Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994200364.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)
....................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is SieveSingleMsgMbox-PT-d0m06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994200364
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 57K May 29 14:33 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-00
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-01
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-02
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-03
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-04
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-05
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-06
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-07
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-08
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-09
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-10
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-11
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-12
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-13
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-14
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749147358920

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d0m06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-05 18:16:00] [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]
[2025-06-05 18:16:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 18:16:00] [INFO ] Load time of PNML (sax parser for PT used): 64 ms
[2025-06-05 18:16:00] [INFO ] Transformed 262 places.
[2025-06-05 18:16:00] [INFO ] Transformed 73 transitions.
[2025-06-05 18:16:00] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 148 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 190 places in 1 ms
Reduce places removed 190 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 73/73 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 70 transition count 73
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 4 place count 68 transition count 71
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 68 transition count 71
Applied a total of 6 rules in 17 ms. Remains 68 /72 variables (removed 4) and now considering 71/73 (removed 2) transitions.
// Phase 1: matrix 71 rows 68 cols
[2025-06-05 18:16:00] [INFO ] Computed 5 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:00] [INFO ] Implicit Places using invariants in 184 ms returned []
[2025-06-05 18:16:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:00] [INFO ] State equation strengthened by 29 read => feed constraints.
[2025-06-05 18:16:00] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 361 ms to find 0 implicit places.
Running 70 sub problems to find dead transitions.
[2025-06-05 18:16:00] [INFO ] Invariant cache hit.
[2025-06-05 18:16:00] [INFO ] State equation strengthened by 29 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 1/68 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 70 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:01] [INFO ] Deduced a trap composed of 22 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:01] [INFO ] Deduced a trap composed of 23 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:01] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 70 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 70 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (OVERLAPS) 71/139 variables, 68/79 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/139 variables, 29/108 constraints. Problems are: Problem set: 0 solved, 70 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/139 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 70 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 28 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 5/115 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/139 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 13 (OVERLAPS) 0/139 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Real declared 139/139 variables, and 115 constraints, problems are : Problem set: 0 solved, 70 unsolved in 4271 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 70 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (OVERLAPS) 1/68 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (OVERLAPS) 71/139 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/139 variables, 29/115 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/139 variables, 70/185 constraints. Problems are: Problem set: 0 solved, 70 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:07] [INFO ] Deduced a trap along path composed of 4 places in 35 ms of which 13 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/139 variables, 1/186 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 12 (OVERLAPS) 0/139 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Int declared 139/139 variables, and 186 constraints, problems are : Problem set: 0 solved, 70 unsolved in 10468 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 14839ms problems are : Problem set: 0 solved, 70 unsolved
Search for dead transitions found 0 dead transitions in 14856ms
Starting structural reductions in LTL mode, iteration 1 : 68/72 places, 71/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15250 ms. Remains : 68/72 places, 71/73 transitions.
Support contains 32 out of 68 places after structural reductions.
[2025-06-05 18:16:15] [INFO ] Flatten gal took : 21 ms
[2025-06-05 18:16:15] [INFO ] Flatten gal took : 11 ms
[2025-06-05 18:16:15] [INFO ] Input system was already deterministic with 71 transitions.
Reduction of identical properties reduced properties to check from 26 to 25
RANDOM walk for 40000 steps (8943 resets) in 1627 ms. (24 steps per ms) remains 17/25 properties
BEST_FIRST walk for 4003 steps (380 resets) in 77 ms. (51 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (413 resets) in 48 ms. (81 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (204 resets) in 26 ms. (148 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (397 resets) in 20 ms. (190 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (190 resets) in 18 ms. (210 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4001 steps (410 resets) in 36 ms. (108 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (190 resets) in 21 ms. (181 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4001 steps (464 resets) in 34 ms. (114 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (382 resets) in 21 ms. (181 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (194 resets) in 14 ms. (266 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (411 resets) in 20 ms. (190 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (210 resets) in 16 ms. (235 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (410 resets) in 23 ms. (166 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (388 resets) in 21 ms. (181 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (403 resets) in 22 ms. (174 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4001 steps (428 resets) in 18 ms. (210 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4001 steps (188 resets) in 24 ms. (160 steps per ms) remains 17/17 properties
[2025-06-05 18:16:16] [INFO ] Invariant cache hit.
