Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589300156.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-b08, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589300156
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K 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 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K 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-b08-LTLFireability-00
FORMULA_NAME Szymanski-PT-b08-LTLFireability-01
FORMULA_NAME Szymanski-PT-b08-LTLFireability-02
FORMULA_NAME Szymanski-PT-b08-LTLFireability-03
FORMULA_NAME Szymanski-PT-b08-LTLFireability-04
FORMULA_NAME Szymanski-PT-b08-LTLFireability-05
FORMULA_NAME Szymanski-PT-b08-LTLFireability-06
FORMULA_NAME Szymanski-PT-b08-LTLFireability-07
FORMULA_NAME Szymanski-PT-b08-LTLFireability-08
FORMULA_NAME Szymanski-PT-b08-LTLFireability-09
FORMULA_NAME Szymanski-PT-b08-LTLFireability-10
FORMULA_NAME Szymanski-PT-b08-LTLFireability-11
FORMULA_NAME Szymanski-PT-b08-LTLFireability-12
FORMULA_NAME Szymanski-PT-b08-LTLFireability-13
FORMULA_NAME Szymanski-PT-b08-LTLFireability-14
FORMULA_NAME Szymanski-PT-b08-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749181813349

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-b08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 03:50:14] [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 03:50:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 03:50:15] [INFO ] Load time of PNML (sax parser for PT used): 338 ms
[2025-06-06 03:50:15] [INFO ] Transformed 568 places.
[2025-06-06 03:50:15] [INFO ] Transformed 8320 transitions.
[2025-06-06 03:50:15] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 517 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 260 places in 20 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b08-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 47 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 177 ms. Remains 305 /308 variables (removed 3) and now considering 7936/8064 (removed 128) transitions.
[2025-06-06 03:50:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:50:15] [INFO ] Computed 1 invariants in 57 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:50:16] [INFO ] Implicit Places using invariants in 652 ms returned []
[2025-06-06 03:50:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:50:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:50:18] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:50:36] [INFO ] Implicit Places using invariants and state equation in 19830 ms returned []
Implicit Place search using SMT with State Equation took 20526 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:50:36] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:50:36] [INFO ] Invariant cache hit.
[2025-06-06 03:50:36] [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 30191 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 30107 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 74022ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74112ms
Starting structural reductions in LTL mode, iteration 1 : 305/308 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 94881 ms. Remains : 305/308 places, 7936/8064 transitions.
Support contains 47 out of 305 places after structural reductions.
[2025-06-06 03:51:51] [INFO ] Flatten gal took : 441 ms
[2025-06-06 03:51:51] [INFO ] Flatten gal took : 280 ms
[2025-06-06 03:51:51] [INFO ] Input system was already deterministic with 7936 transitions.
Support contains 46 out of 305 places (down from 47) after GAL structural reductions.
RANDOM walk for 40010 steps (8 resets) in 1964 ms. (20 steps per ms) remains 19/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (8 resets) in 23 ms. (166 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 17/18 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
[2025-06-06 03:51:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:51:52] [INFO ] Invariant cache hit.
[2025-06-06 03:51:52] [INFO ] State equation strengthened by 147 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 276/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Problem AtomicPropp23 is UNSAT
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 1 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 1 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 1 solved, 15 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 1 solved, 15 unsolved in 5025 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 16/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 15 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 279/305 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 1 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 1 solved, 15 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 467 constraints, problems are : Problem set: 1 solved, 15 unsolved in 5011 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10102ms problems are : Problem set: 1 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 26 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 58 transitions
Reduce isomorphic transitions removed 58 transitions.
Iterating post reduction 0 with 58 rules applied. Total rules applied 58 place count 305 transition count 7878
Applied a total of 58 rules in 412 ms. Remains 305 /305 variables (removed 0) and now considering 7878/7936 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 413 ms. Remains : 305/305 places, 7878/7936 transitions.
RANDOM walk for 40019 steps (8 resets) in 225 ms. (177 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 118897 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 15
Probabilistic random walk after 118897 steps, saw 76249 distinct states, run finished after 3007 ms. (steps per millisecond=39 ) properties seen :0
[2025-06-06 03:52:06] [INFO ] Flow matrix only has 2674 transitions (discarded 5204 similar events)
// Phase 1: matrix 2674 rows 305 cols
[2025-06-06 03:52:06] [INFO ] Computed 1 invariants in 32 ms
[2025-06-06 03:52:06] [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) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 279/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 2674/2979 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2979 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2979 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 0/2979 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2979/2979 variables, and 453 constraints, problems are : Problem set: 0 solved, 15 unsolved in 10964 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 15/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 279/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 2674/2979 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2979 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2979 variables, 14/467 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2979/2979 variables, and 467 constraints, problems are : Problem set: 0 solved, 15 unsolved in 45021 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 15/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56091ms problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 26 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7878/7878 transitions.
Applied a total of 0 rules in 223 ms. Remains 305 /305 variables (removed 0) and now considering 7878/7878 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 223 ms. Remains : 305/305 places, 7878/7878 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7878/7878 transitions.
Applied a total of 0 rules in 293 ms. Remains 305 /305 variables (removed 0) and now considering 7878/7878 (removed 0) transitions.
[2025-06-06 03:53:02] [INFO ] Flow matrix only has 2674 transitions (discarded 5204 similar events)
[2025-06-06 03:53:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:53:03] [INFO ] Implicit Places using invariants in 531 ms returned []
[2025-06-06 03:53:03] [INFO ] Flow matrix only has 2674 transitions (discarded 5204 similar events)
[2025-06-06 03:53:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:53:04] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:53:27] [INFO ] Implicit Places using invariants and state equation in 23790 ms returned []
Implicit Place search using SMT with State Equation took 24325 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:53:28] [INFO ] Redundant transitions in 867 ms returned []
Running 7876 sub problems to find dead transitions.
[2025-06-06 03:53:28] [INFO ] Flow matrix only has 2674 transitions (discarded 5204 similar events)
[2025-06-06 03:53:28] [INFO ] Invariant cache hit.
[2025-06-06 03:53:28] [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, 7876 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2979 variables, and 1 constraints, problems are : Problem set: 0 solved, 7876 unsolved in 30105 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7876/7876 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7876 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, 7876 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2979 variables, and 1 constraints, problems are : Problem set: 0 solved, 7876 unsolved in 30090 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7876 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73897ms problems are : Problem set: 0 solved, 7876 unsolved
Search for dead transitions found 0 dead transitions in 73920ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99437 ms. Remains : 305/305 places, 7878/7878 transitions.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
FORMULA Szymanski-PT-b08-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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' '!(G(((X(X(p0))||G(p1))&&(X(p2)||G(p3)))))'
Support contains 8 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 44 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:54:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:54:42] [INFO ] Computed 1 invariants in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:54:42] [INFO ] Implicit Places using invariants in 397 ms returned []
[2025-06-06 03:54:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:54:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:54:44] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:55:09] [INFO ] Implicit Places using invariants and state equation in 26557 ms returned []
Implicit Place search using SMT with State Equation took 26956 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:55:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:55:09] [INFO ] Invariant cache hit.
[2025-06-06 03:55:09] [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 30118 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 30090 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 73916ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73937ms
Finished structural reductions in LTL mode , in 1 iterations and 100973 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 566 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p3) p2), (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-01
Product exploration explored 100000 steps with 33273 reset in 850 ms.
Product exploration explored 100000 steps with 33244 reset in 776 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 p3 p2 p0), (X p2), (X (NOT (AND (NOT p3) (NOT p2)))), (X p3), (X (NOT (AND p3 (NOT p2)))), (X p1), (X (X (NOT (AND (NOT p3) p2)))), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p3)), (X (X (AND p3 p2))), (X (X p0)), (X (X (NOT (AND p1 (NOT p0))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 132 ms. Reduced automaton from 10 states, 19 edges and 4 AP (stutter sensitive) to 10 states, 19 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 349 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p3) p2), (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
RANDOM walk for 40007 steps (8 resets) in 221 ms. (180 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (13 resets) in 185 ms. (215 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (11 resets) in 237 ms. (168 steps per ms) remains 9/12 properties
BEST_FIRST walk for 40004 steps (10 resets) in 179 ms. (222 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (13 resets) in 159 ms. (250 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (11 resets) in 114 ms. (347 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (11 resets) in 88 ms. (449 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (10 resets) in 94 ms. (421 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (10 resets) in 364 ms. (109 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (12 resets) in 144 ms. (275 steps per ms) remains 7/9 properties
[2025-06-06 03:56:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:56:26] [INFO ] Invariant cache hit.
