fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r240-tall-174915589300148
Last Updated
June 24, 2025

About the Execution of ITS-Tools for Szymanski-PT-b06

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 3600000.00 0.00 0.00 FFFTTFF??FFF???? normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589300148.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-b06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589300148
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 6.3K 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 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K 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-b06-LTLFireability-00
FORMULA_NAME Szymanski-PT-b06-LTLFireability-01
FORMULA_NAME Szymanski-PT-b06-LTLFireability-02
FORMULA_NAME Szymanski-PT-b06-LTLFireability-03
FORMULA_NAME Szymanski-PT-b06-LTLFireability-04
FORMULA_NAME Szymanski-PT-b06-LTLFireability-05
FORMULA_NAME Szymanski-PT-b06-LTLFireability-06
FORMULA_NAME Szymanski-PT-b06-LTLFireability-07
FORMULA_NAME Szymanski-PT-b06-LTLFireability-08
FORMULA_NAME Szymanski-PT-b06-LTLFireability-09
FORMULA_NAME Szymanski-PT-b06-LTLFireability-10
FORMULA_NAME Szymanski-PT-b06-LTLFireability-11
FORMULA_NAME Szymanski-PT-b06-LTLFireability-12
FORMULA_NAME Szymanski-PT-b06-LTLFireability-13
FORMULA_NAME Szymanski-PT-b06-LTLFireability-14
FORMULA_NAME Szymanski-PT-b06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749178142393

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-b06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 02:49:03] [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 02:49:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 02:49:04] [INFO ] Load time of PNML (sax parser for PT used): 401 ms
[2025-06-06 02:49:04] [INFO ] Transformed 568 places.
[2025-06-06 02:49:04] [INFO ] Transformed 8320 transitions.
[2025-06-06 02:49:04] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 610 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 25 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 260 places in 22 ms
Reduce places removed 260 places and 256 transitions.
Support contains 52 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
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 305 transition count 7936
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 305 transition count 7936
Applied a total of 4 rules in 186 ms. Remains 305 /308 variables (removed 3) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 02:49:05] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 02:49:05] [INFO ] Computed 1 invariants in 56 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:49:05] [INFO ] Implicit Places using invariants in 804 ms returned []
[2025-06-06 02:49:05] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:49:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:49:06] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 02:49:26] [INFO ] Implicit Places using invariants and state equation in 20707 ms returned []
Implicit Place search using SMT with State Equation took 21552 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 02:49:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:49:26] [INFO ] Invariant cache hit.
[2025-06-06 02:49:26] [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 30202 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 30099 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 74605ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74686ms
Starting structural reductions in LTL mode, iteration 1 : 305/308 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 96497 ms. Remains : 305/308 places, 7936/8064 transitions.
Support contains 52 out of 305 places after structural reductions.
[2025-06-06 02:50:41] [INFO ] Flatten gal took : 433 ms
[2025-06-06 02:50:42] [INFO ] Flatten gal took : 248 ms
[2025-06-06 02:50:42] [INFO ] Input system was already deterministic with 7936 transitions.
Reduction of identical properties reduced properties to check from 33 to 31
RANDOM walk for 40006 steps (11 resets) in 2141 ms. (18 steps per ms) remains 27/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 101 ms. (39 steps per ms) remains 26/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 84 ms. (47 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 109 ms. (36 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
[2025-06-06 02:50:43] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:50:43] [INFO ] Invariant cache hit.
[2025-06-06 02:50:43] [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) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 264/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 24 unsolved in 5017 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 264/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 477 constraints, problems are : Problem set: 0 solved, 24 unsolved in 5022 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10126ms problems are : Problem set: 0 solved, 24 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 41 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 103 transitions
Reduce isomorphic transitions removed 103 transitions.
Iterating post reduction 0 with 103 rules applied. Total rules applied 103 place count 305 transition count 7833
Applied a total of 103 rules in 377 ms. Remains 305 /305 variables (removed 0) and now considering 7833/7936 (removed 103) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 379 ms. Remains : 305/305 places, 7833/7936 transitions.
RANDOM walk for 40008 steps (8 resets) in 434 ms. (91 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 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 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 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 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 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 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 22/22 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 13 ms. (286 steps per ms) remains 22/22 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 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
Interrupted probabilistic random walk after 141414 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :1 out of 22
Probabilistic random walk after 141414 steps, saw 76567 distinct states, run finished after 3006 ms. (steps per millisecond=47 ) properties seen :1
[2025-06-06 02:50:57] [INFO ] Flow matrix only has 2629 transitions (discarded 5204 similar events)
// Phase 1: matrix 2629 rows 305 cols
[2025-06-06 02:50:57] [INFO ] Computed 1 invariants in 32 ms
[2025-06-06 02:50:57] [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) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 270/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 2629/2934 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2934 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2934 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 0/2934 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2934/2934 variables, and 453 constraints, problems are : Problem set: 0 solved, 21 unsolved in 19104 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 270/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 2629/2934 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2934 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2934 variables, 21/474 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2934/2934 variables, and 474 constraints, problems are : Problem set: 0 solved, 21 unsolved in 45014 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64221ms problems are : Problem set: 0 solved, 21 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 35 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7833/7833 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 305 transition count 7828
Applied a total of 5 rules in 221 ms. Remains 305 /305 variables (removed 0) and now considering 7828/7833 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 221 ms. Remains : 305/305 places, 7828/7833 transitions.
RANDOM walk for 40008 steps (8 resets) in 291 ms. (137 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (8 resets) in 17 ms. (222 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (8 resets) in 11 ms. (333 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (8 resets) in 12 ms. (307 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 21/21 properties
Interrupted probabilistic random walk after 134753 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :0 out of 21
Probabilistic random walk after 134753 steps, saw 71652 distinct states, run finished after 3001 ms. (steps per millisecond=44 ) properties seen :0
[2025-06-06 02:52:05] [INFO ] Flow matrix only has 2624 transitions (discarded 5204 similar events)
// Phase 1: matrix 2624 rows 305 cols
[2025-06-06 02:52:05] [INFO ] Computed 1 invariants in 16 ms
[2025-06-06 02:52:05] [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) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 270/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 2624/2929 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2929 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2929 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 0/2929 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2929/2929 variables, and 453 constraints, problems are : Problem set: 0 solved, 21 unsolved in 34022 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 270/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 2624/2929 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2929 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2929 variables, 21/474 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2929/2929 variables, and 474 constraints, problems are : Problem set: 0 solved, 21 unsolved in 75024 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 109118ms problems are : Problem set: 0 solved, 21 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 35 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7828/7828 transitions.
Applied a total of 0 rules in 284 ms. Remains 305 /305 variables (removed 0) and now considering 7828/7828 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 285 ms. Remains : 305/305 places, 7828/7828 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7828/7828 transitions.
Applied a total of 0 rules in 201 ms. Remains 305 /305 variables (removed 0) and now considering 7828/7828 (removed 0) transitions.
