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.r476-tall-171620505900475.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 ltsminxred
Input is ClientsAndServers-PT-N0020P4, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r476-tall-171620505900475
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 3.3K May 19 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:37 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 12K Apr 12 23:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Apr 12 23:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Apr 12 23:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Apr 12 23:01 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 9.2K 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-N0020P4-LTLCardinality-00
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-01
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-02
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-03
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-04
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-05
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-06
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-07
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-08
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-09
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-10
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-11
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-12
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-13
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-14
FORMULA_NAME ClientsAndServers-PT-N0020P4-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717207383221

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N0020P4
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 02:03:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 02:03:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 02:03:04] [INFO ] Load time of PNML (sax parser for PT used): 30 ms
[2024-06-01 02:03:04] [INFO ] Transformed 25 places.
[2024-06-01 02:03:04] [INFO ] Transformed 18 transitions.
[2024-06-01 02:03:04] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 121 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 21 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
[2024-06-01 02:03:04] [INFO ] Computed 7 invariants in 5 ms
[2024-06-01 02:03:04] [INFO ] Implicit Places using invariants in 133 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 159 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 199 ms. Remains : 23/25 places, 18/18 transitions.
Support contains 21 out of 23 places after structural reductions.
[2024-06-01 02:03:05] [INFO ] Flatten gal took : 15 ms
[2024-06-01 02:03:05] [INFO ] Flatten gal took : 5 ms
[2024-06-01 02:03:05] [INFO ] Input system was already deterministic with 18 transitions.
RANDOM walk for 40070 steps (15 resets) in 281 ms. (142 steps per ms) remains 2/26 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 129 ms. (307 steps per ms) remains 1/2 properties
// Phase 1: matrix 18 rows 23 cols
[2024-06-01 02:03:05] [INFO ] Computed 6 invariants in 2 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/17 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp3 is UNSAT
After SMT solving in domain Real declared 23/41 variables, and 6 constraints, problems are : Problem set: 1 solved, 0 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/23 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 79ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
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' '!((F(p0) U X(p1)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 02:03:05] [INFO ] Computed 4 invariants in 2 ms
[2024-06-01 02:03:05] [INFO ] Implicit Places using invariants in 53 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 55 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 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 57 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 380 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-00
Product exploration explored 100000 steps with 644 reset in 268 ms.
Product exploration explored 100000 steps with 668 reset in 164 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 (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 205 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 170 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
RANDOM walk for 6440 steps (2 resets) in 14 ms. (429 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F p0)]
Knowledge based reduction with 7 factoid took 182 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 152 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
// Phase 1: matrix 18 rows 20 cols
[2024-06-01 02:03:07] [INFO ] Computed 3 invariants in 0 ms
Proved EG (NOT p1)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F p0), (G (NOT p1))]
Property proved to be false thanks to negative knowledge :(G (NOT p1))
Knowledge based reduction with 7 factoid took 189 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-00 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-00 finished in 2071 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0&&X(p1))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 2 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 02:03:07] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 02:03:07] [INFO ] Implicit Places using invariants in 27 ms returned [19]
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 : 20/23 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 31 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 95 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-01
Product exploration explored 100000 steps with 798 reset in 148 ms.
Product exploration explored 100000 steps with 790 reset in 126 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) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 105 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter sensitive) to 2 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 77 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 20003 steps (4 resets) in 28 ms. (689 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F p0), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 221 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter sensitive) to 2 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 86 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 80 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
// Phase 1: matrix 18 rows 20 cols
[2024-06-01 02:03:08] [INFO ] Computed 3 invariants in 1 ms
Proved EG (NOT p0)
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F p0), (F (NOT (OR (NOT p0) p1))), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 9 factoid took 261 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-01 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-01 finished in 1310 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 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 6 rules applied. Total rules applied 6 place count 22 transition count 13
Reduce places removed 5 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 7 rules applied. Total rules applied 13 place count 16 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 15 transition count 12
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 14 place count 15 transition count 8
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 11 transition count 8
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 5 rules applied. Total rules applied 27 place count 8 transition count 6
Applied a total of 27 rules in 27 ms. Remains 8 /23 variables (removed 15) and now considering 6/18 (removed 12) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-06-01 02:03:09] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 02:03:09] [INFO ] Implicit Places using invariants in 23 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/23 places, 6/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 52 ms. Remains : 7/23 places, 6/18 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-02
Product exploration explored 100000 steps with 1 reset in 91 ms.