[2025-06-06 03:56:26] [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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 297/305 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
Problem apf4 is UNSAT
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 2 solved, 5 unsolved in 2348 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: 2 solved, 5 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: 2 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 2 solved, 5 unsolved in 5016 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7424ms problems are : Problem set: 2 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
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 125 transitions
Reduce isomorphic transitions removed 125 transitions.
Iterating post reduction 0 with 125 rules applied. Total rules applied 125 place count 305 transition count 7811
Applied a total of 125 rules in 225 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7936 (removed 125) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 226 ms. Remains : 305/305 places, 7811/7936 transitions.
RANDOM walk for 40015 steps (8 resets) in 203 ms. (196 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 97 ms. (408 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 55 ms. (714 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 153173 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :0 out of 5
Probabilistic random walk after 153173 steps, saw 103155 distinct states, run finished after 3001 ms. (steps per millisecond=51 ) properties seen :0
[2025-06-06 03:56:37] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
// Phase 1: matrix 2607 rows 305 cols
[2025-06-06 03:56:37] [INFO ] Computed 1 invariants in 14 ms
[2025-06-06 03:56:37] [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, 5 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:56:38] [INFO ] Deduced a trap composed of 36 places in 750 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:56:39] [INFO ] Deduced a trap composed of 81 places in 616 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 2607/2912 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2912 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2912 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/2912 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2912/2912 variables, and 455 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5771 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 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, 5 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:56:43] [INFO ] Deduced a trap composed of 31 places in 478 ms of which 28 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2607/2912 variables, 305/309 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2912 variables, 147/456 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2912/2912 variables, and 461 constraints, problems are : Problem set: 0 solved, 5 unsolved in 45015 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50837ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7811/7811 transitions.
Applied a total of 0 rules in 195 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7811 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 305/305 places, 7811/7811 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7811/7811 transitions.
Applied a total of 0 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7811 (removed 0) transitions.
[2025-06-06 03:57:28] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2025-06-06 03:57:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:57:29] [INFO ] Implicit Places using invariants in 423 ms returned []
[2025-06-06 03:57:29] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2025-06-06 03:57:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:57:29] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:58:00] [INFO ] Performed 258/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 03:58:16] [INFO ] Implicit Places using invariants and state equation in 46856 ms returned []
Implicit Place search using SMT with State Equation took 47295 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:58:16] [INFO ] Redundant transitions in 614 ms returned []
Running 7809 sub problems to find dead transitions.
[2025-06-06 03:58:16] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2025-06-06 03:58:16] [INFO ] Invariant cache hit.
[2025-06-06 03:58:16] [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)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
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(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 1.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
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(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 timeout
1.0)
(s51 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7809 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2912 variables, and 1 constraints, problems are : Problem set: 0 solved, 7809 unsolved in 30112 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7809/7809 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7809 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7809 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
(s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
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(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 1)
(s42 1)
(s43 1)
(s44 1)
(s45 1)
(s46 1)
(s47 1)
(s48 1)
(s49 1)
(s50 1)
(s51 1)
(s52 1)
(s53 1)
(s54 1)
(s55 1)
(s56 1)
(s57 1)
(s58 1)
(s59 1)
(s60 1)
(s61 1)
(s62 1)
(s63 1)
(s64 1)
(s65 1)
(s66 1)
(s67 1)
(s68 1)
(s69 1)
(s70 1)
(s71 1)
(s72 1)
(s73 1)
(s74 1)
(s75 1)
(s76 1)
(s77 1)
(s78 1)
(s79 1)
(s80 1)
(s81 1)
(s82 1)
(s83 1)
(s84 1)
(s85 1)
(s86 1)
(s87 1)
(s88 1)
(s89 1)
(s90 1)
(s91 1)
(s92 1)
(s93 1)
(s94 1)
(s95 1)
(s96 1)
(s97 1)
(s98 1)
(s99 1)
(s100 1)
(s101 1)
(s102 1)
(s103 1)
(s104 1)
(s105 1)
(s106 1)
(s107 1)
(s108 1)
(s109 1)
(s110 1)
(s111 1)
(s112 1)
(s113 1)
(s114 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2912 variables, and 1 constraints, problems are : Problem set: 0 solved, 7809 unsolved in 30092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7809 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73763ms problems are : Problem set: 0 solved, 7809 unsolved
Search for dead transitions found 0 dead transitions in 73783ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121908 ms. Remains : 305/305 places, 7811/7811 transitions.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p1 p3 p2 p0), (X p2), (X (NOT (AND (NOT p3) (NOT p2)))), (X p3), (X (NOT (AND p3 (NOT p2)))), (X p1), (X (X (NOT (AND (NOT p3) p2)))), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p3)), (X (X (AND p3 p2))), (X (X p0)), (X (X (NOT (AND p1 (NOT p0))))), (X (X p1)), (G (OR p2 p3)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT (AND p0 p1))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 16 factoid took 296 ms. Reduced automaton from 10 states, 19 edges and 4 AP (stutter sensitive) to 10 states, 17 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 445 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 425 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 8 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 38 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 03:59:31] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 03:59:31] [INFO ] Computed 1 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:59:32] [INFO ] Implicit Places using invariants in 424 ms returned []
[2025-06-06 03:59:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:59:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:59:33] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 03:59:57] [INFO ] Implicit Places using invariants and state equation in 25516 ms returned []
Implicit Place search using SMT with State Equation took 25947 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 03:59:57] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 03:59:57] [INFO ] Invariant cache hit.
[2025-06-06 03:59:57] [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
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 74039ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74056ms
Finished structural reductions in LTL mode , in 1 iterations and 100064 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 p3 p2 p0), (X p2), (X p1), (X (X p2)), (X (X p0)), (X (X (AND p2 p3))), (X (X p3))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 112 ms. Reduced automaton from 10 states, 17 edges and 4 AP (stutter sensitive) to 10 states, 17 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 397 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40014 steps (9 resets) in 215 ms. (185 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (14 resets) in 81 ms. (487 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (14 resets) in 60 ms. (655 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (13 resets) in 55 ms. (714 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (9 resets) in 53 ms. (740 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (13 resets) in 55 ms. (714 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 142081 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :0 out of 6
Probabilistic random walk after 142081 steps, saw 99881 distinct states, run finished after 3003 ms. (steps per millisecond=47 ) properties seen :0
[2025-06-06 04:01:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:01:15] [INFO ] Invariant cache hit.
[2025-06-06 04:01:15] [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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 297/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 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: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 6 unsolved in 4053 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 297/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 6 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, 6 unsolved in 5052 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9152ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 40 ms.
Support contains 8 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 122 transitions
Reduce isomorphic transitions removed 122 transitions.
Iterating post reduction 0 with 122 rules applied. Total rules applied 122 place count 305 transition count 7814
Applied a total of 122 rules in 220 ms. Remains 305 /305 variables (removed 0) and now considering 7814/7936 (removed 122) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 220 ms. Remains : 305/305 places, 7814/7936 transitions.
