About the Execution of ITS-Tools for Diffusion2D-PT-D20N100
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 533387.00 | 0.00 | 0.00 | FFTFFFFFFFFFFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064300500.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-D20N100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064300500
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K 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 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K 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 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 43K 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 1.2M 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-D20N100-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D20N100-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748827805848
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-D20N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-02 01:30:08] [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 01:30:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 01:30:09] [INFO ] Load time of PNML (sax parser for PT used): 607 ms
[2025-06-02 01:30:09] [INFO ] Transformed 400 places.
[2025-06-02 01:30:09] [INFO ] Transformed 2964 transitions.
[2025-06-02 01:30:09] [INFO ] Parsed PT model containing 400 places and 2964 transitions and 5928 arcs in 809 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D20N100-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D20N100-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 33 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 117 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
// Phase 1: matrix 2964 rows 400 cols
[2025-06-02 01:30:09] [INFO ] Computed 1 invariants in 72 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:30:09] [INFO ] Implicit Places using invariants in 393 ms returned []
[2025-06-02 01:30:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:30:11] [INFO ] Implicit Places using invariants and state equation in 1517 ms returned []
Implicit Place search using SMT with State Equation took 1960 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2025-06-02 01:30:11] [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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30215 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30090 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62161ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 62227ms
Finished structural reductions in LTL mode , in 1 iterations and 64372 ms. Remains : 400/400 places, 2964/2964 transitions.
Support contains 33 out of 400 places after structural reductions.
[2025-06-02 01:31:14] [INFO ] Flatten gal took : 349 ms
[2025-06-02 01:31:14] [INFO ] Flatten gal took : 194 ms
[2025-06-02 01:31:15] [INFO ] Input system was already deterministic with 2964 transitions.
RANDOM walk for 40130 steps (8 resets) in 336 ms. (119 steps per ms) remains 17/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
[2025-06-02 01:31:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 382/400 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3364/3364 variables, and 401 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 382/400 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 16/417 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3364 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3364/3364 variables, and 417 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5021 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10065ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 18 out of 400 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2704 edges and 400 vertex of which 382 / 400 are part of one of the 1 SCC in 13 ms
Free SCC test removed 381 places
Drop transitions (Empty/Sink Transition effects.) removed 2704 transitions
Ensure Unique test removed 220 transitions
Reduce isomorphic transitions removed 2924 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 19 transition count 34
Applied a total of 7 rules in 62 ms. Remains 19 /400 variables (removed 381) and now considering 34/2964 (removed 2930) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 19/400 places, 34/2964 transitions.
RANDOM walk for 40024 steps (8 resets) in 44 ms. (889 steps per ms) remains 3/16 properties
BEST_FIRST walk for 5411 steps (0 resets) in 11 ms. (450 steps per ms) remains 0/3 properties
FORMULA Diffusion2D-PT-D20N100-LTLFireability-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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((G(F(p0)) U p1))||((G(F(p0)) U p1)&&X(X(X(X(F(p2))))))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 42 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2025-06-02 01:31:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:31:26] [INFO ] Implicit Places using invariants in 109 ms returned []
[2025-06-02 01:31:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:31:27] [INFO ] Implicit Places using invariants and state equation in 902 ms returned []
Implicit Place search using SMT with State Equation took 1017 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2025-06-02 01:31:27] [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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30088 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61296ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61310ms
Finished structural reductions in LTL mode , in 1 iterations and 62384 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 1062 ms :[(NOT p1), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-00
Product exploration explored 100000 steps with 73 reset in 2289 ms.
Stack based approach found an accepted trace after 61 steps with 0 reset with depth 62 and stack size 62 in 1 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-00 finished in 65890 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((X(X(X(X(F(p0)))))&&(p1||X((p0 U p1))))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 20 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2025-06-02 01:32:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:32:32] [INFO ] Implicit Places using invariants in 86 ms returned []
[2025-06-02 01:32:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:32:33] [INFO ] Implicit Places using invariants and state equation in 999 ms returned []
Implicit Place search using SMT with State Equation took 1087 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2025-06-02 01:32:33] [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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30088 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30093 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61525ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61533ms
Finished structural reductions in LTL mode , in 1 iterations and 62655 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 348 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-03
Product exploration explored 100000 steps with 147 reset in 1499 ms.
