About the Execution of ITS-Tools for CopsAndRobbers-PT-CRL025X003
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1564288.00 | 0.00 | 0.00 | FTFTFFTFFFFTFFFT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339400196.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 CopsAndRobbers-PT-CRL025X003, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339400196
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 9.0K Jun 6 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Jun 6 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Jun 6 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Jun 6 08:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Jun 6 13:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 13:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Jun 6 13:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 13:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 16K Jun 6 08:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Jun 6 08:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Jun 6 08:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Jun 6 08:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Jun 6 13:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Jun 6 13:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 11 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 137K Jun 5 20:08 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 CopsAndRobbers-PT-CRL025X003-LTLFireability-00
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-01
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-02
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-03
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-04
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-05
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-06
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-07
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-08
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-09
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-10
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-11
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-12
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-13
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-14
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749340609183
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-CRL025X003
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 23:56:50] [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]
[2025-06-07 23:56:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 23:56:50] [INFO ] Load time of PNML (sax parser for PT used): 67 ms
[2025-06-07 23:56:50] [INFO ] Transformed 135 places.
[2025-06-07 23:56:50] [INFO ] Transformed 179 transitions.
[2025-06-07 23:56:50] [INFO ] Parsed PT model containing 135 places and 179 transitions and 834 arcs in 150 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 43 out of 135 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 135/135 places, 179/179 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 110 transition count 179
Applied a total of 25 rules in 17 ms. Remains 110 /135 variables (removed 25) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
// Phase 1: matrix 179 rows 110 cols
[2025-06-07 23:56:50] [INFO ] Computed 28 invariants in 10 ms
[2025-06-07 23:56:50] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40188ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40205ms
[2025-06-07 23:57:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:57:30] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-07 23:57:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:57:31] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-07 23:57:31] [INFO ] Implicit Places using invariants and state equation in 774 ms returned []
Implicit Place search using SMT with State Equation took 858 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-07 23:57:31] [INFO ] Invariant cache hit.
[2025-06-07 23:57:31] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23360 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53424ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53427ms
Starting structural reductions in LTL mode, iteration 1 : 110/135 places, 179/179 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 94555 ms. Remains : 110/135 places, 179/179 transitions.
Support contains 43 out of 110 places after structural reductions.
[2025-06-07 23:58:25] [INFO ] Flatten gal took : 36 ms
[2025-06-07 23:58:25] [INFO ] Flatten gal took : 16 ms
[2025-06-07 23:58:25] [INFO ] Input system was already deterministic with 179 transitions.
Reduction of identical properties reduced properties to check from 31 to 28
RANDOM walk for 40003 steps (9 resets) in 1061 ms. (37 steps per ms) remains 10/28 properties
BEST_FIRST walk for 40004 steps (256 resets) in 112 ms. (354 steps per ms) remains 9/10 properties
BEST_FIRST walk for 40001 steps (8 resets) in 372 ms. (107 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (10 resets) in 251 ms. (158 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40004 steps (256 resets) in 86 ms. (459 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40003 steps (255 resets) in 97 ms. (408 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40004 steps (255 resets) in 128 ms. (310 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (256 resets) in 85 ms. (465 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40003 steps (255 resets) in 74 ms. (533 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 236 ms. (168 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (12 resets) in 142 ms. (279 steps per ms) remains 2/3 properties
[2025-06-07 23:58:26] [INFO ] Invariant cache hit.
[2025-06-07 23:58:26] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp26 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 32/39 variables, 5/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 21/60 variables, 21/27 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/61 variables, 1/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/61 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 130/191 variables, 61/89 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/191 variables, 1/90 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 0/90 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 98/289 variables, 49/139 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 49/188 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 1 solved, 1 unsolved in 234 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 26/28 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 24/52 variables, 24/26 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/59 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/61 variables, 1/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/61 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 130/191 variables, 61/89 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 1/90 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/191 variables, 0/90 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 98/289 variables, 49/139 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/289 variables, 49/188 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/289 variables, 1/189 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/289 variables, 0/189 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/289 variables, 0/189 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 289/289 variables, and 189 constraints, problems are : Problem set: 1 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 401ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 6 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=6 )
Parikh walk visited 1 properties in 9 ms.
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 51 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(F((p0||(F(p1)&&X(p2)&&F(p3))))))'
Support contains 8 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 3 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
[2025-06-07 23:58:27] [INFO ] Invariant cache hit.
[2025-06-07 23:58:27] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40057ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40058ms
[2025-06-07 23:59:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:59:07] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-07 23:59:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:59:07] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-07 23:59:09] [INFO ] Implicit Places using invariants and state equation in 1784 ms returned []
Implicit Place search using SMT with State Equation took 1859 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-07 23:59:09] [INFO ] Invariant cache hit.
