About the Execution of ITS-Tools for Diffusion2D-PT-D50N100
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 910716.00 | 0.00 | 0.00 | TTTFFFFTFTFFFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064400596.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Diffusion2D-PT-D50N100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064400596
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.8M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 119K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 7.3M May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D50N100-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748900904947
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D50N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-02 21:48:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 21:48:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 21:48:29] [INFO ] Load time of PNML (sax parser for PT used): 1212 ms
[2025-06-02 21:48:29] [INFO ] Transformed 2500 places.
[2025-06-02 21:48:29] [INFO ] Transformed 19404 transitions.
[2025-06-02 21:48:29] [INFO ] Parsed PT model containing 2500 places and 19404 transitions and 38808 arcs in 1500 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D50N100-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D50N100-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D50N100-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D50N100-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 1235 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
// Phase 1: matrix 19404 rows 2500 cols
[2025-06-02 21:48:31] [INFO ] Computed 1 invariants in 212 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:48:32] [INFO ] Implicit Places using invariants in 1407 ms returned []
Implicit Place search using SMT only with invariants took 1462 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 21:48:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30746 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30310 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 98402ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 98619ms
Finished structural reductions in LTL mode , in 1 iterations and 101474 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Support contains 30 out of 2500 places after structural reductions.
[2025-06-02 21:50:12] [INFO ] Flatten gal took : 796 ms
[2025-06-02 21:50:13] [INFO ] Flatten gal took : 591 ms
[2025-06-02 21:50:14] [INFO ] Input system was already deterministic with 19404 transitions.
RANDOM walk for 40236 steps (8 resets) in 293 ms. (136 steps per ms) remains 27/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 27/27 properties
[2025-06-02 21:50:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 2474/2500 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2500/21904 variables, and 1 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5056 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 2474/2500 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2500/21904 variables, and 1 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10238ms problems are : Problem set: 0 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 26 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 18994 edges and 2500 vertex of which 2474 / 2500 are part of one of the 1 SCC in 57 ms
Free SCC test removed 2473 places
Drop transitions (Empty/Sink Transition effects.) removed 18994 transitions
Ensure Unique test removed 352 transitions
Reduce isomorphic transitions removed 19346 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 10 place count 27 transition count 49
Applied a total of 10 rules in 165 ms. Remains 27 /2500 variables (removed 2473) and now considering 49/19404 (removed 19355) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 27/2500 places, 49/19404 transitions.
RANDOM walk for 40106 steps (8 resets) in 60 ms. (657 steps per ms) remains 1/27 properties
BEST_FIRST walk for 196 steps (0 resets) in 4 ms. (39 steps per ms) remains 0/1 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((G(p0) U X(G(p1))) U p2) U X(!p3)))'
Support contains 3 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 561 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2025-06-02 21:50:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:50:26] [INFO ] Implicit Places using invariants in 464 ms returned []
Implicit Place search using SMT only with invariants took 469 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 21:50:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30677 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30325 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 95414ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 95466ms
Finished structural reductions in LTL mode , in 1 iterations and 96551 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Stuttering acceptance computed with spot in 614 ms :[p3, (AND (NOT p1) p3), (AND (NOT p2) p3), p3, (OR (AND (NOT p0) (NOT p1) p3) (AND (NOT p1) p2 p3)), true, (NOT p1), (NOT p2), (NOT p1), (AND (NOT p0) p1)]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 2444 ms.
Product exploration explored 100000 steps with 50000 reset in 2017 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p3) (NOT p1)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p2) p3))), (X (NOT (AND p2 (NOT p0) p3 p1))), (X (NOT (AND (NOT p2) (NOT p0) p3))), (X (NOT (AND (NOT p2) p0 p3))), (X (NOT (AND p3 (NOT p1)))), (X (NOT (OR (AND p2 p3 p1) (AND p0 p3 p1)))), (X (NOT (AND p0 p3 (NOT p1)))), (X (NOT (AND p2 p0 p3))), (X (NOT p0)), (X (NOT (AND (NOT p0) p3 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (NOT (AND p2 (NOT p0) p3 p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) p3)))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) p0 p3)))), (X (X (NOT (AND p3 (NOT p1))))), (X (X (NOT (OR (AND p2 p3 p1) (AND p0 p3 p1))))), (X (X (NOT (AND p0 p3 (NOT p1))))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p2 p0 p3)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) p3 (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 33 factoid took 26 ms. Reduced automaton from 10 states, 30 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Diffusion2D-PT-D50N100-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-00 finished in 101841 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(G((p1||X(X((!p0 U X(!p0))))))))))'
Support contains 2 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 729 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2025-06-02 21:52:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:52:08] [INFO ] Implicit Places using invariants in 430 ms returned []
Implicit Place search using SMT only with invariants took 431 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 21:52:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30264 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s263 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30435 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 95655ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 95690ms
Finished structural reductions in LTL mode , in 1 iterations and 96894 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Stuttering acceptance computed with spot in 393 ms :[false, false, (AND (NOT p1) p0), p0, p0, p0, p0, true]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 1812 ms.