Stack based approach found an accepted trace after 65 steps with 0 reset with depth 66 and stack size 66 in 1 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-03 finished in 64535 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&&(p1||X((p2 U X(p3)))))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 16 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2025-06-02 01:33:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:33:36] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-06-02 01:33:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:33:37] [INFO ] Implicit Places using invariants and state equation in 926 ms returned []
Implicit Place search using SMT with State Equation took 1022 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2025-06-02 01:33:37] [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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30098 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61152ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61157ms
Finished structural reductions in LTL mode , in 1 iterations and 62203 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 298 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p3))), (NOT p3), true, (OR (NOT p0) (AND (NOT p1) (NOT p3))), (NOT p3), (NOT p3)]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-04 finished in 62533 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)&&F(G(p1)))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2932 edges and 400 vertex of which 398 / 400 are part of one of the 1 SCC in 8 ms
Free SCC test removed 397 places
Ensure Unique test removed 2959 transitions
Reduce isomorphic transitions removed 2959 transitions.
Applied a total of 1 rules in 24 ms. Remains 3 /400 variables (removed 397) and now considering 5/2964 (removed 2959) transitions.
// Phase 1: matrix 5 rows 3 cols
[2025-06-02 01:34:39] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:34:39] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-02 01:34:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:34:39] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:34:39] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-02 01:34:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 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) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 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) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 124ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 125ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/400 places, 5/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 212 ms. Remains : 3/400 places, 5/2964 transitions.
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-05 finished in 388 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(G((F(p0)||X((p1||X(X(p2))))))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 29 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
// Phase 1: matrix 2964 rows 400 cols
[2025-06-02 01:34:39] [INFO ] Computed 1 invariants in 35 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:34:40] [INFO ] Implicit Places using invariants in 356 ms returned []
[2025-06-02 01:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:34:40] [INFO ] Implicit Places using invariants and state equation in 950 ms returned []
Implicit Place search using SMT with State Equation took 1311 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2025-06-02 01:34:41] [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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 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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(s310 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30089 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61591ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61597ms
Finished structural reductions in LTL mode , in 1 iterations and 62946 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 248 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-06
Product exploration explored 100000 steps with 168 reset in 1298 ms.
Stack based approach found an accepted trace after 1577 steps with 2 reset with depth 301 and stack size 301 in 22 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-06 finished in 64559 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 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2948 edges and 400 vertex of which 399 / 400 are part of one of the 1 SCC in 6 ms
Free SCC test removed 398 places
Ensure Unique test removed 2961 transitions
Reduce isomorphic transitions removed 2961 transitions.
Applied a total of 1 rules in 15 ms. Remains 2 /400 variables (removed 398) and now considering 3/2964 (removed 2961) transitions.
// Phase 1: matrix 3 rows 2 cols
[2025-06-02 01:35:44] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:35:44] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-02 01:35:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:35:44] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:35:44] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-02 01:35:44] [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 35 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 34 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 72ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 72ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/400 places, 3/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 149 ms. Remains : 2/400 places, 3/2964 transitions.
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-07 finished in 247 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 U (X(((p1 U p2)||p3)) U p4))||p1)))'
Support contains 5 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 19 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
// Phase 1: matrix 2964 rows 400 cols
[2025-06-02 01:35:44] [INFO ] Computed 1 invariants in 27 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:35:44] [INFO ] Implicit Places using invariants in 142 ms returned []
[2025-06-02 01:35:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:35:45] [INFO ] Implicit Places using invariants and state equation in 831 ms returned []
Implicit Place search using SMT with State Equation took 983 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2025-06-02 01:35:45] [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: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30075 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30079 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61125ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61129ms
Finished structural reductions in LTL mode , in 1 iterations and 62139 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 170 ms :[(AND (NOT p1) p4), (OR (AND (NOT p1) p3 p4) (AND (NOT p1) p2 p4))]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-08
Product exploration explored 100000 steps with 145 reset in 1742 ms.