RANDOM walk for 40017 steps (8 resets) in 167 ms. (238 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 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
BEST_FIRST walk for 40004 steps (8 resets) in 532 ms. (75 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 56 ms. (701 steps per ms) remains 4/4 properties
[2025-06-06 04:01:25] [INFO ] Flow matrix only has 2610 transitions (discarded 5204 similar events)
// Phase 1: matrix 2610 rows 305 cols
[2025-06-06 04:01:25] [INFO ] Computed 1 invariants in 17 ms
[2025-06-06 04:01:25] [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, 4 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 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 04:01:25] [INFO ] Deduced a trap composed of 42 places in 399 ms of which 20 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) 2610/2915 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2915 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2915 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/2915 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2915/2915 variables, and 454 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2038 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 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
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) 2610/2915 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2915 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2915 variables, 4/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2915 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/2915 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2915/2915 variables, and 458 constraints, problems are : Problem set: 0 solved, 4 unsolved in 25381 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]
After SMT, in 27477ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 3082 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7814/7814 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 305 transition count 7813
Applied a total of 1 rules in 198 ms. Remains 305 /305 variables (removed 0) and now considering 7813/7814 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 305/305 places, 7813/7814 transitions.
RANDOM walk for 40014 steps (8 resets) in 150 ms. (264 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 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 40002 steps (8 resets) in 58 ms. (678 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 162027 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :0 out of 4
Probabilistic random walk after 162027 steps, saw 110581 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
[2025-06-06 04:01:59] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
// Phase 1: matrix 2609 rows 305 cols
[2025-06-06 04:01:59] [INFO ] Computed 1 invariants in 13 ms
[2025-06-06 04:01:59] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 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 04:01:59] [INFO ] Deduced a trap composed of 42 places in 406 ms of which 18 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) 2609/2914 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2914 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2914 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/2914 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2914/2914 variables, and 454 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2856 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 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
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) 2609/2914 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2914 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2914 variables, 4/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2914 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/2914 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2914/2914 variables, and 458 constraints, problems are : Problem set: 0 solved, 4 unsolved in 36762 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]
After SMT, in 39688ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 2 properties in 1355 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7813/7813 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 305 transition count 7811
Applied a total of 2 rules in 209 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7813 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 209 ms. Remains : 305/305 places, 7811/7813 transitions.
RANDOM walk for 40007 steps (8 resets) in 144 ms. (275 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 61 ms. (645 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
[2025-06-06 04:02:40] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
// Phase 1: matrix 2607 rows 305 cols
[2025-06-06 04:02:40] [INFO ] Computed 1 invariants in 13 ms
[2025-06-06 04:02:40] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 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 04:02:41] [INFO ] Deduced a trap composed of 31 places in 525 ms of which 34 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) 2607/2912 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2912 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) 0/2912 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2912 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2912/2912 variables, and 454 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1368 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 90.0 s and query timeout 9000.0 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
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) 2607/2912 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2912 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2912 variables, 1/455 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 04:02:44] [INFO ] Deduced a trap composed of 45 places in 406 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:02:44] [INFO ] Deduced a trap composed of 42 places in 410 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:02:45] [INFO ] Deduced a trap composed of 72 places in 375 ms of which 12 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2912 variables, 3/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2912 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/2912 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2912/2912 variables, and 458 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3558 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4963ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 236 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7811/7811 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 305 transition count 7810
Applied a total of 1 rules in 193 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7811 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 305/305 places, 7810/7811 transitions.
RANDOM walk for 40003 steps (8 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 221198 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :0 out of 1
Probabilistic random walk after 221198 steps, saw 133757 distinct states, run finished after 3001 ms. (steps per millisecond=73 ) properties seen :0
[2025-06-06 04:02:49] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2025-06-06 04:02:49] [INFO ] Computed 1 invariants in 19 ms
[2025-06-06 04:02:49] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 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 04:02:49] [INFO ] Deduced a trap composed of 31 places in 702 ms of which 38 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 1644 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 105.0 s and query timeout 10500.0 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 04:02:51] [INFO ] Deduced a trap composed of 81 places in 383 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:02:53] [INFO ] Deduced a trap composed of 45 places in 617 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:02:54] [INFO ] Deduced a trap composed of 42 places in 557 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:02:55] [INFO ] Deduced a trap composed of 72 places in 546 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:02:55] [INFO ] Deduced a trap composed of 44 places in 623 ms of which 29 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2911 variables, 4/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2911 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/2911 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2911/2911 variables, and 460 constraints, problems are : Problem set: 0 solved, 1 unsolved in 6889 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8576ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 211 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 178 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 178 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 216 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2025-06-06 04:02:58] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 04:02:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:02:58] [INFO ] Implicit Places using invariants in 418 ms returned []
[2025-06-06 04:02:58] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 04:02:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:02:59] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:03:29] [INFO ] Performed 271/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 04:03:38] [INFO ] Implicit Places using invariants and state equation in 39538 ms returned []
Implicit Place search using SMT with State Equation took 39961 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:03:39] [INFO ] Redundant transitions in 914 ms returned []
Running 7808 sub problems to find dead transitions.
[2025-06-06 04:03:39] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2025-06-06 04:03:39] [INFO ] Invariant cache hit.
[2025-06-06 04:03:39] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 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 30115 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 30098 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 73517ms problems are : Problem set: 0 solved, 7808 unsolved
Search for dead transitions found 0 dead transitions in 73531ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114651 ms. Remains : 305/305 places, 7810/7810 transitions.
Knowledge obtained : [(AND p1 p3 p2 p0), (X p2), (X p1), (X (X p2)), (X (X p0)), (X (X (AND p2 p3))), (X (X p3))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p2 p3))), (F (NOT p2)), (F (NOT p0)), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 7 factoid took 312 ms. Reduced automaton from 10 states, 17 edges and 4 AP (stutter sensitive) to 10 states, 17 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 391 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 381 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 403 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p1)]
Product exploration explored 100000 steps with 33328 reset in 817 ms.
Product exploration explored 100000 steps with 33350 reset in 731 ms.
Applying partial POR strategy [false, false, true, false, false, true, true, true, false, true]
Stuttering acceptance computed with spot in 379 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 8 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 700 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 04:04:57] [INFO ] Redundant transitions in 647 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:04:57] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 04:04:57] [INFO ] Computed 1 invariants in 22 ms
[2025-06-06 04:04:57] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30098 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
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 30110 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 73528ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73540ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 74910 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin85741445872320733
[2025-06-06 04:06:11] [INFO ] Built C files in 141ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin85741445872320733
Running compilation step : cd /tmp/ltsmin85741445872320733;'/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/ltsmin85741445872320733;'/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/ltsmin85741445872320733;'/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 8 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 30 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:06:14] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:06:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:06:15] [INFO ] Implicit Places using invariants in 403 ms returned []
[2025-06-06 04:06:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:06:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:06:16] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:06:41] [INFO ] Implicit Places using invariants and state equation in 26863 ms returned []
Implicit Place search using SMT with State Equation took 27273 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:06:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:06:42] [INFO ] Invariant cache hit.
[2025-06-06 04:06:42] [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 30151 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30103 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74323ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74340ms
Finished structural reductions in LTL mode , in 1 iterations and 101665 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin5665641800999391686
[2025-06-06 04:07:56] [INFO ] Built C files in 68ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5665641800999391686
Running compilation step : cd /tmp/ltsmin5665641800999391686;'/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/ltsmin5665641800999391686;'/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/ltsmin5665641800999391686;'/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 04:07:59] [INFO ] Flatten gal took : 201 ms
[2025-06-06 04:08:00] [INFO ] Flatten gal took : 197 ms
[2025-06-06 04:08:00] [INFO ] Time to serialize gal into /tmp/LTL10853390354694284356.gal : 53 ms
[2025-06-06 04:08:00] [INFO ] Time to serialize properties into /tmp/LTL2954793400907829383.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/LTL10853390354694284356.gal' '-t' 'CGAL' '-hoa' '/tmp/aut11450994535364504618.hoa' '-atoms' '/tmp/LTL2954793400907829383.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/LTL2954793400907829383.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut11450994535364504618.hoa
Detected timeout of ITS tools.