[2025-06-06 02:53:54] [INFO ] Flow matrix only has 2624 transitions (discarded 5204 similar events)
[2025-06-06 02:53:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:53:55] [INFO ] Implicit Places using invariants in 362 ms returned []
[2025-06-06 02:53:55] [INFO ] Flow matrix only has 2624 transitions (discarded 5204 similar events)
[2025-06-06 02:53:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:53:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 02:54:25] [INFO ] Implicit Places using invariants and state equation in 30063 ms returned []
Implicit Place search using SMT with State Equation took 30452 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 02:54:26] [INFO ] Redundant transitions in 917 ms returned []
Running 7826 sub problems to find dead transitions.
[2025-06-06 02:54:26] [INFO ] Flow matrix only has 2624 transitions (discarded 5204 similar events)
[2025-06-06 02:54:26] [INFO ] Invariant cache hit.
[2025-06-06 02:54:26] [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, 7826 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2929 variables, and 1 constraints, problems are : Problem set: 0 solved, 7826 unsolved in 30096 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7826/7826 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7826 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, 7826 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2929 variables, and 1 constraints, problems are : Problem set: 0 solved, 7826 unsolved in 30090 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7826 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73800ms problems are : Problem set: 0 solved, 7826 unsolved
Search for dead transitions found 0 dead transitions in 73816ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 105412 ms. Remains : 305/305 places, 7828/7828 transitions.
Computed a total of 11 stabilizing places and 2304 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' '!((F(p0) U p1))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 364 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 02:55:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 02:55:40] [INFO ] Computed 1 invariants in 24 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:55:41] [INFO ] Implicit Places using invariants in 451 ms returned []
[2025-06-06 02:55:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:55:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:55:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 02:56:08] [INFO ] Implicit Places using invariants and state equation in 27423 ms returned []
Implicit Place search using SMT with State Equation took 27880 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 02:56:09] [INFO ] Redundant transitions in 812 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 02:56:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:56:09] [INFO ] Invariant cache hit.
[2025-06-06 02:56:09] [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)
(s1 1.0)
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(s121 1.0)
(s122 1.0)
(s123 timeout
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 30102 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 30088 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 74106ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74121ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 103217 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 219 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 555 ms.
Stack based approach found an accepted trace after 80 steps with 0 reset with depth 81 and stack size 81 in 2 ms.
FORMULA Szymanski-PT-b06-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-00 finished in 104065 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 3 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 212 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 02:57:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:57:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:57:25] [INFO ] Implicit Places using invariants in 391 ms returned []
[2025-06-06 02:57:25] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:57:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:57:26] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 02:57:47] [INFO ] Implicit Places using invariants and state equation in 22932 ms returned []
Implicit Place search using SMT with State Equation took 23326 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 02:57:48] [INFO ] Redundant transitions in 631 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 02:57:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:57:48] [INFO ] Invariant cache hit.
[2025-06-06 02:57:48] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
(s206 1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s206 1.0timeout
)
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 30106 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 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 73569ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73583ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 97785 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-01
Stuttering criterion allowed to conclude after 242 steps with 0 reset in 2 ms.
FORMULA Szymanski-PT-b06-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-01 finished in 97931 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 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 197 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 02:59:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:59:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:59:02] [INFO ] Implicit Places using invariants in 407 ms returned []
[2025-06-06 02:59:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:59:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:59:03] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 02:59:26] [INFO ] Implicit Places using invariants and state equation in 23294 ms returned []
Implicit Place search using SMT with State Equation took 23706 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 02:59:27] [INFO ] Redundant transitions in 882 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 02:59:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 02:59:27] [INFO ] Invariant cache hit.
[2025-06-06 02:59:27] [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 30085 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 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 73627ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73640ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 98453 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-02
Stuttering criterion allowed to conclude after 119 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-b06-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-02 finished in 98534 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((X(X(X(X(F(p1)))))||p0))))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 200 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:00:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:00:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:00:41] [INFO ] Implicit Places using invariants in 428 ms returned []
[2025-06-06 03:00:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:00:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:00:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:01:03] [INFO ] Implicit Places using invariants and state equation in 22251 ms returned []
Implicit Place search using SMT with State Equation took 22684 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:01:04] [INFO ] Redundant transitions in 631 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:01:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:01:04] [INFO ] Invariant cache hit.
[2025-06-06 03:01:04] [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 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 74118ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74131ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 97690 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-03
Product exploration explored 100000 steps with 3 reset in 406 ms.
Product exploration explored 100000 steps with 1 reset in 535 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 p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 110 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 60 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40004 steps (10 resets) in 349 ms. (114 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40002 steps (9 resets) in 200 ms. (199 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (10 resets) in 212 ms. (187 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (11 resets) in 131 ms. (303 steps per ms) remains 3/3 properties
[2025-06-06 03:02:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:02:20] [INFO ] Invariant cache hit.
[2025-06-06 03:02:20] [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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf0 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1063 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
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: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 1 solved, 2 unsolved in 2384 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3477ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 172 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 211 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 212 ms. Remains : 305/305 places, 7809/7936 transitions.
RANDOM walk for 40013 steps (8 resets) in 219 ms. (181 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (9 resets) in 103 ms. (384 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 158437 steps, run timeout after 3001 ms. (steps per millisecond=52 ) properties seen :0 out of 2
Probabilistic random walk after 158437 steps, saw 80414 distinct states, run finished after 3001 ms. (steps per millisecond=52 ) properties seen :0
[2025-06-06 03:02:27] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2025-06-06 03:02:27] [INFO ] Computed 2 invariants in 20 ms
[2025-06-06 03:02:27] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2605/2910 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2910 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2910 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/2910 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2910/2910 variables, and 454 constraints, problems are : Problem set: 0 solved, 2 unsolved in 861 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2605/2910 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2910 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2910 variables, 2/456 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2910 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/2910 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2910/2910 variables, and 456 constraints, problems are : Problem set: 0 solved, 2 unsolved in 8578 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9491ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 734 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 200 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 200 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 198 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2025-06-06 03:02:37] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:02:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:02:38] [INFO ] Implicit Places using invariants in 440 ms returned []
[2025-06-06 03:02:38] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:02:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:02:38] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:03:10] [INFO ] Performed 108/305 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2025-06-06 03:03:26] [INFO ] Implicit Places using invariants and state equation in 47752 ms returned []
Implicit Place search using SMT with State Equation took 48194 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:03:26] [INFO ] Redundant transitions in 624 ms returned []
Running 7807 sub problems to find dead transitions.
[2025-06-06 03:03:26] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:03:26] [INFO ] Invariant cache hit.
[2025-06-06 03:03:26] [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, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30096 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7807/7807 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7807 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30093 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7807 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74067ms problems are : Problem set: 0 solved, 7807 unsolved
Search for dead transitions found 0 dead transitions in 74083ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 123132 ms. Remains : 305/305 places, 7809/7809 transitions.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 21 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-b06-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b06-LTLFireability-03 finished in 239866 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X(G(p1))) U X(!p2)))'
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 37 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:04:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:04:40] [INFO ] Computed 1 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:04:41] [INFO ] Implicit Places using invariants in 402 ms returned []
[2025-06-06 03:04:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:04:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:04:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:05:04] [INFO ] Implicit Places using invariants and state equation in 23185 ms returned []
Implicit Place search using SMT with State Equation took 23593 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:05:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:05:04] [INFO ] Invariant cache hit.
