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.r135-tall-171631131700707.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is DrinkVendingMachine-PT-02, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r135-tall-171631131700707
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 7.1K Apr 12 23:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 53K Apr 12 23:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 16K Apr 12 23:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 86K Apr 12 23:13 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 6.5K Apr 22 14:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 35K Apr 22 14:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Apr 22 14:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 32K Apr 22 14:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Apr 12 23:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 164K Apr 12 23:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 17K Apr 12 23:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Apr 12 23:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.9K Apr 22 14:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 51K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1716402152113

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DrinkVendingMachine-PT-02
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 18:22:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-22 18:22:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 18:22:33] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2024-05-22 18:22:33] [INFO ] Transformed 24 places.
[2024-05-22 18:22:33] [INFO ] Transformed 72 transitions.
[2024-05-22 18:22:33] [INFO ] Parsed PT model containing 24 places and 72 transitions and 440 arcs in 153 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 20 transitions
Reduce redundant transitions removed 20 transitions.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 52/52 transitions.
Applied a total of 0 rules in 6 ms. Remains 24 /24 variables (removed 0) and now considering 52/52 (removed 0) transitions.
Running 36 sub problems to find dead transitions.
// Phase 1: matrix 52 rows 24 cols
[2024-05-22 18:22:33] [INFO ] Computed 12 invariants in 3 ms
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD31 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 8/8 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 4/24 variables, 4/12 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 52/76 variables, 24/36 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/36 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/76 variables, 0/36 constraints. Problems are: Problem set: 24 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 76/76 variables, and 36 constraints, problems are : Problem set: 24 solved, 12 unsolved in 778 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 12/24 variables, 12/12 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 52/76 variables, 24/36 constraints. Problems are: Problem set: 24 solved, 12 unsolved
Problem TDEAD45 is UNSAT
Problem TDEAD48 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 12/48 constraints. Problems are: Problem set: 26 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/48 constraints. Problems are: Problem set: 26 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/76 variables, 0/48 constraints. Problems are: Problem set: 26 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 76/76 variables, and 48 constraints, problems are : Problem set: 26 solved, 10 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 12/36 constraints, Known Traps: 0/0 constraints]
After SMT, in 1133ms problems are : Problem set: 26 solved, 10 unsolved
Search for dead transitions found 26 dead transitions in 1151ms
Found 26 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 26 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 26 transitions.
// Phase 1: matrix 26 rows 24 cols
[2024-05-22 18:22:34] [INFO ] Computed 14 invariants in 1 ms
[2024-05-22 18:22:34] [INFO ] Implicit Places using invariants in 31 ms returned []
[2024-05-22 18:22:34] [INFO ] Invariant cache hit.
[2024-05-22 18:22:35] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/24 places, 26/52 transitions.
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 0 rules in 3 ms. Remains 24 /24 variables (removed 0) and now considering 26/26 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1545 ms. Remains : 24/24 places, 26/52 transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Support contains 20 out of 20 places after structural reductions.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-22 18:22:35] [INFO ] Flatten gal took : 37 ms
[2024-05-22 18:22:35] [INFO ] Flatten gal took : 6 ms
[2024-05-22 18:22:35] [INFO ] Input system was already deterministic with 26 transitions.
RANDOM walk for 40000 steps (8 resets) in 1580 ms. (25 steps per ms) remains 8/26 properties
BEST_FIRST walk for 40003 steps (8 resets) in 118 ms. (336 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 238 ms. (167 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 119 ms. (333 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 78 ms. (506 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 8/8 properties
// Phase 1: matrix 26 rows 20 cols
[2024-05-22 18:22:36] [INFO ] Computed 10 invariants in 1 ms
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp19 is UNSAT
Problem AtomicPropp21 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 6/6 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/6 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 4/10 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/30 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/46 variables, 0/30 constraints. Problems are: Problem set: 7 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 30 constraints, problems are : Problem set: 7 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 7 solved, 1 unsolved
Problem AtomicPropp11 is UNSAT
After SMT solving in domain Int declared 8/46 variables, and 4 constraints, problems are : Problem set: 8 solved, 0 unsolved in 22 ms.