Stack based approach found an accepted trace after 346 steps with 0 reset with depth 347 and stack size 339 in 1 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-02 finished in 194 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 21 transition count 10
Reduce places removed 8 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 9 rules applied. Total rules applied 19 place count 13 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 20 place count 12 transition count 9
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 20 place count 12 transition count 8
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 22 place count 11 transition count 8
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 24 place count 10 transition count 7
Applied a total of 24 rules in 6 ms. Remains 10 /23 variables (removed 13) and now considering 7/18 (removed 11) transitions.
// Phase 1: matrix 7 rows 10 cols
[2024-06-01 02:03:09] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 02:03:09] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 02:03:09] [INFO ] Invariant cache hit.
[2024-06-01 02:03:09] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2024-06-01 02:03:09] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-06-01 02:03:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/17 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/17 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/17 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 20 constraints, problems are : Problem set: 0 solved, 6 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 181ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/23 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 250 ms. Remains : 10/23 places, 7/18 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-04
Stuttering criterion allowed to conclude after 28116 steps with 0 reset in 24 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-04 finished in 324 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U p1))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 21 transition count 11
Reduce places removed 7 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 8 rules applied. Total rules applied 17 place count 14 transition count 10
Reduce places removed 1 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 2 rules applied. Total rules applied 19 place count 12 transition count 10
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 19 place count 12 transition count 9
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 21 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 23 place count 10 transition count 8
Applied a total of 23 rules in 13 ms. Remains 10 /23 variables (removed 13) and now considering 8/18 (removed 10) transitions.
// Phase 1: matrix 8 rows 10 cols
[2024-06-01 02:03:09] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 02:03:09] [INFO ] Implicit Places using invariants in 31 ms returned []
[2024-06-01 02:03:09] [INFO ] Invariant cache hit.
[2024-06-01 02:03:09] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2024-06-01 02:03:09] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2024-06-01 02:03:09] [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 82 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 66 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 157ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 157ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/23 places, 8/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 245 ms. Remains : 10/23 places, 8/18 transitions.
Stuttering acceptance computed with spot in 65 ms :[(NOT p1), true, (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-05
Entered a terminal (fully accepting) state of product in 5507 steps with 0 reset in 10 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-05 finished in 341 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 1 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 22 transition count 18
Applied a total of 1 rules in 1 ms. Remains 22 /23 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2024-06-01 02:03:09] [INFO ] Computed 5 invariants in 0 ms
[2024-06-01 02:03:09] [INFO ] Implicit Places using invariants in 21 ms returned [20]
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 : 21/23 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.
Finished structural reductions in LTL mode , in 2 iterations and 23 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 144 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-06
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-06 finished in 178 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(F(p1))||G(p2)))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 21 transition count 10
Reduce places removed 8 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 1 with 9 rules applied. Total rules applied 19 place count 12 transition count 10
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 19 place count 12 transition count 8
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 23 place count 10 transition count 8
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 27 place count 8 transition count 6
Applied a total of 27 rules in 5 ms. Remains 8 /23 variables (removed 15) and now considering 6/18 (removed 12) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-06-01 02:03:10] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 02:03:10] [INFO ] Implicit Places using invariants in 25 ms returned [7]
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 : 7/23 places, 6/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32 ms. Remains : 7/23 places, 6/18 transitions.
