Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589300164.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-b10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589300164
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K 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-b10-LTLFireability-00
FORMULA_NAME Szymanski-PT-b10-LTLFireability-01
FORMULA_NAME Szymanski-PT-b10-LTLFireability-02
FORMULA_NAME Szymanski-PT-b10-LTLFireability-03
FORMULA_NAME Szymanski-PT-b10-LTLFireability-04
FORMULA_NAME Szymanski-PT-b10-LTLFireability-05
FORMULA_NAME Szymanski-PT-b10-LTLFireability-06
FORMULA_NAME Szymanski-PT-b10-LTLFireability-07
FORMULA_NAME Szymanski-PT-b10-LTLFireability-08
FORMULA_NAME Szymanski-PT-b10-LTLFireability-09
FORMULA_NAME Szymanski-PT-b10-LTLFireability-10
FORMULA_NAME Szymanski-PT-b10-LTLFireability-11
FORMULA_NAME Szymanski-PT-b10-LTLFireability-12
FORMULA_NAME Szymanski-PT-b10-LTLFireability-13
FORMULA_NAME Szymanski-PT-b10-LTLFireability-14
FORMULA_NAME Szymanski-PT-b10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749185362517

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-b10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 04:49:23] [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 04:49:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 04:49:24] [INFO ] Load time of PNML (sax parser for PT used): 332 ms
[2025-06-06 04:49:24] [INFO ] Transformed 568 places.
[2025-06-06 04:49:24] [INFO ] Transformed 8320 transitions.
[2025-06-06 04:49:24] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 493 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 260 places in 20 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b10-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 54 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 8064
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 04:49:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 04:49:25] [INFO ] Computed 1 invariants in 53 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:49:25] [INFO ] Implicit Places using invariants in 606 ms returned []
[2025-06-06 04:49:25] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:49:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:49:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:49:50] [INFO ] Implicit Places using invariants and state equation in 24488 ms returned []
Implicit Place search using SMT with State Equation took 25137 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:49:50] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:49:50] [INFO ] Invariant cache hit.
[2025-06-06 04:49:50] [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 30238 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 74027ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74104ms
Starting structural reductions in LTL mode, iteration 1 : 305/308 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 99468 ms. Remains : 305/308 places, 7936/8064 transitions.
Support contains 54 out of 305 places after structural reductions.
[2025-06-06 04:51:04] [INFO ] Flatten gal took : 436 ms
[2025-06-06 04:51:05] [INFO ] Flatten gal took : 284 ms
[2025-06-06 04:51:05] [INFO ] Input system was already deterministic with 7936 transitions.
Support contains 53 out of 305 places (down from 54) after GAL structural reductions.
RANDOM walk for 40010 steps (13 resets) in 1193 ms. (33 steps per ms) remains 26/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 23/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 20/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 18/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 17/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
[2025-06-06 04:51:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:51:06] [INFO ] Invariant cache hit.
[2025-06-06 04:51:06] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 272/305 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
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5023 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 272/305 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
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 16/469 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 469 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5008 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10094ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 33 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 457 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 458 ms. Remains : 305/305 places, 7936/7936 transitions.
RANDOM walk for 40015 steps (12 resets) in 256 ms. (155 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
Interrupted probabilistic random walk after 135250 steps, run timeout after 3001 ms. (steps per millisecond=45 ) properties seen :2 out of 16
Probabilistic random walk after 135250 steps, saw 106438 distinct states, run finished after 3007 ms. (steps per millisecond=44 ) properties seen :2
[2025-06-06 04:51:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:51:20] [INFO ] Invariant cache hit.
[2025-06-06 04:51:20] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 278/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 14 unsolved in 4975 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 278/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 14/467 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 467 constraints, problems are : Problem set: 0 solved, 14 unsolved in 45017 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50047ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 27 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 233 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 233 ms. Remains : 305/305 places, 7936/7936 transitions.
RANDOM walk for 40014 steps (16 resets) in 374 ms. (106 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (11 resets) in 153 ms. (259 steps per ms) remains 13/14 properties
BEST_FIRST walk for 40003 steps (11 resets) in 158 ms. (251 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (10 resets) in 132 ms. (300 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (10 resets) in 160 ms. (248 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40004 steps (11 resets) in 187 ms. (212 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 166 ms. (239 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 40003 steps (11 resets) in 190 ms. (209 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (10 resets) in 153 ms. (259 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 148 ms. (268 steps per ms) remains 9/10 properties
[2025-06-06 04:52:11] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:52:11] [INFO ] Invariant cache hit.
[2025-06-06 04:52:11] [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) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 288/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 9 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, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 9 unsolved in 3673 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 288/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 9/462 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3037 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/3037 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 462 constraints, problems are : Problem set: 0 solved, 9 unsolved in 19551 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23298ms problems are : Problem set: 0 solved, 9 unsolved
Parikh walk visited 2 properties in 6327 ms.
Support contains 13 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 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 305 transition count 7876
Applied a total of 60 rules in 330 ms. Remains 305 /305 variables (removed 0) and now considering 7876/7936 (removed 60) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 330 ms. Remains : 305/305 places, 7876/7936 transitions.
RANDOM walk for 40017 steps (9 resets) in 190 ms. (209 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (9 resets) in 101 ms. (392 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 76 ms. (519 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 75 ms. (526 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 60 ms. (655 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (11 resets) in 61 ms. (645 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (9 resets) in 58 ms. (678 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 139021 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :0 out of 7
Probabilistic random walk after 139021 steps, saw 109413 distinct states, run finished after 3001 ms. (steps per millisecond=46 ) properties seen :0
[2025-06-06 04:52:44] [INFO ] Flow matrix only has 2672 transitions (discarded 5204 similar events)
// Phase 1: matrix 2672 rows 305 cols
[2025-06-06 04:52:44] [INFO ] Computed 1 invariants in 33 ms
[2025-06-06 04:52:44] [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) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 292/305 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
At refinement iteration 3 (OVERLAPS) 2672/2977 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2977 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2977 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/2977 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2977/2977 variables, and 453 constraints, problems are : Problem set: 0 solved, 7 unsolved in 3807 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: 0 solved, 7 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 292/305 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
At refinement iteration 3 (OVERLAPS) 2672/2977 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2977 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2977 variables, 7/460 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2977 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/2977 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2977/2977 variables, and 460 constraints, problems are : Problem set: 0 solved, 7 unsolved in 24574 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]
After SMT, in 28452ms problems are : Problem set: 0 solved, 7 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 13 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7876/7876 transitions.
Applied a total of 0 rules in 208 ms. Remains 305 /305 variables (removed 0) and now considering 7876/7876 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 208 ms. Remains : 305/305 places, 7876/7876 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7876/7876 transitions.
Applied a total of 0 rules in 209 ms. Remains 305 /305 variables (removed 0) and now considering 7876/7876 (removed 0) transitions.
[2025-06-06 04:53:13] [INFO ] Flow matrix only has 2672 transitions (discarded 5204 similar events)
[2025-06-06 04:53:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:53:13] [INFO ] Implicit Places using invariants in 419 ms returned []
[2025-06-06 04:53:13] [INFO ] Flow matrix only has 2672 transitions (discarded 5204 similar events)
[2025-06-06 04:53:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:53:14] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:53:44] [INFO ] Performed 96/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 04:54:12] [INFO ] Implicit Places using invariants and state equation in 58589 ms returned []
Implicit Place search using SMT with State Equation took 59014 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:54:13] [INFO ] Redundant transitions in 858 ms returned []
Running 7874 sub problems to find dead transitions.
[2025-06-06 04:54:13] [INFO ] Flow matrix only has 2672 transitions (discarded 5204 similar events)
[2025-06-06 04:54:13] [INFO ] Invariant cache hit.