Refiners :[Positive P Invariants (semi-flows): 4/10 constraints, State Equation: 0/20 constraints, PredecessorRefiner: 0/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 8 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 8 atomic propositions for a total of 11 simplifications.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-13 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' '!((F(p0)&&X(X(F(p1)))))'
Support contains 8 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 26/26 (removed 0) transitions.
[2024-05-22 18:22:37] [INFO ] Invariant cache hit.
[2024-05-22 18:22:37] [INFO ] Implicit Places using invariants in 74 ms returned []
[2024-05-22 18:22:37] [INFO ] Invariant cache hit.
[2024-05-22 18:22:37] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-05-22 18:22:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 30 constraints, problems are : Problem set: 0 solved, 10 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 40 constraints, problems are : Problem set: 0 solved, 10 unsolved in 237 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 387ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 387ms
Finished structural reductions in LTL mode , in 1 iterations and 511 ms. Remains : 20/20 places, 26/26 transitions.
Stuttering acceptance computed with spot in 379 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-PT-02-LTLCardinality-03
Product exploration explored 100000 steps with 31009 reset in 283 ms.
Product exploration explored 100000 steps with 31035 reset in 246 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 p0 (NOT p1)), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 169 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (NOT p0))), (X (X p0)), (F p1)]
Knowledge based reduction with 2 factoid took 167 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 103 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-22 18:22:39] [INFO ] Invariant cache hit.
[2024-05-22 18:22:39] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2024-05-22 18:22:39] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-22 18:22:39] [INFO ] Computed and/alt/rep : 10/48/10 causal constraints (skipped 0 transitions) in 5 ms.
[2024-05-22 18:22:39] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 6 out of 20 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 26/26 (removed 0) transitions.
[2024-05-22 18:22:39] [INFO ] Invariant cache hit.
[2024-05-22 18:22:39] [INFO ] Implicit Places using invariants in 102 ms returned []
[2024-05-22 18:22:39] [INFO ] Invariant cache hit.
[2024-05-22 18:22:39] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 163 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-05-22 18:22:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 30 constraints, problems are : Problem set: 0 solved, 10 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 40 constraints, problems are : Problem set: 0 solved, 10 unsolved in 179 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 346ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 346ms
Finished structural reductions in LTL mode , in 1 iterations and 510 ms. Remains : 20/20 places, 26/26 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p1)]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 1 factoid took 225 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 86 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1)]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 1 factoid took 137 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 86 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 95 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-22 18:22:40] [INFO ] Invariant cache hit.
[2024-05-22 18:22:40] [INFO ] [Real]Absence check using 10 positive place invariants in 1 ms returned sat
[2024-05-22 18:22:40] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-22 18:22:40] [INFO ] Computed and/alt/rep : 10/48/10 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-22 18:22:40] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 103 ms :[(NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 31022 reset in 133 ms.
Product exploration explored 100000 steps with 31058 reset in 182 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), (NOT p1), (NOT p1)]
Support contains 6 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 20 transition count 26
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 19 transition count 18
Deduced a syphon composed of 4 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 19 transition count 18
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 18 transition count 17
Deduced a syphon composed of 3 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 18 transition count 17
Deduced a syphon composed of 3 places in 0 ms
Applied a total of 8 rules in 8 ms. Remains 18 /20 variables (removed 2) and now considering 17/26 (removed 9) transitions.
[2024-05-22 18:22:41] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2024-05-22 18:22:41] [INFO ] Flow matrix only has 15 transitions (discarded 2 similar events)
// Phase 1: matrix 15 rows 18 cols
[2024-05-22 18:22:41] [INFO ] Computed 9 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 9/18 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 9 unsolved
[2024-05-22 18:22:41] [INFO ] Deduced a trap composed of 1 places in 35 ms of which 4 ms to minimize.