[2025-06-07 23:59:09] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23383 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53426ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53428ms
Finished structural reductions in LTL mode , in 1 iterations and 95350 ms. Remains : 110/110 places, 179/179 transitions.
Stuttering acceptance computed with spot in 320 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-00
Stuttering criterion allowed to conclude after 83 steps with 5 reset in 4 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-00 finished in 95741 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((X(p1)||(p2 U (p3||G(p2)))))||p0))))'
Support contains 8 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 6 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:00:02] [INFO ] Invariant cache hit.
[2025-06-08 00:00:02] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40050ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40050ms
[2025-06-08 00:00:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:00:43] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-08 00:00:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:00:43] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:00:44] [INFO ] Implicit Places using invariants and state equation in 1676 ms returned []
Implicit Place search using SMT with State Equation took 1757 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:00:44] [INFO ] Invariant cache hit.
[2025-06-08 00:00:44] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23449 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53496ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53497ms
Finished structural reductions in LTL mode , in 1 iterations and 95320 ms. Remains : 110/110 places, 179/179 transitions.
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p0) (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-01
Product exploration explored 100000 steps with 33333 reset in 294 ms.
Product exploration explored 100000 steps with 33333 reset in 251 ms.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge obtained : [(AND p0 p3 p2 p1), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p3)))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 14 ms. Reduced automaton from 4 states, 5 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-01 finished in 96067 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(((p1 U (G(p2) U p3))&&p0))))'
Support contains 7 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 110 transition count 178
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 178
Applied a total of 2 rules in 27 ms. Remains 109 /110 variables (removed 1) and now considering 178/179 (removed 1) transitions.
Running 128 sub problems to find dead transitions.
// Phase 1: matrix 178 rows 109 cols
[2025-06-08 00:01:39] [INFO ] Computed 28 invariants in 3 ms
[2025-06-08 00:01:39] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 8 (OVERLAPS) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 187 constraints, problems are : Problem set: 0 solved, 128 unsolved in 19224 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 128/315 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 287/287 variables, and 315 constraints, problems are : Problem set: 0 solved, 128 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39269ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 39269ms
[2025-06-08 00:02:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:02:18] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-08 00:02:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:02:18] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:02:19] [INFO ] Implicit Places using invariants and state equation in 1254 ms returned []
Implicit Place search using SMT with State Equation took 1335 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:02:19] [INFO ] Redundant transitions in 11 ms returned []
Running 128 sub problems to find dead transitions.
[2025-06-08 00:02:19] [INFO ] Invariant cache hit.
[2025-06-08 00:02:19] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 8 (OVERLAPS) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 187 constraints, problems are : Problem set: 0 solved, 128 unsolved in 18861 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 128/315 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 287/287 variables, and 315 constraints, problems are : Problem set: 0 solved, 128 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48905ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 48905ms
Starting structural reductions in SI_LTL mode, iteration 1 : 109/110 places, 178/179 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89554 ms. Remains : 109/110 places, 178/179 transitions.
Stuttering acceptance computed with spot in 235 ms :[(OR (NOT p3) (NOT p0)), (NOT p3), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p2))), (NOT p3), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-02
Product exploration explored 100000 steps with 0 reset in 342 ms.
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-02 finished in 90150 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(((G(!p0) U (p1 U p2))||G((p0 U p3)))))))'
Support contains 9 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 3 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
// Phase 1: matrix 179 rows 110 cols
[2025-06-08 00:03:09] [INFO ] Computed 28 invariants in 6 ms
[2025-06-08 00:03:09] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20008 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40048ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40048ms
[2025-06-08 00:03:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:03:49] [INFO ] Implicit Places using invariants in 80 ms returned []
[2025-06-08 00:03:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:03:49] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:03:50] [INFO ] Implicit Places using invariants and state equation in 1076 ms returned []
Implicit Place search using SMT with State Equation took 1158 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:03:50] [INFO ] Invariant cache hit.
[2025-06-08 00:03:50] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23294 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53332ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53333ms
Finished structural reductions in LTL mode , in 1 iterations and 94544 ms. Remains : 110/110 places, 179/179 transitions.
Stuttering acceptance computed with spot in 488 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), p0, (NOT p2), (NOT p3), (NOT p3), (OR (AND p0 p2 (NOT p3)) (AND p0 p1 (NOT p3))), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), true, (NOT p2)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 156 ms.
