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.r333-tall-171679078200316.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is RwMutex-PT-r0020w0010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r333-tall-171679078200316
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 8.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 07:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 07:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 23 07:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 13 06:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 171K Apr 13 06:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Apr 13 06:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Apr 13 06:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 11 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 47K May 18 16:43 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-00
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-01
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-02
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-03
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-04
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-05
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-06
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-07
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-08
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-09
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-10
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-11
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-12
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-13
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-14
FORMULA_NAME RwMutex-PT-r0020w0010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716839096061

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RwMutex-PT-r0020w0010
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-27 19:44:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-27 19:44:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 19:44:57] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2024-05-27 19:44:57] [INFO ] Transformed 80 places.
[2024-05-27 19:44:57] [INFO ] Transformed 60 transitions.
[2024-05-27 19:44:57] [INFO ] Found NUPN structural information;
[2024-05-27 19:44:57] [INFO ] Parsed PT model containing 80 places and 60 transitions and 560 arcs in 161 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0020w0010-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 47 out of 80 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 80/80 places, 60/60 transitions.
Applied a total of 0 rules in 10 ms. Remains 80 /80 variables (removed 0) and now considering 60/60 (removed 0) transitions.
// Phase 1: matrix 60 rows 80 cols
[2024-05-27 19:44:57] [INFO ] Computed 50 invariants in 8 ms
[2024-05-27 19:44:57] [INFO ] Implicit Places using invariants in 202 ms returned [5, 6, 9, 10, 12, 13, 14, 15, 17, 19, 24, 44, 77]
Discarding 13 places :
Implicit Place search using SMT only with invariants took 241 ms to find 13 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 67/80 places, 60/60 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 65 transition count 58
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 65 transition count 58
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 65 transition count 56
Applied a total of 6 rules in 10 ms. Remains 65 /67 variables (removed 2) and now considering 56/60 (removed 4) transitions.
// Phase 1: matrix 56 rows 65 cols
[2024-05-27 19:44:57] [INFO ] Computed 37 invariants in 2 ms
[2024-05-27 19:44:57] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-27 19:44:57] [INFO ] Invariant cache hit.
[2024-05-27 19:44:57] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 65/80 places, 56/60 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 389 ms. Remains : 65/80 places, 56/60 transitions.
Support contains 47 out of 65 places after structural reductions.
[2024-05-27 19:44:58] [INFO ] Flatten gal took : 31 ms
[2024-05-27 19:44:58] [INFO ] Flatten gal took : 19 ms
[2024-05-27 19:44:58] [INFO ] Input system was already deterministic with 56 transitions.
Reduction of identical properties reduced properties to check from 31 to 30
RANDOM walk for 40000 steps (8 resets) in 1568 ms. (25 steps per ms) remains 5/30 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 3/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 222 ms. (179 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 2/2 properties
[2024-05-27 19:44:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp29 is UNSAT
After SMT solving in domain Real declared 51/121 variables, and 23 constraints, problems are : Problem set: 2 solved, 0 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 23/37 constraints, State Equation: 0/65 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 178ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA RwMutex-PT-r0020w0010-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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)||X(F(p1))))))'
Support contains 22 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 3 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:44:59] [INFO ] Computed 37 invariants in 1 ms
[2024-05-27 19:44:59] [INFO ] Implicit Places using invariants in 55 ms returned [1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 22, 43, 54, 62]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 56 ms to find 15 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 48/65 places, 52/56 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 44 transition count 48
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 44 transition count 48
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 12 place count 44 transition count 44
Applied a total of 12 rules in 2 ms. Remains 44 /48 variables (removed 4) and now considering 44/52 (removed 8) transitions.
// Phase 1: matrix 44 rows 44 cols
[2024-05-27 19:44:59] [INFO ] Computed 22 invariants in 0 ms
[2024-05-27 19:44:59] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-27 19:44:59] [INFO ] Invariant cache hit.
[2024-05-27 19:44:59] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 44/65 places, 44/56 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 132 ms. Remains : 44/65 places, 44/56 transitions.
Stuttering acceptance computed with spot in 308 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-00
Product exploration explored 100000 steps with 25000 reset in 291 ms.