[2024-05-22 18:22:41] [INFO ] Deduced a trap composed of 1 places in 28 ms of which 1 ms to minimize.
[2024-05-22 18:22:41] [INFO ] Deduced a trap composed of 1 places in 23 ms of which 2 ms to minimize.
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 3/12 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/12 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Problem TDEAD5 is UNSAT
At refinement iteration 4 (OVERLAPS) 15/33 variables, 18/30 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/30 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/33 variables, 0/30 constraints. Problems are: Problem set: 3 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 33/33 variables, and 30 constraints, problems are : Problem set: 3 solved, 6 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 18/18 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 3 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/24 variables, 12/18 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/18 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 3/27 variables, 6/24 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 3/27 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 3/30 variables, 3/30 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/30 variables, 0/30 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 3/33 variables, 6/36 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/33 variables, 0/36 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 0/33 variables, 0/36 constraints. Problems are: Problem set: 3 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 33/33 variables, and 36 constraints, problems are : Problem set: 3 solved, 6 unsolved in 145 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 18/18 constraints, PredecessorRefiner: 6/9 constraints, Known Traps: 3/3 constraints]
After SMT, in 446ms problems are : Problem set: 3 solved, 6 unsolved
Search for dead transitions found 3 dead transitions in 446ms
Found 3 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 3 transitions
Dead transitions reduction (with SMT) removed 3 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 18/20 places, 14/26 transitions.
Graph (complete) has 49 edges and 18 vertex of which 15 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 ms
Discarding 3 places :
Also discarding 0 output transitions
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 12 transition count 12
Applied a total of 3 rules in 9 ms. Remains 12 /18 variables (removed 6) and now considering 12/14 (removed 2) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 12/20 places, 12/26 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 467 ms. Remains : 12/20 places, 12/26 transitions.
Support contains 6 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 20 cols
[2024-05-22 18:22:41] [INFO ] Computed 10 invariants in 4 ms
[2024-05-22 18:22:41] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-22 18:22:41] [INFO ] Invariant cache hit.
[2024-05-22 18:22:41] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-05-22 18:22:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 30 constraints, problems are : Problem set: 0 solved, 10 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 40 constraints, problems are : Problem set: 0 solved, 10 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 418ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 418ms
Finished structural reductions in LTL mode , in 1 iterations and 532 ms. Remains : 20/20 places, 26/26 transitions.
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-03 finished in 5246 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||(G(p1)&&X(p2)))))'
Support contains 10 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 26/26 (removed 0) transitions.
[2024-05-22 18:22:42] [INFO ] Invariant cache hit.
[2024-05-22 18:22:42] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-22 18:22:42] [INFO ] Invariant cache hit.
[2024-05-22 18:22:42] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-05-22 18:22:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 30 constraints, problems are : Problem set: 0 solved, 10 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 40 constraints, problems are : Problem set: 0 solved, 10 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 251ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 251ms
Finished structural reductions in LTL mode , in 1 iterations and 376 ms. Remains : 20/20 places, 26/26 transitions.
Stuttering acceptance computed with spot in 112 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DrinkVendingMachine-PT-02-LTLCardinality-05
Product exploration explored 100000 steps with 458 reset in 272 ms.
Stack based approach found an accepted trace after 44 steps with 0 reset with depth 45 and stack size 43 in 1 ms.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-05 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-05 finished in 777 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||G(F(p1))))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 8 transition count 20
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 29 place count 8 transition count 9
Applied a total of 29 rules in 2 ms. Remains 8 /20 variables (removed 12) and now considering 9/26 (removed 17) transitions.
// Phase 1: matrix 9 rows 8 cols
[2024-05-22 18:22:43] [INFO ] Computed 4 invariants in 0 ms
[2024-05-22 18:22:43] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-22 18:22:43] [INFO ] Invariant cache hit.