[2025-06-06 04:08:15] [INFO ] Flatten gal took : 182 ms
[2025-06-06 04:08:15] [INFO ] Flatten gal took : 192 ms
[2025-06-06 04:08:15] [INFO ] Time to serialize gal into /tmp/LTL16552376900427638660.gal : 29 ms
[2025-06-06 04:08:15] [INFO ] Time to serialize properties into /tmp/LTL271165051489905102.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/LTL16552376900427638660.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL271165051489905102.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 : !((G(((X(X("((s8<1)||(l17<1))")))||(G("((p35<1)||(l18<1))")))&&((X("((p60<1)||(l13<1))"))||(G("((p28<1)||(l26<1))"))))))
Formula 0 simplified : F((XX!"((s8<1)||(l17<1))" & F!"((p35<1)||(l18<1))") | (X!"((p60<1)||(l13<1))" & F!"((p28<1)||(l26<1))"))
Detected timeout of ITS tools.
[2025-06-06 04:08:31] [INFO ] Flatten gal took : 197 ms
[2025-06-06 04:08:31] [INFO ] Applying decomposition
[2025-06-06 04:08:31] [INFO ] Flatten gal took : 203 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/graph7527240060710320244.txt' '-o' '/tmp/graph7527240060710320244.bin' '-w' '/tmp/graph7527240060710320244.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7527240060710320244.bin' '-l' '-1' '-v' '-w' '/tmp/graph7527240060710320244.weights' '-q' '0' '-e' '0.001'
[2025-06-06 04:08:31] [INFO ] Decomposing Gal with order
[2025-06-06 04:08:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 04:08:32] [INFO ] Removed a total of 18062 redundant transitions.
[2025-06-06 04:08:32] [INFO ] Flatten gal took : 816 ms
[2025-06-06 04:08:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 909 labels/synchronizations in 287 ms.
[2025-06-06 04:08:33] [INFO ] Time to serialize gal into /tmp/LTL8339467909533760796.gal : 41 ms
[2025-06-06 04:08:33] [INFO ] Time to serialize properties into /tmp/LTL17631583550596484626.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/LTL8339467909533760796.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17631583550596484626.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...255
Read 1 LTL properties
Checking formula 0 : !((G(((X(X("((i4.u48.s8<1)||(i5.u51.l17<1))")))||(G("((i1.u11.p35<1)||(i5.u52.l18<1))")))&&((X("((i7.u20.p60<1)||(u49.l13<1))"))||(G("...190
Formula 0 simplified : F((XX!"((i4.u48.s8<1)||(i5.u51.l17<1))" & F!"((i1.u11.p35<1)||(i5.u52.l18<1))") | (X!"((i7.u20.p60<1)||(u49.l13<1))" & F!"((i7.u9.p2...176
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b08-LTLFireability-01 finished in 846124 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(((!p1 U (p2||G(!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 36 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:08:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:08:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:08:48] [INFO ] Implicit Places using invariants in 468 ms returned []
[2025-06-06 04:08:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:08:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:08:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:09:15] [INFO ] Implicit Places using invariants and state equation in 26431 ms returned []
Implicit Place search using SMT with State Equation took 26908 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:09:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:09:15] [INFO ] Invariant cache hit.
[2025-06-06 04:09:15] [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 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 73993ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74003ms
Finished structural reductions in LTL mode , in 1 iterations and 100961 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 155 ms :[true, (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1), (AND (NOT p2) p1 (NOT p0))]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 657 ms.
Product exploration explored 100000 steps with 50000 reset in 604 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 p2 (NOT p1) p0), (X p2), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 21 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b08-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b08-LTLFireability-02 finished in 102462 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(F((p1||X(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 39 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:10:30] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:10:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:10:31] [INFO ] Implicit Places using invariants in 411 ms returned []
[2025-06-06 04:10:31] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:10:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:10:32] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:10:51] [INFO ] Implicit Places using invariants and state equation in 19894 ms returned []
Implicit Place search using SMT with State Equation took 20311 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:10:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:10:51] [INFO ] Invariant cache hit.
[2025-06-06 04:10:51] [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 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 30116 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 30113 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 74124ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74136ms
Finished structural reductions in LTL mode , in 1 iterations and 94498 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 243 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-04
Stuttering criterion allowed to conclude after 143 steps with 0 reset in 4 ms.
FORMULA Szymanski-PT-b08-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b08-LTLFireability-04 finished in 94777 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(F(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 36 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:12:05] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:12:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:12:06] [INFO ] Implicit Places using invariants in 413 ms returned []
[2025-06-06 04:12:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:12:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:12:07] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:12:25] [INFO ] Implicit Places using invariants and state equation in 18949 ms returned []
Implicit Place search using SMT with State Equation took 19366 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:12:25] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:12:25] [INFO ] Invariant cache hit.
[2025-06-06 04:12:25] [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 30179 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 30112 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 79115ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 79128ms
Finished structural reductions in LTL mode , in 1 iterations and 98547 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 265 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-05
Product exploration explored 100000 steps with 0 reset in 467 ms.
Stack based approach found an accepted trace after 123 steps with 0 reset with depth 124 and stack size 124 in 2 ms.
FORMULA Szymanski-PT-b08-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b08-LTLFireability-05 finished in 99402 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))||G(p1)||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 240 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:13:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:13:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:13:45] [INFO ] Implicit Places using invariants in 420 ms returned []
[2025-06-06 04:13:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:13:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:13:47] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:14:08] [INFO ] Implicit Places using invariants and state equation in 22455 ms returned []
Implicit Place search using SMT with State Equation took 22883 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:14:08] [INFO ] Redundant transitions in 654 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:14:08] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:14:08] [INFO ] Invariant cache hit.
[2025-06-06 04:14:08] [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 30104 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 74841ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74851ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 98652 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 166 ms :[false, (NOT p0), false, (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 449 ms.
Product exploration explored 100000 steps with 16 reset in 628 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 135 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p1) (NOT p0)), (NOT p0)]
RANDOM walk for 40018 steps (14 resets) in 188 ms. (211 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (12 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
[2025-06-06 04:15:25] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:15:25] [INFO ] Invariant cache hit.
[2025-06-06 04:15:25] [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 969 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 1649 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 2642ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
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 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 305 transition count 7808
Applied a total of 128 rules in 199 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7936 (removed 128) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 200 ms. Remains : 305/305 places, 7808/7936 transitions.
RANDOM walk for 40013 steps (8 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 215299 steps, run timeout after 3001 ms. (steps per millisecond=71 ) properties seen :0 out of 1
Probabilistic random walk after 215299 steps, saw 131426 distinct states, run finished after 3001 ms. (steps per millisecond=71 ) properties seen :0
[2025-06-06 04:15:31] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2025-06-06 04:15:31] [INFO ] Computed 3 invariants in 19 ms
[2025-06-06 04:15:31] [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) 284/286 variables, 2/2 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 04:15:31] [INFO ] Deduced a trap composed of 31 places in 569 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:15:32] [INFO ] Deduced a trap composed of 37 places in 540 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:15:33] [INFO ] Deduced a trap composed of 36 places in 527 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:15:33] [INFO ] Deduced a trap composed of 37 places in 550 ms of which 33 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/286 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 19/305 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2604/2909 variables, 305/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2909 variables, 147/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2909 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/2909 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2909/2909 variables, and 459 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3886 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 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) 284/286 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/286 variables, 4/6 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 04:15:35] [INFO ] Deduced a trap composed of 42 places in 540 ms of which 24 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/305 variables, 1/8 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) 2604/2909 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2909 variables, 147/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2909 variables, 1/461 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 04:15:44] [INFO ] Deduced a trap composed of 42 places in 603 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:15:45] [INFO ] Deduced a trap composed of 45 places in 600 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:15:45] [INFO ] Deduced a trap composed of 59 places in 587 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:15:46] [INFO ] Deduced a trap composed of 72 places in 543 ms of which 30 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/2909 variables, 4/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2909 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/2909 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2909/2909 variables, and 465 constraints, problems are : Problem set: 0 solved, 1 unsolved in 12572 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16503ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 175 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 174 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2025-06-06 04:15:48] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:15:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:15:50] [INFO ] Implicit Places using invariants in 1959 ms returned []
[2025-06-06 04:15:50] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:15:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:15:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:16:15] [INFO ] Implicit Places using invariants and state equation in 25325 ms returned []
Implicit Place search using SMT with State Equation took 27292 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:16:16] [INFO ] Redundant transitions in 615 ms returned []
Running 7806 sub problems to find dead transitions.