Product exploration explored 100000 steps with 25000 reset in 229 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 135 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 195 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (8 resets) in 219 ms. (181 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 357 ms. (111 steps per ms) remains 1/1 properties
[2024-05-27 19:45:01] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/44 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/88 variables, 44/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 66 constraints, problems are : Problem set: 0 solved, 1 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf2 is UNSAT
After SMT solving in domain Int declared 44/88 variables, and 22 constraints, problems are : Problem set: 1 solved, 0 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 0/44 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 107ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p0), (G (OR p0 p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p1), (F (NOT p0)), (F (NOT (AND p0 (NOT p1))))]
Knowledge based reduction with 2 factoid took 196 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 156 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 173 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 22 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 44/44 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:01] [INFO ] Invariant cache hit.
[2024-05-27 19:45:01] [INFO ] Implicit Places using invariants in 37 ms returned []
[2024-05-27 19:45:01] [INFO ] Invariant cache hit.
[2024-05-27 19:45:01] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 22/44 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/88 variables, 44/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 66 constraints, problems are : Problem set: 0 solved, 22 unsolved in 278 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 22/44 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/88 variables, 44/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 22/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/88 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 88 constraints, problems are : Problem set: 0 solved, 22 unsolved in 182 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 465ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 473ms
Finished structural reductions in LTL mode , in 1 iterations and 561 ms. Remains : 44/44 places, 44/44 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 p1) p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 134 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 132 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 57 steps (0 resets) in 5 ms. (9 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p0)), (F p1)]
Knowledge based reduction with 1 factoid took 181 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 148 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 152 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 161 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 32384 reset in 213 ms.
Product exploration explored 100000 steps with 32389 reset in 142 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 164 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 22 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 44/44 transitions.
Applied a total of 0 rules in 6 ms. Remains 44 /44 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:03] [INFO ] Redundant transitions in 0 ms returned []
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 22/44 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/88 variables, 44/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 66 constraints, problems are : Problem set: 0 solved, 22 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 22/44 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/88 variables, 44/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 22/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/88 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 88 constraints, problems are : Problem set: 0 solved, 22 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 365ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 366ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 379 ms. Remains : 44/44 places, 44/44 transitions.
Support contains 22 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 44/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:04] [INFO ] Invariant cache hit.
[2024-05-27 19:45:04] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-27 19:45:04] [INFO ] Invariant cache hit.
[2024-05-27 19:45:04] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 22/44 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/88 variables, 44/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 66 constraints, problems are : Problem set: 0 solved, 22 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 22/44 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/88 variables, 44/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 22/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/88 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 88 constraints, problems are : Problem set: 0 solved, 22 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 370ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 371ms
Finished structural reductions in LTL mode , in 1 iterations and 436 ms. Remains : 44/44 places, 44/44 transitions.
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-00 finished in 5261 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 3 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Graph (trivial) has 14 edges and 65 vertex of which 14 / 65 are part of one of the 7 SCC in 3 ms
Free SCC test removed 7 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 58 transition count 38
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 34 place count 36 transition count 38
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 34 transition count 36
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 34 transition count 36
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 40 place count 34 transition count 34
Applied a total of 40 rules in 20 ms. Remains 34 /65 variables (removed 31) and now considering 34/56 (removed 22) transitions.
[2024-05-27 19:45:04] [INFO ] Flow matrix only has 17 transitions (discarded 17 similar events)
// Phase 1: matrix 17 rows 34 cols
[2024-05-27 19:45:04] [INFO ] Computed 26 invariants in 0 ms
[2024-05-27 19:45:04] [INFO ] Implicit Places using invariants in 31 ms returned [1, 2, 3, 4, 5]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 34 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/65 places, 34/56 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 24 transition count 29
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 24 transition count 29
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 24 transition count 24
Applied a total of 15 rules in 3 ms. Remains 24 /29 variables (removed 5) and now considering 24/34 (removed 10) transitions.
[2024-05-27 19:45:04] [INFO ] Flow matrix only has 7 transitions (discarded 17 similar events)
// Phase 1: matrix 7 rows 24 cols
[2024-05-27 19:45:04] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 19:45:04] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-27 19:45:04] [INFO ] Flow matrix only has 7 transitions (discarded 17 similar events)
[2024-05-27 19:45:04] [INFO ] Invariant cache hit.