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-07
Product exploration explored 100000 steps with 3044 reset in 117 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-07 finished in 236 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p0))||(F(p0)&&X((p0 U (p1||G(p0))))))))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 02:03:10] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 02:03:10] [INFO ] Implicit Places using invariants in 23 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 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 25 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-08
Product exploration explored 100000 steps with 2602 reset in 109 ms.
Product exploration explored 100000 steps with 2596 reset in 117 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 (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 116 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 379 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), false, false, false]
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40049 steps (13 resets) in 38 ms. (1026 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 1/1 properties
// Phase 1: matrix 18 rows 20 cols
[2024-06-01 02:03:11] [INFO ] Computed 3 invariants in 0 ms
Problem apf3 is UNSAT
After SMT solving in domain Real declared 4/38 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 13 ms.
Refiners :[Positive P Invariants (semi-flows): 0/3 constraints, State Equation: 0/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 16ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 8 factoid took 236 ms. Reduced automaton from 6 states, 15 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 207 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
Stuttering acceptance computed with spot in 193 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
[2024-06-01 02:03:11] [INFO ] Invariant cache hit.
[2024-06-01 02:03:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 02:03:12] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-06-01 02:03:12] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 02:03:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 02:03:12] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-06-01 02:03:12] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 02:03:12] [INFO ] Added : 15 causal constraints over 3 iterations in 11 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
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 5 rules applied. Total rules applied 5 place count 20 transition count 13
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 15 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 10 place count 15 transition count 11
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 13 transition count 11
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 16 place count 12 transition count 10
Applied a total of 16 rules in 2 ms. Remains 12 /20 variables (removed 8) and now considering 10/18 (removed 8) transitions.
// Phase 1: matrix 10 rows 12 cols
[2024-06-01 02:03:12] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 02:03:12] [INFO ] Implicit Places using invariants in 22 ms returned [11]
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 1 : 11/20 places, 10/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 27 ms. Remains : 11/20 places, 10/18 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 p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 107 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 213 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 40084 steps (17 resets) in 17 ms. (2226 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
// Phase 1: matrix 10 rows 11 cols
[2024-06-01 02:03:12] [INFO ] Computed 2 invariants in 0 ms
Problem apf1 is UNSAT
After SMT solving in domain Real declared 4/21 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 12 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 16ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (X (X (NOT p0))), (G (OR (NOT p1) p0))]
False Knowledge obtained : [(F p1), (F (NOT (OR (NOT p1) (NOT p0)))), (F p0)]
Knowledge based reduction with 10 factoid took 221 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 216 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
Stuttering acceptance computed with spot in 174 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
[2024-06-01 02:03:13] [INFO ] Invariant cache hit.
[2024-06-01 02:03:13] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 02:03:13] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 02:03:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 02:03:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 02:03:13] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 02:03:13] [INFO ] Computed and/alt/rep : 9/9/9 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 02:03:13] [INFO ] Added : 8 causal constraints over 2 iterations in 8 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 184 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
Product exploration explored 100000 steps with 15174 reset in 59 ms.
Product exploration explored 100000 steps with 15113 reset in 55 ms.
Support contains 4 out of 11 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 11/11 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2024-06-01 02:03:13] [INFO ] Invariant cache hit.
[2024-06-01 02:03:13] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-06-01 02:03:13] [INFO ] Invariant cache hit.
[2024-06-01 02:03:13] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2024-06-01 02:03:13] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2024-06-01 02:03:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10/21 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 21/21 variables, and 13 constraints, problems are : Problem set: 0 solved, 9 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10/21 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 0/21 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 21/21 variables, and 22 constraints, problems are : Problem set: 0 solved, 9 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 136ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 136ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 186 ms. Remains : 11/11 places, 10/10 transitions.