[2025-06-06 04:54:13] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7874 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2977 variables, and 1 constraints, problems are : Problem set: 0 solved, 7874 unsolved in 30117 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7874/7874 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7874 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, 7874 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2977 variables, and 1 constraints, problems are : Problem set: 0 solved, 7874 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7874 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74212ms problems are : Problem set: 0 solved, 7874 unsolved
Search for dead transitions found 0 dead transitions in 74230ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 134340 ms. Remains : 305/305 places, 7876/7876 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&F(p1))))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 66 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:55:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 04:55:27] [INFO ] Computed 1 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:55:28] [INFO ] Implicit Places using invariants in 425 ms returned []
[2025-06-06 04:55:28] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:55:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:55:29] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:55:59] [INFO ] Implicit Places using invariants and state equation in 31331 ms returned []
Implicit Place search using SMT with State Equation took 31762 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:55:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:55:59] [INFO ] Invariant cache hit.
[2025-06-06 04:55:59] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30112 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 73559ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73576ms
Finished structural reductions in LTL mode , in 1 iterations and 105439 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 358 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-00
Product exploration explored 100000 steps with 33333 reset in 891 ms.
Product exploration explored 100000 steps with 33333 reset in 770 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 p1), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 21 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b10-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b10-LTLFireability-00 finished in 107629 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((F(G(!p0)) U G(p1)))))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 55 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 04:57:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:57:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:57:15] [INFO ] Implicit Places using invariants in 384 ms returned []
[2025-06-06 04:57:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:57:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:57:17] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:57:42] [INFO ] Implicit Places using invariants and state equation in 26553 ms returned []
Implicit Place search using SMT with State Equation took 26945 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 04:57:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:57:42] [INFO ] Invariant cache hit.
[2025-06-06 04:57:42] [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 30102 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 73472ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73490ms
Finished structural reductions in LTL mode , in 1 iterations and 100523 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 184 ms :[(NOT p1), (NOT p1), (NOT p1), p0]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-01
Product exploration explored 100000 steps with 18 reset in 491 ms.
Product exploration explored 100000 steps with 23 reset in 715 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 2 factoid took 71 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p1), p0]
RANDOM walk for 40013 steps (13 resets) in 267 ms. (149 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (9 resets) in 209 ms. (190 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (9 resets) in 179 ms. (222 steps per ms) remains 1/2 properties
[2025-06-06 04:58:57] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 04:58:57] [INFO ] Invariant cache hit.
[2025-06-06 04:58:57] [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 1209 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 1567 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 2799ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 312 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 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 215 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 215 ms. Remains : 305/305 places, 7809/7936 transitions.
RANDOM walk for 40007 steps (8 resets) in 201 ms. (198 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 231548 steps, run timeout after 3001 ms. (steps per millisecond=77 ) properties seen :0 out of 1
Probabilistic random walk after 231548 steps, saw 181015 distinct states, run finished after 3001 ms. (steps per millisecond=77 ) properties seen :0
[2025-06-06 04:59:04] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2025-06-06 04:59:04] [INFO ] Computed 2 invariants in 22 ms
[2025-06-06 04:59:04] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 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 04:59:04] [INFO ] Deduced a trap composed of 49 places in 602 ms of which 35 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2605/2910 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2910 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2910 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2910 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2910/2910 variables, and 455 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1411 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2605/2910 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2910 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2910 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 04:59:09] [INFO ] Deduced a trap composed of 51 places in 611 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:59:10] [INFO ] Deduced a trap composed of 42 places in 635 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:59:11] [INFO ] Deduced a trap composed of 64 places in 580 ms of which 29 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2910 variables, 3/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2910 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/2910 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2910/2910 variables, and 459 constraints, problems are : Problem set: 0 solved, 1 unsolved in 6092 ms.
Refiners :[Generalized P Invariants (flows): 2/2 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 7550ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 201 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 190 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 190 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 209 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2025-06-06 04:59:12] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 04:59:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:59:12] [INFO ] Implicit Places using invariants in 443 ms returned []
[2025-06-06 04:59:12] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 04:59:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:59:13] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:59:43] [INFO ] Performed 122/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:00:13] [INFO ] Performed 293/305 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-06 05:00:21] [INFO ] Implicit Places using invariants and state equation in 68925 ms returned []
Implicit Place search using SMT with State Equation took 69372 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:00:22] [INFO ] Redundant transitions in 951 ms returned []
Running 7807 sub problems to find dead transitions.
[2025-06-06 05:00:22] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2025-06-06 05:00:22] [INFO ] Invariant cache hit.
[2025-06-06 05:00:22] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30225 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7807/7807 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7807 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30089 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7807 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 76647ms problems are : Problem set: 0 solved, 7807 unsolved
Search for dead transitions found 0 dead transitions in 76669ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147239 ms. Remains : 305/305 places, 7809/7809 transitions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 184 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 121 ms :[(NOT p1), p0]
Stuttering acceptance computed with spot in 68 ms :[(NOT p1), p0]
[2025-06-06 05:01:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 05:01:40] [INFO ] Computed 1 invariants in 32 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 05:01:42] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 05:01:43] [INFO ] [Real]Absence check using state equation in 696 ms returned sat
[2025-06-06 05:01:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 05:01:46] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 05:01:46] [INFO ] [Nat]Absence check using state equation in 588 ms returned sat
[2025-06-06 05:01:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:01:48] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 05:01:48] [INFO ] [Nat]Added 147 Read/Feed constraints in 1564 ms returned sat
[2025-06-06 05:01:49] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2721 transitions) in 748 ms.
[2025-06-06 05:01:49] [INFO ] Added : 1 causal constraints over 1 iterations in 1079 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 617 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:01:50] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:01:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:01:50] [INFO ] Implicit Places using invariants in 451 ms returned []
[2025-06-06 05:01:50] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:01:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:01:52] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:02:17] [INFO ] Implicit Places using invariants and state equation in 26924 ms returned []
Implicit Place search using SMT with State Equation took 27397 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:02:18] [INFO ] Redundant transitions in 800 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:02:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:02:18] [INFO ] Invariant cache hit.
[2025-06-06 05:02:18] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 75113ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 75135ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 103984 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 129 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p1), p0]
RANDOM walk for 40016 steps (10 resets) in 160 ms. (248 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (10 resets) in 81 ms. (487 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (10 resets) in 99 ms. (400 steps per ms) remains 1/2 properties
[2025-06-06 05:03:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:03:33] [INFO ] Invariant cache hit.
[2025-06-06 05:03:34] [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 1374 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 1634 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 3089ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 229 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 229 ms. Remains : 305/305 places, 7809/7936 transitions.
RANDOM walk for 40021 steps (8 resets) in 396 ms. (100 steps per ms) remains 1/1 properties
BEST_FIRST walk for 37831 steps (8 resets) in 109 ms. (343 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 5 factoid took 113 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 58 ms :[(NOT p1), p0]
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), p0]
[2025-06-06 05:03:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:03:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 05:03:40] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 05:03:40] [INFO ] [Real]Absence check using state equation in 496 ms returned sat
[2025-06-06 05:03:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 05:03:43] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 05:03:43] [INFO ] [Nat]Absence check using state equation in 572 ms returned sat
[2025-06-06 05:03:43] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:03:45] [INFO ] [Nat]Added 147 Read/Feed constraints in 1575 ms returned sat
[2025-06-06 05:03:46] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2721 transitions) in 740 ms.
[2025-06-06 05:03:46] [INFO ] Added : 1 causal constraints over 1 iterations in 1156 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 78 ms :[(NOT p1), p0]
Product exploration explored 100000 steps with 20 reset in 488 ms.
Product exploration explored 100000 steps with 31 reset in 521 ms.