[2024-05-27 19:45:04] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 24/65 places, 24/56 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 104 ms. Remains : 24/65 places, 24/56 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-01 finished in 166 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 22 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 9 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:45:04] [INFO ] Computed 37 invariants in 1 ms
[2024-05-27 19:45:04] [INFO ] Implicit Places using invariants in 43 ms returned [1, 2, 3, 4, 5, 6, 7, 9, 11, 12, 13, 22, 43, 54, 62]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 44 ms to find 15 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 48/65 places, 52/56 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 45 transition count 49
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 45 transition count 49
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 9 place count 45 transition count 46
Applied a total of 9 rules in 4 ms. Remains 45 /48 variables (removed 3) and now considering 46/52 (removed 6) transitions.
// Phase 1: matrix 46 rows 45 cols
[2024-05-27 19:45:04] [INFO ] Computed 22 invariants in 1 ms
[2024-05-27 19:45:04] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-27 19:45:04] [INFO ] Invariant cache hit.
[2024-05-27 19:45:05] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 45/65 places, 46/56 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 122 ms. Remains : 45/65 places, 46/56 transitions.
Stuttering acceptance computed with spot in 127 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-02
Product exploration explored 100000 steps with 1 reset in 232 ms.
Stack based approach found an accepted trace after 68389 steps with 0 reset with depth 68390 and stack size 5557 in 250 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-02 finished in 749 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 G((p0 U X(p1)))))'
Support contains 3 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 5 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:45:05] [INFO ] Computed 37 invariants in 2 ms
[2024-05-27 19:45:05] [INFO ] Implicit Places using invariants in 56 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 22, 43, 54]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 57 ms to find 16 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/65 places, 52/56 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 42 transition count 47
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 42 transition count 47
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 42 transition count 42
Applied a total of 15 rules in 1 ms. Remains 42 /47 variables (removed 5) and now considering 42/52 (removed 10) transitions.
// Phase 1: matrix 42 rows 42 cols
[2024-05-27 19:45:05] [INFO ] Computed 21 invariants in 0 ms
[2024-05-27 19:45:05] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-27 19:45:05] [INFO ] Invariant cache hit.
[2024-05-27 19:45:05] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 42/65 places, 42/56 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 134 ms. Remains : 42/65 places, 42/56 transitions.
Stuttering acceptance computed with spot in 198 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (AND p0 p1)]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-03
Entered a terminal (fully accepting) state of product in 6 steps with 1 reset in 0 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-03 finished in 355 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((X(p0)&&F((p0&&X(!p1))))||G(p0))))'
Support contains 22 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 5 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:45:06] [INFO ] Computed 37 invariants in 1 ms
[2024-05-27 19:45:06] [INFO ] Implicit Places using invariants in 43 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 22, 43, 54, 62]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 44 ms to find 16 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/65 places, 52/56 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 44 transition count 49
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 44 transition count 49
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 9 place count 44 transition count 46
Applied a total of 9 rules in 1 ms. Remains 44 /47 variables (removed 3) and now considering 46/52 (removed 6) transitions.
// Phase 1: matrix 46 rows 44 cols
[2024-05-27 19:45:06] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 19:45:06] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-27 19:45:06] [INFO ] Invariant cache hit.
[2024-05-27 19:45:06] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 44/65 places, 46/56 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 106 ms. Remains : 44/65 places, 46/56 transitions.
Stuttering acceptance computed with spot in 174 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1)]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 221 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 0 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-04 finished in 520 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((F((G(p0)&&X(F(p1))))&&(p2||F(p3)))))'
Support contains 6 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 64 transition count 55
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 64 transition count 55
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 64 transition count 54
Applied a total of 3 rules in 4 ms. Remains 64 /65 variables (removed 1) and now considering 54/56 (removed 2) transitions.
// Phase 1: matrix 54 rows 64 cols
[2024-05-27 19:45:06] [INFO ] Computed 37 invariants in 1 ms
[2024-05-27 19:45:06] [INFO ] Implicit Places using invariants in 53 ms returned [1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 22, 43, 54]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 54 ms to find 15 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/65 places, 54/56 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 44 transition count 49
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 44 transition count 49
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 44 transition count 44
Applied a total of 15 rules in 2 ms. Remains 44 /49 variables (removed 5) and now considering 44/54 (removed 10) transitions.
// Phase 1: matrix 44 rows 44 cols
[2024-05-27 19:45:06] [INFO ] Computed 22 invariants in 0 ms
[2024-05-27 19:45:06] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-27 19:45:06] [INFO ] Invariant cache hit.
[2024-05-27 19:45:06] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 44/65 places, 44/56 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 122 ms. Remains : 44/65 places, 44/56 transitions.
