333 reset in 37 ms.
Product exploration explored 100000 steps with 33333 reset in 39 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 (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 17 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-13 finished in 282 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||G(p1))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 23 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 19 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 11 place count 18 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 11 place count 18 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 13 place count 17 transition count 12
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 17 place count 15 transition count 10
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 18 place count 14 transition count 10
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 20 place count 13 transition count 9
Applied a total of 20 rules in 7 ms. Remains 13 /24 variables (removed 11) and now considering 9/18 (removed 9) transitions.
// Phase 1: matrix 9 rows 13 cols
[2024-05-23 03:03:48] [INFO ] Computed 5 invariants in 1 ms
[2024-05-23 03:03:48] [INFO ] Implicit Places using invariants in 25 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/24 places, 9/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 12 transition count 8
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 11 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 10 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 4 place count 10 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 6 place count 9 transition count 6
Applied a total of 6 rules in 2 ms. Remains 9 /12 variables (removed 3) and now considering 6/9 (removed 3) transitions.
// Phase 1: matrix 6 rows 9 cols
[2024-05-23 03:03:48] [INFO ] Computed 4 invariants in 0 ms
[2024-05-23 03:03:48] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-05-23 03:03:48] [INFO ] Invariant cache hit.
[2024-05-23 03:03:48] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/24 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 83 ms. Remains : 9/24 places, 6/18 transitions.
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p1) (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-15
Product exploration explored 100000 steps with 15134 reset in 62 ms.
Product exploration explored 100000 steps with 15177 reset in 64 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) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 101 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 459 steps (4 resets) in 7 ms. (57 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 201 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 28 ms :[(AND (NOT p0) (NOT p1))]
[2024-05-23 03:03:49] [INFO ] Invariant cache hit.
[2024-05-23 03:03:49] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:49] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-23 03:03:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:49] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:49] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-23 03:03:49] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-23 03:03:49] [INFO ] Added : 3 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-23 03:03:49] [INFO ] Invariant cache hit.
[2024-05-23 03:03:49] [INFO ] Implicit Places using invariants in 16 ms returned []
[2024-05-23 03:03:49] [INFO ] Invariant cache hit.
[2024-05-23 03:03:49] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2024-05-23 03:03:49] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-05-23 03:03:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 5 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 18 constraints, problems are : Problem set: 0 solved, 5 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 92ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 92ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 139 ms. Remains : 9/9 places, 6/6 transitions.
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)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 78 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 214 steps (1 resets) in 4 ms. (42 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 188 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p0) (NOT p1))]
[2024-05-23 03:03:50] [INFO ] Invariant cache hit.
[2024-05-23 03:03:50] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:50] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-23 03:03:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:50] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:50] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-23 03:03:50] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-23 03:03:50] [INFO ] Added : 3 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 32 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 15136 reset in 65 ms.
Product exploration explored 100000 steps with 15177 reset in 67 ms.
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-23 03:03:50] [INFO ] Invariant cache hit.
[2024-05-23 03:03:50] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-23 03:03:50] [INFO ] Invariant cache hit.
[2024-05-23 03:03:50] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2024-05-23 03:03:50] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-05-23 03:03:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 5 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 18 constraints, problems are : Problem set: 0 solved, 5 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 97ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 97ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 147 ms. Remains : 9/9 places, 6/6 transitions.
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-15 finished in 1644 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(X(p0)) U !p1) U X((X(p1) U p0))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((X(!p1)&&p0))||G(p2))))'
Found a Shortening insensitive property : ClientsAndServers-PT-N0002P0-LTLFireability-12
Stuttering acceptance computed with spot in 124 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 18 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 20 place count 13 transition count 9
Applied a total of 20 rules in 2 ms. Remains 13 /24 variables (removed 11) and now considering 9/18 (removed 9) transitions.
// Phase 1: matrix 9 rows 13 cols
[2024-05-23 03:03:50] [INFO ] Computed 5 invariants in 0 ms
[2024-05-23 03:03:50] [INFO ] Implicit Places using invariants in 22 ms returned [9, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 23 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 11/24 places, 9/18 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 11 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 10 transition count 8
Applied a total of 2 rules in 0 ms. Remains 10 /11 variables (removed 1) and now considering 8/9 (removed 1) transitions.
// Phase 1: matrix 8 rows 10 cols
[2024-05-23 03:03:50] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:03:50] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-23 03:03:50] [INFO ] Invariant cache hit.
[2024-05-23 03:03:50] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 10/24 places, 8/18 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 69 ms. Remains : 10/24 places, 8/18 transitions.
Running random walk in product with property : ClientsAndServers-PT-N0002P0-LTLFireability-12
Product exploration explored 100000 steps with 13127 reset in 69 ms.
