fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r240-tall-174915589300172
Last Updated
June 24, 2025

About the Execution of ITS-Tools for Szymanski-PT-b12

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 1736999.00 0.00 0.00 TFFFFFTTFFTFFFTT normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589300172.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 Szymanski-PT-b12, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589300172
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 55K 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 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 3.7M May 29 14:33 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 Szymanski-PT-b12-LTLFireability-00
FORMULA_NAME Szymanski-PT-b12-LTLFireability-01
FORMULA_NAME Szymanski-PT-b12-LTLFireability-02
FORMULA_NAME Szymanski-PT-b12-LTLFireability-03
FORMULA_NAME Szymanski-PT-b12-LTLFireability-04
FORMULA_NAME Szymanski-PT-b12-LTLFireability-05
FORMULA_NAME Szymanski-PT-b12-LTLFireability-06
FORMULA_NAME Szymanski-PT-b12-LTLFireability-07
FORMULA_NAME Szymanski-PT-b12-LTLFireability-08
FORMULA_NAME Szymanski-PT-b12-LTLFireability-09
FORMULA_NAME Szymanski-PT-b12-LTLFireability-10
FORMULA_NAME Szymanski-PT-b12-LTLFireability-11
FORMULA_NAME Szymanski-PT-b12-LTLFireability-12
FORMULA_NAME Szymanski-PT-b12-LTLFireability-13
FORMULA_NAME Szymanski-PT-b12-LTLFireability-14
FORMULA_NAME Szymanski-PT-b12-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749188420494

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 05:40:21] [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]
[2025-06-06 05:40:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 05:40:22] [INFO ] Load time of PNML (sax parser for PT used): 419 ms
[2025-06-06 05:40:22] [INFO ] Transformed 568 places.
[2025-06-06 05:40:22] [INFO ] Transformed 8320 transitions.
[2025-06-06 05:40:22] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 620 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 260 places in 19 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b12-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 54 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 8064
Applied a total of 2 rules in 135 ms. Remains 306 /308 variables (removed 2) and now considering 8064/8064 (removed 0) transitions.
[2025-06-06 05:40:23] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2025-06-06 05:40:23] [INFO ] Computed 1 invariants in 51 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:40:23] [INFO ] Implicit Places using invariants in 668 ms returned []
[2025-06-06 05:40:23] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2025-06-06 05:40:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:40:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:40:55] [INFO ] Performed 265/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:41:02] [INFO ] Implicit Places using invariants and state equation in 38493 ms returned []
Implicit Place search using SMT with State Equation took 39203 ms to find 0 implicit places.
Running 8062 sub problems to find dead transitions.
[2025-06-06 05:41:02] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2025-06-06 05:41:02] [INFO ] Invariant cache hit.
[2025-06-06 05:41:02] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30193 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30106 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74177ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 74255ms
Starting structural reductions in LTL mode, iteration 1 : 306/308 places, 8064/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 113652 ms. Remains : 306/308 places, 8064/8064 transitions.
Support contains 54 out of 306 places after structural reductions.
[2025-06-06 05:42:17] [INFO ] Flatten gal took : 434 ms
[2025-06-06 05:42:17] [INFO ] Flatten gal took : 278 ms
[2025-06-06 05:42:17] [INFO ] Input system was already deterministic with 8064 transitions.
Support contains 52 out of 306 places (down from 54) after GAL structural reductions.
RANDOM walk for 40019 steps (9 resets) in 1631 ms. (24 steps per ms) remains 26/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
[2025-06-06 05:42:18] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2025-06-06 05:42:18] [INFO ] Invariant cache hit.