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-08 finished in 3355 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 21 transition count 10
Reduce places removed 8 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 9 rules applied. Total rules applied 19 place count 13 transition count 9
Reduce places removed 1 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 2 rules applied. Total rules applied 21 place count 11 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 21 place count 11 transition count 7
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 25 place count 9 transition count 7
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 29 place count 7 transition count 5
Applied a total of 29 rules in 3 ms. Remains 7 /23 variables (removed 16) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 7 cols
[2024-06-01 02:03:13] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 02:03:13] [INFO ] Implicit Places using invariants in 16 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 17 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/23 places, 5/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 21 ms. Remains : 6/23 places, 5/18 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-09
Stuttering criterion allowed to conclude after 31213 steps with 0 reset in 27 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-09 finished in 94 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(X(X(!p0))||G(p1))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 02:03:13] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 02:03:13] [INFO ] Implicit Places using invariants in 34 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 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 37 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 264 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p1) p0), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-10
Product exploration explored 100000 steps with 1109 reset in 100 ms.
Product exploration explored 100000 steps with 1195 reset in 114 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) p1), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 153 ms. Reduced automaton from 8 states, 13 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1636 steps (0 resets) in 4 ms. (327 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1))), (F p0)]
Knowledge based reduction with 6 factoid took 135 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
// Phase 1: matrix 18 rows 20 cols
[2024-06-01 02:03:14] [INFO ] Computed 3 invariants in 1 ms
Proved EG (NOT p0)
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1))), (F p0), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 6 factoid took 221 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-10 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-10 finished in 1303 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(G(p0))))'
Support contains 1 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 02:03:15] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 02:03:15] [INFO ] Implicit Places using invariants in 24 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 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 32 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 184 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-12 finished in 235 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&(F(p1)||(X(p2)&&G(!p0))))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2024-06-01 02:03:15] [INFO ] Invariant cache hit.
[2024-06-01 02:03:15] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 02:03:15] [INFO ] Invariant cache hit.
[2024-06-01 02:03:15] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-06-01 02:03:15] [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 168 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 164 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 352ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 353ms
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 440 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 291 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-13 finished in 742 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 0 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2024-06-01 02:03:16] [INFO ] Invariant cache hit.
[2024-06-01 02:03:16] [INFO ] Implicit Places using invariants in 29 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 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 31 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-14
Product exploration explored 100000 steps with 1102 reset in 105 ms.
Product exploration explored 100000 steps with 1092 reset in 102 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 7226 steps (2 resets) in 6 ms. (1032 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
// Phase 1: matrix 18 rows 20 cols
[2024-06-01 02:03:16] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 02:03:16] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 02:03:16] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 02:03:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 02:03:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-06-01 02:03:16] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 02:03:16] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 02:03:16] [INFO ] Added : 15 causal constraints over 3 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 20 transition count 8
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 10 transition count 8
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 20 place count 10 transition count 5
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 26 place count 7 transition count 5
Applied a total of 26 rules in 3 ms. Remains 7 /20 variables (removed 13) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 7 cols
[2024-06-01 02:03:16] [INFO ] Computed 3 invariants in 3 ms
[2024-06-01 02:03:17] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-06-01 02:03:17] [INFO ] Invariant cache hit.
[2024-06-01 02:03:17] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2024-06-01 02:03:17] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 02:03:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 86ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 86ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/20 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 140 ms. Remains : 7/20 places, 5/18 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1096 steps (1 resets) in 5 ms. (182 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
[2024-06-01 02:03:17] [INFO ] Invariant cache hit.
[2024-06-01 02:03:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 02:03:17] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-06-01 02:03:17] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 02:03:17] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10312 reset in 57 ms.
Product exploration explored 100000 steps with 10227 reset in 54 ms.
Support contains 1 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2024-06-01 02:03:17] [INFO ] Invariant cache hit.
[2024-06-01 02:03:17] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-06-01 02:03:17] [INFO ] Invariant cache hit.