[2025-06-06 03:05:04] [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 30094 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 74287ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74299ms
Finished structural reductions in LTL mode , in 1 iterations and 97953 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 293 ms :[p2, (AND (NOT p1) p2), p2, (AND (NOT p1) p2), true, (NOT p1), (AND (NOT p0) p1), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 700 ms.
Product exploration explored 100000 steps with 50000 reset in 630 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 p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND p2 p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 25 factoid took 39 ms. Reduced automaton from 8 states, 22 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b06-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b06-LTLFireability-04 finished in 99682 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((!p1 U G(p0))))))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 35 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:06:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:06:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:06:21] [INFO ] Implicit Places using invariants in 594 ms returned []
[2025-06-06 03:06:21] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:06:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:06:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:06:45] [INFO ] Implicit Places using invariants and state equation in 24018 ms returned []
Implicit Place search using SMT with State Equation took 24617 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:06:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:06:45] [INFO ] Invariant cache hit.
[2025-06-06 03:06:45] [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) 0/305 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 30095 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 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 73980ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73991ms
Finished structural reductions in LTL mode , in 1 iterations and 98652 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 141 ms :[(NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-05
Stuttering criterion allowed to conclude after 221 steps with 0 reset in 5 ms.
FORMULA Szymanski-PT-b06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-05 finished in 98826 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 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 190 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:07:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:07:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:07:59] [INFO ] Implicit Places using invariants in 413 ms returned []
[2025-06-06 03:07:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:07:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:08:00] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:08:20] [INFO ] Implicit Places using invariants and state equation in 20865 ms returned []
Implicit Place search using SMT with State Equation took 21284 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:08:21] [INFO ] Redundant transitions in 668 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:08:21] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:08:21] [INFO ] Invariant cache hit.
[2025-06-06 03:08:21] [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 30090 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 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 74119ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74128ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 96292 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-06
Product exploration explored 100000 steps with 10 reset in 516 ms.
Product exploration explored 100000 steps with 11 reset in 476 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 p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 90 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[true, (NOT p0)]
RANDOM walk for 40012 steps (15 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 35249 steps (8 resets) in 62 ms. (559 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p0))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 9 factoid took 147 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b06-LTLFireability-06 FALSE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b06-LTLFireability-06 finished in 97840 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(!X(p0)) U p1)&&X((G(F(p2)) U !X(p2)))))'
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 34 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:09:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:09:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:09:37] [INFO ] Implicit Places using invariants in 387 ms returned []
[2025-06-06 03:09:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:09:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:09:38] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:10:08] [INFO ] Performed 299/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 03:10:10] [INFO ] Implicit Places using invariants and state equation in 33027 ms returned []
Implicit Place search using SMT with State Equation took 33420 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:10:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:10:10] [INFO ] Invariant cache hit.
[2025-06-06 03:10:10] [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 30094 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 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 74337ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74347ms
Finished structural reductions in LTL mode , in 1 iterations and 107819 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 260 ms :[(OR (NOT p1) p2), (OR (NOT p1) p0), p2, p0, true, p2, (NOT p2), (NOT p2)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-07
Product exploration explored 100000 steps with 28555 reset in 568 ms.
Product exploration explored 100000 steps with 28576 reset in 601 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 p1) (NOT p0) (NOT p2)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 96 ms. Reduced automaton from 8 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, true]
RANDOM walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (11 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
[2025-06-06 03:11:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:11:26] [INFO ] Invariant cache hit.
[2025-06-06 03:11:26] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 901 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1592 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2517ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 197 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 198 ms. Remains : 305/305 places, 7809/7936 transitions.
RANDOM walk for 40008 steps (8 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 195179 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :0 out of 1
Probabilistic random walk after 195179 steps, saw 85585 distinct states, run finished after 3001 ms. (steps per millisecond=65 ) properties seen :0
[2025-06-06 03:11:32] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2025-06-06 03:11:32] [INFO ] Computed 2 invariants in 19 ms
[2025-06-06 03:11:32] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 274/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:11:33] [INFO ] Deduced a trap composed of 37 places in 684 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:11:33] [INFO ] Deduced a trap composed of 81 places in 460 ms of which 17 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2605/2910 variables, 305/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2910 variables, 147/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2910 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/2910 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2910/2910 variables, and 456 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2090 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 274/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:11:35] [INFO ] Deduced a trap composed of 45 places in 465 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:11:35] [INFO ] Deduced a trap composed of 59 places in 422 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:11:36] [INFO ] Deduced a trap composed of 58 places in 426 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:11:36] [INFO ] Deduced a trap composed of 72 places in 431 ms of which 32 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2605/2910 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2910/2910 variables, and 460 constraints, problems are : Problem set: 0 solved, 1 unsolved in 7982 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10114ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 122 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 185 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2025-06-06 03:11:43] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:11:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:11:43] [INFO ] Implicit Places using invariants in 484 ms returned []
[2025-06-06 03:11:43] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:11:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:11:44] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:12:11] [INFO ] Implicit Places using invariants and state equation in 27795 ms returned []
Implicit Place search using SMT with State Equation took 28284 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:12:12] [INFO ] Redundant transitions in 636 ms returned []
Running 7807 sub problems to find dead transitions.
[2025-06-06 03:12:12] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:12:12] [INFO ] Invariant cache hit.
[2025-06-06 03:12:12] [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, 7807 unsolved
SMT process timed out in 43459ms, After SMT, problems are : Problem set: 0 solved, 7807 unsolved
Search for dead transitions found 0 dead transitions in 43469ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72590 ms. Remains : 305/305 places, 7809/7809 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 5072 edges and 305 vertex of which 37 / 305 are part of one of the 2 SCC in 5 ms
Free SCC test removed 35 places
Drop transitions (Empty/Sink Transition effects.) removed 4072 transitions
Ensure Unique test removed 1372 transitions
Reduce isomorphic transitions removed 5444 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 270 transition count 1949
Applied a total of 417 rules in 199 ms. Remains 270 /305 variables (removed 35) and now considering 1949/7809 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1949 rows 270 cols
[2025-06-06 03:12:55] [INFO ] Computed 2 invariants in 12 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 03:12:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-06 03:12:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 03:12:56] [INFO ] After 514ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 03:12:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-06 03:12:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 03:12:56] [INFO ] After 394ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-06 03:12:56] [INFO ] State equation strengthened by 504 read => feed constraints.
[2025-06-06 03:12:57] [INFO ] After 501ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-06 03:12:57] [INFO ] After 583ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-06 03:12:57] [INFO ] After 1100ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 1848 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 121 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, true]
Stuttering acceptance computed with spot in 106 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, true]
[2025-06-06 03:12:57] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:12:57] [INFO ] Computed 1 invariants in 18 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 03:13:00] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-06 03:13:00] [INFO ] [Real]Absence check using state equation in 497 ms returned sat
[2025-06-06 03:13:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 03:13:02] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 03:13:03] [INFO ] [Nat]Absence check using state equation in 544 ms returned sat
[2025-06-06 03:13:03] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:13:04] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 03:13:05] [INFO ] [Nat]Added 147 Read/Feed constraints in 1792 ms returned sat
[2025-06-06 03:13:06] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2721 transitions) in 881 ms.