Built C files in :
/tmp/ltsmin3555119930924406657
[2025-06-06 05:03:47] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:03:48] [INFO ] Built C files in 202ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3555119930924406657
Running compilation step : cd /tmp/ltsmin3555119930924406657;'/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/ltsmin3555119930924406657;'/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/ltsmin3555119930924406657;'/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$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 205 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:03:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:03:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:03:51] [INFO ] Implicit Places using invariants in 466 ms returned []
[2025-06-06 05:03:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:03:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:03:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:04:18] [INFO ] Implicit Places using invariants and state equation in 27066 ms returned []
Implicit Place search using SMT with State Equation took 27544 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:04:19] [INFO ] Redundant transitions in 1006 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:04:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:04:20] [INFO ] Invariant cache hit.
[2025-06-06 05:04:20] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$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 30119 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 88020ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 88033ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 116807 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin2904110645733637181
[2025-06-06 05:05:48] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:05:48] [INFO ] Built C files in 74ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2904110645733637181
Running compilation step : cd /tmp/ltsmin2904110645733637181;'/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/ltsmin2904110645733637181;'/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/ltsmin2904110645733637181;'/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 05:05:51] [INFO ] Flatten gal took : 206 ms
[2025-06-06 05:05:51] [INFO ] Flatten gal took : 220 ms
[2025-06-06 05:05:51] [INFO ] Time to serialize gal into /tmp/LTL5599002664416739857.gal : 60 ms
[2025-06-06 05:05:51] [INFO ] Time to serialize properties into /tmp/LTL12645254332586124602.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/LTL5599002664416739857.gal' '-t' 'CGAL' '-hoa' '/tmp/aut13577226568935122728.hoa' '-atoms' '/tmp/LTL12645254332586124602.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/LTL12645254332586124602.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut13577226568935122728.hoa
Detected timeout of ITS tools.
[2025-06-06 05:06:07] [INFO ] Flatten gal took : 202 ms
[2025-06-06 05:06:07] [INFO ] Flatten gal took : 191 ms
[2025-06-06 05:06:07] [INFO ] Time to serialize gal into /tmp/LTL11225794733672628472.gal : 29 ms
[2025-06-06 05:06:07] [INFO ] Time to serialize properties into /tmp/LTL14688078571978504802.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/LTL11225794733672628472.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14688078571978504802.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X(X((F(G(!("((p71>=1)&&(l35>=1))"))))U(G("((p77>=1)&&(l16>=1))"))))))
Formula 0 simplified : XX(GF"((p71>=1)&&(l35>=1))" R F!"((p77>=1)&&(l16>=1))")
Detected timeout of ITS tools.
[2025-06-06 05:06:22] [INFO ] Flatten gal took : 199 ms
[2025-06-06 05:06:22] [INFO ] Applying decomposition
[2025-06-06 05:06:23] [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/graph2031282465054241667.txt' '-o' '/tmp/graph2031282465054241667.bin' '-w' '/tmp/graph2031282465054241667.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2031282465054241667.bin' '-l' '-1' '-v' '-w' '/tmp/graph2031282465054241667.weights' '-q' '0' '-e' '0.001'
[2025-06-06 05:06:23] [INFO ] Decomposing Gal with order
[2025-06-06 05:06:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 05:06:24] [INFO ] Removed a total of 18062 redundant transitions.
[2025-06-06 05:06:24] [INFO ] Flatten gal took : 777 ms
[2025-06-06 05:06:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 979 labels/synchronizations in 293 ms.
[2025-06-06 05:06:25] [INFO ] Time to serialize gal into /tmp/LTL9100431914184181154.gal : 39 ms
[2025-06-06 05:06:25] [INFO ] Time to serialize properties into /tmp/LTL10512096434770644009.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9100431914184181154.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10512096434770644009.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 : !((X(X((F(G(!("((i2.u24.p71>=1)&&(i7.u57.l35>=1))"))))U(G("((i7.u27.p77>=1)&&(i6.u50.l16>=1))"))))))
Formula 0 simplified : XX(GF"((i2.u24.p71>=1)&&(i7.u57.l35>=1))" R F!"((i7.u27.p77>=1)&&(i6.u50.l16>=1))")
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b10-LTLFireability-01 finished in 564759 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 211 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:06:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:06:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:06:40] [INFO ] Implicit Places using invariants in 404 ms returned []
[2025-06-06 05:06:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:06:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:06:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:07:12] [INFO ] Performed 116/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:07:31] [INFO ] Implicit Places using invariants and state equation in 50246 ms returned []
Implicit Place search using SMT with State Equation took 50653 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:07:31] [INFO ] Redundant transitions in 817 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:07:31] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:07:31] [INFO ] Invariant cache hit.
[2025-06-06 05:07:31] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 73442ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73457ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 125166 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-02
Product exploration explored 100000 steps with 0 reset in 436 ms.
Product exploration explored 100000 steps with 15 reset in 554 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 97 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 40 ms :[(NOT p0)]
RANDOM walk for 40017 steps (8 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (10 resets) in 179 ms. (222 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 81 steps, run visited all 1 properties in 11 ms. (steps per millisecond=7 )
Probabilistic random walk after 81 steps, saw 65 distinct states, run finished after 16 ms. (steps per millisecond=5 ) properties seen :1
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 47 ms :[(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 191 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:08:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:08:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:08:47] [INFO ] Implicit Places using invariants in 409 ms returned []
[2025-06-06 05:08:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:08:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:08:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:09:19] [INFO ] Performed 256/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:09:36] [INFO ] Implicit Places using invariants and state equation in 48894 ms returned []
Implicit Place search using SMT with State Equation took 49308 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:09:37] [INFO ] Redundant transitions in 810 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:09:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:09:37] [INFO ] Invariant cache hit.
[2025-06-06 05:09:37] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30100 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 74196ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74206ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 124549 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 92 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 28 ms :[(NOT p0)]
RANDOM walk for 40013 steps (10 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 81 steps, run visited all 1 properties in 12 ms. (steps per millisecond=6 )
Probabilistic random walk after 81 steps, saw 65 distinct states, run finished after 12 ms. (steps per millisecond=6 ) properties seen :1
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 26 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 29 reset in 534 ms.
Product exploration explored 100000 steps with 13 reset in 485 ms.
Built C files in :
/tmp/ltsmin13802606238400286041
[2025-06-06 05:10:53] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:10:53] [INFO ] Built C files in 72ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13802606238400286041
Running compilation step : cd /tmp/ltsmin13802606238400286041;'/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/ltsmin13802606238400286041;'/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/ltsmin13802606238400286041;'/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$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 187 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:10:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:10:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:10:56] [INFO ] Implicit Places using invariants in 428 ms returned []
[2025-06-06 05:10:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:10:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:10:58] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:11:28] [INFO ] Performed 119/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:11:47] [INFO ] Implicit Places using invariants and state equation in 50319 ms returned []
Implicit Place search using SMT with State Equation took 50749 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:11:47] [INFO ] Redundant transitions in 822 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:11:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:11:47] [INFO ] Invariant cache hit.
[2025-06-06 05:11:47] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 timeout
org.smtlib.IParser$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 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 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 73582ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73594ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 125375 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin17633147315835151143
[2025-06-06 05:13:01] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:13:01] [INFO ] Built C files in 70ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17633147315835151143
Running compilation step : cd /tmp/ltsmin17633147315835151143;'/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/ltsmin17633147315835151143;'/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/ltsmin17633147315835151143;'/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 05:13:04] [INFO ] Flatten gal took : 198 ms
[2025-06-06 05:13:05] [INFO ] Flatten gal took : 204 ms
[2025-06-06 05:13:05] [INFO ] Time to serialize gal into /tmp/LTL17476897058925719193.gal : 30 ms
[2025-06-06 05:13:05] [INFO ] Time to serialize properties into /tmp/LTL12509800250954385517.prop : 2 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/LTL17476897058925719193.gal' '-t' 'CGAL' '-hoa' '/tmp/aut12454991401648916769.hoa' '-atoms' '/tmp/LTL12509800250954385517.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...320
Loading property file /tmp/LTL12509800250954385517.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut12454991401648916769.hoa
Detected timeout of ITS tools.