[2025-06-06 04:16:16] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:16:16] [INFO ] Invariant cache hit.
[2025-06-06 04:16:16] [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 0.0)
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(s187 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2909 variables, and 3 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30101 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7806/7806 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:16] [INFO ] Deduced a trap composed of 138 places in 512 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:18] [INFO ] Deduced a trap composed of 47 places in 468 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:18] [INFO ] Deduced a trap composed of 57 places in 344 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:19] [INFO ] Deduced a trap composed of 70 places in 302 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:19] [INFO ] Deduced a trap composed of 101 places in 287 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:20] [INFO ] Deduced a trap composed of 78 places in 407 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:20] [INFO ] Deduced a trap composed of 134 places in 331 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:21] [INFO ] Deduced a trap composed of 137 places in 376 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:17:21] [INFO ] Deduced a trap composed of 195 places in 295 ms of which 7 ms to minimize.
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 305/2909 variables, and 12 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30104 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7806 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73326ms problems are : Problem set: 0 solved, 7806 unsolved
Search for dead transitions found 0 dead transitions in 73338ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101454 ms. Remains : 305/305 places, 7808/7808 transitions.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 13 factoid took 170 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 86 ms :[(AND (NOT p1) (NOT p0)), (NOT p0)]
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p1) (NOT p0)), (NOT 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 185 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:17:29] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 04:17:29] [INFO ] Computed 1 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:17:30] [INFO ] Implicit Places using invariants in 431 ms returned []
[2025-06-06 04:17:30] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:17:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:17:31] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:17:53] [INFO ] Implicit Places using invariants and state equation in 23180 ms returned []
Implicit Place search using SMT with State Equation took 23615 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:17:54] [INFO ] Redundant transitions in 642 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:17:54] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:17:54] [INFO ] Invariant cache hit.
[2025-06-06 04:17:54] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 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 73785ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73796ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 98256 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 p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 93 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 77 ms :[(AND (NOT p1) (NOT p0)), (NOT p0)]
RANDOM walk for 40013 steps (11 resets) in 132 ms. (300 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (12 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
[2025-06-06 04:19:08] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:19:08] [INFO ] Invariant cache hit.
[2025-06-06 04:19:08] [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 935 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 1601 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 2557ms 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 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 305 transition count 7808
Applied a total of 128 rules in 205 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7936 (removed 128) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 205 ms. Remains : 305/305 places, 7808/7936 transitions.
RANDOM walk for 40015 steps (8 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 213384 steps, run timeout after 3001 ms. (steps per millisecond=71 ) properties seen :0 out of 1
Probabilistic random walk after 213384 steps, saw 131214 distinct states, run finished after 3001 ms. (steps per millisecond=71 ) properties seen :0
[2025-06-06 04:19:14] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2025-06-06 04:19:14] [INFO ] Computed 3 invariants in 16 ms
[2025-06-06 04:19:14] [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) 284/286 variables, 2/2 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 04:19:14] [INFO ] Deduced a trap composed of 31 places in 544 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:19:15] [INFO ] Deduced a trap composed of 37 places in 509 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:19:15] [INFO ] Deduced a trap composed of 36 places in 514 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:19:16] [INFO ] Deduced a trap composed of 37 places in 514 ms of which 32 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/286 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 19/305 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2604/2909 variables, 305/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2909 variables, 147/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2909 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/2909 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2909/2909 variables, and 459 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3769 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 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) 284/286 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/286 variables, 4/6 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 04:19:18] [INFO ] Deduced a trap composed of 42 places in 512 ms of which 24 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/305 variables, 1/8 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) 2604/2909 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2909 variables, 147/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2909 variables, 1/461 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 04:19:27] [INFO ] Deduced a trap composed of 42 places in 556 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:19:27] [INFO ] Deduced a trap composed of 45 places in 585 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:19:28] [INFO ] Deduced a trap composed of 59 places in 561 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:19:29] [INFO ] Deduced a trap composed of 72 places in 532 ms of which 31 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/2909 variables, 4/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2909 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/2909 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2909/2909 variables, and 465 constraints, problems are : Problem set: 0 solved, 1 unsolved in 12459 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16270ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 242 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2025-06-06 04:19:30] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:19:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:19:32] [INFO ] Implicit Places using invariants in 1986 ms returned []
[2025-06-06 04:19:32] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:19:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:19:33] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:19:58] [INFO ] Implicit Places using invariants and state equation in 25774 ms returned []
Implicit Place search using SMT with State Equation took 27766 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:19:59] [INFO ] Redundant transitions in 627 ms returned []
Running 7806 sub problems to find dead transitions.
[2025-06-06 04:19:59] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:19:59] [INFO ] Invariant cache hit.
[2025-06-06 04:19:59] [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, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2909 variables, and 3 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30094 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7806/7806 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:00] [INFO ] Deduced a trap composed of 138 places in 474 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:01] [INFO ] Deduced a trap composed of 47 places in 482 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:02] [INFO ] Deduced a trap composed of 57 places in 328 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:02] [INFO ] Deduced a trap composed of 70 places in 287 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:03] [INFO ] Deduced a trap composed of 101 places in 271 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:03] [INFO ] Deduced a trap composed of 78 places in 413 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:04] [INFO ] Deduced a trap composed of 134 places in 332 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:04] [INFO ] Deduced a trap composed of 137 places in 371 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:21:04] [INFO ] Deduced a trap composed of 195 places in 295 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2909 variables, and 12 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30102 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7806 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73877ms problems are : Problem set: 0 solved, 7806 unsolved
Search for dead transitions found 0 dead transitions in 73889ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102548 ms. Remains : 305/305 places, 7808/7808 transitions.
Knowledge obtained : [(AND p1 p0), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 5 factoid took 128 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 94 ms :[(AND (NOT p1) (NOT p0)), (NOT p0)]
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p1) (NOT p0)), (NOT p0)]
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p1) (NOT p0)), (NOT p0)]
Product exploration explored 100000 steps with 14 reset in 497 ms.
Product exploration explored 100000 steps with 1 reset in 437 ms.
Built C files in :
/tmp/ltsmin1198674879653460219
[2025-06-06 04:21:14] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 04:21:14] [INFO ] Built C files in 71ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1198674879653460219
Running compilation step : cd /tmp/ltsmin1198674879653460219;'/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/ltsmin1198674879653460219;'/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/ltsmin1198674879653460219;'/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$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 187 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:21:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 04:21:17] [INFO ] Computed 1 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:21:18] [INFO ] Implicit Places using invariants in 436 ms returned []
[2025-06-06 04:21:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:21:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:21:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:21:41] [INFO ] Implicit Places using invariants and state equation in 22990 ms returned []
Implicit Place search using SMT with State Equation took 23430 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:21:41] [INFO ] Redundant transitions in 648 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:21:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:21:41] [INFO ] Invariant cache hit.
[2025-06-06 04:21:41] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$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 30116 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 73602ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73613ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 97906 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin12446362829218859340
[2025-06-06 04:22:55] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 04:22:55] [INFO ] Built C files in 74ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12446362829218859340
Running compilation step : cd /tmp/ltsmin12446362829218859340;'/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/ltsmin12446362829218859340;'/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/ltsmin12446362829218859340;'/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 04:22:59] [INFO ] Flatten gal took : 302 ms
[2025-06-06 04:22:59] [INFO ] Flatten gal took : 200 ms
[2025-06-06 04:22:59] [INFO ] Time to serialize gal into /tmp/LTL17047138124143792734.gal : 52 ms
[2025-06-06 04:22:59] [INFO ] Time to serialize properties into /tmp/LTL1860867586200249238.prop : 3 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/LTL17047138124143792734.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2463237899406633290.hoa' '-atoms' '/tmp/LTL1860867586200249238.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/LTL1860867586200249238.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2463237899406633290.hoa
Detected timeout of ITS tools.