[2025-06-06 03:13:06] [INFO ] Added : 0 causal constraints over 0 iterations in 1084 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 4 out of 305 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 45 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:13:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:13:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:13:06] [INFO ] Implicit Places using invariants in 353 ms returned []
[2025-06-06 03:13:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:13:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:13:07] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:13:37] [INFO ] Performed 302/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 03:13:38] [INFO ] Implicit Places using invariants and state equation in 31771 ms returned []
Implicit Place search using SMT with State Equation took 32127 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:13:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:13:38] [INFO ] Invariant cache hit.
[2025-06-06 03:13:38] [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 30111 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 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 74457ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74472ms
Finished structural reductions in LTL mode , in 1 iterations and 106654 ms. Remains : 305/305 places, 7936/7936 transitions.
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 p1) (NOT p0)), (X (NOT p1)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 78 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, true]
RANDOM walk for 40003 steps (12 resets) in 135 ms. (294 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (9 resets) in 67 ms. (588 steps per ms) remains 1/2 properties
[2025-06-06 03:14:53] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:14:53] [INFO ] Invariant cache hit.
[2025-06-06 03:14:53] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 878 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1620 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2516ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 202 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 202 ms. Remains : 305/305 places, 7809/7936 transitions.
RANDOM walk for 40013 steps (8 resets) in 126 ms. (315 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 194311 steps, run timeout after 3001 ms. (steps per millisecond=64 ) properties seen :0 out of 1
Probabilistic random walk after 194311 steps, saw 85476 distinct states, run finished after 3001 ms. (steps per millisecond=64 ) properties seen :0
[2025-06-06 03:14:59] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2025-06-06 03:14:59] [INFO ] Computed 2 invariants in 19 ms
[2025-06-06 03:14:59] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 274/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:14:59] [INFO ] Deduced a trap composed of 37 places in 683 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:15:00] [INFO ] Deduced a trap composed of 81 places in 462 ms of which 16 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2605/2910 variables, 305/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2910 variables, 147/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2910 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/2910 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2910/2910 variables, and 456 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2047 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 274/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:15:01] [INFO ] Deduced a trap composed of 45 places in 483 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:15:02] [INFO ] Deduced a trap composed of 59 places in 447 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:15:02] [INFO ] Deduced a trap composed of 58 places in 420 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:15:03] [INFO ] Deduced a trap composed of 72 places in 430 ms of which 32 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2605/2910 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2910/2910 variables, and 460 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9798 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11890ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 129 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 192 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 192 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2025-06-06 03:15:11] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:15:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:15:12] [INFO ] Implicit Places using invariants in 474 ms returned []
[2025-06-06 03:15:12] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:15:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:15:12] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:15:39] [INFO ] Implicit Places using invariants and state equation in 27304 ms returned []
Implicit Place search using SMT with State Equation took 27783 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:15:40] [INFO ] Redundant transitions in 669 ms returned []
Running 7807 sub problems to find dead transitions.
[2025-06-06 03:15:40] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 03:15:40] [INFO ] Invariant cache hit.
[2025-06-06 03:15:40] [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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(s148 timeout
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, 7807 unsolved
SMT process timed out in 43866ms, After SMT, problems are : Problem set: 0 solved, 7807 unsolved
Search for dead transitions found 0 dead transitions in 43876ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72542 ms. Remains : 305/305 places, 7809/7809 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 5072 edges and 305 vertex of which 37 / 305 are part of one of the 2 SCC in 2 ms
Free SCC test removed 35 places
Drop transitions (Empty/Sink Transition effects.) removed 4072 transitions
Ensure Unique test removed 1372 transitions
Reduce isomorphic transitions removed 5444 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 270 transition count 1949
Applied a total of 417 rules in 135 ms. Remains 270 /305 variables (removed 35) and now considering 1949/7809 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1949 rows 270 cols
[2025-06-06 03:16:24] [INFO ] Computed 2 invariants in 18 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 03:16:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-06 03:16:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-06 03:16:24] [INFO ] After 480ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 03:16:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-06 03:16:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 03:16:24] [INFO ] After 379ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-06 03:16:25] [INFO ] State equation strengthened by 504 read => feed constraints.
[2025-06-06 03:16:25] [INFO ] After 491ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-06 03:16:25] [INFO ] After 568ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-06 03:16:25] [INFO ] After 1069ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 1717 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 122 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, true]
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, true]
[2025-06-06 03:16:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:16:26] [INFO ] Computed 1 invariants in 23 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 03:16:28] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 03:16:28] [INFO ] [Real]Absence check using state equation in 531 ms returned sat
[2025-06-06 03:16:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 03:16:31] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 03:16:31] [INFO ] [Nat]Absence check using state equation in 519 ms returned sat
[2025-06-06 03:16:31] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:16:33] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 03:16:34] [INFO ] [Nat]Added 147 Read/Feed constraints in 2677 ms returned sat
[2025-06-06 03:16:34] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2721 transitions) in 496 ms.
[2025-06-06 03:16:35] [INFO ] Added : 1 causal constraints over 1 iterations in 788 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 97 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, true]
Product exploration explored 100000 steps with 24981 reset in 619 ms.
Product exploration explored 100000 steps with 25104 reset in 600 ms.
Applying partial POR strategy [false, false, true, true]
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, true]
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 221 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:16:37] [INFO ] Redundant transitions in 630 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:16:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:16:37] [INFO ] Invariant cache hit.
[2025-06-06 03:16:37] [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 30095 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 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 73628ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73638ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 74508 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin10238762318151697252
[2025-06-06 03:17:51] [INFO ] Built C files in 102ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10238762318151697252
Running compilation step : cd /tmp/ltsmin10238762318151697252;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin10238762318151697252;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin10238762318151697252;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 31 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:17:54] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:17:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:17:54] [INFO ] Implicit Places using invariants in 383 ms returned []
[2025-06-06 03:17:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:17:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:17:56] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:18:18] [INFO ] Implicit Places using invariants and state equation in 23707 ms returned []
Implicit Place search using SMT with State Equation took 24093 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:18:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:18:18] [INFO ] Invariant cache hit.
[2025-06-06 03:18:18] [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 30093 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 73463ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73473ms
Finished structural reductions in LTL mode , in 1 iterations and 97608 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin9688294967244244976
[2025-06-06 03:19:32] [INFO ] Built C files in 73ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9688294967244244976
Running compilation step : cd /tmp/ltsmin9688294967244244976;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9688294967244244976;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9688294967244244976;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2025-06-06 03:19:35] [INFO ] Flatten gal took : 192 ms
[2025-06-06 03:19:35] [INFO ] Flatten gal took : 184 ms
[2025-06-06 03:19:35] [INFO ] Time to serialize gal into /tmp/LTL11228887751473268932.gal : 51 ms
[2025-06-06 03:19:36] [INFO ] Time to serialize properties into /tmp/LTL9087726150513861444.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL11228887751473268932.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5999853261351136746.hoa' '-atoms' '/tmp/LTL9087726150513861444.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL9087726150513861444.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5999853261351136746.hoa
Detected timeout of ITS tools.