Stuttering acceptance computed with spot in 335 ms :[(OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (NOT p0), (NOT p1), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p3)), (AND (NOT p3) (NOT p1))]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-07
Product exploration explored 100000 steps with 1302 reset in 222 ms.
Stack based approach found an accepted trace after 71 steps with 3 reset with depth 6 and stack size 6 in 0 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-07 finished in 703 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||(F((G(p1)||G(p0)))&&(G(p1)||X(p2))))))'
Support contains 5 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 4 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:45:07] [INFO ] Computed 37 invariants in 1 ms
[2024-05-27 19:45:07] [INFO ] Implicit Places using invariants in 57 ms returned [1, 2, 3, 5, 7, 8, 9, 10, 11, 12, 13, 22, 43, 54, 62]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 58 ms to find 15 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 48/65 places, 52/56 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 43 transition count 47
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 43 transition count 47
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 43 transition count 42
Applied a total of 15 rules in 5 ms. Remains 43 /48 variables (removed 5) and now considering 42/52 (removed 10) transitions.
// Phase 1: matrix 42 rows 43 cols
[2024-05-27 19:45:07] [INFO ] Computed 22 invariants in 0 ms
[2024-05-27 19:45:07] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-27 19:45:07] [INFO ] Invariant cache hit.
[2024-05-27 19:45:07] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 43/65 places, 42/56 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 123 ms. Remains : 43/65 places, 42/56 transitions.
Stuttering acceptance computed with spot in 200 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2)), true, (NOT p1)]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-08
Product exploration explored 100000 steps with 0 reset in 241 ms.
Stack based approach found an accepted trace after 26 steps with 0 reset with depth 27 and stack size 25 in 1 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-08 finished in 597 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U !p1)||G(p2)||X(p3)))'
Support contains 7 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 9 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:45:07] [INFO ] Computed 37 invariants in 2 ms
[2024-05-27 19:45:07] [INFO ] Implicit Places using invariants in 53 ms returned [1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 13, 22, 54, 62]
Discarding 14 places :
Implicit Place search using SMT only with invariants took 54 ms to find 14 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/65 places, 52/56 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 45 transition count 48
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 45 transition count 48
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 12 place count 45 transition count 44
Applied a total of 12 rules in 5 ms. Remains 45 /49 variables (removed 4) and now considering 44/52 (removed 8) transitions.
// Phase 1: matrix 44 rows 45 cols
[2024-05-27 19:45:07] [INFO ] Computed 23 invariants in 0 ms
[2024-05-27 19:45:07] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-27 19:45:07] [INFO ] Invariant cache hit.
[2024-05-27 19:45:07] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 45/65 places, 44/56 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 135 ms. Remains : 45/65 places, 44/56 transitions.
Stuttering acceptance computed with spot in 277 ms :[true, (NOT p3), (AND p1 (NOT p3)), p1, (AND p1 (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND p1 (NOT p2) (NOT p3)), (NOT p2), (AND p1 (NOT p2))]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-09
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-09 finished in 433 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G((p1||F(p0)))))))'
Support contains 2 out of 65 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Graph (trivial) has 16 edges and 65 vertex of which 16 / 65 are part of one of the 8 SCC in 0 ms
Free SCC test removed 8 places
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 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 11 place count 57 transition count 38
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 31 place count 37 transition count 38
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 35 transition count 36
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 35 transition count 36
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 37 place count 35 transition count 34
Applied a total of 37 rules in 10 ms. Remains 35 /65 variables (removed 30) and now considering 34/56 (removed 22) transitions.
[2024-05-27 19:45:08] [INFO ] Flow matrix only has 17 transitions (discarded 17 similar events)
// Phase 1: matrix 17 rows 35 cols
[2024-05-27 19:45:08] [INFO ] Computed 27 invariants in 4 ms
[2024-05-27 19:45:08] [INFO ] Implicit Places using invariants in 34 ms returned [1, 3, 4, 5, 6, 7]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 41 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/65 places, 34/56 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 24 transition count 29
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 24 transition count 29
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 24 transition count 24
Applied a total of 15 rules in 2 ms. Remains 24 /29 variables (removed 5) and now considering 24/34 (removed 10) transitions.
[2024-05-27 19:45:08] [INFO ] Flow matrix only has 7 transitions (discarded 17 similar events)
// Phase 1: matrix 7 rows 24 cols
[2024-05-27 19:45:08] [INFO ] Computed 21 invariants in 0 ms
[2024-05-27 19:45:08] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-05-27 19:45:08] [INFO ] Flow matrix only has 7 transitions (discarded 17 similar events)
[2024-05-27 19:45:08] [INFO ] Invariant cache hit.