[2024-06-01 02:03:17] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2024-06-01 02:03:17] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 02:03:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 74ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 74ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 139 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-14 finished in 1875 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&&G(F(p2)))))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 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 21 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 7 rules applied. Total rules applied 13 place count 17 transition count 11
Reduce places removed 3 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 4 rules applied. Total rules applied 17 place count 13 transition count 11
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 17 place count 13 transition count 10
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 19 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 3 with 2 rules applied. Total rules applied 21 place count 11 transition count 9
Applied a total of 21 rules in 5 ms. Remains 11 /23 variables (removed 12) and now considering 9/18 (removed 9) transitions.
// Phase 1: matrix 9 rows 11 cols
[2024-06-01 02:03:17] [INFO ] Computed 3 invariants in 3 ms
[2024-06-01 02:03:17] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-06-01 02:03:17] [INFO ] Invariant cache hit.
[2024-06-01 02:03:18] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2024-06-01 02:03:18] [INFO ] Redundant transitions in 0 ms returned []
Running 8 sub problems to find dead transitions.
[2024-06-01 02:03:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/11 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 9/20 variables, 11/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 8 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/11 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 9/20 variables, 11/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 8/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 22 constraints, problems are : Problem set: 0 solved, 8 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 138ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 138ms
Starting structural reductions in SI_LTL mode, iteration 1 : 11/23 places, 9/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 203 ms. Remains : 11/23 places, 9/18 transitions.
Stuttering acceptance computed with spot in 156 ms :[(OR (NOT p1) (NOT p2)), (NOT p0), (NOT p2), (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-15
Product exploration explored 100000 steps with 547 reset in 85 ms.
Stack based approach found an accepted trace after 339 steps with 17 reset with depth 20 and stack size 20 in 1 ms.
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-15 finished in 465 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p0))||(F(p0)&&X((p0 U (p1||G(p0))))))))'
Found a Shortening insensitive property : ClientsAndServers-PT-N0020P4-LTLCardinality-08
Stuttering acceptance computed with spot in 130 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 23/23 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 21 transition count 13
Reduce places removed 5 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 15 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 13 place count 15 transition count 11
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 17 place count 13 transition count 11
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 19 place count 12 transition count 10
Applied a total of 19 rules in 5 ms. Remains 12 /23 variables (removed 11) and now considering 10/18 (removed 8) transitions.
// Phase 1: matrix 10 rows 12 cols
[2024-06-01 02:03:18] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 02:03:18] [INFO ] Implicit Places using invariants in 22 ms returned [11]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 11/23 places, 10/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 29 ms. Remains : 11/23 places, 10/18 transitions.
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-08
Product exploration explored 100000 steps with 15139 reset in 53 ms.
Product exploration explored 100000 steps with 15152 reset in 58 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 (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 95 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 314 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), false, false, false]
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40109 steps (24 resets) in 13 ms. (2864 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
// Phase 1: matrix 10 rows 11 cols
[2024-06-01 02:03:19] [INFO ] Computed 2 invariants in 0 ms
Problem apf3 is UNSAT
After SMT solving in domain Real declared 4/21 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 13 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 16ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 8 factoid took 276 ms. Reduced automaton from 6 states, 15 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 200 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
Stuttering acceptance computed with spot in 220 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
[2024-06-01 02:03:20] [INFO ] Invariant cache hit.
[2024-06-01 02:03:20] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 02:03:20] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 02:03:20] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 02:03:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 02:03:20] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-06-01 02:03:20] [INFO ] Computed and/alt/rep : 9/9/9 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 02:03:20] [INFO ] Added : 8 causal constraints over 2 iterations in 23 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 4 out of 11 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 11/11 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2024-06-01 02:03:20] [INFO ] Invariant cache hit.
[2024-06-01 02:03:20] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 02:03:20] [INFO ] Invariant cache hit.