[2025-06-06 03:19:51] [INFO ] Flatten gal took : 174 ms
[2025-06-06 03:19:51] [INFO ] Flatten gal took : 176 ms
[2025-06-06 03:19:51] [INFO ] Time to serialize gal into /tmp/LTL2256200268330185969.gal : 25 ms
[2025-06-06 03:19:51] [INFO ] Time to serialize properties into /tmp/LTL1740318991147373803.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2256200268330185969.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1740318991147373803.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((((X(!(X("((p54>=1)&&(l19>=1))"))))U("((p41>=1)&&(l44>=1))"))&&(X((G(F("((p104>=1)&&(l29>=1))")))U(!(X("((p104>=1)&&(l29>=1))"))))))...156
Formula 0 simplified : (!"((p41>=1)&&(l44>=1))" & X(!"((p41>=1)&&(l44>=1))" W X"((p54>=1)&&(l19>=1))")) | XX(FG!"((p104>=1)&&(l29>=1))" R "((p104>=1)&&(l29...162
Detected timeout of ITS tools.
[2025-06-06 03:20:06] [INFO ] Flatten gal took : 167 ms
[2025-06-06 03:20:06] [INFO ] Applying decomposition
[2025-06-06 03:20:06] [INFO ] Flatten gal took : 170 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17096581393559401925.txt' '-o' '/tmp/graph17096581393559401925.bin' '-w' '/tmp/graph17096581393559401925.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17096581393559401925.bin' '-l' '-1' '-v' '-w' '/tmp/graph17096581393559401925.weights' '-q' '0' '-e' '0.001'
[2025-06-06 03:20:07] [INFO ] Decomposing Gal with order
[2025-06-06 03:20:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 03:20:08] [INFO ] Removed a total of 18142 redundant transitions.
[2025-06-06 03:20:08] [INFO ] Flatten gal took : 911 ms
[2025-06-06 03:20:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 1145 labels/synchronizations in 297 ms.
[2025-06-06 03:20:09] [INFO ] Time to serialize gal into /tmp/LTL9070077079150843441.gal : 38 ms
[2025-06-06 03:20:09] [INFO ] Time to serialize properties into /tmp/LTL4253046941961199562.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9070077079150843441.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4253046941961199562.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((((X(!(X("((u49.p54>=1)&&(i4.u51.l19>=1))"))))U("((i8.i1.u14.p41>=1)&&(i7.u60.l44>=1))"))&&(X((G(F("((i2.u55.p104>=1)&&(i2.u55.l29>=...212
Formula 0 simplified : (!"((i8.i1.u14.p41>=1)&&(i7.u60.l44>=1))" & X(!"((i8.i1.u14.p41>=1)&&(i7.u60.l44>=1))" W X"((u49.p54>=1)&&(i4.u51.l19>=1))")) | XX(F...235
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b06-LTLFireability-07 finished in 647048 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((X((G(p2)||p1))||p0))))'
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 35 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:20:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:20:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:20:24] [INFO ] Implicit Places using invariants in 421 ms returned []
[2025-06-06 03:20:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:20:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:20:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:20:47] [INFO ] Implicit Places using invariants and state equation in 23099 ms returned []
Implicit Place search using SMT with State Equation took 23522 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:20:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:20:47] [INFO ] Invariant cache hit.
[2025-06-06 03:20:47] [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 30126 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 30104 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 73764ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73776ms
Finished structural reductions in LTL mode , in 1 iterations and 97343 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 188 ms :[true, (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-08
Product exploration explored 100000 steps with 1 reset in 377 ms.
Product exploration explored 100000 steps with 2 reset in 450 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 (NOT p2) p0), (X p0), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 116 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 186 ms :[true, (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2) (NOT p1))]
RANDOM walk for 40010 steps (8 resets) in 232 ms. (171 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (10 resets) in 83 ms. (476 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (12 resets) in 288 ms. (138 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (13 resets) in 185 ms. (215 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (10 resets) in 72 ms. (547 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (13 resets) in 71 ms. (555 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (13 resets) in 68 ms. (579 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (14 resets) in 69 ms. (571 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 143045 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :0 out of 7
Probabilistic random walk after 143045 steps, saw 81261 distinct states, run finished after 3001 ms. (steps per millisecond=47 ) properties seen :0
[2025-06-06 03:22:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:22:06] [INFO ] Invariant cache hit.
[2025-06-06 03:22:06] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem apf2 is UNSAT
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 1 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 1 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 1 solved, 6 unsolved in 2199 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 6 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 6/459 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 459 constraints, problems are : Problem set: 1 solved, 6 unsolved in 5023 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 6/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7256ms problems are : Problem set: 1 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 192 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 305/305 places, 7810/7936 transitions.
RANDOM walk for 40013 steps (8 resets) in 181 ms. (219 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 71 ms. (555 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 116 ms. (341 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 68 ms. (579 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 141837 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :0 out of 6
Probabilistic random walk after 141837 steps, saw 73782 distinct states, run finished after 3001 ms. (steps per millisecond=47 ) properties seen :0
[2025-06-06 03:22:16] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2025-06-06 03:22:16] [INFO ] Computed 1 invariants in 22 ms
[2025-06-06 03:22:16] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:22:17] [INFO ] Deduced a trap composed of 31 places in 687 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:22:18] [INFO ] Deduced a trap composed of 45 places in 609 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:22:18] [INFO ] Deduced a trap composed of 86 places in 595 ms of which 31 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 2606/2911 variables, 305/309 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2911 variables, 147/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/2911 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2911/2911 variables, and 456 constraints, problems are : Problem set: 0 solved, 6 unsolved in 8730 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:22:26] [INFO ] Deduced a trap composed of 89 places in 484 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:22:26] [INFO ] Deduced a trap composed of 138 places in 438 ms of which 27 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 2606/2911 variables, 305/311 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 147/458 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2911 variables, 6/464 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2911 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/2911 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2911/2911 variables, and 464 constraints, problems are : Problem set: 0 solved, 6 unsolved in 19389 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28169ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 2578 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2025-06-06 03:22:48] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:22:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:22:48] [INFO ] Implicit Places using invariants in 403 ms returned []
[2025-06-06 03:22:48] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:22:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:22:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:23:19] [INFO ] Performed 301/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 03:23:19] [INFO ] Implicit Places using invariants and state equation in 31052 ms returned []
Implicit Place search using SMT with State Equation took 31459 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:23:20] [INFO ] Redundant transitions in 646 ms returned []
Running 7808 sub problems to find dead transitions.
[2025-06-06 03:23:20] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:23:20] [INFO ] Invariant cache hit.