Product exploration explored 100000 steps with 13236 reset in 81 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 p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND p2 p0))), (X (NOT (AND (NOT p2) p0))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p0 p1)))), (X (X (NOT (AND p2 p0)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 18 factoid took 111 ms. Reduced automaton from 3 states, 9 edges and 3 AP (stutter sensitive) to 3 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 120 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
RANDOM walk for 40005 steps (230 resets) in 82 ms. (481 steps per ms) remains 2/11 properties
BEST_FIRST walk for 40003 steps (36 resets) in 67 ms. (588 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (9 resets) in 53 ms. (740 steps per ms) remains 2/2 properties
[2024-05-23 03:03:51] [INFO ] Invariant cache hit.
Problem apf2 is UNSAT
Problem apf7 is UNSAT
After SMT solving in domain Real declared 4/18 variables, and 0 constraints, problems are : Problem set: 2 solved, 0 unsolved in 12 ms.
Refiners :[Positive P Invariants (semi-flows): 0/3 constraints, State Equation: 0/10 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 14ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND p2 p0))), (X (NOT (AND (NOT p2) p0))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p0 p1)))), (X (X (NOT (AND p2 p0)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p0) p2 (NOT p1))), (G (OR (NOT p0) (NOT p2) (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 (NOT p2)))), (F (NOT (OR p0 p2 (NOT p1)))), (F (NOT (OR p0 (NOT p2) (NOT p1)))), (F p2), (F (NOT (AND (NOT p0) (NOT p2)))), (F p0), (F p1), (F (NOT (OR (NOT p0) (NOT p2))))]
Knowledge based reduction with 20 factoid took 424 ms. Reduced automaton from 3 states, 9 edges and 3 AP (stutter sensitive) to 3 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 126 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 110 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
[2024-05-23 03:03:51] [INFO ] Invariant cache hit.
[2024-05-23 03:03:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:51] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-23 03:03:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:52] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-23 03:03:52] [INFO ] Computed and/alt/rep : 7/7/7 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-23 03:03:52] [INFO ] Added : 5 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 4 out of 10 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10/10 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2024-05-23 03:03:52] [INFO ] Invariant cache hit.
[2024-05-23 03:03:52] [INFO ] Implicit Places using invariants in 16 ms returned []
[2024-05-23 03:03:52] [INFO ] Invariant cache hit.
[2024-05-23 03:03:52] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-05-23 03:03:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/18 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/18 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 13 constraints, problems are : Problem set: 0 solved, 7 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/18 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 20 constraints, problems are : Problem set: 0 solved, 7 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 124ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 124ms
Finished structural reductions in LTL mode , in 1 iterations and 161 ms. Remains : 10/10 places, 8/8 transitions.
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 p2) (NOT p1)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND p0 (NOT p2)))), (X (NOT p0)), (X (NOT (AND p0 p2))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 118 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter sensitive) to 3 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
RANDOM walk for 673 steps (2 resets) in 4 ms. (134 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND p0 (NOT p2)))), (X (NOT p0)), (X (NOT (AND p0 p2))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) (NOT p1)))), (F (NOT (OR (NOT p0) p2))), (F p0), (F (NOT (OR p2 (NOT p1)))), (F p2), (F (NOT (OR p0 (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F p1), (F (NOT (OR (NOT p0) (NOT p2))))]
Knowledge based reduction with 16 factoid took 385 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter sensitive) to 3 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 120 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 128 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
[2024-05-23 03:03:53] [INFO ] Invariant cache hit.
[2024-05-23 03:03:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:53] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-23 03:03:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:53] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-23 03:03:53] [INFO ] Computed and/alt/rep : 7/7/7 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-23 03:03:53] [INFO ] Added : 5 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 120 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Product exploration explored 100000 steps with 13236 reset in 78 ms.
Product exploration explored 100000 steps with 13103 reset in 77 ms.
Support contains 4 out of 10 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10/10 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2024-05-23 03:03:53] [INFO ] Invariant cache hit.
[2024-05-23 03:03:53] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-23 03:03:53] [INFO ] Invariant cache hit.
[2024-05-23 03:03:53] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-05-23 03:03:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/18 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/18 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 13 constraints, problems are : Problem set: 0 solved, 7 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/18 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 20 constraints, problems are : Problem set: 0 solved, 7 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 124ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 124ms
Finished structural reductions in LTL mode , in 1 iterations and 177 ms. Remains : 10/10 places, 8/8 transitions.
Treatment of property ClientsAndServers-PT-N0002P0-LTLFireability-12 finished in 3162 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||G(p1))))'
[2024-05-23 03:03:53] [INFO ] Flatten gal took : 3 ms
[2024-05-23 03:03:53] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-05-23 03:03:53] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 24 places, 18 transitions and 52 arcs took 1 ms.
Total runtime 18534 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ClientsAndServers-PT-N0002P0

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 24
TRANSITIONS: 18
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.001s]


SAVING FILE /home/mcc/execution/414/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: 1664
MODEL NAME: /home/mcc/execution/414/model
24 places, 18 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 ClientsAndServers-PT-N0002P0-LTLFireability-15 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-10 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ClientsAndServers-PT-N0002P0-LTLFireability-12 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716433439196

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ClientsAndServers-PT-N0002P0"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is ClientsAndServers-PT-N0002P0, 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 r069-tall-171620504400388"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0002P0.tgz
mv ClientsAndServers-PT-N0002P0 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 ;