Product exploration explored 100000 steps with 0 reset in 274 ms.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) p0 (NOT p3)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) p3)))), (X (X (NOT (AND (NOT p2) p1 p0 (NOT p3))))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p2) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p3))))), (X (X (AND (NOT p2) (NOT p1) p0))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (AND (NOT p2) (NOT p1) p0 (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0 (NOT p3))))), (X (X (OR p2 p1 (NOT p0)))), (X (X (NOT (OR p2 p1 (NOT p0))))), (X (X (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 7 factoid took 447 ms. Reduced automaton from 12 states, 36 edges and 4 AP (stutter sensitive) to 12 states, 36 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 466 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), p0, (NOT p2), (NOT p3), (NOT p3), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), true, (NOT p2)]
Reduction of identical properties reduced properties to check from 25 to 23
RANDOM walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 6/23 properties
BEST_FIRST walk for 40002 steps (10 resets) in 238 ms. (167 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (10 resets) in 144 ms. (275 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (11 resets) in 240 ms. (165 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (13 resets) in 178 ms. (223 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 169 ms. (235 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (9 resets) in 149 ms. (266 steps per ms) remains 6/6 properties
[2025-06-08 00:04:46] [INFO ] Invariant cache hit.
[2025-06-08 00:04:46] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 31/40 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 22/62 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf6 is UNSAT
Problem apf8 is UNSAT
Problem apf9 is UNSAT
Problem apf19 is UNSAT
At refinement iteration 5 (OVERLAPS) 1/63 variables, 1/28 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/28 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 132/195 variables, 63/91 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 3/94 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 0/94 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 94/289 variables, 47/141 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 47/188 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 4 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 4 solved, 2 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 31/40 variables, 5/5 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/5 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 22/62 variables, 22/27 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/27 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1/63 variables, 1/28 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/28 constraints. Problems are: Problem set: 4 solved, 2 unsolved
Problem apf21 is UNSAT
Problem apf22 is UNSAT
After SMT solving in domain Int declared 195/289 variables, and 91 constraints, problems are : Problem set: 6 solved, 0 unsolved in 632 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 63/110 constraints, ReadFeed: 0/50 constraints, PredecessorRefiner: 0/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 762ms problems are : Problem set: 6 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 6 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p1) p0 (NOT p3)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) p3)))), (X (X (NOT (AND (NOT p2) p1 p0 (NOT p3))))), (X (X (NOT p1))), (G (OR (NOT p0) (NOT p1) p2 p3)), (G (OR p0 (NOT p1) p2 (NOT p3))), (G (AND (OR p0 (NOT p1) (NOT p3)) (OR p0 (NOT p2) (NOT p3)))), (G (OR (NOT p0) (NOT p1) p2)), (G (AND (OR (NOT p0) (NOT p1)) (OR (NOT p0) (NOT p2)))), (G (AND (OR (NOT p0) (NOT p1) p3) (OR (NOT p0) (NOT p2) p3)))]
False Knowledge obtained : [(X (X (AND (NOT p2) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p3))))), (X (X (AND (NOT p2) (NOT p1) p0))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (AND (NOT p2) (NOT p1) p0 (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0 (NOT p3))))), (X (X (OR p2 p1 (NOT p0)))), (X (X (NOT (OR p2 p1 (NOT p0))))), (X (X (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR p0 p3))), (F p1), (F (NOT p0)), (F (NOT (AND p0 (NOT p1) (NOT p2)))), (F p2), (F (NOT (OR (NOT p1) p2))), (F p3), (F (NOT (AND p0 (NOT p3)))), (F (NOT (OR p0 p3))), (F (NOT (OR p0 p2))), (F (NOT (OR p0 p1 p2 (NOT p3)))), (F (NOT (AND p0 (NOT p1) (NOT p2) (NOT p3)))), (F (NOT (OR p0 (NOT p1) p2 p3))), (F (NOT (AND (OR p0 (NOT p1) p3) (OR p0 (NOT p2) p3)))), (F (NOT (OR p0 p1 p2))), (F (NOT (AND p0 (NOT p1) (NOT p2)))), (F (NOT (OR p0 p2 p3))), (F (NOT (OR p0 p1 p2 p3)))]
Knowledge based reduction with 13 factoid took 1222 ms. Reduced automaton from 12 states, 36 edges and 4 AP (stutter sensitive) to 9 states, 20 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 393 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), p0, (OR (NOT p2) p0), (NOT p3), (NOT p3), (OR (AND p0 p1) (AND p0 p2)), true]
Stuttering acceptance computed with spot in 351 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), p0, (OR (NOT p2) p0), (NOT p3), (NOT p3), (OR (AND p0 p1) (AND p0 p2)), true]
[2025-06-08 00:04:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:04:48] [INFO ] [Real]Absence check using 27 positive place invariants in 9 ms returned sat
[2025-06-08 00:04:48] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-08 00:04:49] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2025-06-08 00:04:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:04:49] [INFO ] [Nat]Absence check using 27 positive place invariants in 6 ms returned sat
[2025-06-08 00:04:49] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:04:49] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2025-06-08 00:04:49] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:04:49] [INFO ] [Nat]Added 50 Read/Feed constraints in 16 ms returned sat
[2025-06-08 00:04:49] [INFO ] Computed and/alt/rep : 125/400/125 causal constraints (skipped 4 transitions) in 9 ms.