[2025-06-06 03:23:20] [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, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30095 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7808/7808 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7808 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, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30104 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7808 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74419ms problems are : Problem set: 0 solved, 7808 unsolved
Search for dead transitions found 0 dead transitions in 74429ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106743 ms. Remains : 305/305 places, 7810/7810 transitions.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p2) p0), (X p0), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p1)), (G (OR p1 (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 135 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 137 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 305 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 33 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:24:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:24:35] [INFO ] Computed 1 invariants in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:24:35] [INFO ] Implicit Places using invariants in 456 ms returned []
[2025-06-06 03:24:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:24:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:24:36] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:24:59] [INFO ] Implicit Places using invariants and state equation in 23994 ms returned []
Implicit Place search using SMT with State Equation took 24454 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:24:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:24:59] [INFO ] Invariant cache hit.
[2025-06-06 03:24:59] [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
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 30098 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 73680ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73692ms
Finished structural reductions in LTL mode , in 1 iterations and 98196 ms. Remains : 305/305 places, 7936/7936 transitions.
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 p0), (X (X (AND p1 p0))), (X (X p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 110 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 122 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40010 steps (8 resets) in 132 ms. (300 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (11 resets) in 71 ms. (555 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (14 resets) in 61 ms. (645 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (13 resets) in 66 ms. (597 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (13 resets) in 67 ms. (588 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 144598 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :0 out of 4
Probabilistic random walk after 144598 steps, saw 81588 distinct states, run finished after 3002 ms. (steps per millisecond=48 ) properties seen :0
[2025-06-06 03:26:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:26:16] [INFO ] Invariant cache hit.
[2025-06-06 03:26:16] [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, 4 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2152 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 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, 4 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 4 unsolved in 4697 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6875ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 233 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 305/305 places, 7810/7936 transitions.
RANDOM walk for 40013 steps (8 resets) in 166 ms. (239 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 61 ms. (645 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 158756 steps, run timeout after 3001 ms. (steps per millisecond=52 ) properties seen :0 out of 4
Probabilistic random walk after 158756 steps, saw 80433 distinct states, run finished after 3001 ms. (steps per millisecond=52 ) properties seen :0
[2025-06-06 03:26:27] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2025-06-06 03:26:27] [INFO ] Computed 1 invariants in 17 ms
[2025-06-06 03:26:27] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:26:27] [INFO ] Deduced a trap composed of 37 places in 694 ms of which 33 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 2606/2911 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2911 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2911/2911 variables, and 454 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2936 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:26:30] [INFO ] Deduced a trap composed of 42 places in 677 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:26:31] [INFO ] Deduced a trap composed of 89 places in 512 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:26:31] [INFO ] Deduced a trap composed of 81 places in 494 ms of which 17 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 2606/2911 variables, 305/310 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 147/457 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2911 variables, 4/461 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:26:38] [INFO ] Deduced a trap composed of 45 places in 528 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:26:39] [INFO ] Deduced a trap composed of 58 places in 581 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:26:40] [INFO ] Deduced a trap composed of 138 places in 320 ms of which 19 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2911 variables, 3/464 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:26:42] [INFO ] Deduced a trap composed of 59 places in 506 ms of which 37 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/2911 variables, 1/465 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2911 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/2911 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2911/2911 variables, and 465 constraints, problems are : Problem set: 0 solved, 4 unsolved in 17899 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20883ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 4 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 182 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2025-06-06 03:26:48] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:26:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:26:48] [INFO ] Implicit Places using invariants in 410 ms returned []
[2025-06-06 03:26:48] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:26:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:26:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:27:19] [INFO ] Performed 292/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 03:27:23] [INFO ] Implicit Places using invariants and state equation in 34335 ms returned []
Implicit Place search using SMT with State Equation took 34747 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:27:23] [INFO ] Redundant transitions in 644 ms returned []
Running 7808 sub problems to find dead transitions.
[2025-06-06 03:27:23] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:27:23] [INFO ] Invariant cache hit.
[2025-06-06 03:27:23] [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, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30093 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7808/7808 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7808 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, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30104 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7808 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73521ms problems are : Problem set: 0 solved, 7808 unsolved
Search for dead transitions found 0 dead transitions in 73530ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 109120 ms. Remains : 305/305 places, 7810/7810 transitions.
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (AND p1 p0))), (X (X p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 84 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 152 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 136 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 140 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 5 reset in 455 ms.
Product exploration explored 100000 steps with 0 reset in 389 ms.
Built C files in :
/tmp/ltsmin14699475589756805846
[2025-06-06 03:28:38] [INFO ] Built C files in 74ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14699475589756805846
Running compilation step : cd /tmp/ltsmin14699475589756805846;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14699475589756805846;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14699475589756805846;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:28:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:28:41] [INFO ] Computed 1 invariants in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:42] [INFO ] Implicit Places using invariants in 430 ms returned []
[2025-06-06 03:28:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:28:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:43] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:29:04] [INFO ] Implicit Places using invariants and state equation in 22210 ms returned []
Implicit Place search using SMT with State Equation took 22643 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:29:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:29:04] [INFO ] Invariant cache hit.
[2025-06-06 03:29:04] [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 30161 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 74504ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74514ms
Finished structural reductions in LTL mode , in 1 iterations and 97205 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin11255437729796697645
[2025-06-06 03:30:19] [INFO ] Built C files in 70ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11255437729796697645
Running compilation step : cd /tmp/ltsmin11255437729796697645;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11255437729796697645;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11255437729796697645;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2025-06-06 03:30:22] [INFO ] Flatten gal took : 182 ms
[2025-06-06 03:30:22] [INFO ] Flatten gal took : 198 ms
[2025-06-06 03:30:22] [INFO ] Time to serialize gal into /tmp/LTL8473594584550740647.gal : 27 ms
[2025-06-06 03:30:22] [INFO ] Time to serialize properties into /tmp/LTL8821268702221998033.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8473594584550740647.gal' '-t' 'CGAL' '-hoa' '/tmp/aut7503581003156444368.hoa' '-atoms' '/tmp/LTL8821268702221998033.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL8821268702221998033.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut7503581003156444368.hoa
Detected timeout of ITS tools.
[2025-06-06 03:30:38] [INFO ] Flatten gal took : 165 ms
[2025-06-06 03:30:38] [INFO ] Flatten gal took : 170 ms
[2025-06-06 03:30:38] [INFO ] Time to serialize gal into /tmp/LTL16200368437545758668.gal : 35 ms
[2025-06-06 03:30:38] [INFO ] Time to serialize properties into /tmp/LTL17417842497434047199.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16200368437545758668.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17417842497434047199.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X(G(("((p28<1)||(l50<1))")||(X(("((p118<1)||(l23<1))")||(G("((p126>=1)&&(l25>=1))"))))))))
Formula 0 simplified : XF(!"((p28<1)||(l50<1))" & X(!"((p118<1)||(l23<1))" & F!"((p126>=1)&&(l25>=1))"))
Detected timeout of ITS tools.