[2024-05-27 19:45:08] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 24/65 places, 24/56 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 115 ms. Remains : 24/65 places, 24/56 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-11
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 1 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-11 finished in 209 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(p1)||X(G(p2))||p0))))'
Support contains 22 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 3 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:45:08] [INFO ] Computed 37 invariants in 1 ms
[2024-05-27 19:45:08] [INFO ] Implicit Places using invariants in 45 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 22, 43, 54, 62]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 55 ms to find 16 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/65 places, 52/56 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 43 transition count 48
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 43 transition count 48
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 12 place count 43 transition count 44
Applied a total of 12 rules in 1 ms. Remains 43 /47 variables (removed 4) and now considering 44/52 (removed 8) transitions.
// Phase 1: matrix 44 rows 43 cols
[2024-05-27 19:45:08] [INFO ] Computed 21 invariants in 0 ms
[2024-05-27 19:45:08] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-27 19:45:08] [INFO ] Invariant cache hit.
[2024-05-27 19:45:08] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 43/65 places, 44/56 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 128 ms. Remains : 43/65 places, 44/56 transitions.
Stuttering acceptance computed with spot in 168 ms :[true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 275 ms.
Product exploration explored 100000 steps with 0 reset in 381 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p1 (NOT p2)))))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p2)), (X (X (NOT p2))), (X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 488 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 219 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 9 to 6
RANDOM walk for 40000 steps (8 resets) in 199 ms. (200 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 1/1 properties
[2024-05-27 19:45:10] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Real declared 43/87 variables, and 21 constraints, problems are : Problem set: 1 solved, 0 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 0/43 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 58ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p1 (NOT p2))))), (G (OR (NOT p1) p0)), (G (OR (NOT p1) p2))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p2)), (X (X (NOT p2))), (X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (AND (NOT p1) (NOT p0)))), (F p2), (F p0), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p1) (NOT p2)))), (F p1)]
Knowledge based reduction with 8 factoid took 663 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 136 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 100 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
[2024-05-27 19:45:11] [INFO ] Invariant cache hit.
[2024-05-27 19:45:11] [INFO ] [Real]Absence check using 21 positive place invariants in 5 ms returned sat
[2024-05-27 19:45:11] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-27 19:45:11] [INFO ] Computed and/alt/rep : 22/22/22 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-27 19:45:11] [INFO ] Added : 0 causal constraints over 0 iterations in 12 ms. Result :sat
Could not prove EG (AND (NOT p2) (NOT p0))
Support contains 21 out of 43 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 44/44 transitions.
Applied a total of 0 rules in 0 ms. Remains 43 /43 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:11] [INFO ] Invariant cache hit.
[2024-05-27 19:45:11] [INFO ] Implicit Places using invariants in 35 ms returned []
[2024-05-27 19:45:11] [INFO ] Invariant cache hit.
[2024-05-27 19:45:11] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 64 constraints, problems are : Problem set: 0 solved, 22 unsolved in 189 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 22/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 86 constraints, problems are : Problem set: 0 solved, 22 unsolved in 158 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 352ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 352ms
Finished structural reductions in LTL mode , in 1 iterations and 430 ms. Remains : 43/43 places, 44/44 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 p2) (NOT p0)), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (NOT p2))), (X (X p2))]
Knowledge based reduction with 2 factoid took 119 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 91 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Reduction of identical properties reduced properties to check from 2 to 1
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0)), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (NOT p2))), (X (X p2)), (F p0), (F p2)]
Knowledge based reduction with 2 factoid took 209 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 146 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 147 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
[2024-05-27 19:45:12] [INFO ] Invariant cache hit.
[2024-05-27 19:45:12] [INFO ] [Real]Absence check using 21 positive place invariants in 3 ms returned sat
[2024-05-27 19:45:12] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-27 19:45:12] [INFO ] Computed and/alt/rep : 22/22/22 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-27 19:45:12] [INFO ] Added : 0 causal constraints over 0 iterations in 7 ms. Result :sat
Could not prove EG (AND (NOT p2) (NOT p0))
Stuttering acceptance computed with spot in 139 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 0 reset in 239 ms.