[2025-06-08 00:04:49] [INFO ] Added : 16 causal constraints over 4 iterations in 187 ms. Result :sat
Could not prove EG (AND (NOT p2) (NOT p3))
[2025-06-08 00:04:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:04:49] [INFO ] [Real]Absence check using 27 positive place invariants in 4 ms returned sat
[2025-06-08 00:04:49] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:04:49] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-06-08 00:04:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:04:49] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2025-06-08 00:04:49] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:04:49] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2025-06-08 00:04:49] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:04:49] [INFO ] [Nat]Added 50 Read/Feed constraints in 19 ms returned sat
[2025-06-08 00:04:49] [INFO ] Computed and/alt/rep : 125/400/125 causal constraints (skipped 4 transitions) in 10 ms.
[2025-06-08 00:04:49] [INFO ] Added : 0 causal constraints over 0 iterations in 80 ms. Result :sat
Could not prove EG (AND p0 (NOT p3))
Support contains 9 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 6 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:04:50] [INFO ] Invariant cache hit.
[2025-06-08 00:04:50] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40053ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40053ms
[2025-06-08 00:05:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:05:30] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-08 00:05:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:05:30] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:05:31] [INFO ] Implicit Places using invariants and state equation in 1061 ms returned []
Implicit Place search using SMT with State Equation took 1130 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:05:31] [INFO ] Invariant cache hit.
[2025-06-08 00:05:31] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23491 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53532ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53533ms
Finished structural reductions in LTL mode , in 1 iterations and 94724 ms. Remains : 110/110 places, 179/179 transitions.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2) (NOT p3)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) p3)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p3)))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (AND (NOT p0) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))))]
Knowledge based reduction with 5 factoid took 340 ms. Reduced automaton from 9 states, 20 edges and 4 AP (stutter sensitive) to 9 states, 20 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 355 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), p0, (OR (NOT p2) p0), (NOT p3), (NOT p3), (OR (AND p0 p1) (AND p0 p2)), true]
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 1106 steps (1 resets) in 9 ms. (110 steps per ms) remains 0/12 properties
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2) (NOT p3)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) p3)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p3)))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (AND (NOT p0) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3))))), (F (NOT (AND p0 (NOT p3)))), (F (NOT (OR p0 p3 p1 p2))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR p0 (NOT p3)))), (F (NOT (OR p0 p3))), (F (NOT (OR p0 p3))), (F p1), (F (NOT (OR p0 p1 p2))), (F p2), (F (NOT (OR p0 p2))), (F p3), (F (NOT (OR p0 p3 p2))), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 684 ms. Reduced automaton from 9 states, 20 edges and 4 AP (stutter sensitive) to 9 states, 20 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 311 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), p0, (OR (NOT p2) p0), (NOT p3), (NOT p3), (OR (AND p0 p1) (AND p0 p2)), true]
Stuttering acceptance computed with spot in 368 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), p0, (OR (NOT p2) p0), (NOT p3), (NOT p3), (OR (AND p0 p1) (AND p0 p2)), true]
[2025-06-08 00:06:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:06:26] [INFO ] [Real]Absence check using 27 positive place invariants in 8 ms returned sat
[2025-06-08 00:06:26] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-08 00:06:26] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2025-06-08 00:06:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:06:27] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2025-06-08 00:06:27] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:06:27] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2025-06-08 00:06:27] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:06:27] [INFO ] [Nat]Added 50 Read/Feed constraints in 16 ms returned sat
[2025-06-08 00:06:27] [INFO ] Computed and/alt/rep : 125/400/125 causal constraints (skipped 4 transitions) in 10 ms.
[2025-06-08 00:06:27] [INFO ] Added : 16 causal constraints over 4 iterations in 194 ms. Result :sat
Could not prove EG (AND (NOT p2) (NOT p3))
[2025-06-08 00:06:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:06:27] [INFO ] [Real]Absence check using 27 positive place invariants in 4 ms returned sat
[2025-06-08 00:06:27] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:06:27] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-06-08 00:06:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:06:27] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2025-06-08 00:06:27] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-08 00:06:27] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2025-06-08 00:06:27] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:06:27] [INFO ] [Nat]Added 50 Read/Feed constraints in 23 ms returned sat
[2025-06-08 00:06:27] [INFO ] Computed and/alt/rep : 125/400/125 causal constraints (skipped 4 transitions) in 10 ms.