[2025-06-06 03:30:53] [INFO ] Flatten gal took : 163 ms
[2025-06-06 03:30:53] [INFO ] Applying decomposition
[2025-06-06 03:30:53] [INFO ] Flatten gal took : 169 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13171018368261088132.txt' '-o' '/tmp/graph13171018368261088132.bin' '-w' '/tmp/graph13171018368261088132.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13171018368261088132.bin' '-l' '-1' '-v' '-w' '/tmp/graph13171018368261088132.weights' '-q' '0' '-e' '0.001'
[2025-06-06 03:30:53] [INFO ] Decomposing Gal with order
[2025-06-06 03:30:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 03:30:54] [INFO ] Removed a total of 17839 redundant transitions.
[2025-06-06 03:30:54] [INFO ] Flatten gal took : 329 ms
[2025-06-06 03:30:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 979 labels/synchronizations in 163 ms.
[2025-06-06 03:30:54] [INFO ] Time to serialize gal into /tmp/LTL1497105639262358827.gal : 23 ms
[2025-06-06 03:30:54] [INFO ] Time to serialize properties into /tmp/LTL9892325276142454637.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1497105639262358827.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9892325276142454637.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((X(G(("((i2.u9.p28<1)||(i9.u61.l50<1))")||(X(("((u48.p118<1)||(i5.u52.l23<1))")||(G("((i5.u43.p126>=1)&&(i0.u53.l25>=1))"))))))))
Formula 0 simplified : XF(!"((i2.u9.p28<1)||(i9.u61.l50<1))" & X(!"((u48.p118<1)||(i5.u52.l23<1))" & F!"((i5.u43.p126>=1)&&(i0.u53.l25>=1))"))
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b06-LTLFireability-08 finished in 645525 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(F((X(F(p2))&&p1))))))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 37 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:31:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:31:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:31:10] [INFO ] Implicit Places using invariants in 405 ms returned []
[2025-06-06 03:31:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:31:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:31:11] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:31:31] [INFO ] Implicit Places using invariants and state equation in 21127 ms returned []
Implicit Place search using SMT with State Equation took 21533 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:31:31] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:31:31] [INFO ] Invariant cache hit.
[2025-06-06 03:31:31] [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 30089 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 30098 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 73547ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73557ms
Finished structural reductions in LTL mode , in 1 iterations and 95136 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-09
Stuttering criterion allowed to conclude after 400 steps with 0 reset in 6 ms.
FORMULA Szymanski-PT-b06-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-09 finished in 95328 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 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 190 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:32:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:32:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:32:45] [INFO ] Implicit Places using invariants in 412 ms returned []
[2025-06-06 03:32:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:32:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:32:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:33:13] [INFO ] Implicit Places using invariants and state equation in 27376 ms returned []
Implicit Place search using SMT with State Equation took 27791 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:33:13] [INFO ] Redundant transitions in 639 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:33:13] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:33:13] [INFO ] Invariant cache hit.
[2025-06-06 03:33:13] [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 30090 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 74197ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74211ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 102857 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-10
Stuttering criterion allowed to conclude after 244 steps with 0 reset in 3 ms.
FORMULA Szymanski-PT-b06-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-10 finished in 102963 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((X(X((!X(X(X(X(X(X(p1))))))&&p0))) U p2)))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 33 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:34:28] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:34:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:34:28] [INFO ] Implicit Places using invariants in 414 ms returned []
[2025-06-06 03:34:28] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:34:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:34:29] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:34:51] [INFO ] Implicit Places using invariants and state equation in 23105 ms returned []
Implicit Place search using SMT with State Equation took 23523 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:34:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:34:51] [INFO ] Invariant cache hit.
[2025-06-06 03:34:51] [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
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 74779ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74788ms
Finished structural reductions in LTL mode , in 1 iterations and 98355 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 422 ms :[(NOT p2), (OR (NOT p0) (NOT p2) p1), (OR (NOT p0) p1), true, p1, p1, p1, p1, p1, p1]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-b06-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-11 finished in 98849 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(X(X(G(p0))))))'
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 34 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:36:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:36:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:36:07] [INFO ] Implicit Places using invariants in 433 ms returned []
[2025-06-06 03:36:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:36:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:36:08] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:36:28] [INFO ] Implicit Places using invariants and state equation in 21380 ms returned []
Implicit Place search using SMT with State Equation took 21822 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:36:28] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:36:28] [INFO ] Invariant cache hit.
[2025-06-06 03:36:28] [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 30100 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 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 73475ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73485ms
Finished structural reductions in LTL mode , in 1 iterations and 95351 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 193 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-12
Product exploration explored 100000 steps with 5 reset in 394 ms.
Product exploration explored 100000 steps with 7 reset in 483 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]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 66 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40010 steps (9 resets) in 200 ms. (199 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (9 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 180881 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :0 out of 1
Probabilistic random walk after 180881 steps, saw 92441 distinct states, run finished after 3001 ms. (steps per millisecond=60 ) properties seen :0
[2025-06-06 03:37:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:37:46] [INFO ] Invariant cache hit.
[2025-06-06 03:37:46] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 853 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1524 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2401ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 197 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 198 ms. Remains : 305/305 places, 7810/7936 transitions.
RANDOM walk for 40011 steps (8 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 196774 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :0 out of 1
Probabilistic random walk after 196774 steps, saw 85612 distinct states, run finished after 3001 ms. (steps per millisecond=65 ) properties seen :0
[2025-06-06 03:37:52] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2025-06-06 03:37:52] [INFO ] Computed 1 invariants in 25 ms
[2025-06-06 03:37:52] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:37:53] [INFO ] Deduced a trap composed of 31 places in 742 ms of which 41 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2606/2911 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2911 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2911/2911 variables, and 454 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1913 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:37:54] [INFO ] Deduced a trap composed of 81 places in 455 ms of which 13 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2606/2911 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2911 variables, 1/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2911 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/2911 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2911/2911 variables, and 456 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9533 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11489ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 311 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 204 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 204 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 201 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2025-06-06 03:38:04] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:38:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:38:04] [INFO ] Implicit Places using invariants in 431 ms returned []
[2025-06-06 03:38:04] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:38:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:38:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:38:35] [INFO ] Performed 287/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 03:38:42] [INFO ] Implicit Places using invariants and state equation in 37477 ms returned []
Implicit Place search using SMT with State Equation took 37913 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:38:43] [INFO ] Redundant transitions in 621 ms returned []
Running 7808 sub problems to find dead transitions.
[2025-06-06 03:38:43] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:38:43] [INFO ] Invariant cache hit.
[2025-06-06 03:38:43] [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, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30102 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7808/7808 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7808 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, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7808 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73016ms problems are : Problem set: 0 solved, 7808 unsolved
Search for dead transitions found 0 dead transitions in 73026ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 111781 ms. Remains : 305/305 places, 7810/7810 transitions.
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 71 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:39:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:39:56] [INFO ] Computed 1 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:39:56] [INFO ] Implicit Places using invariants in 421 ms returned []
[2025-06-06 03:39:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:39:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:39:57] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:40:18] [INFO ] Implicit Places using invariants and state equation in 21153 ms returned []
Implicit Place search using SMT with State Equation took 21586 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:40:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:40:18] [INFO ] Invariant cache hit.