[2024-05-22 18:22:43] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2024-05-22 18:22:43] [INFO ] Redundant transitions in 11 ms returned [8]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 4 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 8 cols
[2024-05-22 18:22:43] [INFO ] Computed 4 invariants in 0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 16 constraints, problems are : Problem set: 0 solved, 4 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 158ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 158ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/20 places, 8/26 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 232 ms. Remains : 8/20 places, 8/26 transitions.
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-PT-02-LTLCardinality-10
Product exploration explored 100000 steps with 5510 reset in 97 ms.
Stack based approach found an accepted trace after 51 steps with 2 reset with depth 5 and stack size 5 in 1 ms.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-10 finished in 432 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 4 transition count 18
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 36 place count 4 transition count 6
Applied a total of 36 rules in 12 ms. Remains 4 /20 variables (removed 16) and now considering 6/26 (removed 20) transitions.
// Phase 1: matrix 6 rows 4 cols
[2024-05-22 18:22:43] [INFO ] Computed 2 invariants in 0 ms
[2024-05-22 18:22:43] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-22 18:22:43] [INFO ] Invariant cache hit.
[2024-05-22 18:22:43] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
[2024-05-22 18:22:43] [INFO ] Redundant transitions in 32 ms returned [2]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 2 sub problems to find dead transitions.
// Phase 1: matrix 5 rows 4 cols
[2024-05-22 18:22:43] [INFO ] Computed 2 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 190ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 190ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/20 places, 5/26 transitions.
Applied a total of 0 rules in 2 ms. Remains 4 /4 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 363 ms. Remains : 4/20 places, 5/26 transitions.
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Running random walk in product with property : DrinkVendingMachine-PT-02-LTLCardinality-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-12 finished in 399 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p0)&&(!p0||X(p1))))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 20 cols
[2024-05-22 18:22:44] [INFO ] Computed 10 invariants in 0 ms
[2024-05-22 18:22:44] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-22 18:22:44] [INFO ] Invariant cache hit.
[2024-05-22 18:22:44] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-05-22 18:22:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 0/46 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 30 constraints, problems are : Problem set: 0 solved, 10 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/20 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 26/46 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 40 constraints, problems are : Problem set: 0 solved, 10 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 194ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 195ms
Finished structural reductions in LTL mode , in 1 iterations and 275 ms. Remains : 20/20 places, 26/26 transitions.
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : DrinkVendingMachine-PT-02-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 295 steps with 17 reset in 1 ms.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-14 finished in 434 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(F(p1)))))'
Found a Shortening insensitive property : DrinkVendingMachine-PT-02-LTLCardinality-03
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1)]
Support contains 8 out of 20 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 20/20 places, 26/26 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 16 transition count 24
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 10 place count 16 transition count 20
Applied a total of 10 rules in 3 ms. Remains 16 /20 variables (removed 4) and now considering 20/26 (removed 6) transitions.
// Phase 1: matrix 20 rows 16 cols
[2024-05-22 18:22:44] [INFO ] Computed 8 invariants in 1 ms
[2024-05-22 18:22:44] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-22 18:22:44] [INFO ] Invariant cache hit.
[2024-05-22 18:22:44] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2024-05-22 18:22:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 8/16 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 24 constraints, problems are : Problem set: 0 solved, 8 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 8/16 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 8/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 32 constraints, problems are : Problem set: 0 solved, 8 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 450ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 450ms
Starting structural reductions in LI_LTL mode, iteration 1 : 16/20 places, 20/26 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 527 ms. Remains : 16/20 places, 20/26 transitions.
Running random walk in product with property : DrinkVendingMachine-PT-02-LTLCardinality-03
Product exploration explored 100000 steps with 31611 reset in 109 ms.
Product exploration explored 100000 steps with 31620 reset in 117 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 235 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 138 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (NOT p0))), (X (X p0)), (F p1)]
Knowledge based reduction with 2 factoid took 217 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-22 18:22:46] [INFO ] Invariant cache hit.
[2024-05-22 18:22:46] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2024-05-22 18:22:46] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-22 18:22:46] [INFO ] Computed and/alt/rep : 8/24/8 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-22 18:22:46] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 6 out of 16 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 16 /16 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2024-05-22 18:22:46] [INFO ] Invariant cache hit.