Stack based approach found an accepted trace after 19596 steps with 27 reset with depth 173 and stack size 169 in 440 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-08 finished in 64529 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) U ((X(p0)&&(p1||F(p2)))||X(G(p0)))) U (p3 U X(X(!p3)))))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 26 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2025-06-02 01:36:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:36:49] [INFO ] Implicit Places using invariants in 128 ms returned []
[2025-06-02 01:36:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:36:50] [INFO ] Implicit Places using invariants and state equation in 1029 ms returned []
Implicit Place search using SMT with State Equation took 1164 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2025-06-02 01:36:50] [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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30078 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30081 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61408ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61412ms
Finished structural reductions in LTL mode , in 1 iterations and 62609 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 946 ms :[p3, (AND (NOT p0) p3), (AND (NOT p0) (NOT p2) p3), p3, false, p3, true, (AND p3 (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2) p3), (AND p3 (NOT p0)), (AND (NOT p0) (NOT p2) p3), p3, (AND p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-09
Product exploration explored 100000 steps with 102 reset in 2170 ms.
Stack based approach found an accepted trace after 5 steps with 1 reset with depth 4 and stack size 4 in 1 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-09 finished in 65817 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 U X(X(G(p1)))) U (p2&&X(!p2))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 16 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2025-06-02 01:37:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:37:54] [INFO ] Implicit Places using invariants in 84 ms returned []
[2025-06-02 01:37:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:37:55] [INFO ] Implicit Places using invariants and state equation in 935 ms returned []
Implicit Place search using SMT with State Equation took 1024 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2025-06-02 01:37:55] [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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30079 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30078 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61622ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61626ms
Finished structural reductions in LTL mode , in 1 iterations and 62674 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 417 ms :[true, (NOT p1), (AND p2 (NOT p1)), p2, (AND (NOT p1) p2), (NOT p1), true, (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-10
Entered a terminal (fully accepting) state of product in 5629 steps with 0 reset in 255 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-10 finished in 63388 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(G(p0)))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2932 edges and 400 vertex of which 398 / 400 are part of one of the 1 SCC in 7 ms
Free SCC test removed 397 places
Ensure Unique test removed 2959 transitions
Reduce isomorphic transitions removed 2959 transitions.
Applied a total of 1 rules in 19 ms. Remains 3 /400 variables (removed 397) and now considering 5/2964 (removed 2959) transitions.
// Phase 1: matrix 5 rows 3 cols
[2025-06-02 01:38:58] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:38:58] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-02 01:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:38:58] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:38:58] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-02 01:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 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) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 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) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 119ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 120ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/400 places, 5/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 207 ms. Remains : 3/400 places, 5/2964 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-11 finished in 278 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||X(((p1 U p0) U G((p2 U p1)))))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2922 edges and 400 vertex of which 397 / 400 are part of one of the 1 SCC in 7 ms
Free SCC test removed 396 places
Ensure Unique test removed 2957 transitions
Reduce isomorphic transitions removed 2957 transitions.
Applied a total of 1 rules in 19 ms. Remains 4 /400 variables (removed 396) and now considering 7/2964 (removed 2957) transitions.
// Phase 1: matrix 7 rows 4 cols
[2025-06-02 01:38:58] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:38:58] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-02 01:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:38:58] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:38:58] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-02 01:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/11 variables, and 5 constraints, problems are : Problem set: 0 solved, 3 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 3 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 150ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/400 places, 7/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 230 ms. Remains : 4/400 places, 7/2964 transitions.
Stuttering acceptance computed with spot in 112 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-12 finished in 378 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)||F(p1)))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2916 edges and 400 vertex of which 397 / 400 are part of one of the 1 SCC in 7 ms
Free SCC test removed 396 places
Ensure Unique test removed 2957 transitions
Reduce isomorphic transitions removed 2957 transitions.
Applied a total of 1 rules in 18 ms. Remains 4 /400 variables (removed 396) and now considering 7/2964 (removed 2957) transitions.
// Phase 1: matrix 7 rows 4 cols
[2025-06-02 01:38:58] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:38:58] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-02 01:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:38:58] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:38:58] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-02 01:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/11 variables, and 5 constraints, problems are : Problem set: 0 solved, 3 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 3 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 148ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 148ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/400 places, 7/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 232 ms. Remains : 4/400 places, 7/2964 transitions.
Stuttering acceptance computed with spot in 100 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D20N100-LTLFireability-13
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D20N100-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N100-LTLFireability-13 finished in 351 ms.
All properties solved by simple procedures.
Total runtime 530928 ms.
BK_STOP 1748828339235
--------------------
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-D20N100"
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-D20N100, 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-174854064300500"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D20N100.tgz
mv Diffusion2D-PT-D20N100 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 ;