[2025-06-06 04:23:14] [INFO ] Flatten gal took : 187 ms
[2025-06-06 04:23:14] [INFO ] Flatten gal took : 189 ms
[2025-06-06 04:23:14] [INFO ] Time to serialize gal into /tmp/LTL14848467196457676916.gal : 27 ms
[2025-06-06 04:23:14] [INFO ] Time to serialize properties into /tmp/LTL863625787798174133.ltl : 3 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/LTL14848467196457676916.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL863625787798174133.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 : !((((F(G("((p53<1)||(l11<1))")))||(G("((p102<1)||(l29<1))")))||(G("((p53>=1)&&(l11>=1))"))))
Formula 0 simplified : GF!"((p53<1)||(l11<1))" & F!"((p102<1)||(l29<1))" & F!"((p53>=1)&&(l11>=1))"
Detected timeout of ITS tools.
[2025-06-06 04:23:30] [INFO ] Flatten gal took : 183 ms
[2025-06-06 04:23:30] [INFO ] Applying decomposition
[2025-06-06 04:23:30] [INFO ] Flatten gal took : 188 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/graph16002447815153361848.txt' '-o' '/tmp/graph16002447815153361848.bin' '-w' '/tmp/graph16002447815153361848.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16002447815153361848.bin' '-l' '-1' '-v' '-w' '/tmp/graph16002447815153361848.weights' '-q' '0' '-e' '0.001'
[2025-06-06 04:23:31] [INFO ] Decomposing Gal with order
[2025-06-06 04:23:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 04:23:31] [INFO ] Removed a total of 18142 redundant transitions.
[2025-06-06 04:23:31] [INFO ] Flatten gal took : 395 ms
[2025-06-06 04:23:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 1096 labels/synchronizations in 240 ms.
[2025-06-06 04:23:32] [INFO ] Time to serialize gal into /tmp/LTL9941882641010340907.gal : 26 ms
[2025-06-06 04:23:32] [INFO ] Time to serialize properties into /tmp/LTL2440512422138236186.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/LTL9941882641010340907.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL2440512422138236186.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 : !((((F(G("((i4.u51.p53<1)||(i2.u49.l11<1))")))||(G("((i5.u35.p102<1)||(i2.u49.l29<1))")))||(G("((i4.u51.p53>=1)&&(i2.u49.l11>=1))"))))
Formula 0 simplified : GF!"((i4.u51.p53<1)||(i2.u49.l11<1))" & F!"((i5.u35.p102<1)||(i2.u49.l29<1))" & F!"((i4.u51.p53>=1)&&(i2.u49.l11>=1))"
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b08-LTLFireability-06 finished in 602112 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X((F(p1)&&(X(p2)||G(p0))))))'
Support contains 7 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 39 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:23:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:23:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:23:47] [INFO ] Implicit Places using invariants in 436 ms returned []
[2025-06-06 04:23:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:23:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:23:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:24:15] [INFO ] Implicit Places using invariants and state equation in 27407 ms returned []
Implicit Place search using SMT with State Equation took 27849 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:24:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:24:15] [INFO ] Invariant cache hit.
[2025-06-06 04:24:15] [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 30143 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 30102 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 77553ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 77565ms
Finished structural reductions in LTL mode , in 1 iterations and 105473 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 520 ms :[(OR (NOT p1) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p1), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-07
Stuttering criterion allowed to conclude after 293 steps with 0 reset in 5 ms.
FORMULA Szymanski-PT-b08-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b08-LTLFireability-07 finished in 106059 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 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 204 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:25:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:25:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:25:33] [INFO ] Implicit Places using invariants in 421 ms returned []
[2025-06-06 04:25:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:25:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:25:35] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:25:52] [INFO ] Implicit Places using invariants and state equation in 18988 ms returned []
Implicit Place search using SMT with State Equation took 19415 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:25:53] [INFO ] Redundant transitions in 653 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:25:53] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:25:53] [INFO ] Invariant cache hit.
[2025-06-06 04:25:53] [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 30114 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 30118 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 74549ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74561ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 94880 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 56 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-08
Product exploration explored 100000 steps with 29 reset in 497 ms.
Product exploration explored 100000 steps with 1 reset in 478 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 94 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
RANDOM walk for 9993 steps (3 resets) in 75 ms. (131 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 109 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 46 ms :[(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 203 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:27:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:27:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:27:10] [INFO ] Implicit Places using invariants in 431 ms returned []
[2025-06-06 04:27:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:27:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:27:11] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:27:29] [INFO ] Implicit Places using invariants and state equation in 19079 ms returned []
Implicit Place search using SMT with State Equation took 19513 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:27:29] [INFO ] Redundant transitions in 634 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:27:29] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:27:29] [INFO ] Invariant cache hit.
[2025-06-06 04:27:29] [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 "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30099 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 75922ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 75933ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 96320 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, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 76 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
RANDOM walk for 4779 steps (1 resets) in 35 ms. (132 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 94 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Product exploration explored 100000 steps with 15 reset in 528 ms.
Stack based approach found an accepted trace after 2578 steps with 9 reset with depth 157 and stack size 157 in 26 ms.
FORMULA Szymanski-PT-b08-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b08-LTLFireability-08 finished in 193639 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(!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 187 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:28:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:28:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:28:47] [INFO ] Implicit Places using invariants in 448 ms returned []
[2025-06-06 04:28:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:28:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:28:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:29:10] [INFO ] Implicit Places using invariants and state equation in 23190 ms returned []
Implicit Place search using SMT with State Equation took 23650 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:29:11] [INFO ] Redundant transitions in 640 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:29:11] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:29:11] [INFO ] Invariant cache hit.
[2025-06-06 04:29:11] [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 30116 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 76056ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 76066ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 100569 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 76 ms :[p0, true, p0]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-09
Product exploration explored 100000 steps with 13 reset in 522 ms.
Product exploration explored 100000 steps with 0 reset in 447 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 66 ms. Reduced automaton from 3 states, 5 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 52 ms :[true, p0]
RANDOM walk for 40005 steps (11 resets) in 206 ms. (193 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (10 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 211906 steps, run timeout after 3001 ms. (steps per millisecond=70 ) properties seen :0 out of 1
Probabilistic random walk after 211906 steps, saw 144461 distinct states, run finished after 3001 ms. (steps per millisecond=70 ) properties seen :0
[2025-06-06 04:30:31] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:30:31] [INFO ] Invariant cache hit.
[2025-06-06 04:30:31] [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
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 1439 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 1613 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 3105ms 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 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 305 transition count 7808
Applied a total of 128 rules in 197 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7936 (removed 128) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 305/305 places, 7808/7936 transitions.
RANDOM walk for 40007 steps (8 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 220181 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :0 out of 1
Probabilistic random walk after 220181 steps, saw 132952 distinct states, run finished after 3001 ms. (steps per millisecond=73 ) properties seen :0
[2025-06-06 04:30:38] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2025-06-06 04:30:38] [INFO ] Computed 3 invariants in 11 ms
[2025-06-06 04:30:38] [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) 284/286 variables, 2/2 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 04:30:38] [INFO ] Deduced a trap composed of 31 places in 534 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:30:39] [INFO ] Deduced a trap composed of 37 places in 519 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:30:39] [INFO ] Deduced a trap composed of 36 places in 513 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:30:40] [INFO ] Deduced a trap composed of 37 places in 599 ms of which 36 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/286 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 19/305 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2604/2909 variables, 305/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2909 variables, 147/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2909 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/2909 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2909/2909 variables, and 459 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3653 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 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) 284/286 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/286 variables, 4/6 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 04:30:42] [INFO ] Deduced a trap composed of 42 places in 485 ms of which 32 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/305 variables, 1/8 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) 2604/2909 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2909 variables, 147/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2909 variables, 1/461 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2909 variables, 0/461 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 04:30:46] [INFO ] Deduced a trap composed of 134 places in 312 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:30:48] [INFO ] Deduced a trap composed of 101 places in 293 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:30:48] [INFO ] Deduced a trap composed of 195 places in 245 ms of which 5 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/2909 variables, 3/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2909 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/2909 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2909/2909 variables, and 464 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9125 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12834ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 401 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 180 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2025-06-06 04:30:51] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:30:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:30:53] [INFO ] Implicit Places using invariants in 1981 ms returned []
[2025-06-06 04:30:53] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:30:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:30:54] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:31:17] [INFO ] Implicit Places using invariants and state equation in 23716 ms returned []
Implicit Place search using SMT with State Equation took 25703 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:31:18] [INFO ] Redundant transitions in 636 ms returned []
Running 7806 sub problems to find dead transitions.