[2024-06-01 02:03:20] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2024-06-01 02:03:20] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2024-06-01 02:03:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10/21 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 21/21 variables, and 13 constraints, problems are : Problem set: 0 solved, 9 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10/21 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 0/21 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 21/21 variables, and 22 constraints, problems are : Problem set: 0 solved, 9 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 180ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 234 ms. Remains : 11/11 places, 10/10 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 p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 151 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 189 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 40081 steps (25 resets) in 11 ms. (3340 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
[2024-06-01 02:03:20] [INFO ] Invariant cache hit.
Problem apf1 is UNSAT
After SMT solving in domain Real declared 4/21 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 15 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 19ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (X (X (NOT p0))), (G (OR (NOT p1) p0))]
False Knowledge obtained : [(F p1), (F (NOT (OR (NOT p1) (NOT p0)))), (F p0)]
Knowledge based reduction with 10 factoid took 514 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 214 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
Stuttering acceptance computed with spot in 175 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
[2024-06-01 02:03:21] [INFO ] Invariant cache hit.
[2024-06-01 02:03:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 02:03:21] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-06-01 02:03:21] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 02:03:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 02:03:21] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 02:03:21] [INFO ] Computed and/alt/rep : 9/9/9 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 02:03:21] [INFO ] Added : 8 causal constraints over 2 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 217 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false]
Product exploration explored 100000 steps with 15077 reset in 61 ms.
Product exploration explored 100000 steps with 15057 reset in 56 ms.
Support contains 4 out of 11 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 11/11 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2024-06-01 02:03:22] [INFO ] Invariant cache hit.
[2024-06-01 02:03:22] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 02:03:22] [INFO ] Invariant cache hit.
[2024-06-01 02:03:22] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2024-06-01 02:03:22] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2024-06-01 02:03:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10/21 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 21/21 variables, and 13 constraints, problems are : Problem set: 0 solved, 9 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10/21 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 0/21 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 21/21 variables, and 22 constraints, problems are : Problem set: 0 solved, 9 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 107ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 108ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 165 ms. Remains : 11/11 places, 10/10 transitions.
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-08 finished in 3845 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)))'
Found a Shortening insensitive property : ClientsAndServers-PT-N0020P4-LTLCardinality-14
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 23 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 21 transition count 8
Reduce places removed 10 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 1 with 11 rules applied. Total rules applied 23 place count 10 transition count 8
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 23 place count 10 transition count 5
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 29 place count 7 transition count 5
Applied a total of 29 rules in 5 ms. Remains 7 /23 variables (removed 16) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 7 cols
[2024-06-01 02:03:22] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 02:03:22] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-06-01 02:03:22] [INFO ] Invariant cache hit.
[2024-06-01 02:03:22] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 4 sub problems to find dead transitions.
[2024-06-01 02:03:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 69ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 70ms
Starting structural reductions in LI_LTL mode, iteration 1 : 7/23 places, 5/18 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 131 ms. Remains : 7/23 places, 5/18 transitions.
Running random walk in product with property : ClientsAndServers-PT-N0020P4-LTLCardinality-14
Product exploration explored 100000 steps with 10203 reset in 49 ms.
Product exploration explored 100000 steps with 10242 reset in 54 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1016 steps (1 resets) in 4 ms. (203 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 124 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
[2024-06-01 02:03:23] [INFO ] Invariant cache hit.
[2024-06-01 02:03:23] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-06-01 02:03:23] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-06-01 02:03:23] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 02:03:23] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2024-06-01 02:03:23] [INFO ] Invariant cache hit.
[2024-06-01 02:03:23] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-06-01 02:03:23] [INFO ] Invariant cache hit.
[2024-06-01 02:03:23] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2024-06-01 02:03:23] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 02:03:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 87ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 87ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 138 ms. Remains : 7/7 places, 5/5 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 113 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 850 steps (1 resets) in 4 ms. (170 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 109 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
[2024-06-01 02:03:23] [INFO ] Invariant cache hit.