Product exploration explored 100000 steps with 0 reset in 289 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 105 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Support contains 21 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 44/44 transitions.
Applied a total of 0 rules in 4 ms. Remains 43 /43 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:13] [INFO ] Redundant transitions in 0 ms returned []
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 64 constraints, problems are : Problem set: 0 solved, 22 unsolved in 190 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 22/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 86 constraints, problems are : Problem set: 0 solved, 22 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 341ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 342ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 353 ms. Remains : 43/43 places, 44/44 transitions.
Support contains 21 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 44/44 transitions.
Applied a total of 0 rules in 0 ms. Remains 43 /43 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:13] [INFO ] Invariant cache hit.
[2024-05-27 19:45:13] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-27 19:45:13] [INFO ] Invariant cache hit.
[2024-05-27 19:45:13] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 64 constraints, problems are : Problem set: 0 solved, 22 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 22/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 86 constraints, problems are : Problem set: 0 solved, 22 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 394ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 395ms
Finished structural reductions in LTL mode , in 1 iterations and 455 ms. Remains : 43/43 places, 44/44 transitions.
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-13 finished in 5896 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||(p1&&X(p2)))))'
Support contains 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 2 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:45:14] [INFO ] Computed 37 invariants in 0 ms
[2024-05-27 19:45:14] [INFO ] Implicit Places using invariants in 52 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 43, 54, 62]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 53 ms to find 16 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/65 places, 52/56 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 43 transition count 48
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 43 transition count 48
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 12 place count 43 transition count 44
Applied a total of 12 rules in 0 ms. Remains 43 /47 variables (removed 4) and now considering 44/52 (removed 8) transitions.
// Phase 1: matrix 44 rows 43 cols
[2024-05-27 19:45:14] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 19:45:14] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-27 19:45:14] [INFO ] Invariant cache hit.
[2024-05-27 19:45:14] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 43/65 places, 44/56 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 120 ms. Remains : 43/65 places, 44/56 transitions.
Stuttering acceptance computed with spot in 79 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-14
Product exploration explored 100000 steps with 9904 reset in 231 ms.
Stack based approach found an accepted trace after 21 steps with 4 reset with depth 3 and stack size 3 in 0 ms.
FORMULA RwMutex-PT-r0020w0010-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-14 finished in 446 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)||X(F(p1))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(p1)||X(G(p2))||p0))))'
Found a Lengthening insensitive property : RwMutex-PT-r0020w0010-LTLFireability-13
Stuttering acceptance computed with spot in 194 ms :[true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 22 out of 65 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 65/65 places, 56/56 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 63 transition count 54
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 63 transition count 54
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 63 transition count 52
Applied a total of 6 rules in 6 ms. Remains 63 /65 variables (removed 2) and now considering 52/56 (removed 4) transitions.
// Phase 1: matrix 52 rows 63 cols
[2024-05-27 19:45:15] [INFO ] Computed 37 invariants in 2 ms
[2024-05-27 19:45:15] [INFO ] Implicit Places using invariants in 51 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 22, 43, 54, 62]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 53 ms to find 16 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 47/65 places, 52/56 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 43 transition count 48
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 43 transition count 48
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 12 place count 43 transition count 44
Applied a total of 12 rules in 3 ms. Remains 43 /47 variables (removed 4) and now considering 44/52 (removed 8) transitions.
// Phase 1: matrix 44 rows 43 cols
[2024-05-27 19:45:15] [INFO ] Computed 21 invariants in 0 ms
[2024-05-27 19:45:15] [INFO ] Implicit Places using invariants in 37 ms returned []
[2024-05-27 19:45:15] [INFO ] Invariant cache hit.
[2024-05-27 19:45:15] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 43/65 places, 44/56 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 172 ms. Remains : 43/65 places, 44/56 transitions.
Running random walk in product with property : RwMutex-PT-r0020w0010-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 242 ms.
Product exploration explored 100000 steps with 0 reset in 257 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p1 (NOT p2)))))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p2)), (X (X (NOT p2))), (X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 562 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 225 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 9 to 6
RANDOM walk for 40000 steps (8 resets) in 164 ms. (242 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
[2024-05-27 19:45:16] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Real declared 43/87 variables, and 21 constraints, problems are : Problem set: 1 solved, 0 unsolved in 25 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 0/43 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 41ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p1 (NOT p2))))), (G (OR (NOT p1) p0)), (G (OR (NOT p1) p2))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p2)), (X (X (NOT p2))), (X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (AND (NOT p1) (NOT p0)))), (F p2), (F p0), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p1) (NOT p2)))), (F p1)]
Knowledge based reduction with 8 factoid took 844 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 119 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 134 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
[2024-05-27 19:45:17] [INFO ] Invariant cache hit.