[2025-06-06 05:13:20] [INFO ] Flatten gal took : 175 ms
[2025-06-06 05:13:20] [INFO ] Flatten gal took : 185 ms
[2025-06-06 05:13:20] [INFO ] Time to serialize gal into /tmp/LTL16113146569791433989.gal : 38 ms
[2025-06-06 05:13:20] [INFO ] Time to serialize properties into /tmp/LTL2334905722844261523.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/LTL16113146569791433989.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL2334905722844261523.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...276
Read 1 LTL properties
Checking formula 0 : !((F(G("(((s2<1)||(l42<1))&&(((p33<1)||(l25<1))||((s2<1)||(l42<1))))"))))
Formula 0 simplified : GF!"(((s2<1)||(l42<1))&&(((p33<1)||(l25<1))||((s2<1)||(l42<1))))"
Detected timeout of ITS tools.
[2025-06-06 05:13:35] [INFO ] Flatten gal took : 166 ms
[2025-06-06 05:13:35] [INFO ] Applying decomposition
[2025-06-06 05:13:36] [INFO ] Flatten gal took : 179 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/graph4276821602903489391.txt' '-o' '/tmp/graph4276821602903489391.bin' '-w' '/tmp/graph4276821602903489391.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4276821602903489391.bin' '-l' '-1' '-v' '-w' '/tmp/graph4276821602903489391.weights' '-q' '0' '-e' '0.001'
[2025-06-06 05:13:36] [INFO ] Decomposing Gal with order
[2025-06-06 05:13:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 05:13:36] [INFO ] Removed a total of 18142 redundant transitions.
[2025-06-06 05:13:36] [INFO ] Flatten gal took : 362 ms
[2025-06-06 05:13:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 1072 labels/synchronizations in 216 ms.
[2025-06-06 05:13:37] [INFO ] Time to serialize gal into /tmp/LTL12141730145180608435.gal : 28 ms
[2025-06-06 05:13:37] [INFO ] Time to serialize properties into /tmp/LTL5698334046188586249.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/LTL12141730145180608435.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5698334046188586249.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 : !((F(G("(((i2.i1.u47.s2<1)||(i9.u60.l42<1))&&(((i2.i1.u11.p33<1)||(u54.l25<1))||((i2.i1.u47.s2<1)||(i9.u60.l42<1))))"))))
Formula 0 simplified : GF!"(((i2.i1.u47.s2<1)||(i9.u60.l42<1))&&(((i2.i1.u11.p33<1)||(u54.l25<1))||((i2.i1.u47.s2<1)||(i9.u60.l42<1))))"
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b10-LTLFireability-02 finished in 432237 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||X(((p2 U p3)&&p1))||G(p4)))))'
Support contains 10 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 05:13:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:13:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:13:52] [INFO ] Implicit Places using invariants in 397 ms returned []
[2025-06-06 05:13:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:13:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:13:54] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:14:24] [INFO ] Performed 259/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:14:36] [INFO ] Implicit Places using invariants and state equation in 43624 ms returned []
Implicit Place search using SMT with State Equation took 44023 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:14:36] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:14:36] [INFO ] Invariant cache hit.
[2025-06-06 05:14:36] [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)
(s7 1.0)
(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)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
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(s58 1.0)
(s59 1.0)
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(s71 1.0)
(s72 1.0)
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(s77 1.0)
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(s84 1.0)
(s85 1.0)
(s86 1.0)
(s87 1.0)
(s88 1.0)
(s89 1.0)
(s90 1.0)
(s91 1.0)
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(s93 1.0)
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(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 1.0)
(s103 1.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s138 1.0)
(s139 1.0)
(s140 1.0)
(s141 1.0)
(s142 1.0)
(s143 1.0)
(s144 1.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 1.0)
(s149 1.0)
(s150 1.0)
(s151 1.0)
(s152 1.0)
(s153 1.0)
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(s155 1.0)
(s156 1.0)
(s157 1.0)
(s158 1.0)
(s159 1.0)
(s160 1.0)
(s161 1.0)
(s162 1.0)
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(s164 1.0)
(s165 1.0)
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(s167 1.0)
(s168 1.0)
(s169 1.0)
(s170 1.0)
(s171 1.0)
(s172 1.0)
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(s174 1.0)
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(s177 1.0)
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(s179 1.0)
(s180 1.0)
(s181 1.0)
(s182 1.0)
(s183 1.0)
(s184 1.0)
(s185 1.0)
(s186 1.0)
(s187 1.0)
(s188 1.0)
(s189 1.0)
(s190 1.0)
(s191 1.0)
(s192 1.0)
(s193 1.0)
(s194 1.0)
(s195 1.0)
(s196 1.0)
(s197 1.0)
(s198 1.0)
(s199 1.0)
(s200 1.0)
(s201 1.0)
(s202 1.0)
(s203 1.0)
(s204 1.0)
(s205 1.0)
(s206 1.0)
(s207 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30116 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$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 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 73622ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73632ms
Finished structural reductions in LTL mode , in 1 iterations and 117700 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 423 ms :[true, (NOT p3), (OR (NOT p3) (NOT p1)), (OR (AND (NOT p0) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p4))), (OR (AND (NOT p3) (NOT p4)) (AND (NOT p1) (NOT p4))), (NOT p4), (AND (NOT p3) (NOT p4)), (OR (AND (NOT p0) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p4))), (OR (AND (NOT p0) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p4)))]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-03
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-b10-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b10-LTLFireability-03 finished in 118168 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(((p1||X(p2))&&p0))&&X(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 38 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:15:50] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:15:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:15:51] [INFO ] Implicit Places using invariants in 426 ms returned []
[2025-06-06 05:15:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:15:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:15:52] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:16:22] [INFO ] Performed 278/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:16:28] [INFO ] Implicit Places using invariants and state equation in 37048 ms returned []
Implicit Place search using SMT with State Equation took 37491 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:16:28] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:16:28] [INFO ] Invariant cache hit.
[2025-06-06 05:16:28] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30160 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
(s284 1timeout
^^^^^^^^
(error "Invalid token: 1timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s255 1)
(s256 1)
(s257 1)
(s258 1)
(s259 1)
(s260 1)
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(s265 1)
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(s271 1)
(s272 1)
(s273 1)
(s274 1)
(s275 1)
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(s282 1)
(s283 1)
(s284 1timeout
) 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 30209 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 76826ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 76843ms
Finished structural reductions in LTL mode , in 1 iterations and 114384 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 426 ms :[(OR (NOT p0) (NOT p1) p2), (OR (NOT p0) (AND (NOT p1) (NOT p2))), p2, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), p2, p2, true]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-05
Stuttering criterion allowed to conclude after 185 steps with 5 reset in 5 ms.
FORMULA Szymanski-PT-b10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b10-LTLFireability-05 finished in 114882 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 U (G(!p0)||(!p0&&F((F(!p1)&&X(!p2)))))) U (G((!p0 U ((!p0&&F((F(!p1)&&X(!p2))))||G(!p0))))||(!p2&&(!p0 U ((!p0&&F((F(!p1)&&X(!p2))))||G(!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 215 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:17:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:17:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:17:46] [INFO ] Implicit Places using invariants in 429 ms returned []
[2025-06-06 05:17:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:17:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:17:47] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:18:13] [INFO ] Implicit Places using invariants and state equation in 27615 ms returned []
Implicit Place search using SMT with State Equation took 28056 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:18:14] [INFO ] Redundant transitions in 828 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:18:14] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:18:14] [INFO ] Invariant cache hit.
[2025-06-06 05:18:14] [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 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 81080ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 81091ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110214 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 203 ms :[p0, p0, (AND p0 p2), (AND p0 p1)]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-06
Product exploration explored 100000 steps with 36 reset in 642 ms.