[2024-05-22 18:22:46] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-22 18:22:46] [INFO ] Invariant cache hit.
[2024-05-22 18:22:46] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2024-05-22 18:22:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 8/16 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 24 constraints, problems are : Problem set: 0 solved, 8 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 8/16 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 8/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 32 constraints, problems are : Problem set: 0 solved, 8 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 130ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 131ms
Finished structural reductions in LTL mode , in 1 iterations and 193 ms. Remains : 16/16 places, 20/20 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p1)]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 1 factoid took 123 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1)]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 1 factoid took 130 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 132 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 105 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-22 18:22:47] [INFO ] Invariant cache hit.
[2024-05-22 18:22:47] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-22 18:22:47] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-22 18:22:47] [INFO ] Computed and/alt/rep : 8/24/8 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-22 18:22:47] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 112 ms :[(NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 31637 reset in 98 ms.
Product exploration explored 100000 steps with 31599 reset in 118 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 111 ms :[(NOT p1), (NOT p1), (NOT p1)]
Support contains 6 out of 16 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 16/16 places, 20/20 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 16 transition count 20
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 15 transition count 14
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 15 transition count 14
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 14 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 14 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 6 rules in 3 ms. Remains 14 /16 variables (removed 2) and now considering 13/20 (removed 7) transitions.
[2024-05-22 18:22:47] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
// Phase 1: matrix 13 rows 14 cols
[2024-05-22 18:22:47] [INFO ] Computed 7 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 7/14 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem TDEAD5 is UNSAT
At refinement iteration 3 (OVERLAPS) 13/27 variables, 14/21 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/27 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 27/27 variables, and 21 constraints, problems are : Problem set: 1 solved, 6 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 14/14 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/24 variables, 12/18 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 1/25 variables, 6/24 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 1/26 variables, 1/25 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 1/27 variables, 2/27 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 0/27 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 27/27 variables, and 27 constraints, problems are : Problem set: 1 solved, 6 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 14/14 constraints, PredecessorRefiner: 6/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 127ms problems are : Problem set: 1 solved, 6 unsolved
Search for dead transitions found 1 dead transitions in 128ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 14/16 places, 12/20 transitions.
Graph (complete) has 25 edges and 14 vertex of which 13 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 0 transitions.
Applied a total of 1 rules in 1 ms. Remains 12 /14 variables (removed 2) and now considering 12/12 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 12/16 places, 12/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 140 ms. Remains : 12/16 places, 12/20 transitions.
Support contains 6 out of 16 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 16 /16 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 16 cols
[2024-05-22 18:22:47] [INFO ] Computed 8 invariants in 0 ms
[2024-05-22 18:22:47] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-22 18:22:47] [INFO ] Invariant cache hit.
[2024-05-22 18:22:47] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2024-05-22 18:22:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 8/16 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 24 constraints, problems are : Problem set: 0 solved, 8 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 8/16 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 8/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 32 constraints, problems are : Problem set: 0 solved, 8 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 126ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 126ms
Finished structural reductions in LTL mode , in 1 iterations and 176 ms. Remains : 16/16 places, 20/20 transitions.
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-03 finished in 3619 ms.
[2024-05-22 18:22:48] [INFO ] Flatten gal took : 4 ms
[2024-05-22 18:22:48] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2024-05-22 18:22:48] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 20 places, 26 transitions and 116 arcs took 3 ms.
Total runtime 14830 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DrinkVendingMachine-PT-02

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: 20
TRANSITIONS: 26
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.002s]


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: 1159
MODEL NAME: /home/mcc/execution/411/model
20 places, 26 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.
Building monolithic NSF...
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716402168720

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

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

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="DrinkVendingMachine-PT-02"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is DrinkVendingMachine-PT-02, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r135-tall-171631131700707"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DrinkVendingMachine-PT-02.tgz
mv DrinkVendingMachine-PT-02 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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