[2025-06-06 05:42:18] [INFO ] State equation strengthened by 147 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 263/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp20 is UNSAT
At refinement iteration 3 (OVERLAPS) 2733/3039 variables, 306/307 constraints. Problems are: Problem set: 3 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3039 variables, 147/454 constraints. Problems are: Problem set: 3 solved, 19 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3039/3039 variables, and 454 constraints, problems are : Problem set: 3 solved, 19 unsolved in 5021 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 22/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 19 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 272/306 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 2733/3039 variables, 306/307 constraints. Problems are: Problem set: 3 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3039 variables, 147/454 constraints. Problems are: Problem set: 3 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3039 variables, 19/473 constraints. Problems are: Problem set: 3 solved, 19 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3039/3039 variables, and 473 constraints, problems are : Problem set: 3 solved, 19 unsolved in 5020 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 19/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10115ms problems are : Problem set: 3 solved, 19 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 34 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 0 with 55 rules applied. Total rules applied 55 place count 306 transition count 8009
Applied a total of 55 rules in 419 ms. Remains 306 /306 variables (removed 0) and now considering 8009/8064 (removed 55) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 420 ms. Remains : 306/306 places, 8009/8064 transitions.
RANDOM walk for 40014 steps (8 resets) in 197 ms. (202 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (8 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 18/18 properties
Interrupted probabilistic random walk after 130226 steps, run timeout after 3001 ms. (steps per millisecond=43 ) properties seen :2 out of 18
Probabilistic random walk after 130226 steps, saw 101205 distinct states, run finished after 3005 ms. (steps per millisecond=43 ) properties seen :2
[2025-06-06 05:42:32] [INFO ] Flow matrix only has 2678 transitions (discarded 5331 similar events)
// Phase 1: matrix 2678 rows 306 cols
[2025-06-06 05:42:32] [INFO ] Computed 1 invariants in 29 ms
[2025-06-06 05:42:32] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 277/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2678/2984 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2984 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2984 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/2984 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2984/2984 variables, and 454 constraints, problems are : Problem set: 0 solved, 16 unsolved in 7926 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 277/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2678/2984 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2984 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2984 variables, 16/470 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2984/2984 variables, and 470 constraints, problems are : Problem set: 0 solved, 16 unsolved in 45014 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53034ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 29 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8009/8009 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 306 transition count 8008
Applied a total of 1 rules in 214 ms. Remains 306 /306 variables (removed 0) and now considering 8008/8009 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 214 ms. Remains : 306/306 places, 8008/8009 transitions.
RANDOM walk for 40025 steps (11 resets) in 205 ms. (194 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 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 10 ms. (363 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 11 ms. (333 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 10 ms. (364 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 4001 steps (8 resets) in 12 ms. (307 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 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 13 ms. (286 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
Interrupted probabilistic random walk after 153247 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :0 out of 16
Probabilistic random walk after 153247 steps, saw 119366 distinct states, run finished after 3002 ms. (steps per millisecond=51 ) properties seen :0
[2025-06-06 05:43:28] [INFO ] Flow matrix only has 2677 transitions (discarded 5331 similar events)
// Phase 1: matrix 2677 rows 306 cols
[2025-06-06 05:43:28] [INFO ] Computed 1 invariants in 20 ms
[2025-06-06 05:43:28] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 277/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2677/2983 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2983 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2983 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/2983 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2983/2983 variables, and 454 constraints, problems are : Problem set: 0 solved, 16 unsolved in 4529 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 277/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2677/2983 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2983 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2983 variables, 16/470 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2983/2983 variables, and 470 constraints, problems are : Problem set: 0 solved, 16 unsolved in 75016 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79621ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 29 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8008/8008 transitions.
Applied a total of 0 rules in 206 ms. Remains 306 /306 variables (removed 0) and now considering 8008/8008 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 306/306 places, 8008/8008 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8008/8008 transitions.
Applied a total of 0 rules in 191 ms. Remains 306 /306 variables (removed 0) and now considering 8008/8008 (removed 0) transitions.
[2025-06-06 05:44:48] [INFO ] Flow matrix only has 2677 transitions (discarded 5331 similar events)
[2025-06-06 05:44:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:44:49] [INFO ] Implicit Places using invariants in 383 ms returned []
[2025-06-06 05:44:49] [INFO ] Flow matrix only has 2677 transitions (discarded 5331 similar events)
[2025-06-06 05:44:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:44:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:45:02] [INFO ] Implicit Places using invariants and state equation in 13046 ms returned []
Implicit Place search using SMT with State Equation took 13446 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:45:03] [INFO ] Redundant transitions in 926 ms returned []
Running 8006 sub problems to find dead transitions.