Product exploration explored 100000 steps with 54 reset in 1209 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 (NOT p0)))), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (AND (NOT p2) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT (AND p2 p0)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT (AND p2 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 147 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 6 states, 17 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 257 ms :[p0, p0, (AND p0 p2), (AND p0 p1), false, false]
RANDOM walk for 40024 steps (9 resets) in 142 ms. (279 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (9 resets) in 70 ms. (563 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (14 resets) in 69 ms. (571 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (12 resets) in 66 ms. (597 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (12 resets) in 243 ms. (163 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (10 resets) in 79 ms. (500 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (11 resets) in 108 ms. (367 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (12 resets) in 74 ms. (533 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (10 resets) in 68 ms. (579 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (9 resets) in 71 ms. (555 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (11 resets) in 73 ms. (540 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (9 resets) in 66 ms. (597 steps per ms) remains 11/11 properties
Interrupted probabilistic random walk after 126995 steps, run timeout after 3001 ms. (steps per millisecond=42 ) properties seen :0 out of 11
Probabilistic random walk after 126995 steps, saw 100036 distinct states, run finished after 3001 ms. (steps per millisecond=42 ) properties seen :0
[2025-06-06 05:19:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:19:41] [INFO ] Invariant cache hit.
[2025-06-06 05:19:41] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem apf4 is UNSAT
Problem apf7 is UNSAT
Problem apf9 is UNSAT
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 3 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 3 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 3 solved, 8 unsolved in 3555 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 8/461 constraints. Problems are: Problem set: 3 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 461 constraints, problems are : Problem set: 3 solved, 8 unsolved in 5014 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 8/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8606ms problems are : Problem set: 3 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Iterating post reduction 0 with 124 rules applied. Total rules applied 124 place count 305 transition count 7812
Applied a total of 124 rules in 205 ms. Remains 305 /305 variables (removed 0) and now considering 7812/7936 (removed 124) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 205 ms. Remains : 305/305 places, 7812/7936 transitions.
RANDOM walk for 40018 steps (8 resets) in 154 ms. (258 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 116 ms. (341 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 112 ms. (354 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 149880 steps, run timeout after 3001 ms. (steps per millisecond=49 ) properties seen :0 out of 8
Probabilistic random walk after 149880 steps, saw 116815 distinct states, run finished after 3001 ms. (steps per millisecond=49 ) properties seen :0
[2025-06-06 05:19:53] [INFO ] Flow matrix only has 2608 transitions (discarded 5204 similar events)
// Phase 1: matrix 2608 rows 305 cols
[2025-06-06 05:19:53] [INFO ] Computed 1 invariants in 14 ms
[2025-06-06 05:19:53] [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, 8 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:19:54] [INFO ] Deduced a trap composed of 31 places in 572 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:19:55] [INFO ] Deduced a trap composed of 45 places in 556 ms of which 45 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 2608/2913 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2913 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2913 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/2913 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2913/2913 variables, and 455 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5334 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 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, 8 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:19:59] [INFO ] Deduced a trap composed of 59 places in 498 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:20:00] [INFO ] Deduced a trap composed of 59 places in 437 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:20:00] [INFO ] Deduced a trap composed of 58 places in 481 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:20:01] [INFO ] Deduced a trap composed of 72 places in 506 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:20:01] [INFO ] Deduced a trap composed of 81 places in 466 ms of which 14 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 2608/2913 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2913 variables, 147/460 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2913 variables, 8/468 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2913 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/2913 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2913/2913 variables, and 468 constraints, problems are : Problem set: 0 solved, 8 unsolved in 19287 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 24691ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 6 different solutions.
Parikh walk visited 3 properties in 3247 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7812/7812 transitions.
Applied a total of 0 rules in 225 ms. Remains 305 /305 variables (removed 0) and now considering 7812/7812 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 225 ms. Remains : 305/305 places, 7812/7812 transitions.
RANDOM walk for 40018 steps (8 resets) in 200 ms. (199 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 87 ms. (454 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 127179 steps, run timeout after 3001 ms. (steps per millisecond=42 ) properties seen :0 out of 5
Probabilistic random walk after 127179 steps, saw 98953 distinct states, run finished after 3001 ms. (steps per millisecond=42 ) properties seen :0
[2025-06-06 05:20:25] [INFO ] Flow matrix only has 2608 transitions (discarded 5204 similar events)
[2025-06-06 05:20:25] [INFO ] Invariant cache hit.
[2025-06-06 05:20:25] [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, 5 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 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 05:20:25] [INFO ] Deduced a trap composed of 31 places in 678 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:20:26] [INFO ] Deduced a trap composed of 81 places in 564 ms of which 24 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) 2608/2913 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2913 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2913 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/2913 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2913/2913 variables, and 455 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3127 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 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, 5 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 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
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) 2608/2913 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2913 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2913 variables, 5/460 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 05:20:31] [INFO ] Deduced a trap composed of 45 places in 474 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:20:32] [INFO ] Deduced a trap composed of 59 places in 434 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:20:32] [INFO ] Deduced a trap composed of 72 places in 431 ms of which 13 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2913 variables, 3/463 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2913 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 0/2913 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2913/2913 variables, and 463 constraints, problems are : Problem set: 0 solved, 5 unsolved in 6866 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10020ms problems are : Problem set: 0 solved, 5 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7812/7812 transitions.
Applied a total of 0 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7812/7812 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 191 ms. Remains : 305/305 places, 7812/7812 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7812/7812 transitions.
Applied a total of 0 rules in 201 ms. Remains 305 /305 variables (removed 0) and now considering 7812/7812 (removed 0) transitions.
[2025-06-06 05:20:35] [INFO ] Flow matrix only has 2608 transitions (discarded 5204 similar events)
[2025-06-06 05:20:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:20:36] [INFO ] Implicit Places using invariants in 411 ms returned []
[2025-06-06 05:20:36] [INFO ] Flow matrix only has 2608 transitions (discarded 5204 similar events)
[2025-06-06 05:20:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:20:36] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:21:04] [INFO ] Implicit Places using invariants and state equation in 28388 ms returned []
Implicit Place search using SMT with State Equation took 28804 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:21:05] [INFO ] Redundant transitions in 797 ms returned []
Running 7810 sub problems to find dead transitions.
[2025-06-06 05:21:05] [INFO ] Flow matrix only has 2608 transitions (discarded 5204 similar events)
[2025-06-06 05:21:05] [INFO ] Invariant cache hit.
[2025-06-06 05:21:05] [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, 7810 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2913 variables, and 1 constraints, problems are : Problem set: 0 solved, 7810 unsolved in 30106 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7810/7810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7810 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, 7810 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2913 variables, and 1 constraints, problems are : Problem set: 0 solved, 7810 unsolved in 30108 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 75086ms problems are : Problem set: 0 solved, 7810 unsolved
Search for dead transitions found 0 dead transitions in 75096ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104921 ms. Remains : 305/305 places, 7812/7812 transitions.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 (NOT p0)))), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (AND (NOT p2) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT (AND p2 p0)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT (AND p2 p1)))), (X (X (NOT p1))), (G (OR (NOT p0) (NOT p2))), (G (OR (NOT p0) (NOT p1))), (G (OR (NOT p2) (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F p0)]
Knowledge based reduction with 20 factoid took 251 ms. Reduced automaton from 6 states, 17 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[p0, p0]
Stuttering acceptance computed with spot in 88 ms :[p0, p0]
Support contains 4 out of 305 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 209 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:22:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 05:22:21] [INFO ] Computed 1 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:22:21] [INFO ] Implicit Places using invariants in 446 ms returned []
[2025-06-06 05:22:21] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:22:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:22:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:22:50] [INFO ] Implicit Places using invariants and state equation in 28720 ms returned []
Implicit Place search using SMT with State Equation took 29169 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:22:50] [INFO ] Redundant transitions in 814 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:22:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:22:51] [INFO ] Invariant cache hit.