Product exploration explored 100000 steps with 50000 reset in 1635 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 p0), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 21 ms. Reduced automaton from 8 states, 10 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Diffusion2D-PT-D50N100-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-02 finished in 100857 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(p1))))'
Support contains 2 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 743 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2025-06-02 21:53:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:53:49] [INFO ] Implicit Places using invariants in 673 ms returned []
Implicit Place search using SMT only with invariants took 675 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 21:53:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30815 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30428 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 93750ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 93782ms
Finished structural reductions in LTL mode , in 1 iterations and 95259 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Stuttering acceptance computed with spot in 196 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-03 finished in 95519 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19388 edges and 2500 vertex of which 2499 / 2500 are part of one of the 1 SCC in 27 ms
Free SCC test removed 2498 places
Ensure Unique test removed 19401 transitions
Reduce isomorphic transitions removed 19401 transitions.
Applied a total of 1 rules in 63 ms. Remains 2 /2500 variables (removed 2498) and now considering 3/19404 (removed 19401) transitions.
// Phase 1: matrix 3 rows 2 cols
[2025-06-02 21:55:24] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:55:24] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-02 21:55:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:55:24] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 21:55:24] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-02 21:55:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 75ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/2500 places, 3/19404 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 213 ms. Remains : 2/2500 places, 3/19404 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-04 finished in 276 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((p0||F(p1)) U (p2 U p3)) U X(X(X(!p2)))))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 508 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
// Phase 1: matrix 19404 rows 2500 cols
[2025-06-02 21:55:25] [INFO ] Computed 1 invariants in 135 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:55:25] [INFO ] Implicit Places using invariants in 670 ms returned []
Implicit Place search using SMT only with invariants took 672 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 21:55:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30437 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30411 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 93911ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 93932ms
Finished structural reductions in LTL mode , in 1 iterations and 95136 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Stuttering acceptance computed with spot in 1428 ms :[p2, (AND (NOT p1) p2), (AND p2 (NOT p3)), p2, (AND (NOT p3) p2 p0 (NOT p1)), (AND p2 (NOT p1)), (AND p2 (NOT p3)), (AND (NOT p1) (NOT p3) p2 p0), (AND (NOT p1) p2), (AND p2 (NOT p3)), p2, (AND (NOT p1) (NOT p3) p2 p0), (AND (NOT p1) p2), (AND p2 (NOT p3)), (AND (NOT p1) (NOT p3) p2 p0), (AND (NOT p1) p2), (AND p2 (NOT p3)), (AND (NOT p1) (NOT p3) p2 p0), (AND (NOT p1) p2), (AND p2 (NOT p3)), p2, (AND (NOT p1) (NOT p3) p2 p0), (NOT p1), (AND p0 (NOT p1) (NOT p3)), (NOT p3)]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-05
Product exploration explored 100000 steps with 6 reset in 4596 ms.
Stack based approach found an accepted trace after 26 steps with 0 reset with depth 27 and stack size 27 in 1 ms.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-05 finished in 101252 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((((p0 U p1) U X(p2))||X(!p1))) U X(p3)))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 734 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2025-06-02 21:57:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:57:06] [INFO ] Implicit Places using invariants in 468 ms returned []
Implicit Place search using SMT only with invariants took 470 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 21:57:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30435 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30457 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94857ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 94878ms
Finished structural reductions in LTL mode , in 1 iterations and 96263 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Stuttering acceptance computed with spot in 689 ms :[(NOT p3), (AND p1 (NOT p2) (NOT p3)), (NOT p3), (AND p1 (NOT p2) (NOT p3)), true, (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 2167 ms.