[2025-06-08 00:06:27] [INFO ] Added : 0 causal constraints over 0 iterations in 73 ms. Result :sat
Could not prove EG (AND p0 (NOT p3))
Stuttering acceptance computed with spot in 311 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), p0, (OR (NOT p2) p0), (NOT p3), (NOT p3), (OR (AND p0 p1) (AND p0 p2)), true]
Product exploration explored 100000 steps with 0 reset in 193 ms.
Product exploration explored 100000 steps with 0 reset in 171 ms.
Applying partial POR strategy [false, false, false, true, true, true, true, false, true]
Stuttering acceptance computed with spot in 341 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))), p0, (OR (NOT p2) p0), (NOT p3), (NOT p3), (OR (AND p0 p1) (AND p0 p2)), true]
Support contains 9 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 12 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:06:29] [INFO ] Invariant cache hit.
[2025-06-08 00:06:29] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40044ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40045ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:07:09] [INFO ] Redundant transitions in 7 ms returned []
Running 129 sub problems to find dead transitions.
[2025-06-08 00:07:09] [INFO ] Invariant cache hit.
[2025-06-08 00:07:09] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23408 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53445ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53445ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 93525 ms. Remains : 110/110 places, 179/179 transitions.
Built C files in :
/tmp/ltsmin18214666091424245472
[2025-06-08 00:08:02] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18214666091424245472
Running compilation step : cd /tmp/ltsmin18214666091424245472;'/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'
Compilation finished in 389 ms.
Running link step : cd /tmp/ltsmin18214666091424245472;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin18214666091424245472;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased6695310633512286425.hoa' '--buchi-type=spotba'
LTSmin run took 156 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-04 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-04 finished in 294153 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X((X(G(!p1))||p0))))&&(p2 U p3)))'
Support contains 6 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 6 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:08:03] [INFO ] Invariant cache hit.
[2025-06-08 00:08:03] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40058ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40058ms
[2025-06-08 00:08:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:08:43] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-08 00:08:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:08:43] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:08:45] [INFO ] Implicit Places using invariants and state equation in 1999 ms returned []
Implicit Place search using SMT with State Equation took 2073 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:08:45] [INFO ] Invariant cache hit.
[2025-06-08 00:08:45] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23105 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53152ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53153ms
Finished structural reductions in LTL mode , in 1 iterations and 95292 ms. Remains : 110/110 places, 179/179 transitions.
Stuttering acceptance computed with spot in 223 ms :[(OR (NOT p3) (AND (NOT p0) p1)), true, (AND (NOT p0) p1), (NOT p3), (AND (NOT p0) p1), (AND (NOT p0) p1), p1]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-05 finished in 95541 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&(G(p0)||p1))))'
Support contains 4 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:09:38] [INFO ] Invariant cache hit.
[2025-06-08 00:09:38] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:10:14] [INFO ] Deduced a trap composed of 54 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:10:15] [INFO ] Deduced a trap composed of 54 places in 57 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 2/319 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 319 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40049ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40050ms
[2025-06-08 00:10:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:10:18] [INFO ] Implicit Places using invariants in 73 ms returned []
[2025-06-08 00:10:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:10:19] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:10:20] [INFO ] Implicit Places using invariants and state equation in 1770 ms returned []
Implicit Place search using SMT with State Equation took 1845 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:10:20] [INFO ] Invariant cache hit.
[2025-06-08 00:10:20] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23259 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53306ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53307ms
Finished structural reductions in LTL mode , in 1 iterations and 95208 ms. Remains : 110/110 places, 179/179 transitions.
Stuttering acceptance computed with spot in 159 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 215 ms.
Product exploration explored 100000 steps with 50000 reset in 231 ms.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 16 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-06 finished in 95854 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(!p0))))'
Support contains 2 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 110 transition count 178
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 178
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 108 transition count 177
Applied a total of 4 rules in 17 ms. Remains 108 /110 variables (removed 2) and now considering 177/179 (removed 2) transitions.
Running 127 sub problems to find dead transitions.
// Phase 1: matrix 177 rows 108 cols
[2025-06-08 00:11:14] [INFO ] Computed 28 invariants in 4 ms
[2025-06-08 00:11:14] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 19280 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39340ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 39343ms
[2025-06-08 00:11:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:11:54] [INFO ] Implicit Places using invariants in 78 ms returned []
[2025-06-08 00:11:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:11:54] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:11:55] [INFO ] Implicit Places using invariants and state equation in 1349 ms returned []
Implicit Place search using SMT with State Equation took 1428 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:11:55] [INFO ] Redundant transitions in 2 ms returned []
Running 127 sub problems to find dead transitions.
[2025-06-08 00:11:55] [INFO ] Invariant cache hit.