[2025-06-06 05:22:51] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 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 73422ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73439ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 103655 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 116 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 85 ms :[p0, p0]
RANDOM walk for 40016 steps (11 resets) in 125 ms. (317 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (9 resets) in 64 ms. (615 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (13 resets) in 64 ms. (615 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (10 resets) in 56 ms. (701 steps per ms) remains 2/3 properties
[2025-06-06 05:24:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:24:04] [INFO ] Invariant cache hit.
[2025-06-06 05:24:04] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1362 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 455 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2689 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4073ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 230 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 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 193 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 194 ms. Remains : 305/305 places, 7811/7936 transitions.
RANDOM walk for 40021 steps (8 resets) in 174 ms. (228 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 159849 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :0 out of 2
Probabilistic random walk after 159849 steps, saw 125209 distinct states, run finished after 3002 ms. (steps per millisecond=53 ) properties seen :0
[2025-06-06 05:24:12] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
// Phase 1: matrix 2607 rows 305 cols
[2025-06-06 05:24:12] [INFO ] Computed 1 invariants in 21 ms
[2025-06-06 05:24:12] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:24:13] [INFO ] Deduced a trap composed of 31 places in 713 ms of which 35 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 2607/2912 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2912 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2912 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/2912 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2912/2912 variables, and 454 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2109 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 2607/2912 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2912 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2912 variables, 2/456 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:24:18] [INFO ] Deduced a trap composed of 45 places in 499 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:24:19] [INFO ] Deduced a trap composed of 42 places in 452 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 05:24:19] [INFO ] Deduced a trap composed of 72 places in 428 ms of which 14 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2912 variables, 3/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2912 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/2912 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2912/2912 variables, and 459 constraints, problems are : Problem set: 0 solved, 2 unsolved in 7508 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9664ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 4 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7811/7811 transitions.
Applied a total of 0 rules in 194 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 194 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 193 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7811 (removed 0) transitions.
[2025-06-06 05:24:22] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2025-06-06 05:24:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:24:22] [INFO ] Implicit Places using invariants in 433 ms returned []
[2025-06-06 05:24:22] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2025-06-06 05:24:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:24:23] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:24:53] [INFO ] Performed 299/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:24:55] [INFO ] Implicit Places using invariants and state equation in 32200 ms returned []
Implicit Place search using SMT with State Equation took 32639 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:24:55] [INFO ] Redundant transitions in 844 ms returned []
Running 7809 sub problems to find dead transitions.
[2025-06-06 05:24:55] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2025-06-06 05:24:55] [INFO ] Invariant cache hit.
[2025-06-06 05:24:56] [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$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7809 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2912 variables, and 1 constraints, problems are : Problem set: 0 solved, 7809 unsolved in 30137 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7809/7809 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7809 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7809 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$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 30100 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 76844ms problems are : Problem set: 0 solved, 7809 unsolved
Search for dead transitions found 0 dead transitions in 76858ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 110557 ms. Remains : 305/305 places, 7811/7811 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 7 factoid took 150 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 101 ms :[p0, p0]
Stuttering acceptance computed with spot in 98 ms :[p0, p0]
Stuttering acceptance computed with spot in 78 ms :[p0, p0]
Product exploration explored 100000 steps with 11 reset in 757 ms.
Product exploration explored 100000 steps with 14 reset in 519 ms.
Built C files in :
/tmp/ltsmin9079038012892922628
[2025-06-06 05:26:14] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:26:14] [INFO ] Built C files in 74ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9079038012892922628
Running compilation step : cd /tmp/ltsmin9079038012892922628;'/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/ltsmin9079038012892922628;'/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/ltsmin9079038012892922628;'/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$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 209 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:26:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-06 05:26:18] [INFO ] Computed 1 invariants in 24 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:26:18] [INFO ] Implicit Places using invariants in 434 ms returned []
[2025-06-06 05:26:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:26:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:26:20] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:26:50] [INFO ] Performed 284/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:26:57] [INFO ] Implicit Places using invariants and state equation in 39239 ms returned []
Implicit Place search using SMT with State Equation took 39694 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:26:58] [INFO ] Redundant transitions in 812 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:26:58] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:26:58] [INFO ] Invariant cache hit.
[2025-06-06 05:26:58] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$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 30100 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30108 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 74683ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74697ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 115443 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin14794316035905916531
[2025-06-06 05:28:13] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:28:13] [INFO ] Built C files in 64ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14794316035905916531
Running compilation step : cd /tmp/ltsmin14794316035905916531;'/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/ltsmin14794316035905916531;'/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/ltsmin14794316035905916531;'/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 05:28:16] [INFO ] Flatten gal took : 212 ms
[2025-06-06 05:28:17] [INFO ] Flatten gal took : 172 ms
[2025-06-06 05:28:17] [INFO ] Time to serialize gal into /tmp/LTL17379261251887577604.gal : 37 ms
[2025-06-06 05:28:17] [INFO ] Time to serialize properties into /tmp/LTL16048355600940525414.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17379261251887577604.gal' '-t' 'CGAL' '-hoa' '/tmp/aut8972832715943677177.hoa' '-atoms' '/tmp/LTL16048355600940525414.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/LTL16048355600940525414.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut8972832715943677177.hoa
Detected timeout of ITS tools.
[2025-06-06 05:28:32] [INFO ] Flatten gal took : 174 ms
[2025-06-06 05:28:32] [INFO ] Flatten gal took : 189 ms
[2025-06-06 05:28:32] [INFO ] Time to serialize gal into /tmp/LTL4092367864504173847.gal : 27 ms
[2025-06-06 05:28:32] [INFO ] Time to serialize properties into /tmp/LTL15329298006295466764.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4092367864504173847.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15329298006295466764.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...276
Read 1 LTL properties
Checking formula 0 : !((G(F(((!("((p60>=1)&&(l36>=1))"))U((G(!("((p60>=1)&&(l36>=1))")))||((!("((p60>=1)&&(l36>=1))"))&&(F((F(!("((p61>=1)&&(l26>=1))")))&&...557
Formula 0 simplified : G(F"((p60>=1)&&(l36>=1))" & FG("((p24>=1)&&(l27>=1))" | (G(G"((p61>=1)&&(l26>=1))" | X"((p24>=1)&&(l27>=1))") U "((p60>=1)&&(l36>=1)...160
Detected timeout of ITS tools.
[2025-06-06 05:28:47] [INFO ] Flatten gal took : 173 ms
[2025-06-06 05:28:47] [INFO ] Applying decomposition
[2025-06-06 05:28:48] [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/graph5636193566086685836.txt' '-o' '/tmp/graph5636193566086685836.bin' '-w' '/tmp/graph5636193566086685836.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5636193566086685836.bin' '-l' '-1' '-v' '-w' '/tmp/graph5636193566086685836.weights' '-q' '0' '-e' '0.001'
[2025-06-06 05:28:48] [INFO ] Decomposing Gal with order
[2025-06-06 05:28:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 05:28:48] [INFO ] Removed a total of 18062 redundant transitions.
[2025-06-06 05:28:48] [INFO ] Flatten gal took : 311 ms
[2025-06-06 05:28:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 1061 labels/synchronizations in 177 ms.