Product exploration explored 100000 steps with 50000 reset in 2233 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2) p3), (X (NOT p2)), (X p3), (X (NOT (AND (NOT p1) (NOT p0) (NOT p3)))), (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (NOT (AND p1 (NOT p2) (NOT p3)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2)))))), (X (X (NOT (OR p1 p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3)))))), (X (X p3)), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 20 factoid took 30 ms. Reduced automaton from 12 states, 23 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Diffusion2D-PT-D50N100-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-07 finished in 101497 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19388 edges and 2500 vertex of which 2499 / 2500 are part of one of the 1 SCC in 7 ms
Free SCC test removed 2498 places
Ensure Unique test removed 19401 transitions
Reduce isomorphic transitions removed 19401 transitions.
Applied a total of 1 rules in 35 ms. Remains 2 /2500 variables (removed 2498) and now considering 3/19404 (removed 19401) transitions.
// Phase 1: matrix 3 rows 2 cols
[2025-06-02 21:58:47] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:58:47] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-02 21:58:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:58:47] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 21:58:47] [INFO ] Redundant transitions in 1 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-02 21:58:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 88ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 88ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/2500 places, 3/19404 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 194 ms. Remains : 2/2500 places, 3/19404 transitions.
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-10
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-10 finished in 325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G(F(p0)) U p1) U X(X(X(G(p2)))))))'
Support contains 3 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 831 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
// Phase 1: matrix 19404 rows 2500 cols
[2025-06-02 21:58:48] [INFO ] Computed 1 invariants in 118 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 21:58:48] [INFO ] Implicit Places using invariants in 574 ms returned []
Implicit Place search using SMT only with invariants took 582 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 21:58:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30435 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30666 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92809ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 92840ms
Finished structural reductions in LTL mode , in 1 iterations and 94281 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Stuttering acceptance computed with spot in 380 ms :[(NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-11
Product exploration explored 100000 steps with 343 reset in 1495 ms.
Stack based approach found an accepted trace after 3597 steps with 12 reset with depth 336 and stack size 332 in 50 ms.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-11 finished in 96290 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0&&X(F(!p0))) U !p0)))'
Support contains 1 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 501 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2025-06-02 22:00:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 22:00:24] [INFO ] Implicit Places using invariants in 403 ms returned []
Implicit Place search using SMT only with invariants took 405 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 22:00:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30468 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30446 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92510ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 92528ms
Finished structural reductions in LTL mode , in 1 iterations and 93452 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Stuttering acceptance computed with spot in 99 ms :[p0, p0]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-13
Product exploration explored 100000 steps with 9 reset in 3861 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 1 ms.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-13 finished in 97469 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||G((p1&&F((p2&&G(p3))))))))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19340 edges and 2500 vertex of which 2496 / 2500 are part of one of the 1 SCC in 5 ms
Free SCC test removed 2495 places
Ensure Unique test removed 19395 transitions
Reduce isomorphic transitions removed 19395 transitions.
Applied a total of 1 rules in 20 ms. Remains 5 /2500 variables (removed 2495) and now considering 9/19404 (removed 19395) transitions.
// Phase 1: matrix 9 rows 5 cols
[2025-06-02 22:02:01] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 22:02:01] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-02 22:02:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 22:02:01] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 22:02:01] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-02 22:02:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 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) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/14 variables, and 6 constraints, problems are : Problem set: 0 solved, 4 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 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) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/14 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 185ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 185ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/2500 places, 9/19404 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 264 ms. Remains : 5/2500 places, 9/19404 transitions.
Stuttering acceptance computed with spot in 194 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-14 finished in 484 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&((p1 U p2)||(p3&&(G(p4) U p2))))))'
Support contains 5 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 729 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
// Phase 1: matrix 19404 rows 2500 cols
[2025-06-02 22:02:02] [INFO ] Computed 1 invariants in 97 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 22:02:03] [INFO ] Implicit Places using invariants in 611 ms returned []
Implicit Place search using SMT only with invariants took 612 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2025-06-02 22:02:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30275 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30272 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 91947ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 91973ms
Finished structural reductions in LTL mode , in 1 iterations and 93341 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Stuttering acceptance computed with spot in 477 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), true, (NOT p0), (NOT p2), (NOT p4), (NOT p2), (NOT p2)]
Running random walk in product with property : Diffusion2D-PT-D50N100-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D50N100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N100-LTLFireability-15 finished in 93885 ms.
All properties solved by simple procedures.
Total runtime 907871 ms.
BK_STOP 1748901815663
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="Diffusion2D-PT-D50N100"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Diffusion2D-PT-D50N100, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r058-smll-174854064400596"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N100.tgz
mv Diffusion2D-PT-D50N100 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;