fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r488-tall-171631133200707
Last Updated
July 7, 2024

About the Execution of LTSMin+red for DrinkVendingMachine-PT-02

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
414.979 11833.00 23973.00 148.10 TTTTTFFTTTFTFFFF normal

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.r488-tall-171631133200707.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DrinkVendingMachine-PT-02, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r488-tall-171631133200707
=====================================================================

--------------------
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 1717203767232

Invoking MCC driver with
BK_TOOL=ltsminxred
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 ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 01:02:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 01:02:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 01:02:48] [INFO ] Load time of PNML (sax parser for PT used): 50 ms
[2024-06-01 01:02:48] [INFO ] Transformed 24 places.
[2024-06-01 01:02:48] [INFO ] Transformed 72 transitions.
[2024-06-01 01:02:48] [INFO ] Parsed PT model containing 24 places and 72 transitions and 440 arcs in 136 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 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
[2024-06-01 01:02:48] [INFO ] Computed 12 invariants in 4 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 307 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 139 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 538ms problems are : Problem set: 26 solved, 10 unsolved
Search for dead transitions found 26 dead transitions in 550ms
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
[2024-06-01 01:02:49] [INFO ] Computed 14 invariants in 1 ms
[2024-06-01 01:02:49] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 01:02:49] [INFO ] Invariant cache hit.
[2024-06-01 01:02:49] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 60 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 0 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 661 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
[2024-06-01 01:02:49] [INFO ] Flatten gal took : 18 ms
[2024-06-01 01:02:49] [INFO ] Flatten gal took : 7 ms
[2024-06-01 01:02:49] [INFO ] Input system was already deterministic with 26 transitions.
RANDOM walk for 40000 steps (8 resets) in 1098 ms. (36 steps per ms) remains 8/26 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 106 ms. (373 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 8/8 properties
// Phase 1: matrix 26 rows 20 cols
[2024-06-01 01:02:50] [INFO ] Computed 10 invariants in 0 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 42 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 21 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 71ms 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 0 ms. Remains 20 /20 variables (removed 0) and now considering 26/26 (removed 0) transitions.
[2024-06-01 01:02:50] [INFO ] Invariant cache hit.
[2024-06-01 01:02:50] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-06-01 01:02:50] [INFO ] Invariant cache hit.
[2024-06-01 01:02:50] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-06-01 01:02:50] [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 106 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 86 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 197ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 197ms
Finished structural reductions in LTL mode , in 1 iterations and 274 ms. Remains : 20/20 places, 26/26 transitions.
Stuttering acceptance computed with spot in 237 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 31060 reset in 328 ms.
Product exploration explored 100000 steps with 31039 reset in 170 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 143 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 103 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 210 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 117 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 105 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-06-01 01:02:52] [INFO ] Invariant cache hit.
[2024-06-01 01:02:52] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2024-06-01 01:02:52] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 01:02:52] [INFO ] Computed and/alt/rep : 10/48/10 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 01:02:52] [INFO ] Added : 0 causal constraints over 0 iterations in 8 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.
[2024-06-01 01:02:52] [INFO ] Invariant cache hit.
[2024-06-01 01:02:52] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-06-01 01:02:52] [INFO ] Invariant cache hit.
[2024-06-01 01:02:52] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-06-01 01:02:52] [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 74 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 79 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 164ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 164ms
Finished structural reductions in LTL mode , in 1 iterations and 225 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 97 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 105 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 110 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 111 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-06-01 01:02:53] [INFO ] Invariant cache hit.
[2024-06-01 01:02:53] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2024-06-01 01:02:53] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 01:02:53] [INFO ] Computed and/alt/rep : 10/48/10 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 01:02:53] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 101 ms :[(NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 31086 reset in 132 ms.
Product exploration explored 100000 steps with 31036 reset in 147 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 123 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 10 ms. Remains 18 /20 variables (removed 2) and now considering 17/26 (removed 9) transitions.
[2024-06-01 01:02:53] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2024-06-01 01:02:53] [INFO ] Flow matrix only has 15 transitions (discarded 2 similar events)
// Phase 1: matrix 15 rows 18 cols