[2025-06-06 05:28:49] [INFO ] Time to serialize gal into /tmp/LTL12325718611838890050.gal : 20 ms
[2025-06-06 05:28:49] [INFO ] Time to serialize properties into /tmp/LTL1684639814753380689.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/LTL12325718611838890050.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1684639814753380689.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(F(((!("((i6.i0.u20.p60>=1)&&(i7.u57.l36>=1))"))U((G(!("((i6.i0.u20.p60>=1)&&(i7.u57.l36>=1))")))||((!("((i6.i0.u20.p60>=1)&&(i7.u...825
Formula 0 simplified : G(F"((i6.i0.u20.p60>=1)&&(i7.u57.l36>=1))" & FG("((i9.i0.u8.p24>=1)&&(i3.u54.l27>=1))" | (G(G"((i4.i0.u21.p61>=1)&&(i3.u54.l26>=1))"...243
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b10-LTLFireability-06 finished in 678718 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0))&&(G(p1)||F(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 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:29:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:29:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:29:04] [INFO ] Implicit Places using invariants in 407 ms returned []
[2025-06-06 05:29:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:29:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:29:06] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:29:36] [INFO ] Performed 284/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:29:41] [INFO ] Implicit Places using invariants and state equation in 36592 ms returned []
Implicit Place search using SMT with State Equation took 37000 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:29:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:29:41] [INFO ] Invariant cache hit.
[2025-06-06 05:29:41] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30093 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78429ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 78439ms
Finished structural reductions in LTL mode , in 1 iterations and 115483 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p0), true]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-b10-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b10-LTLFireability-09 finished in 115683 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 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 195 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:31:00] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:31:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:31:00] [INFO ] Implicit Places using invariants in 434 ms returned []
[2025-06-06 05:31:00] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:31:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:31:01] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:31:32] [INFO ] Performed 304/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:31:32] [INFO ] Implicit Places using invariants and state equation in 31710 ms returned []
Implicit Place search using SMT with State Equation took 32160 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:31:33] [INFO ] Redundant transitions in 813 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:31:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:31:33] [INFO ] Invariant cache hit.
[2025-06-06 05:31:33] [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
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(s226 timeout
1) 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 30124 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 78251ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 78261ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 111460 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-10
Stuttering criterion allowed to conclude after 614 steps with 0 reset in 7 ms.
FORMULA Szymanski-PT-b10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b10-LTLFireability-10 finished in 111617 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(X(X(p0))) U p1))'
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 30 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:32:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:32:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:32:51] [INFO ] Implicit Places using invariants in 433 ms returned []
[2025-06-06 05:32:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:32:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:32:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:33:23] [INFO ] Performed 298/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:33:27] [INFO ] Implicit Places using invariants and state equation in 35493 ms returned []
Implicit Place search using SMT with State Equation took 35929 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:33:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:33:27] [INFO ] Invariant cache hit.
[2025-06-06 05:33:27] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30127 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 78127ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 78145ms
Finished structural reductions in LTL mode , in 1 iterations and 114136 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 124 ms :[(NOT p1), (NOT p0), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-11
Stuttering criterion allowed to conclude after 254 steps with 0 reset in 4 ms.
FORMULA Szymanski-PT-b10-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b10-LTLFireability-11 finished in 114293 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((F(G(p0)) U (G(p1)&&X(G(!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 30 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:34:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:34:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:34:46] [INFO ] Implicit Places using invariants in 430 ms returned []
[2025-06-06 05:34:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:34:47] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:35:18] [INFO ] Performed 302/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:35:18] [INFO ] Implicit Places using invariants and state equation in 32156 ms returned []
Implicit Place search using SMT with State Equation took 32602 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:35:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:35:18] [INFO ] Invariant cache hit.
[2025-06-06 05:35:18] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 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 80067ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 80079ms
Finished structural reductions in LTL mode , in 1 iterations and 112724 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 296 ms :[(OR (NOT p1) p2), (OR (NOT p1) p2), (OR (NOT p1) p2), (NOT p0), (NOT p1), p2]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-13
Stuttering criterion allowed to conclude after 642 steps with 0 reset in 9 ms.
FORMULA Szymanski-PT-b10-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b10-LTLFireability-13 finished in 113063 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 202 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:36:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:36:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:36:39] [INFO ] Implicit Places using invariants in 431 ms returned []
[2025-06-06 05:36:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:36:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:36:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:37:10] [INFO ] Implicit Places using invariants and state equation in 30881 ms returned []
Implicit Place search using SMT with State Equation took 31315 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:37:11] [INFO ] Redundant transitions in 803 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:37:11] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:37:11] [INFO ] Invariant cache hit.
[2025-06-06 05:37:11] [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 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
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 30108 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 74712ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74724ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 107068 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 135 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-14
Product exploration explored 100000 steps with 94 reset in 589 ms.
Product exploration explored 100000 steps with 12 reset in 653 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 96 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 39 ms :[(NOT p0)]
RANDOM walk for 40014 steps (13 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 39544 steps (10 resets) in 82 ms. (476 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 83 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 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 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 194 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:38:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:38:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:38:28] [INFO ] Implicit Places using invariants in 425 ms returned []
[2025-06-06 05:38:28] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:38:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:38:29] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:39:00] [INFO ] Performed 304/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:39:00] [INFO ] Implicit Places using invariants and state equation in 31640 ms returned []
Implicit Place search using SMT with State Equation took 32069 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:39:00] [INFO ] Redundant transitions in 820 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:39:00] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:39:00] [INFO ] Invariant cache hit.
[2025-06-06 05:39:00] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30099 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30108 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 73883ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73893ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 106997 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 102 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 47 ms :[(NOT p0)]
RANDOM walk for 40021 steps (10 resets) in 221 ms. (180 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (9 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 242860 steps, run timeout after 3001 ms. (steps per millisecond=80 ) properties seen :0 out of 1
Probabilistic random walk after 242860 steps, saw 192474 distinct states, run finished after 3001 ms. (steps per millisecond=80 ) properties seen :0
[2025-06-06 05:40:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:40:18] [INFO ] Invariant cache hit.
[2025-06-06 05:40:18] [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 1177 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1524 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2722ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 152 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 259 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 261 ms. Remains : 305/305 places, 7808/7936 transitions.
RANDOM walk for 40021 steps (8 resets) in 139 ms. (285 steps per ms) remains 1/1 properties
BEST_FIRST walk for 37655 steps (8 resets) in 54 ms. (684 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 100 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)]
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Product exploration explored 100000 steps with 53 reset in 572 ms.
Product exploration explored 100000 steps with 58 reset in 555 ms.
Built C files in :
/tmp/ltsmin8341215105755025234
[2025-06-06 05:40:22] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:40:22] [INFO ] Built C files in 52ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8341215105755025234
Running compilation step : cd /tmp/ltsmin8341215105755025234;'/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/ltsmin8341215105755025234;'/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/ltsmin8341215105755025234;'/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 262 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:40:25] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:40:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:40:26] [INFO ] Implicit Places using invariants in 427 ms returned []
[2025-06-06 05:40:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:40:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:40:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:40:58] [INFO ] Performed 302/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 05:40:58] [INFO ] Implicit Places using invariants and state equation in 32572 ms returned []
Implicit Place search using SMT with State Equation took 33001 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:40:59] [INFO ] Redundant transitions in 870 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:40:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:40:59] [INFO ] Invariant cache hit.
[2025-06-06 05:40:59] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30110 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 86424ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 86434ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 120594 ms. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin6394116855332044308
[2025-06-06 05:42:26] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:42:26] [INFO ] Built C files in 72ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6394116855332044308
Running compilation step : cd /tmp/ltsmin6394116855332044308;'/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/ltsmin6394116855332044308;'/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/ltsmin6394116855332044308;'/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 05:42:29] [INFO ] Flatten gal took : 199 ms
[2025-06-06 05:42:29] [INFO ] Flatten gal took : 206 ms
[2025-06-06 05:42:29] [INFO ] Time to serialize gal into /tmp/LTL9298887687614433098.gal : 31 ms
[2025-06-06 05:42:29] [INFO ] Time to serialize properties into /tmp/LTL10805727427159157065.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9298887687614433098.gal' '-t' 'CGAL' '-hoa' '/tmp/aut13204619438826218305.hoa' '-atoms' '/tmp/LTL10805727427159157065.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/LTL10805727427159157065.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut13204619438826218305.hoa
Detected timeout of ITS tools.