[2025-06-05 18:16:16] [INFO ] State equation strengthened by 29 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 29/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 7/60 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:16] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 64/124 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 22/88 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/139 variables, 8/96 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/139 variables, 7/103 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 21 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 3/106 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/139 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 3 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/139 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:17] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 5 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/139 variables, 4/112 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/139 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 16 (OVERLAPS) 0/139 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 139/139 variables, and 112 constraints, problems are : Problem set: 0 solved, 17 unsolved in 1647 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 29/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 7/60 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 64/124 variables, 60/69 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 22/91 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 8/99 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (OVERLAPS) 15/139 variables, 8/107 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 7/114 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/139 variables, 9/123 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/139 variables, 6/129 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/139 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:19] [INFO ] Deduced a trap composed of 28 places in 36 ms of which 3 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/139 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/139 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 17 (OVERLAPS) 0/139 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 139/139 variables, and 130 constraints, problems are : Problem set: 0 solved, 17 unsolved in 2478 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4155ms problems are : Problem set: 0 solved, 17 unsolved
Parikh walk visited 0 properties in 443 ms.
Support contains 24 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 71/71 transitions.
Applied a total of 0 rules in 7 ms. Remains 68 /68 variables (removed 0) and now considering 71/71 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 68/68 places, 71/71 transitions.
RANDOM walk for 40000 steps (8954 resets) in 291 ms. (136 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (407 resets) in 13 ms. (285 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (422 resets) in 17 ms. (222 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (194 resets) in 22 ms. (174 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4001 steps (434 resets) in 51 ms. (76 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (207 resets) in 26 ms. (148 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4001 steps (419 resets) in 21 ms. (181 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4001 steps (176 resets) in 13 ms. (285 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (447 resets) in 27 ms. (143 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (411 resets) in 20 ms. (190 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (189 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (428 resets) in 19 ms. (200 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (187 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (421 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (412 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4001 steps (427 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (430 resets) in 22 ms. (174 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (191 resets) in 34 ms. (114 steps per ms) remains 16/16 properties
Finished probabilistic random walk after 4129 steps, run visited all 16 properties in 26 ms. (steps per millisecond=158 )
Probabilistic random walk after 4129 steps, saw 2112 distinct states, run finished after 31 ms. (steps per millisecond=133 ) properties seen :16
Computed a total of 9 stabilizing places and 12 stable transitions
Graph (complete) has 209 edges and 68 vertex of which 67 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 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(p1)||X((X(X(p2))||G(p3)))||p0)))'
Support contains 7 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 63 transition count 66
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 63 transition count 66
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 62 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 61 transition count 64
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 61 transition count 63
Applied a total of 15 rules in 10 ms. Remains 61 /68 variables (removed 7) and now considering 63/71 (removed 8) transitions.
// Phase 1: matrix 63 rows 61 cols
[2025-06-05 18:16:21] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:22] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-05 18:16:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:22] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:16:22] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-06-05 18:16:22] [INFO ] Invariant cache hit.
[2025-06-05 18:16:22] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (OVERLAPS) 1/61 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 63/124 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 13/108 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (OVERLAPS) 0/124 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/124 variables, and 108 constraints, problems are : Problem set: 0 solved, 62 unsolved in 2982 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (OVERLAPS) 1/61 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:25] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/61 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (OVERLAPS) 63/124 variables, 61/84 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 25/109 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/124 variables, 62/171 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:27] [INFO ] Deduced a trap along path composed of 4 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:28] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/124 variables, 2/173 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/124 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 13 (OVERLAPS) 0/124 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/124 variables, and 173 constraints, problems are : Problem set: 0 solved, 62 unsolved in 9287 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 12295ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 12297ms
Starting structural reductions in LTL mode, iteration 1 : 61/68 places, 63/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12470 ms. Remains : 61/68 places, 63/71 transitions.
Stuttering acceptance computed with spot in 466 ms :[(AND (NOT p0) (NOT p1) (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p3) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-00
Product exploration explored 100000 steps with 22350 reset in 225 ms.
Product exploration explored 100000 steps with 22273 reset in 163 ms.