[2024-06-01 01:02:53] [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
[2024-06-01 01:02:53] [INFO ] Deduced a trap composed of 1 places in 28 ms of which 5 ms to minimize.
[2024-06-01 01:02:53] [INFO ] Deduced a trap composed of 1 places in 18 ms of which 1 ms to minimize.
[2024-06-01 01:02:53] [INFO ] Deduced a trap composed of 1 places in 15 ms of which 1 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 140 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 73 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 219ms problems are : Problem set: 3 solved, 6 unsolved
Search for dead transitions found 3 dead transitions in 219ms
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.1 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 6 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 245 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
[2024-06-01 01:02:54] [INFO ] Computed 10 invariants in 2 ms
[2024-06-01 01:02:54] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 01:02:54] [INFO ] Invariant cache hit.
[2024-06-01 01:02:54] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-06-01 01:02:54] [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 76 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 79 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 158ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 159ms
Finished structural reductions in LTL mode , in 1 iterations and 217 ms. Remains : 20/20 places, 26/26 transitions.
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-03 finished in 3815 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 0 ms. Remains 20 /20 variables (removed 0) and now considering 26/26 (removed 0) transitions.
[2024-06-01 01:02:54] [INFO ] Invariant cache hit.
[2024-06-01 01:02:54] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-06-01 01:02:54] [INFO ] Invariant cache hit.
[2024-06-01 01:02:54] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-06-01 01:02:54] [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 83 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 159ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 159ms
Finished structural reductions in LTL mode , in 1 iterations and 215 ms. Remains : 20/20 places, 26/26 transitions.
Stuttering acceptance computed with spot in 121 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 503 reset in 264 ms.
Stack based approach found an accepted trace after 68 steps with 1 reset with depth 66 and stack size 64 in 1 ms.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-05 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-05 finished in 618 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 0 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 5 ms. Remains 8 /20 variables (removed 12) and now considering 9/26 (removed 17) transitions.
// Phase 1: matrix 9 rows 8 cols
[2024-06-01 01:02:54] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 01:02:54] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-06-01 01:02:54] [INFO ] Invariant cache hit.
[2024-06-01 01:02:54] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2024-06-01 01:02:54] [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
[2024-06-01 01:02:54] [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 38 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 28 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 69ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 70ms
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 132 ms. Remains : 8/20 places, 8/26 transitions.
Stuttering acceptance computed with spot in 83 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 5457 reset in 101 ms.
Stack based approach found an accepted trace after 63 steps with 2 reset with depth 9 and stack size 7 in 0 ms.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-10 finished in 335 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(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 3 ms. Remains 4 /20 variables (removed 16) and now considering 6/26 (removed 20) transitions.
// Phase 1: matrix 6 rows 4 cols
[2024-06-01 01:02:55] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 01:02:55] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 01:02:55] [INFO ] Invariant cache hit.
[2024-06-01 01:02:55] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2024-06-01 01:02:55] [INFO ] Redundant transitions in 12 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
[2024-06-01 01:02:55] [INFO ] Computed 2 invariants in 0 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 23 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 26 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 52ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 52ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/20 places, 5/26 transitions.
Applied a total of 0 rules in 1 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 115 ms. Remains : 4/20 places, 5/26 transitions.
Stuttering acceptance computed with spot in 37 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 0 ms.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-12 finished in 234 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
[2024-06-01 01:02:55] [INFO ] Computed 10 invariants in 1 ms
[2024-06-01 01:02:55] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 01:02:55] [INFO ] Invariant cache hit.
[2024-06-01 01:02:55] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2024-06-01 01:02:55] [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 69 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 89 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 163ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 163ms
Finished structural reductions in LTL mode , in 1 iterations and 217 ms. Remains : 20/20 places, 26/26 transitions.
Stuttering acceptance computed with spot in 159 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 582 steps with 46 reset in 2 ms.
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-14 finished in 393 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 157 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 5 ms. Remains 16 /20 variables (removed 4) and now considering 20/26 (removed 6) transitions.
// Phase 1: matrix 20 rows 16 cols
[2024-06-01 01:02:56] [INFO ] Computed 8 invariants in 1 ms