[2025-06-06 05:45:03] [INFO ] Flow matrix only has 2677 transitions (discarded 5331 similar events)
[2025-06-06 05:45:03] [INFO ] Invariant cache hit.
[2025-06-06 05:45:03] [INFO ] State equation strengthened by 147 read => feed constraints.
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$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8006 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/2983 variables, and 1 constraints, problems are : Problem set: 0 solved, 8006 unsolved in 30108 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8006/8006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8006 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8006 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/2983 variables, and 1 constraints, problems are : Problem set: 0 solved, 8006 unsolved in 30118 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73507ms problems are : Problem set: 0 solved, 8006 unsolved
Search for dead transitions found 0 dead transitions in 73527ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88121 ms. Remains : 306/306 places, 8008/8008 transitions.
Successfully simplified 3 atomic propositions for a total of 13 simplifications.
FORMULA Szymanski-PT-b12-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 2432 stable transitions
FORMULA Szymanski-PT-b12-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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(X(F(p1))))))'
Support contains 3 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 111 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 05:46:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 05:46:17] [INFO ] Computed 1 invariants in 25 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:46:17] [INFO ] Implicit Places using invariants in 445 ms returned []
[2025-06-06 05:46:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:46:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:46:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:46:49] [INFO ] Performed 272/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:47:03] [INFO ] Implicit Places using invariants and state equation in 45753 ms returned []
Implicit Place search using SMT with State Equation took 46205 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:47:03] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:47:03] [INFO ] Invariant cache hit.
[2025-06-06 05:47:03] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30098 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 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 Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30100 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73574ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73592ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 119936 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 279 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-03
Stuttering criterion allowed to conclude after 705 steps with 1 reset in 22 ms.
FORMULA Szymanski-PT-b12-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b12-LTLFireability-03 finished in 120339 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 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 566 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 05:48:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:48:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:48:18] [INFO ] Implicit Places using invariants in 407 ms returned []
[2025-06-06 05:48:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:48:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:48:20] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:48:50] [INFO ] Performed 115/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:49:12] [INFO ] Implicit Places using invariants and state equation in 53811 ms returned []
Implicit Place search using SMT with State Equation took 54221 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:49:13] [INFO ] Redundant transitions in 804 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:49:13] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:49:13] [INFO ] Invariant cache hit.
[2025-06-06 05:49:13] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30097 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73754ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73767ms
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 129411 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-04
Stuttering criterion allowed to conclude after 176 steps with 0 reset in 4 ms.
FORMULA Szymanski-PT-b12-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b12-LTLFireability-04 finished in 129485 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(!p0)&&F(p1)))||X(G(p2))) U p3))'
Support contains 8 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 66 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 05:50:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:50:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:50:27] [INFO ] Implicit Places using invariants in 388 ms returned []
[2025-06-06 05:50:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:50:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:50:28] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:50:59] [INFO ] Performed 75/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:51:23] [INFO ] Implicit Places using invariants and state equation in 56424 ms returned []
Implicit Place search using SMT with State Equation took 56814 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:51:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:51:23] [INFO ] Invariant cache hit.
[2025-06-06 05:51:23] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30096 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30091 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73358ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73372ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 130279 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 219 ms :[(NOT p3), (AND p0 (NOT p2)), (AND (NOT p1) (NOT p2)), p0, (NOT p1)]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-05
Stuttering criterion allowed to conclude after 657 steps with 9 reset in 7 ms.
FORMULA Szymanski-PT-b12-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b12-LTLFireability-05 finished in 130546 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((G(p1)||p0))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 240 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 05:52:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:52:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:52:38] [INFO ] Implicit Places using invariants in 431 ms returned []
[2025-06-06 05:52:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:52:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:52:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:53:10] [INFO ] Performed 259/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:53:18] [INFO ] Implicit Places using invariants and state equation in 40686 ms returned []
Implicit Place search using SMT with State Equation took 41126 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:53:19] [INFO ] Redundant transitions in 643 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:53:19] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:53:19] [INFO ] Invariant cache hit.