Computed a total of 7 stabilizing places and 10 stable transitions
Graph (complete) has 189 edges and 61 vertex of which 60 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 7 stabilizing places and 10 stable transitions
Knowledge obtained : [(AND p0 p1 (NOT p3) p2), (X (NOT p3)), (X (NOT (AND (NOT p1) p3))), (X (NOT (AND (NOT p1) (NOT p3)))), (X p1), (X (X p1)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT (AND (NOT p1) (NOT p3)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 139 ms. Reduced automaton from 8 states, 13 edges and 4 AP (stutter sensitive) to 8 states, 13 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 349 ms :[(AND (NOT p1) (NOT p0) (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p3) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p3))]
RANDOM walk for 40000 steps (8939 resets) in 530 ms. (75 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1931 resets) in 158 ms. (251 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (4060 resets) in 149 ms. (266 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1910 resets) in 189 ms. (210 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (4162 resets) in 193 ms. (206 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1926 resets) in 124 ms. (320 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (1941 resets) in 122 ms. (325 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (4112 resets) in 144 ms. (275 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (4123 resets) in 169 ms. (235 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (4099 resets) in 82 ms. (481 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (4161 resets) in 66 ms. (597 steps per ms) remains 10/10 properties
Probably explored full state space saw : 19185 states, properties seen :5
Probabilistic random walk after 48762 steps, saw 19185 distinct states, run finished after 289 ms. (steps per millisecond=168 ) properties seen :5
Explored full state space saw : 19185 states, properties seen :0
Exhaustive walk after 48762 steps, saw 19185 distinct states, run finished after 248 ms. (steps per millisecond=196 ) properties seen :0
Found 5 invariant AP formulas.
Knowledge obtained : [(AND p0 p1 (NOT p3) p2), (X (NOT p3)), (X (NOT (AND (NOT p1) p3))), (X (NOT (AND (NOT p1) (NOT p3)))), (X p1), (X (X p1)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT (AND (NOT p1) (NOT p3))))), (G (OR p1 p2)), (G (OR p1 (NOT p3))), (G (OR p1 p0)), (G (OR p1 p2 (NOT p3))), (G (OR p1 p2 p3))]
False Knowledge obtained : [(F (NOT p2)), (F p3), (F (NOT p0)), (F (NOT (OR p1 p3))), (F (NOT p1))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 14 factoid took 13 ms. Reduced automaton from 8 states, 13 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-00 finished in 15161 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&F((p1&&X(p1)))))'
Support contains 4 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 63 transition count 66
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 63 transition count 66
Applied a total of 10 rules in 6 ms. Remains 63 /68 variables (removed 5) and now considering 66/71 (removed 5) transitions.
// Phase 1: matrix 66 rows 63 cols
[2025-06-05 18:16:37] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:37] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-05 18:16:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:37] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-05 18:16:37] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Running 65 sub problems to find dead transitions.
[2025-06-05 18:16:37] [INFO ] Invariant cache hit.
[2025-06-05 18:16:37] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:37] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (OVERLAPS) 1/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:37] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:37] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:38] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:38] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:38] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:38] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:38] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/63 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (OVERLAPS) 66/129 variables, 63/76 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 27/103 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/129 variables, 4/107 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:39] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/129 variables, 7/114 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:40] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/129 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/129 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 14 (OVERLAPS) 0/129 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Real declared 129/129 variables, and 115 constraints, problems are : Problem set: 0 solved, 65 unsolved in 4178 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 63/63 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (OVERLAPS) 1/63 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:41] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/63 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (OVERLAPS) 66/129 variables, 63/89 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 27/116 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/129 variables, 65/181 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:43] [INFO ] Deduced a trap along path composed of 9 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:44] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/129 variables, 2/183 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/129 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (OVERLAPS) 0/129 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Int declared 129/129 variables, and 183 constraints, problems are : Problem set: 0 solved, 65 unsolved in 7275 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 63/63 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 11476ms problems are : Problem set: 0 solved, 65 unsolved
Search for dead transitions found 0 dead transitions in 11477ms
Starting structural reductions in LTL mode, iteration 1 : 63/68 places, 66/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11655 ms. Remains : 63/68 places, 66/71 transitions.
Stuttering acceptance computed with spot in 183 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), true]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 188 ms.
Product exploration explored 100000 steps with 50000 reset in 153 ms.