[2024-05-27 19:45:17] [INFO ] [Real]Absence check using 21 positive place invariants in 3 ms returned sat
[2024-05-27 19:45:17] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-27 19:45:17] [INFO ] Computed and/alt/rep : 22/22/22 causal constraints (skipped 0 transitions) in 5 ms.
[2024-05-27 19:45:17] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Could not prove EG (AND (NOT p2) (NOT p0))
Support contains 21 out of 43 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 44/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:17] [INFO ] Invariant cache hit.
[2024-05-27 19:45:18] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-27 19:45:18] [INFO ] Invariant cache hit.
[2024-05-27 19:45:18] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 64 constraints, problems are : Problem set: 0 solved, 22 unsolved in 204 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 22/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 86 constraints, problems are : Problem set: 0 solved, 22 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 374ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 374ms
Finished structural reductions in LTL mode , in 1 iterations and 446 ms. Remains : 43/43 places, 44/44 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 p2) (NOT p0)), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (NOT p2))), (X (X p2))]
Knowledge based reduction with 2 factoid took 199 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 113 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Reduction of identical properties reduced properties to check from 2 to 1
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0)), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (NOT p2))), (X (X p2)), (F p0), (F p2)]
Knowledge based reduction with 2 factoid took 219 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 225 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
[2024-05-27 19:45:19] [INFO ] Invariant cache hit.
[2024-05-27 19:45:19] [INFO ] [Real]Absence check using 21 positive place invariants in 2 ms returned sat
[2024-05-27 19:45:19] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-27 19:45:19] [INFO ] Computed and/alt/rep : 22/22/22 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-27 19:45:19] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Could not prove EG (AND (NOT p2) (NOT p0))
Stuttering acceptance computed with spot in 137 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 0 reset in 221 ms.
Product exploration explored 100000 steps with 0 reset in 264 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 123 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Support contains 21 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 44/44 transitions.
Applied a total of 0 rules in 3 ms. Remains 43 /43 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:20] [INFO ] Redundant transitions in 1 ms returned []
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 64 constraints, problems are : Problem set: 0 solved, 22 unsolved in 192 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 22/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 86 constraints, problems are : Problem set: 0 solved, 22 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 358ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 358ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 371 ms. Remains : 43/43 places, 44/44 transitions.
Support contains 21 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 44/44 transitions.
Applied a total of 0 rules in 0 ms. Remains 43 /43 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2024-05-27 19:45:20] [INFO ] Invariant cache hit.
[2024-05-27 19:45:20] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-27 19:45:20] [INFO ] Invariant cache hit.
[2024-05-27 19:45:20] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2024-05-27 19:45:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 64 constraints, problems are : Problem set: 0 solved, 22 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 21/43 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 43/64 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 22/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 0/87 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 86 constraints, problems are : Problem set: 0 solved, 22 unsolved in 150 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 327ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 327ms
Finished structural reductions in LTL mode , in 1 iterations and 388 ms. Remains : 43/43 places, 44/44 transitions.
Treatment of property RwMutex-PT-r0020w0010-LTLFireability-13 finished in 6146 ms.
[2024-05-27 19:45:21] [INFO ] Flatten gal took : 10 ms
[2024-05-27 19:45:21] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-05-27 19:45:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 65 places, 56 transitions and 450 arcs took 4 ms.
Total runtime 23848 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running RwMutex-PT-r0020w0010

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/411/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 65
TRANSITIONS: 56
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.000s]


SAVING FILE /home/mcc/execution/411/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1780
MODEL NAME: /home/mcc/execution/411/model
65 places, 56 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA RwMutex-PT-r0020w0010-LTLFireability-00 CANNOT_COMPUTE
FORMULA RwMutex-PT-r0020w0010-LTLFireability-13 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716841073149

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
ERROR: Syntax error: Expected HOA:, got END-OF-FILE (line 1, col 0)

ERROR: std::bad_alloc

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="RwMutex-PT-r0020w0010"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is RwMutex-PT-r0020w0010, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r333-tall-171679078200316"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RwMutex-PT-r0020w0010.tgz
mv RwMutex-PT-r0020w0010 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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