[2025-06-06 04:31:18] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:31:18] [INFO ] Invariant cache hit.
[2025-06-06 04:31:18] [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, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2909 variables, and 3 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30104 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7806/7806 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:18] [INFO ] Deduced a trap composed of 138 places in 415 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:20] [INFO ] Deduced a trap composed of 47 places in 439 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:21] [INFO ] Deduced a trap composed of 57 places in 370 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:21] [INFO ] Deduced a trap composed of 70 places in 311 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:21] [INFO ] Deduced a trap composed of 101 places in 275 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:22] [INFO ] Deduced a trap composed of 78 places in 395 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:22] [INFO ] Deduced a trap composed of 134 places in 327 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:23] [INFO ] Deduced a trap composed of 137 places in 379 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:32:23] [INFO ] Deduced a trap composed of 195 places in 309 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2909 variables, and 12 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30101 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7806 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73985ms problems are : Problem set: 0 solved, 7806 unsolved
Search for dead transitions found 0 dead transitions in 73997ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100545 ms. Remains : 305/305 places, 7808/7808 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 87 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[true, p0]
Stuttering acceptance computed with spot in 55 ms :[true, 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 187 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:32:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 04:32:32] [INFO ] Computed 1 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:32:32] [INFO ] Implicit Places using invariants in 451 ms returned []
[2025-06-06 04:32:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:32:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:32:34] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:32:55] [INFO ] Implicit Places using invariants and state equation in 22071 ms returned []
Implicit Place search using SMT with State Equation took 22527 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:32:55] [INFO ] Redundant transitions in 641 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:32:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:32:55] [INFO ] Invariant cache hit.
[2025-06-06 04:32:55] [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 30157 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 30175 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 73568ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73577ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 96957 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 213 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 104 ms :[true, p0]
RANDOM walk for 40009 steps (15 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (12 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 209456 steps, run timeout after 3001 ms. (steps per millisecond=69 ) properties seen :0 out of 1
Probabilistic random walk after 209456 steps, saw 143939 distinct states, run finished after 3001 ms. (steps per millisecond=69 ) properties seen :0
[2025-06-06 04:34:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:34:12] [INFO ] Invariant cache hit.
[2025-06-06 04:34:12] [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
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 1444 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 1587 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 3086ms 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 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 305 transition count 7808
Applied a total of 128 rules in 208 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7936 (removed 128) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 215 ms. Remains : 305/305 places, 7808/7936 transitions.
RANDOM walk for 40011 steps (8 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 218505 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :0 out of 1
Probabilistic random walk after 218505 steps, saw 131895 distinct states, run finished after 3001 ms. (steps per millisecond=72 ) properties seen :0
[2025-06-06 04:34:19] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2025-06-06 04:34:19] [INFO ] Computed 3 invariants in 22 ms
[2025-06-06 04:34:19] [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) 284/286 variables, 2/2 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 04:34:19] [INFO ] Deduced a trap composed of 31 places in 573 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:34:20] [INFO ] Deduced a trap composed of 37 places in 530 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:34:20] [INFO ] Deduced a trap composed of 36 places in 552 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:34:21] [INFO ] Deduced a trap composed of 37 places in 574 ms of which 37 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/286 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 19/305 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2604/2909 variables, 305/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2909 variables, 147/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2909 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/2909 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2909/2909 variables, and 459 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3583 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 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) 284/286 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/286 variables, 4/6 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 04:34:23] [INFO ] Deduced a trap composed of 42 places in 483 ms of which 32 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/305 variables, 1/8 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) 2604/2909 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2909 variables, 147/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2909 variables, 1/461 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2909 variables, 0/461 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 04:34:27] [INFO ] Deduced a trap composed of 134 places in 354 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:34:29] [INFO ] Deduced a trap composed of 101 places in 282 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:34:29] [INFO ] Deduced a trap composed of 195 places in 247 ms of which 6 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/2909 variables, 3/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2909 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/2909 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2909/2909 variables, and 464 constraints, problems are : Problem set: 0 solved, 1 unsolved in 8991 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12618ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 388 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 174 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 175 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2025-06-06 04:34:32] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:34:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:34:34] [INFO ] Implicit Places using invariants in 1961 ms returned []
[2025-06-06 04:34:34] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:34:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:34:35] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:34:56] [INFO ] Implicit Places using invariants and state equation in 22047 ms returned []
Implicit Place search using SMT with State Equation took 24013 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:34:57] [INFO ] Redundant transitions in 644 ms returned []
Running 7806 sub problems to find dead transitions.
[2025-06-06 04:34:57] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:34:57] [INFO ] Invariant cache hit.
[2025-06-06 04:34:57] [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 0.0)
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(s184 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2909 variables, and 3 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30114 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7806/7806 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:05] [INFO ] Deduced a trap composed of 138 places in 423 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:07] [INFO ] Deduced a trap composed of 47 places in 414 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:07] [INFO ] Deduced a trap composed of 57 places in 347 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:07] [INFO ] Deduced a trap composed of 70 places in 334 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:08] [INFO ] Deduced a trap composed of 101 places in 310 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:09] [INFO ] Deduced a trap composed of 78 places in 358 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:09] [INFO ] Deduced a trap composed of 134 places in 335 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:09] [INFO ] Deduced a trap composed of 137 places in 339 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:10] [INFO ] Deduced a trap composed of 195 places in 284 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2909 variables, and 12 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30096 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7806 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 81277ms problems are : Problem set: 0 solved, 7806 unsolved
Search for dead transitions found 0 dead transitions in 81289ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106154 ms. Remains : 305/305 places, 7808/7808 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 88 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 56 ms :[true, p0]
Stuttering acceptance computed with spot in 39 ms :[true, p0]
Stuttering acceptance computed with spot in 47 ms :[true, p0]
Product exploration explored 100000 steps with 24 reset in 439 ms.
Product exploration explored 100000 steps with 0 reset in 409 ms.
Built C files in :
/tmp/ltsmin659227310298314579
[2025-06-06 04:36:19] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 04:36:19] [INFO ] Built C files in 78ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin659227310298314579
Running compilation step : cd /tmp/ltsmin659227310298314579;'/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/ltsmin659227310298314579;'/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/ltsmin659227310298314579;'/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 SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:36:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 04:36:23] [INFO ] Computed 1 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:36:23] [INFO ] Implicit Places using invariants in 465 ms returned []
[2025-06-06 04:36:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:36:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:36:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:36:45] [INFO ] Implicit Places using invariants and state equation in 22033 ms returned []
Implicit Place search using SMT with State Equation took 22500 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:36:46] [INFO ] Redundant transitions in 641 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:36:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:36:46] [INFO ] Invariant cache hit.
[2025-06-06 04:36:46] [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
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 30106 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 74175ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74189ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 97543 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin14227168603570735434
[2025-06-06 04:38:00] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 04:38:00] [INFO ] Built C files in 68ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14227168603570735434
Running compilation step : cd /tmp/ltsmin14227168603570735434;'/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/ltsmin14227168603570735434;'/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/ltsmin14227168603570735434;'/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 04:38:03] [INFO ] Flatten gal took : 197 ms
[2025-06-06 04:38:04] [INFO ] Flatten gal took : 194 ms
[2025-06-06 04:38:04] [INFO ] Time to serialize gal into /tmp/LTL14697412502959423741.gal : 27 ms
[2025-06-06 04:38:04] [INFO ] Time to serialize properties into /tmp/LTL7668460644965944742.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/LTL14697412502959423741.gal' '-t' 'CGAL' '-hoa' '/tmp/aut10146583104599691258.hoa' '-atoms' '/tmp/LTL7668460644965944742.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/LTL7668460644965944742.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut10146583104599691258.hoa
Detected timeout of ITS tools.