Computed a total of 7 stabilizing places and 10 stable transitions
Graph (complete) has 196 edges and 63 vertex of which 62 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 7 stabilizing places and 10 stable transitions
Knowledge obtained : [(AND p1 p0), (X p1), (X p0), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 17 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-03 finished in 12215 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 6 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 64 transition count 67
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 64 transition count 67
Applied a total of 8 rules in 15 ms. Remains 64 /68 variables (removed 4) and now considering 67/71 (removed 4) transitions.
// Phase 1: matrix 67 rows 64 cols
[2025-06-05 18:16:49] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:49] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-05 18:16:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:49] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-05 18:16:49] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:16:49] [INFO ] Redundant transitions in 2 ms returned []
Running 66 sub problems to find dead transitions.
[2025-06-05 18:16:49] [INFO ] Invariant cache hit.
[2025-06-05 18:16:49] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:49] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:49] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:49] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (OVERLAPS) 1/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:50] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 67/131 variables, 64/73 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/131 variables, 28/101 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:50] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:51] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/131 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/131 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:51] [INFO ] Deduced a trap composed of 27 places in 36 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/131 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:52] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:52] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:52] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/131 variables, 3/107 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/131 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 14 (OVERLAPS) 0/131 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 131/131 variables, and 107 constraints, problems are : Problem set: 0 solved, 66 unsolved in 4061 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (OVERLAPS) 1/64 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:53] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:53] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (OVERLAPS) 67/131 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/131 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/131 variables, 66/175 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:55] [INFO ] Deduced a trap along path composed of 4 places in 39 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/131 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:57] [INFO ] Deduced a trap along path composed of 9 places in 20 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/131 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/131 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 14 (OVERLAPS) 0/131 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 131/131 variables, and 177 constraints, problems are : Problem set: 0 solved, 66 unsolved in 12663 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 16742ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 16744ms
Starting structural reductions in SI_LTL mode, iteration 1 : 64/68 places, 67/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 16947 ms. Remains : 64/68 places, 67/71 transitions.
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-04
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-04 finished in 17123 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 61 transition count 64
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 59 transition count 61
Applied a total of 19 rules in 17 ms. Remains 59 /68 variables (removed 9) and now considering 61/71 (removed 10) transitions.
// Phase 1: matrix 61 rows 59 cols
[2025-06-05 18:17:06] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:06] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-05 18:17:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:06] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:17:06] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:17:06] [INFO ] Redundant transitions in 1 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 18:17:06] [INFO ] Invariant cache hit.
[2025-06-05 18:17:06] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 10 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:08] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:08] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:08] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:08] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:08] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:08] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3113 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:11] [INFO ] Deduced a trap along path composed of 14 places in 28 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 7944 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 11073ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11073ms
Starting structural reductions in SI_LTL mode, iteration 1 : 59/68 places, 61/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11267 ms. Remains : 59/68 places, 61/71 transitions.
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-05 finished in 11320 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 p1) U (X(F(!p0))&&(p2||F(G(p0))))))'
Support contains 6 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 61 transition count 64
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 59 transition count 61
Applied a total of 19 rules in 12 ms. Remains 59 /68 variables (removed 9) and now considering 61/71 (removed 10) transitions.
[2025-06-05 18:17:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:17] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-05 18:17:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:17] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:17:17] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-05 18:17:17] [INFO ] Invariant cache hit.
[2025-06-05 18:17:17] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:18] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:18] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:18] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:18] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:18] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:18] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:19] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3146 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:23] [INFO ] Deduced a trap along path composed of 14 places in 31 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 8052 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 11215ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11216ms
Starting structural reductions in LTL mode, iteration 1 : 59/68 places, 61/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11381 ms. Remains : 59/68 places, 61/71 transitions.
Stuttering acceptance computed with spot in 217 ms :[(OR (NOT p2) p0), p0, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 121 ms.
Product exploration explored 100000 steps with 50000 reset in 124 ms.
Computed a total of 7 stabilizing places and 10 stable transitions
Graph (complete) has 183 edges and 59 vertex of which 58 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 7 stabilizing places and 10 stable transitions
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p2) p0 p1))), (X (NOT (AND (NOT p2) p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p2) (NOT p0))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) p0 p1)))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 19 factoid took 18 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-06 finished in 11884 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X((F(p1)&&G(!p2)))))'
Support contains 5 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 63 transition count 66
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 63 transition count 66
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 62 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 61 transition count 64
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 61 transition count 63
Applied a total of 15 rules in 10 ms. Remains 61 /68 variables (removed 7) and now considering 63/71 (removed 8) transitions.