[2025-06-06 05:53:19] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30216 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30096 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74398ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74417ms
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 116484 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 378 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-06
Product exploration explored 100000 steps with 43 reset in 557 ms.
Product exploration explored 100000 steps with 26 reset in 558 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 245 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40024 steps (9 resets) in 271 ms. (147 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (11 resets) in 203 ms. (196 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40004 steps (10 resets) in 133 ms. (298 steps per ms) remains 1/2 properties
[2025-06-06 05:54:36] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:54:36] [INFO ] Invariant cache hit.
[2025-06-06 05:54:36] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 3037/3037 variables, and 306 constraints, problems are : Problem set: 1 solved, 0 unsolved in 567 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 648ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT (OR p0 (NOT p1))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 15 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b12-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b12-LTLFireability-06 finished in 119601 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(F((X((F(p1)||p0))&&F((G(F(!p2))||(F(!p2)&&X(!p3))))))))'
Support contains 7 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 135 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 05:54:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:54:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:54:37] [INFO ] Implicit Places using invariants in 424 ms returned []
[2025-06-06 05:54:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:54:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:54:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:55:09] [INFO ] Performed 90/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:55:35] [INFO ] Implicit Places using invariants and state equation in 57793 ms returned []
Implicit Place search using SMT with State Equation took 58229 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:55:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:55:35] [INFO ] Invariant cache hit.
[2025-06-06 05:55:35] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30099 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78150ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 78168ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 136555 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 363 ms :[(OR p2 (AND (NOT p0) (NOT p1))), (OR p2 (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND p3 p2), p2, (AND (NOT p1) p3 p2), (AND p2 (NOT p1))]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-07
Product exploration explored 100000 steps with 33333 reset in 749 ms.
Product exploration explored 100000 steps with 33333 reset in 674 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p2) p0 p1 (NOT p3)), (X (NOT p2)), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND p2 p3)))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 19 ms. Reduced automaton from 7 states, 13 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b12-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b12-LTLFireability-07 finished in 138430 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 p1) U G((X(G((G(p1) U p0)))||p2)))))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 34 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2025-06-06 05:56:55] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2025-06-06 05:56:55] [INFO ] Computed 1 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:56:55] [INFO ] Implicit Places using invariants in 430 ms returned []
[2025-06-06 05:56:56] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2025-06-06 05:56:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:56:56] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:57:26] [INFO ] Performed 281/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:57:31] [INFO ] Implicit Places using invariants and state equation in 36000 ms returned []
Implicit Place search using SMT with State Equation took 36432 ms to find 0 implicit places.
Running 8062 sub problems to find dead transitions.
[2025-06-06 05:57:32] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2025-06-06 05:57:32] [INFO ] Invariant cache hit.
[2025-06-06 05:57:32] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30103 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 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 Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73488ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 73502ms
Finished structural reductions in LTL mode , in 1 iterations and 109991 ms. Remains : 306/306 places, 8064/8064 transitions.
Stuttering acceptance computed with spot in 280 ms :[(OR p2 p0), (OR p2 p0), (OR p0 p2), p0, (OR (AND p1 p2) (AND p0 p1)), (AND p1 p0)]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-10
Product exploration explored 100000 steps with 33333 reset in 575 ms.
Product exploration explored 100000 steps with 33333 reset in 596 ms.
Computed a total of 12 stabilizing places and 2432 stable transitions
Computed a total of 12 stabilizing places and 2432 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 109 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b12-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b12-LTLFireability-10 finished in 111619 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(X(G(p1)))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 73 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 05:58:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 05:58:47] [INFO ] Computed 1 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:58:47] [INFO ] Implicit Places using invariants in 425 ms returned []
[2025-06-06 05:58:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:58:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:58:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:59:19] [INFO ] Performed 67/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:59:41] [INFO ] Implicit Places using invariants and state equation in 53958 ms returned []
Implicit Place search using SMT with State Equation took 54385 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:59:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:59:41] [INFO ] Invariant cache hit.
[2025-06-06 05:59:41] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30113 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30096 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73746ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73756ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 128230 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 219 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), true]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-11
Entered a terminal (fully accepting) state of product in 22905 steps with 69 reset in 184 ms.