[2025-06-08 00:11:55] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 18352 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48405ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 48406ms
Starting structural reductions in SI_LTL mode, iteration 1 : 108/110 places, 177/179 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89209 ms. Remains : 108/110 places, 177/179 transitions.
Stuttering acceptance computed with spot in 69 ms :[p0, true, p0]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-09
Product exploration explored 100000 steps with 0 reset in 183 ms.
Product exploration explored 100000 steps with 2 reset in 233 ms.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be false thanks to negative knowledge :(X (X p0))
Knowledge based reduction with 2 factoid took 94 ms. Reduced automaton from 3 states, 5 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-09 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-09 finished in 89802 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 110 transition count 178
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 178
Applied a total of 2 rules in 11 ms. Remains 109 /110 variables (removed 1) and now considering 178/179 (removed 1) transitions.
Running 128 sub problems to find dead transitions.
// Phase 1: matrix 178 rows 109 cols
[2025-06-08 00:12:44] [INFO ] Computed 28 invariants in 1 ms
[2025-06-08 00:12:44] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 8 (OVERLAPS) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 187 constraints, problems are : Problem set: 0 solved, 128 unsolved in 18930 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 128/315 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 287/287 variables, and 315 constraints, problems are : Problem set: 0 solved, 128 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38979ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 38979ms
[2025-06-08 00:13:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:13:23] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-08 00:13:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:13:23] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:13:25] [INFO ] Implicit Places using invariants and state equation in 1457 ms returned []
Implicit Place search using SMT with State Equation took 1534 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:13:25] [INFO ] Redundant transitions in 5 ms returned []
Running 128 sub problems to find dead transitions.
[2025-06-08 00:13:25] [INFO ] Invariant cache hit.
[2025-06-08 00:13:25] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 8 (OVERLAPS) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 187 constraints, problems are : Problem set: 0 solved, 128 unsolved in 19142 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 128/315 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 287/287 variables, and 315 constraints, problems are : Problem set: 0 solved, 128 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49187ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 49187ms
Starting structural reductions in SI_LTL mode, iteration 1 : 109/110 places, 178/179 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89725 ms. Remains : 109/110 places, 178/179 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-10
Stuttering criterion allowed to conclude after 18 steps with 1 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-10 finished in 89810 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G((X((G(p1)||p0))||F(p2)))||X(p3))))'
Support contains 8 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
// Phase 1: matrix 179 rows 110 cols
[2025-06-08 00:14:14] [INFO ] Computed 28 invariants in 1 ms
[2025-06-08 00:14:14] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40052ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40053ms
[2025-06-08 00:14:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:14:54] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-08 00:14:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:14:54] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:14:56] [INFO ] Implicit Places using invariants and state equation in 1892 ms returned []
Implicit Place search using SMT with State Equation took 1965 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:14:56] [INFO ] Invariant cache hit.
[2025-06-08 00:14:56] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23119 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53161ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53161ms
Finished structural reductions in LTL mode , in 1 iterations and 95182 ms. Remains : 110/110 places, 179/179 transitions.
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), (AND (NOT p3) (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3))]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-11
Product exploration explored 100000 steps with 50000 reset in 221 ms.
Product exploration explored 100000 steps with 50000 reset in 235 ms.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) p0 p3), (X (NOT p2)), (X (NOT (AND p1 (NOT p3) (NOT p2) p0))), (X p3), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2) p0))), (X p0), (X (NOT (AND p1 (NOT p3) (NOT p2) (NOT p0)))), (X (NOT (OR (AND (NOT p1) (NOT p3) (NOT p2)) (AND (NOT p3) (NOT p2) (NOT p0))))), (X p1), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2) p0)))), (X (X (NOT (AND p1 (NOT p3) (NOT p2) (NOT p0))))), (X (X (NOT (OR (AND (NOT p1) (NOT p3) (NOT p2)) (AND (NOT p3) (NOT p2) (NOT p0))))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p1 (NOT p3) (NOT p2) p0))), (X (X (NOT (AND p1 (NOT p3) (NOT p2) p0)))), (X (X (NOT p3))), (X (X p3)), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 14 factoid took 19 ms. Reduced automaton from 3 states, 8 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-11 finished in 95818 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(p1)))||(p0 U (G(p0)||(p0&&G(p1)))))))'
Support contains 4 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:15:50] [INFO ] Invariant cache hit.
[2025-06-08 00:15:50] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40071ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40072ms
[2025-06-08 00:16:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:16:30] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-06-08 00:16:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:16:30] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:16:31] [INFO ] Implicit Places using invariants and state equation in 1483 ms returned []
Implicit Place search using SMT with State Equation took 1557 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:16:31] [INFO ] Invariant cache hit.