// Phase 1: matrix 63 rows 61 cols
[2025-06-05 18:17:29] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:29] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-05 18:17:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:29] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:17:29] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-06-05 18:17:29] [INFO ] Invariant cache hit.
[2025-06-05 18:17:29] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:30] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (OVERLAPS) 1/61 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:30] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:30] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:30] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:30] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:30] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:30] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:30] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/61 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (OVERLAPS) 63/124 variables, 61/74 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 25/99 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:31] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:31] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:31] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:31] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:31] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:31] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:31] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/124 variables, 7/106 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:32] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/124 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/124 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 13 (OVERLAPS) 0/124 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/124 variables, and 107 constraints, problems are : Problem set: 0 solved, 62 unsolved in 3681 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (OVERLAPS) 1/61 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (OVERLAPS) 63/124 variables, 61/81 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 25/106 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 62/168 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/124 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/124 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (OVERLAPS) 0/124 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/124 variables, and 169 constraints, problems are : Problem set: 0 solved, 62 unsolved in 9114 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 12811ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 12813ms
Starting structural reductions in LTL mode, iteration 1 : 61/68 places, 63/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12958 ms. Remains : 61/68 places, 63/71 transitions.
Stuttering acceptance computed with spot in 171 ms :[(AND (NOT p0) p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-07
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-07 finished in 13152 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((!p0&&X(X(p1))&&(!p2 U (p3||G(!p2))))) U p1))'
Support contains 6 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 61 transition count 64
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 60 transition count 63
Applied a total of 16 rules in 7 ms. Remains 60 /68 variables (removed 8) and now considering 63/71 (removed 8) transitions.
// Phase 1: matrix 63 rows 60 cols
[2025-06-05 18:17:42] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:42] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-05 18:17:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:42] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 18:17:42] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-06-05 18:17:42] [INFO ] Invariant cache hit.
[2025-06-05 18:17:42] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:43] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:43] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:43] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:43] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:43] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 63/123 variables, 60/70 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 26/96 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:44] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:44] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:44] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 3/99 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:44] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:44] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:44] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 3/102 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/123 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (OVERLAPS) 0/123 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 123/123 variables, and 102 constraints, problems are : Problem set: 0 solved, 62 unsolved in 2602 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (OVERLAPS) 63/123 variables, 60/76 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 26/102 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 62/164 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:47] [INFO ] Deduced a trap along path composed of 4 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/123 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/123 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (OVERLAPS) 0/123 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 123/123 variables, and 165 constraints, problems are : Problem set: 0 solved, 62 unsolved in 7656 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 10275ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 10275ms
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 63/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10425 ms. Remains : 60/68 places, 63/71 transitions.
Stuttering acceptance computed with spot in 182 ms :[true, (NOT p1), (OR (NOT p1) p0 (AND p2 (NOT p3))), (OR (NOT p1) p0 (AND p2 (NOT p3)))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-08 finished in 10629 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((((G(p2)||p1)&&p0) U (!p3&&X(!p2)))))'
Support contains 6 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 62 transition count 65
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 60 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 17 place count 60 transition count 62
Applied a total of 17 rules in 4 ms. Remains 60 /68 variables (removed 8) and now considering 62/71 (removed 9) transitions.
// Phase 1: matrix 62 rows 60 cols
[2025-06-05 18:17:53] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:53] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-05 18:17:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:53] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:17:53] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 138 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 18:17:53] [INFO ] Invariant cache hit.
[2025-06-05 18:17:53] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:53] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:54] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:54] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:54] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:54] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:54] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:54] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (OVERLAPS) 62/122 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 25/97 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:54] [INFO ] Deduced a trap composed of 11 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:54] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:55] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:55] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:55] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:55] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:55] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 7/104 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:55] [INFO ] Deduced a trap composed of 11 places in 52 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:55] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 13 (OVERLAPS) 0/122 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 106 constraints, problems are : Problem set: 0 solved, 61 unsolved in 3541 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:57] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (OVERLAPS) 62/122 variables, 60/82 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 25/107 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 61/168 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:59] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:59] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 2/170 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 13 (OVERLAPS) 0/122 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 170 constraints, problems are : Problem set: 0 solved, 61 unsolved in 6942 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 10500ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 10500ms
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 62/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10642 ms. Remains : 60/68 places, 62/71 transitions.