[2025-06-06 03:40:18] [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 30103 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 30086 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 73864ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73874ms
Finished structural reductions in LTL mode , in 1 iterations and 95506 ms. Remains : 305/305 places, 7936/7936 transitions.
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]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 81 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 211 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40006 steps (10 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (11 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 184220 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :0 out of 1
Probabilistic random walk after 184220 steps, saw 92818 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
[2025-06-06 03:41:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:41:35] [INFO ] Invariant cache hit.
[2025-06-06 03:41:35] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 823 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1591 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2432ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 215 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 216 ms. Remains : 305/305 places, 7810/7936 transitions.
RANDOM walk for 40012 steps (8 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 184846 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :0 out of 1
Probabilistic random walk after 184846 steps, saw 84153 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
[2025-06-06 03:41:41] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2025-06-06 03:41:41] [INFO ] Computed 1 invariants in 17 ms
[2025-06-06 03:41:41] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:41:42] [INFO ] Deduced a trap composed of 31 places in 815 ms of which 40 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2606/2911 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2911 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2911/2911 variables, and 454 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2062 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:41:43] [INFO ] Deduced a trap composed of 81 places in 439 ms of which 14 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2606/2911 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2911 variables, 1/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2911 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/2911 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2911/2911 variables, and 456 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9410 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11516ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 306 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 187 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2025-06-06 03:41:53] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:41:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:41:53] [INFO ] Implicit Places using invariants in 416 ms returned []
[2025-06-06 03:41:53] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:41:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:41:54] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:42:24] [INFO ] Performed 287/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 03:42:31] [INFO ] Implicit Places using invariants and state equation in 37361 ms returned []
Implicit Place search using SMT with State Equation took 37779 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:42:31] [INFO ] Redundant transitions in 668 ms returned []
Running 7808 sub problems to find dead transitions.
[2025-06-06 03:42:31] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 03:42:31] [INFO ] Invariant cache hit.
[2025-06-06 03:42:31] [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, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30097 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7808/7808 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7808 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, 7808 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 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30104 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7808 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73997ms problems are : Problem set: 0 solved, 7808 unsolved
Search for dead transitions found 0 dead transitions in 74006ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112678 ms. Remains : 305/305 places, 7810/7810 transitions.
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 95 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 218 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 203 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 210 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3 reset in 522 ms.
Product exploration explored 100000 steps with 0 reset in 551 ms.
Applying partial POR strategy [true, true, false, false, false, false]
Stuttering acceptance computed with spot in 214 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 189 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:43:48] [INFO ] Redundant transitions in 624 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:43:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:43:48] [INFO ] Computed 1 invariants in 25 ms
[2025-06-06 03:43:48] [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) 0/305 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 30103 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 30101 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 73718ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73729ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 74563 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin7967589165348690959
[2025-06-06 03:45:02] [INFO ] Built C files in 70ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7967589165348690959
Running compilation step : cd /tmp/ltsmin7967589165348690959;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin7967589165348690959;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin7967589165348690959;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 35 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:45:05] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:45:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:45:06] [INFO ] Implicit Places using invariants in 442 ms returned []
[2025-06-06 03:45:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:45:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:45:07] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:45:27] [INFO ] Implicit Places using invariants and state equation in 21546 ms returned []
Implicit Place search using SMT with State Equation took 21990 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:45:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:45:27] [INFO ] Invariant cache hit.
[2025-06-06 03:45:27] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 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 30108 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 30101 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 73806ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73818ms
Finished structural reductions in LTL mode , in 1 iterations and 95860 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin11503334140981774758
[2025-06-06 03:46:41] [INFO ] Built C files in 59ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11503334140981774758
Running compilation step : cd /tmp/ltsmin11503334140981774758;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11503334140981774758;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11503334140981774758;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2025-06-06 03:46:44] [INFO ] Flatten gal took : 168 ms
[2025-06-06 03:46:45] [INFO ] Flatten gal took : 173 ms
[2025-06-06 03:46:45] [INFO ] Time to serialize gal into /tmp/LTL8992666521523780856.gal : 26 ms
[2025-06-06 03:46:45] [INFO ] Time to serialize properties into /tmp/LTL14080847567646908985.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8992666521523780856.gal' '-t' 'CGAL' '-hoa' '/tmp/aut13164879934173752638.hoa' '-atoms' '/tmp/LTL14080847567646908985.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL14080847567646908985.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut13164879934173752638.hoa
Detected timeout of ITS tools.
[2025-06-06 03:47:00] [INFO ] Flatten gal took : 164 ms
[2025-06-06 03:47:00] [INFO ] Flatten gal took : 165 ms
[2025-06-06 03:47:00] [INFO ] Time to serialize gal into /tmp/LTL15545705103969170843.gal : 25 ms
[2025-06-06 03:47:00] [INFO ] Time to serialize properties into /tmp/LTL17316008474062423813.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15545705103969170843.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17316008474062423813.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X(X(X(X(G("((p16<1)||(l26<1))")))))))
Formula 0 simplified : XXXXF!"((p16<1)||(l26<1))"
Detected timeout of ITS tools.
[2025-06-06 03:47:15] [INFO ] Flatten gal took : 166 ms
[2025-06-06 03:47:15] [INFO ] Applying decomposition
[2025-06-06 03:47:15] [INFO ] Flatten gal took : 178 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17974174449444181953.txt' '-o' '/tmp/graph17974174449444181953.bin' '-w' '/tmp/graph17974174449444181953.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17974174449444181953.bin' '-l' '-1' '-v' '-w' '/tmp/graph17974174449444181953.weights' '-q' '0' '-e' '0.001'
[2025-06-06 03:47:16] [INFO ] Decomposing Gal with order
[2025-06-06 03:47:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 03:47:16] [INFO ] Removed a total of 18062 redundant transitions.
[2025-06-06 03:47:16] [INFO ] Flatten gal took : 312 ms
[2025-06-06 03:47:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 905 labels/synchronizations in 158 ms.
[2025-06-06 03:47:16] [INFO ] Time to serialize gal into /tmp/LTL12645603288146936694.gal : 19 ms
[2025-06-06 03:47:16] [INFO ] Time to serialize properties into /tmp/LTL16692320440463705381.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12645603288146936694.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16692320440463705381.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((X(X(X(X(G("((i4.u51.p16<1)||(i0.u55.l26<1))")))))))
Formula 0 simplified : XXXXF!"((i4.u51.p16<1)||(i0.u55.l26<1))"
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b06-LTLFireability-12 finished in 685125 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||G(F(p1))))))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 197 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:47:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:47:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:47:32] [INFO ] Implicit Places using invariants in 415 ms returned []
[2025-06-06 03:47:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:47:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:47:33] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:47:54] [INFO ] Implicit Places using invariants and state equation in 22332 ms returned []
Implicit Place search using SMT with State Equation took 22751 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:47:55] [INFO ] Redundant transitions in 628 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:47:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:47:55] [INFO ] Invariant cache hit.
[2025-06-06 03:47:55] [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 30105 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

BK_TIME_CONFINEMENT_REACHED

--------------------
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-b06"
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-b06, 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-174915589300148"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b06.tgz
mv Szymanski-PT-b06 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 ;