[2025-06-08 00:16:31] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23204 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53244ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53245ms
Finished structural reductions in LTL mode , in 1 iterations and 94879 ms. Remains : 110/110 places, 179/179 transitions.
Stuttering acceptance computed with spot in 349 ms :[(NOT p1), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), true, (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 167 ms.
Product exploration explored 100000 steps with 0 reset in 183 ms.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (AND p1 p0)), (X (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X p1), (X (NOT p1)), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 5 factoid took 312 ms. Reduced automaton from 11 states, 24 edges and 2 AP (stutter sensitive) to 8 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 256 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40002 steps (8 resets) in 105 ms. (377 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (10 resets) in 74 ms. (533 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (9 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
[2025-06-08 00:17:26] [INFO ] Invariant cache hit.
[2025-06-08 00:17:26] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf3 is UNSAT
After SMT solving in domain Real declared 29/289 variables, and 3 constraints, problems are : Problem set: 1 solved, 0 unsolved in 17 ms.
Refiners :[Positive P Invariants (semi-flows): 3/27 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/110 constraints, ReadFeed: 0/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (G (OR (NOT p1) p0))]
False Knowledge obtained : [(X (AND p1 p0)), (X (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X p1), (X (NOT p1)), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT (OR p1 p0))), (F (NOT (AND p1 p0))), (F (NOT p0)), (F (NOT (OR p1 (NOT p0))))]
Knowledge based reduction with 6 factoid took 444 ms. Reduced automaton from 8 states, 15 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 204 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 189 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:17:27] [INFO ] Invariant cache hit.
[2025-06-08 00:17:27] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40044ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40044ms
[2025-06-08 00:18:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:18:07] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-08 00:18:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:18:07] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:18:08] [INFO ] Implicit Places using invariants and state equation in 1499 ms returned []
Implicit Place search using SMT with State Equation took 1574 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2025-06-08 00:18:08] [INFO ] Invariant cache hit.
[2025-06-08 00:18:08] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 23112 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53157ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 53158ms
Finished structural reductions in LTL mode , in 1 iterations and 94779 ms. Remains : 110/110 places, 179/179 transitions.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge obtained : [(AND p0 p1)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 71 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 178 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40001 steps (8 resets) in 61 ms. (645 steps per ms) remains 1/3 properties
BEST_FIRST walk for 20408 steps (5 resets) in 28 ms. (703 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1)]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 133 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 174 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 191 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 149 ms.
Product exploration explored 100000 steps with 0 reset in 165 ms.
Applying partial POR strategy [true, true, true, false, false, false]
Stuttering acceptance computed with spot in 189 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 110 transition count 179
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 13 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
// Phase 1: matrix 179 rows 110 cols
[2025-06-08 00:19:03] [INFO ] Computed 28 invariants in 2 ms
[2025-06-08 00:19:03] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:19:04] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 3 ms to minimize.
Problem TDEAD1 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 1/29 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/110 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 6 (OVERLAPS) 179/289 variables, 110/139 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 50/189 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 0/189 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 9 (OVERLAPS) 0/289 variables, 0/189 constraints. Problems are: Problem set: 1 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 189 constraints, problems are : Problem set: 1 solved, 128 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 128 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 25/25 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 2 (OVERLAPS) 3/110 variables, 2/27 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 1/28 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 1/29 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/110 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 6 (OVERLAPS) 179/289 variables, 110/139 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 50/189 constraints. Problems are: Problem set: 1 solved, 128 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 128/317 constraints. Problems are: Problem set: 1 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 1 solved, 128 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/129 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40054ms problems are : Problem set: 1 solved, 128 unsolved
Search for dead transitions found 1 dead transitions in 40054ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:19:43] [INFO ] Redundant transitions in 0 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 110/110 places, 178/179 transitions.
Graph (complete) has 734 edges and 110 vertex of which 109 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 10 ms. Remains 109 /110 variables (removed 1) and now considering 178/178 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 109/110 places, 178/179 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 40088 ms. Remains : 109/110 places, 178/179 transitions.
Built C files in :
/tmp/ltsmin4272146735462121004
[2025-06-08 00:19:43] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4272146735462121004
Running compilation step : cd /tmp/ltsmin4272146735462121004;'/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'
Compilation finished in 288 ms.
Running link step : cd /tmp/ltsmin4272146735462121004;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin4272146735462121004;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased15178202919603331657.hoa' '--buchi-type=spotba'
LTSmin run took 7272 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-13 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-13 finished in 241216 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 110 transition count 178
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 178
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 108 transition count 177
Applied a total of 4 rules in 13 ms. Remains 108 /110 variables (removed 2) and now considering 177/179 (removed 2) transitions.
Running 127 sub problems to find dead transitions.