Stuttering acceptance computed with spot in 313 ms :[(OR p2 p3), true, p2, (NOT p2), (OR p3 p2), false, p2]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-10 finished in 10980 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0)) U (!p1 U p2)))'
Support contains 5 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 62 transition count 65
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 60 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 17 place count 60 transition count 62
Applied a total of 17 rules in 13 ms. Remains 60 /68 variables (removed 8) and now considering 62/71 (removed 9) transitions.
// Phase 1: matrix 62 rows 60 cols
[2025-06-05 18:18:04] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:04] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-06-05 18:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:04] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:18:04] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:18:04] [INFO ] Redundant transitions in 0 ms returned []
Running 61 sub problems to find dead transitions.
[2025-06-05 18:18:04] [INFO ] Invariant cache hit.
[2025-06-05 18:18:04] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:04] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:05] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:05] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:05] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:05] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (OVERLAPS) 62/122 variables, 60/70 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:06] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 9/104 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 104 constraints, problems are : Problem set: 0 solved, 61 unsolved in 2782 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:07] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:07] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (OVERLAPS) 62/122 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 25/106 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 61/167 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:10] [INFO ] Deduced a trap along path composed of 4 places in 28 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:13] [INFO ] Deduced a trap along path composed of 14 places in 26 ms of which 0 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/122 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/122 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 15 (OVERLAPS) 0/122 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 169 constraints, problems are : Problem set: 0 solved, 61 unsolved in 11760 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 14559ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 14560ms
Starting structural reductions in SI_LTL mode, iteration 1 : 60/68 places, 62/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 14719 ms. Remains : 60/68 places, 62/71 transitions.
Stuttering acceptance computed with spot in 128 ms :[(NOT p2), (NOT p0), (NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-12
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-12 finished in 14865 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(!p0)&&F(p1))))'
Support contains 4 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 61 transition count 64
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 61 transition count 64
Applied a total of 14 rules in 6 ms. Remains 61 /68 variables (removed 7) and now considering 64/71 (removed 7) transitions.
// Phase 1: matrix 64 rows 61 cols
[2025-06-05 18:18:19] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:19] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-05 18:18:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:19] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 18:18:19] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:18:19] [INFO ] Redundant transitions in 1 ms returned []
Running 63 sub problems to find dead transitions.
[2025-06-05 18:18:19] [INFO ] Invariant cache hit.
[2025-06-05 18:18:19] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 1/61 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:19] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:19] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:19] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:20] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:20] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:20] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:20] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:20] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:20] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (OVERLAPS) 64/125 variables, 61/75 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 26/101 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:20] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:20] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:21] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:21] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:21] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:21] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:21] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/125 variables, 7/108 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/125 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (OVERLAPS) 0/125 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 125/125 variables, and 108 constraints, problems are : Problem set: 0 solved, 63 unsolved in 2830 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 1/61 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (OVERLAPS) 64/125 variables, 61/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 26/108 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/125 variables, 63/171 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:25] [INFO ] Deduced a trap along path composed of 4 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:26] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/125 variables, 2/173 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/125 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 12 (OVERLAPS) 0/125 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 125/125 variables, and 173 constraints, problems are : Problem set: 0 solved, 63 unsolved in 9841 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 12686ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 12687ms
Starting structural reductions in SI_LTL mode, iteration 1 : 61/68 places, 64/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 12860 ms. Remains : 61/68 places, 64/71 transitions.
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-13
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-13 finished in 13006 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 2 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 61 transition count 64
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 59 transition count 61
Applied a total of 19 rules in 10 ms. Remains 59 /68 variables (removed 9) and now considering 61/71 (removed 10) transitions.
// Phase 1: matrix 61 rows 59 cols
[2025-06-05 18:18:32] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:32] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-05 18:18:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:32] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:18:32] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:18:32] [INFO ] Redundant transitions in 0 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 18:18:32] [INFO ] Invariant cache hit.
[2025-06-05 18:18:32] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:32] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:32] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:32] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:32] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:33] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:34] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:34] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3194 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:37] [INFO ] Deduced a trap along path composed of 14 places in 29 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 8004 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 11212ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11213ms
Starting structural reductions in SI_LTL mode, iteration 1 : 59/68 places, 61/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11379 ms. Remains : 59/68 places, 61/71 transitions.