[2025-06-06 05:42:45] [INFO ] Flatten gal took : 164 ms
[2025-06-06 05:42:45] [INFO ] Flatten gal took : 169 ms
[2025-06-06 05:42:45] [INFO ] Time to serialize gal into /tmp/LTL4725734085289244395.gal : 24 ms
[2025-06-06 05:42:45] [INFO ] Time to serialize properties into /tmp/LTL14799251897111276323.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/LTL4725734085289244395.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14799251897111276323.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...276
Read 1 LTL properties
Checking formula 0 : !((F(G("((p110<1)||(l35<1))"))))
Formula 0 simplified : GF!"((p110<1)||(l35<1))"
Detected timeout of ITS tools.
[2025-06-06 05:43:00] [INFO ] Flatten gal took : 168 ms
[2025-06-06 05:43:00] [INFO ] Applying decomposition
[2025-06-06 05:43:00] [INFO ] Flatten gal took : 184 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/graph7091553129676853298.txt' '-o' '/tmp/graph7091553129676853298.bin' '-w' '/tmp/graph7091553129676853298.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7091553129676853298.bin' '-l' '-1' '-v' '-w' '/tmp/graph7091553129676853298.weights' '-q' '0' '-e' '0.001'
[2025-06-06 05:43:01] [INFO ] Decomposing Gal with order
[2025-06-06 05:43:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 05:43:01] [INFO ] Removed a total of 17839 redundant transitions.
[2025-06-06 05:43:01] [INFO ] Flatten gal took : 380 ms
[2025-06-06 05:43:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 1075 labels/synchronizations in 170 ms.
[2025-06-06 05:43:02] [INFO ] Time to serialize gal into /tmp/LTL7084096224029340261.gal : 18 ms
[2025-06-06 05:43:02] [INFO ] Time to serialize properties into /tmp/LTL8161216892452324716.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/LTL7084096224029340261.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8161216892452324716.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("((i6.u37.p110<1)||(i7.u56.l35<1))"))))
Formula 0 simplified : GF!"((i6.u37.p110<1)||(i7.u56.l35<1))"
Detected timeout of ITS tools.
Treatment of property Szymanski-PT-b10-LTLFireability-14 finished in 398252 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(G(!p1))))'
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 27 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:43:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:43:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:43:17] [INFO ] Implicit Places using invariants in 424 ms returned []
[2025-06-06 05:43:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:43:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:43:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:43:43] [INFO ] Implicit Places using invariants and state equation in 26094 ms returned []
Implicit Place search using SMT with State Equation took 26544 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:43:43] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:43:43] [INFO ] Invariant cache hit.
[2025-06-06 05:43:43] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 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 30112 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30097 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74759ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74771ms
Finished structural reductions in LTL mode , in 1 iterations and 101352 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 110 ms :[p1, p1, true]
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-15
Entered a terminal (fully accepting) state of product in 431 steps with 0 reset in 6 ms.
FORMULA Szymanski-PT-b10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b10-LTLFireability-15 finished in 101512 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((F(G(!p0)) U G(p1)))))'
Found a Lengthening insensitive property : Szymanski-PT-b10-LTLFireability-01
Stuttering acceptance computed with spot in 183 ms :[(NOT p1), (NOT p1), (NOT p1), p0]
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 55 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:44:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:44:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:44:59] [INFO ] Implicit Places using invariants in 405 ms returned []
[2025-06-06 05:44:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:44:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:45:01] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:45:26] [INFO ] Implicit Places using invariants and state equation in 27359 ms returned []
Implicit Place search using SMT with State Equation took 27776 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:45:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:45:26] [INFO ] Invariant cache hit.
[2025-06-06 05:45:26] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 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 74410ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74422ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 102268 ms. Remains : 305/305 places, 7936/7936 transitions.
Running random walk in product with property : Szymanski-PT-b10-LTLFireability-01
Product exploration explored 100000 steps with 9 reset in 455 ms.
Product exploration explored 100000 steps with 73 reset in 530 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(NOT p1), p0]
RANDOM walk for 40022 steps (15 resets) in 194 ms. (205 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (9 resets) in 75 ms. (526 steps per ms) remains 1/2 properties
BEST_FIRST walk for 33985 steps (10 resets) in 48 ms. (693 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 2 factoid took 93 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), p0]
Stuttering acceptance computed with spot in 83 ms :[(NOT p1), p0]
[2025-06-06 05:46:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:46:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 05:46:45] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-06 05:46:45] [INFO ] [Real]Absence check using state equation in 564 ms returned sat
[2025-06-06 05:46:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 05:46:48] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 05:46:49] [INFO ] [Nat]Absence check using state equation in 660 ms returned sat
[2025-06-06 05:46:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:46:50] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 05:46:50] [INFO ] [Nat]Added 147 Read/Feed constraints in 1566 ms returned sat
[2025-06-06 05:46:51] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2721 transitions) in 476 ms.
[2025-06-06 05:46:51] [INFO ] Added : 1 causal constraints over 1 iterations in 747 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 203 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:46:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:46:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:46:52] [INFO ] Implicit Places using invariants in 414 ms returned []
[2025-06-06 05:46:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:46:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:46:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:47:19] [INFO ] Implicit Places using invariants and state equation in 27367 ms returned []
Implicit Place search using SMT with State Equation took 27788 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:47:20] [INFO ] Redundant transitions in 822 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:47:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:47:20] [INFO ] Invariant cache hit.
[2025-06-06 05:47:20] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30100 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 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 74305ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 74316ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 103158 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 104 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(NOT p1), p0]
RANDOM walk for 40016 steps (13 resets) in 251 ms. (158 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (10 resets) in 65 ms. (606 steps per ms) remains 1/2 properties
BEST_FIRST walk for 23768 steps (6 resets) in 38 ms. (609 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 5 factoid took 139 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), p0]
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), p0]
[2025-06-06 05:48:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:48:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 05:48:37] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 05:48:38] [INFO ] [Real]Absence check using state equation in 559 ms returned sat
[2025-06-06 05:48:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 05:48:40] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 05:48:41] [INFO ] [Nat]Absence check using state equation in 647 ms returned sat
[2025-06-06 05:48:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:48:43] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 05:48:43] [INFO ] [Nat]Added 147 Read/Feed constraints in 1769 ms returned sat
[2025-06-06 05:48:44] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2721 transitions) in 952 ms.
[2025-06-06 05:48:44] [INFO ] Added : 0 causal constraints over 0 iterations in 1138 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 86 ms :[(NOT p1), p0]
Product exploration explored 100000 steps with 31 reset in 478 ms.
Product exploration explored 100000 steps with 44 reset in 490 ms.
Built C files in :
/tmp/ltsmin7059645850968516283
[2025-06-06 05:48:45] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2025-06-06 05:48:45] [INFO ] Built C files in 50ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7059645850968516283
Running compilation step : cd /tmp/ltsmin7059645850968516283;'/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/ltsmin7059645850968516283;'/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/ltsmin7059645850968516283;'/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 201 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-06 05:48:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:48:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:48:49] [INFO ] Implicit Places using invariants in 415 ms returned []
[2025-06-06 05:48:49] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:48:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 05:48:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 05:49:16] [INFO ] Implicit Places using invariants and state equation in 27586 ms returned []
Implicit Place search using SMT with State Equation took 28005 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 05:49:17] [INFO ] Redundant transitions in 820 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-06 05:49:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-06 05:49:17] [INFO ] Invariant cache hit.
[2025-06-06 05:49:17] [INFO ] State equation strengthened by 147 read => feed constraints.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Szymanski-PT-b10"
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-b10, 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-174915589300164"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b10.tgz
mv Szymanski-PT-b10 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 ;