// Phase 1: matrix 177 rows 108 cols
[2025-06-08 00:19:51] [INFO ] Computed 28 invariants in 1 ms
[2025-06-08 00:19:51] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 19255 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39304ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 39305ms
[2025-06-08 00:20:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:20:30] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-06-08 00:20:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:20:30] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:20:32] [INFO ] Implicit Places using invariants and state equation in 1535 ms returned []
Implicit Place search using SMT with State Equation took 1608 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:20:32] [INFO ] Redundant transitions in 0 ms returned []
Running 127 sub problems to find dead transitions.
[2025-06-08 00:20:32] [INFO ] Invariant cache hit.
[2025-06-08 00:20:32] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 18400 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48445ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 48447ms
Starting structural reductions in SI_LTL mode, iteration 1 : 108/110 places, 177/179 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89383 ms. Remains : 108/110 places, 177/179 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-15
Product exploration explored 100000 steps with 20489 reset in 306 ms.
Product exploration explored 100000 steps with 20501 reset in 256 ms.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Detected a total of 4/108 stabilizing places and 51/177 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 73 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
RANDOM walk for 18 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 88 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
[2025-06-08 00:21:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:21:21] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2025-06-08 00:21:21] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:21:21] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2025-06-08 00:21:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:21:21] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2025-06-08 00:21:21] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:21:21] [INFO ] [Nat]Absence check using state equation in 167 ms returned sat
[2025-06-08 00:21:21] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:21:21] [INFO ] [Nat]Added 50 Read/Feed constraints in 14 ms returned sat
[2025-06-08 00:21:22] [INFO ] Computed and/alt/rep : 75/225/75 causal constraints (skipped 52 transitions) in 10 ms.
[2025-06-08 00:21:22] [INFO ] Added : 0 causal constraints over 0 iterations in 97 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 108 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 108/108 places, 177/177 transitions.
Applied a total of 0 rules in 12 ms. Remains 108 /108 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Running 127 sub problems to find dead transitions.
[2025-06-08 00:21:22] [INFO ] Invariant cache hit.
[2025-06-08 00:21:22] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 18355 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38402ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 38402ms
[2025-06-08 00:22:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:22:00] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-08 00:22:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:22:00] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:22:02] [INFO ] Implicit Places using invariants and state equation in 1533 ms returned []
Implicit Place search using SMT with State Equation took 1605 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:22:02] [INFO ] Redundant transitions in 1 ms returned []
Running 127 sub problems to find dead transitions.
[2025-06-08 00:22:02] [INFO ] Invariant cache hit.
[2025-06-08 00:22:02] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 18367 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48410ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 48412ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 88439 ms. Remains : 108/108 places, 177/177 transitions.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Detected a total of 4/108 stabilizing places and 51/177 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 79 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
RANDOM walk for 19 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 108 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
[2025-06-08 00:22:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:22:50] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2025-06-08 00:22:50] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-08 00:22:50] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2025-06-08 00:22:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:22:51] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2025-06-08 00:22:51] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:22:51] [INFO ] [Nat]Absence check using state equation in 164 ms returned sat
[2025-06-08 00:22:51] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:22:51] [INFO ] [Nat]Added 50 Read/Feed constraints in 15 ms returned sat
[2025-06-08 00:22:51] [INFO ] Computed and/alt/rep : 75/225/75 causal constraints (skipped 52 transitions) in 12 ms.
[2025-06-08 00:22:51] [INFO ] Added : 0 causal constraints over 0 iterations in 102 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Product exploration explored 100000 steps with 20499 reset in 229 ms.
Product exploration explored 100000 steps with 20501 reset in 239 ms.
Built C files in :
/tmp/ltsmin6453377552044883670
[2025-06-08 00:22:51] [INFO ] Computing symmetric may disable matrix : 177 transitions.
[2025-06-08 00:22:51] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:22:51] [INFO ] Computing symmetric may enable matrix : 177 transitions.
[2025-06-08 00:22:51] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:22:51] [INFO ] Computing Do-Not-Accords matrix : 177 transitions.
[2025-06-08 00:22:51] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:22:51] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6453377552044883670
Running compilation step : cd /tmp/ltsmin6453377552044883670;'/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'
Compilation finished in 335 ms.
Running link step : cd /tmp/ltsmin6453377552044883670;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin6453377552044883670;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased13489061867648014802.hoa' '--buchi-type=spotba'
LTSmin run took 1138 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-15 finished in 182097 ms.
All properties solved by simple procedures.
Total runtime 1563085 ms.
BK_STOP 1749342173471
--------------------
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="CopsAndRobbers-PT-CRL025X003"
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 CopsAndRobbers-PT-CRL025X003, 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 r254-tall-174931339400196"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL025X003.tgz
mv CopsAndRobbers-PT-CRL025X003 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;