[2024-06-01 01:02:56] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 01:02:56] [INFO ] Invariant cache hit.
[2024-06-01 01:02:56] [INFO ] Implicit Places using invariants and state equation in 36 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.
[2024-06-01 01:02:56] [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 52 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 115ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 115ms
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 182 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 31655 reset in 104 ms.
Product exploration explored 100000 steps with 31623 reset in 118 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 170 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 81 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 148 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 94 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 83 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-06-01 01:02:57] [INFO ] Invariant cache hit.
[2024-06-01 01:02:57] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-06-01 01:02:57] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-06-01 01:02:57] [INFO ] Computed and/alt/rep : 8/24/8 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 01:02:57] [INFO ] Added : 0 causal constraints over 0 iterations in 4 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 1 ms. Remains 16 /16 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2024-06-01 01:02:57] [INFO ] Invariant cache hit.
[2024-06-01 01:02:57] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-06-01 01:02:57] [INFO ] Invariant cache hit.
[2024-06-01 01:02:57] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2024-06-01 01:02:57] [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 64 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 72 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 139ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 139ms
Finished structural reductions in LTL mode , in 1 iterations and 197 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 104 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 108 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 161 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 123 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-06-01 01:02:58] [INFO ] Invariant cache hit.
[2024-06-01 01:02:58] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-06-01 01:02:58] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 01:02:58] [INFO ] Computed and/alt/rep : 8/24/8 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 01:02:58] [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 99 ms :[(NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 31613 reset in 99 ms.
Product exploration explored 100000 steps with 31584 reset in 93 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 109 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.
[2024-06-01 01:02:58] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
// Phase 1: matrix 13 rows 14 cols
[2024-06-01 01:02:58] [INFO ] Computed 7 invariants in 2 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 44 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 63 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 110ms problems are : Problem set: 1 solved, 6 unsolved
Search for dead transitions found 1 dead transitions in 111ms
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 123 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
[2024-06-01 01:02:58] [INFO ] Computed 8 invariants in 0 ms
[2024-06-01 01:02:58] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-06-01 01:02:58] [INFO ] Invariant cache hit.
[2024-06-01 01:02:58] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2024-06-01 01:02:58] [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 56 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 120ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 124ms
Finished structural reductions in LTL mode , in 1 iterations and 175 ms. Remains : 16/16 places, 20/20 transitions.
Treatment of property DrinkVendingMachine-PT-02-LTLCardinality-03 finished in 2976 ms.
[2024-06-01 01:02:58] [INFO ] Flatten gal took : 4 ms
[2024-06-01 01:02:58] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 1 ms.
[2024-06-01 01:02:58] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 20 places, 26 transitions and 116 arcs took 2 ms.
Total runtime 10525 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA DrinkVendingMachine-PT-02-LTLCardinality-03 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717203779065

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
mcc2024
ltl formula name DrinkVendingMachine-PT-02-LTLCardinality-03
ltl formula formula --ltl=/tmp/1123/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 20 places, 26 transitions and 116 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.010 real 0.000 user 0.000 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1123/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1123/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1123/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1123/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 6 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 22 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 21, there are 36 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 111
pnml2lts-mc( 0/ 4): unique states count: 111
pnml2lts-mc( 0/ 4): unique transitions count: 216
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 154
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 142
pnml2lts-mc( 0/ 4): - cum. max stack depth: 22
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 142 states 411 transitions, fanout: 2.894
pnml2lts-mc( 0/ 4): Total exploration time 0.000 sec (0.000 sec minimum, 0.000 sec on average)
pnml2lts-mc( 0/ 4): States per second: inf, Transitions per second: inf
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 26.2 B/state, compr.: 30.5%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 26 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DrinkVendingMachine-PT-02"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is 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 r488-tall-171631133200707"
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 ;