FORMULA Szymanski-PT-b12-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b12-LTLFireability-11 finished in 128655 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(p0))&&F(p1)))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 66 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 06:00:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:00:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:00:56] [INFO ] Implicit Places using invariants in 394 ms returned []
[2025-06-06 06:00:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:00:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:00:57] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 06:01:28] [INFO ] Performed 271/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 06:01:39] [INFO ] Implicit Places using invariants and state equation in 42876 ms returned []
Implicit Place search using SMT with State Equation took 43273 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 06:01:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:01:39] [INFO ] Invariant cache hit.
[2025-06-06 06:01:39] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30099 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 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 Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73523ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73533ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 116894 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-b12-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b12-LTLFireability-12 finished in 117072 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(G(p0))))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 69 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 06:02:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:02:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:02:53] [INFO ] Implicit Places using invariants in 427 ms returned []
[2025-06-06 06:02:53] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:02:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:02:54] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 06:03:25] [INFO ] Performed 123/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 06:03:44] [INFO ] Implicit Places using invariants and state equation in 50978 ms returned []
Implicit Place search using SMT with State Equation took 51409 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 06:03:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:03:44] [INFO ] Invariant cache hit.
[2025-06-06 06:03:44] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s173 1.0)
(s174 1.0)
(s175 1.0)
(s176 1.0)
(s177 1.0)
(s178 1.0)
(s179 1.0)
(s180 1.0)
(s181 1.0)
(s182 1.0)
(s183 1.0)
(s184 1.0)
(s185 1.0)
(s186 1.0)
(s187 1.0)
(s188 1.0)
(s189 1.0)
(s190 1.0)
(s191 1.0)
(s192 1.0)
(s193 1.0)
(s194 1.0)
(s195 1.0)
(s196 1.0)
(s197 1.0)
(s198 1.0)
(s199 1.0)
(s200 1.0)
(s201 1.0)
(s202 1.0)
(s203 1.0)
(s204 1.0)
(s205 1.0)
(s206 1.0)
(s207 1.0)
(s208 1.0)
(s209 1.0)
(s210 1.0)
(s211 1.0)
(s212 1.0)
(s213 1.0)
(s214 1.0)
(s215 1.0)
(s216 1.0)
(s217 1.0)
(s218 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30196 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30103 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 80579ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 80592ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 132113 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 266 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-b12-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b12-LTLFireability-13 finished in 132451 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(F(p0)))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 81 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 06:05:05] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:05:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:05:05] [INFO ] Implicit Places using invariants in 469 ms returned []
[2025-06-06 06:05:05] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:05:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:05:07] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 06:05:37] [INFO ] Performed 264/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 06:05:54] [INFO ] Implicit Places using invariants and state equation in 48239 ms returned []
Implicit Place search using SMT with State Equation took 48722 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 06:05:54] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:05:54] [INFO ] Invariant cache hit.
[2025-06-06 06:05:54] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30101 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 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 Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30097 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 81058ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 81068ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 129893 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 691 ms.
Product exploration explored 100000 steps with 50000 reset in 655 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 33 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b12-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b12-LTLFireability-14 finished in 131423 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(F(p0)))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 86 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 06:07:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:07:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:07:17] [INFO ] Implicit Places using invariants in 832 ms returned []
[2025-06-06 06:07:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:07:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:07:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 06:07:49] [INFO ] Performed 119/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 06:08:01] [INFO ] Implicit Places using invariants and state equation in 43587 ms returned []
Implicit Place search using SMT with State Equation took 44425 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 06:08:01] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 06:08:01] [INFO ] Invariant cache hit.
[2025-06-06 06:08:01] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30093 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 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 Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30095 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74388ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74399ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 118926 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b12-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 708 ms.
Product exploration explored 100000 steps with 50000 reset in 573 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 17 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b12-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b12-LTLFireability-15 finished in 120373 ms.
All properties solved by simple procedures.
Total runtime 1735171 ms.

BK_STOP 1749190157493

--------------------
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="Szymanski-PT-b12"
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 Szymanski-PT-b12, 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 r240-tall-174915589300172"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b12.tgz
mv Szymanski-PT-b12 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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;