[2025-06-06 04:38:19] [INFO ] Flatten gal took : 215 ms
[2025-06-06 04:38:19] [INFO ] Flatten gal took : 171 ms
[2025-06-06 04:38:19] [INFO ] Time to serialize gal into /tmp/LTL15848930870201088159.gal : 27 ms
[2025-06-06 04:38:19] [INFO ] Time to serialize properties into /tmp/LTL13316909757573791684.ltl : 10 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/LTL15848930870201088159.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13316909757573791684.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 : !((G(("((p105>=1)&&(l25>=1))")U(X(!("((p105>=1)&&(l25>=1))"))))))
Formula 0 simplified : F(!"((p105>=1)&&(l25>=1))" R X"((p105>=1)&&(l25>=1))")
Detected timeout of ITS tools.
[2025-06-06 04:38:34] [INFO ] Flatten gal took : 182 ms
[2025-06-06 04:38:34] [INFO ] Applying decomposition
[2025-06-06 04:38:35] [INFO ] Flatten gal took : 187 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/graph16977823844379122002.txt' '-o' '/tmp/graph16977823844379122002.bin' '-w' '/tmp/graph16977823844379122002.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16977823844379122002.bin' '-l' '-1' '-v' '-w' '/tmp/graph16977823844379122002.weights' '-q' '0' '-e' '0.001'
[2025-06-06 04:38:35] [INFO ] Decomposing Gal with order
[2025-06-06 04:38:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 04:38:35] [INFO ] Removed a total of 18365 redundant transitions.
[2025-06-06 04:38:36] [INFO ] Flatten gal took : 513 ms
[2025-06-06 04:38:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 1124 labels/synchronizations in 197 ms.
[2025-06-06 04:38:36] [INFO ] Time to serialize gal into /tmp/LTL10400580053126555650.gal : 18 ms
[2025-06-06 04:38:36] [INFO ] Time to serialize properties into /tmp/LTL17278742699448891755.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/LTL10400580053126555650.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17278742699448891755.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 : !((G(("((i5.u36.p105>=1)&&(i7.u55.l25>=1))")U(X(!("((i5.u36.p105>=1)&&(i7.u55.l25>=1))"))))))
Formula 0 simplified : F(!"((i5.u36.p105>=1)&&(i7.u55.l25>=1))" R X"((i5.u36.p105>=1)&&(i7.u55.l25>=1))")
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b08-LTLFireability-09 finished in 604653 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 04:38:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:38:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:38:52] [INFO ] Implicit Places using invariants in 402 ms returned []
[2025-06-06 04:38:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:38:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:38:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:39:17] [INFO ] Implicit Places using invariants and state equation in 25141 ms returned []
Implicit Place search using SMT with State Equation took 25557 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:39:17] [INFO ] Redundant transitions in 642 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:39:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:39:17] [INFO ] Invariant cache hit.
[2025-06-06 04:39:17] [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
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 30105 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 75244ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 75256ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 101670 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 413 ms.
Stack based approach found an accepted trace after 200 steps with 0 reset with depth 201 and stack size 201 in 2 ms.
FORMULA Szymanski-PT-b08-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b08-LTLFireability-10 finished in 102221 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0 U (p1||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 37 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:40:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:40:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:40:34] [INFO ] Implicit Places using invariants in 470 ms returned []
[2025-06-06 04:40:34] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:40:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:40:35] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:40:55] [INFO ] Implicit Places using invariants and state equation in 21636 ms returned []
Implicit Place search using SMT with State Equation took 22118 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:40:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:40:55] [INFO ] Invariant cache hit.
[2025-06-06 04:40:55] [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 30264 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 30102 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 82907ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 82917ms
Finished structural reductions in LTL mode , in 1 iterations and 105115 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 211 ms :[true, (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 675 ms.
Product exploration explored 100000 steps with 50000 reset in 606 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 p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 22 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b08-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b08-LTLFireability-12 finished in 106740 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 6 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.
[2025-06-06 04:42:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:42:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:42:21] [INFO ] Implicit Places using invariants in 463 ms returned []
[2025-06-06 04:42:21] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:42:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:42:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:42:42] [INFO ] Implicit Places using invariants and state equation in 21107 ms returned []
Implicit Place search using SMT with State Equation took 21577 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:42:42] [INFO ] Redundant transitions in 635 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:42:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:42:42] [INFO ] Invariant cache hit.
[2025-06-06 04:42:42] [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 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 79239ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 79252ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 101724 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-13
Stuttering criterion allowed to conclude after 535 steps with 1 reset in 15 ms.
FORMULA Szymanski-PT-b08-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b08-LTLFireability-13 finished in 101817 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 239 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:44:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:44:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:44:02] [INFO ] Implicit Places using invariants in 405 ms returned []
[2025-06-06 04:44:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:44:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:44:04] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:44:22] [INFO ] Implicit Places using invariants and state equation in 19812 ms returned []
Implicit Place search using SMT with State Equation took 20241 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:44:23] [INFO ] Redundant transitions in 657 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:44:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:44:23] [INFO ] Invariant cache hit.
[2025-06-06 04:44:23] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30113 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 84355ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 84366ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 105531 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b08-LTLFireability-14
Stuttering criterion allowed to conclude after 122 steps with 0 reset in 3 ms.
FORMULA Szymanski-PT-b08-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b08-LTLFireability-14 finished in 105631 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(p0))||G(p1))&&(X(p2)||G(p3)))))'
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))||G(p1)||G(!p0)))'
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(!p0))))'
[2025-06-06 04:45:48] [INFO ] Flatten gal took : 234 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin6846536535721162540
[2025-06-06 04:45:48] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 04:45:49] [INFO ] Applying decomposition
[2025-06-06 04:45:49] [INFO ] Built C files in 145ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6846536535721162540
Running compilation step : cd /tmp/ltsmin6846536535721162540;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '240' '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'
[2025-06-06 04:45:49] [INFO ] Flatten gal took : 291 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/graph10122938445222302680.txt' '-o' '/tmp/graph10122938445222302680.bin' '-w' '/tmp/graph10122938445222302680.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10122938445222302680.bin' '-l' '-1' '-v' '-w' '/tmp/graph10122938445222302680.weights' '-q' '0' '-e' '0.001'
[2025-06-06 04:45:49] [INFO ] Decomposing Gal with order
[2025-06-06 04:45:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 04:45:50] [INFO ] Removed a total of 17871 redundant transitions.
[2025-06-06 04:45:50] [INFO ] Flatten gal took : 745 ms
[2025-06-06 04:45:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 1030 labels/synchronizations in 994 ms.
[2025-06-06 04:45:52] [INFO ] Time to serialize gal into /tmp/LTLFireability6582151650282752301.gal : 60 ms
[2025-06-06 04:45:52] [INFO ] Time to serialize properties into /tmp/LTLFireability7699631013205490571.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/LTLFireability6582151650282752301.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability7699631013205490571.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...276
Read 3 LTL properties
Checking formula 0 : !((G(((X(X("((i3.u54.s8<1)||(i5.u49.l17<1))")))||(G("((i8.i1.u11.p35<1)||(i5.u50.l18<1))")))&&((X("((i1.u20.p60<1)||(u48.l13<1))"))||(...196
Formula 0 simplified : F((XX!"((i3.u54.s8<1)||(i5.u49.l17<1))" & F!"((i8.i1.u11.p35<1)||(i5.u50.l18<1))") | (X!"((i1.u20.p60<1)||(u48.l13<1))" & F!"((i1.u9...182
Compilation finished in 43003 ms.
Running link step : cd /tmp/ltsmin6846536535721162540;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 111 ms.
Running LTSmin : cd /tmp/ltsmin6846536535721162540;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' '[](((X(X((LTLAPp0==true)))||[]((LTLAPp1==true)))&&(X((LTLAPp2==true))||[]((LTLAPp3==true)))))' '--buchi-type=spotba'

BK_STOP 1749185369610

--------------------
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-b08"
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-b08, 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-174915589300156"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b08.tgz
mv Szymanski-PT-b08 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 ;