[2024-06-01 02:03:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 02:03:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 02:03:23] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 02:03:23] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10214 reset in 59 ms.
Product exploration explored 100000 steps with 10230 reset in 56 ms.
Support contains 1 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2024-06-01 02:03:24] [INFO ] Invariant cache hit.
[2024-06-01 02:03:24] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 02:03:24] [INFO ] Invariant cache hit.
[2024-06-01 02:03:24] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2024-06-01 02:03:24] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 02:03:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 74ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 74ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 122 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property ClientsAndServers-PT-N0020P4-LTLCardinality-14 finished in 1905 ms.
[2024-06-01 02:03:24] [INFO ] Flatten gal took : 3 ms
[2024-06-01 02:03:24] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 3 ms.
[2024-06-01 02:03:24] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 23 places, 18 transitions and 48 arcs took 4 ms.
Total runtime 19799 ms.
There are residual formulas that ITS could not solve within timeout
Could not compute solution for formula : ClientsAndServers-PT-N0020P4-LTLCardinality-08
FORMULA ClientsAndServers-PT-N0020P4-LTLCardinality-14 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717207414140

--------------------
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 LTLCardinality -timeout 360 -rebuildPNML
mcc2024
ltl formula name ClientsAndServers-PT-N0020P4-LTLCardinality-08
ltl formula formula --ltl=/tmp/1823/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 23 places, 18 transitions and 48 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1823/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1823/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1823/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1823/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 25 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 24, there are 23 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 2/ 4): ~1178 levels ~10000 states ~16648 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~20000 states ~44912 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~40000 states ~93376 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~80000 states ~193868 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~160000 states ~400144 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~320000 states ~817300 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~640000 states ~1678044 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~1280000 states ~3418980 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~2560000 states ~6927272 transitions
pnml2lts-mc( 0/ 4): ~1177 levels ~5120000 states ~14051340 transitions
pnml2lts-mc( 3/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 7902460
pnml2lts-mc( 0/ 4): unique states count: 7906757
pnml2lts-mc( 0/ 4): unique transitions count: 23138622
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 15255080
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 7915941
pnml2lts-mc( 0/ 4): - cum. max stack depth: 4697
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 7915941 states 23186708 transitions, fanout: 2.929
pnml2lts-mc( 0/ 4): Total exploration time 9.170 sec (9.150 sec minimum, 9.157 sec on average)
pnml2lts-mc( 0/ 4): States per second: 863243, Transitions per second: 2528540
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 124.4MB, 16.5 B/state, compr.: 16.8%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 23.0%/99.0%
pnml2lts-mc( 0/ 4): Stored 18 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 124.4MB (~256.0MB paged-in)
ltl formula name ClientsAndServers-PT-N0020P4-LTLCardinality-14
ltl formula formula --ltl=/tmp/1823/ltl_1_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 23 places, 18 transitions and 48 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1823/ltl_1_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1823/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1823/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1823/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 25 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 24, there are 20 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Accepting cycle FOUND at depth ~1289!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 692
pnml2lts-mc( 0/ 4): unique states count: 4789
pnml2lts-mc( 0/ 4): unique transitions count: 11751
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 108
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 4799
pnml2lts-mc( 0/ 4): - cum. max stack depth: 4110
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 4799 states 11772 transitions, fanout: 2.453
pnml2lts-mc( 0/ 4): Total exploration time 0.060 sec (0.060 sec minimum, 0.060 sec on average)
pnml2lts-mc( 0/ 4): States per second: 79983, Transitions per second: 196200
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.3MB, 25.6 B/state, compr.: 26.1%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 18 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.3MB (~256.0MB paged-in)

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-N0020P4"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is ClientsAndServers-PT-N0020P4, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r476-tall-171620505900475"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0020P4.tgz
mv ClientsAndServers-PT-N0020P4 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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