Stuttering acceptance computed with spot in 37 ms :[p0]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-14
Product exploration explored 100000 steps with 22426 reset in 132 ms.
Product exploration explored 100000 steps with 22303 reset in 145 ms.
Computed a total of 7 stabilizing places and 10 stable transitions
Graph (complete) has 183 edges and 59 vertex of which 58 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 7 stabilizing places and 10 stable transitions
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 80 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 23 ms :[p0]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 105 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[p0]
Stuttering acceptance computed with spot in 45 ms :[p0]
Support contains 2 out of 59 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 59/59 places, 61/61 transitions.
Applied a total of 0 rules in 7 ms. Remains 59 /59 variables (removed 0) and now considering 61/61 (removed 0) transitions.
[2025-06-05 18:18:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:44] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-05 18:18:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:44] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:18:44] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:18:44] [INFO ] Redundant transitions in 1 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 18:18:44] [INFO ] Invariant cache hit.
[2025-06-05 18:18:44] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:44] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:44] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:44] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:44] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:46] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:46] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3119 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:49] [INFO ] Deduced a trap along path composed of 14 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 7945 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 11079ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11079ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 11238 ms. Remains : 59/59 places, 61/61 transitions.
Computed a total of 7 stabilizing places and 10 stable transitions
Graph (complete) has 183 edges and 59 vertex of which 58 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 7 stabilizing places and 10 stable transitions
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 79 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[p0]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 117 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[p0]
Stuttering acceptance computed with spot in 46 ms :[p0]
Stuttering acceptance computed with spot in 38 ms :[p0]
Product exploration explored 100000 steps with 22355 reset in 105 ms.
Product exploration explored 100000 steps with 22360 reset in 229 ms.
Built C files in :
/tmp/ltsmin9767477940705813779
[2025-06-05 18:18:56] [INFO ] Computing symmetric may disable matrix : 61 transitions.
[2025-06-05 18:18:56] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 18:18:56] [INFO ] Computing symmetric may enable matrix : 61 transitions.
[2025-06-05 18:18:56] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 18:18:56] [INFO ] Computing Do-Not-Accords matrix : 61 transitions.
[2025-06-05 18:18:56] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 18:18:56] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9767477940705813779
Running compilation step : cd /tmp/ltsmin9767477940705813779;'/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 265 ms.
Running link step : cd /tmp/ltsmin9767477940705813779;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin9767477940705813779;'/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/stateBased1552763698986507083.hoa' '--buchi-type=spotba'
LTSmin run took 283 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-14 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-14 finished in 24650 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 61 transition count 64
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 59 transition count 61
Applied a total of 19 rules in 13 ms. Remains 59 /68 variables (removed 9) and now considering 61/71 (removed 10) transitions.
[2025-06-05 18:18:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:56] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-05 18:18:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:57] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:18:57] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:18:57] [INFO ] Redundant transitions in 1 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 18:18:57] [INFO ] Invariant cache hit.
[2025-06-05 18:18:57] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:57] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:57] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:57] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:57] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:57] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:57] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:58] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:58] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:58] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:58] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:58] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:58] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:58] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:59] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:59] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3191 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:02] [INFO ] Deduced a trap along path composed of 14 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 7784 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 10997ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 10997ms
Starting structural reductions in SI_LTL mode, iteration 1 : 59/68 places, 61/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11158 ms. Remains : 59/68 places, 61/71 transitions.
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m06-LTLFireability-15
Product exploration explored 100000 steps with 22292 reset in 111 ms.
Product exploration explored 100000 steps with 22294 reset in 108 ms.
Computed a total of 7 stabilizing places and 10 stable transitions
Graph (complete) has 183 edges and 59 vertex of which 58 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 7 stabilizing places and 10 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 89 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (9026 resets) in 65 ms. (606 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40001 steps (1946 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
[2025-06-05 18:19:08] [INFO ] Invariant cache hit.
[2025-06-05 18:19:08] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/44 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/48 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 53/101 variables, 48/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 17/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 19/120 variables, 11/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 8/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/120 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/120 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 89 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/44 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/48 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 53/101 variables, 48/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 17/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 19/120 variables, 11/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 8/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/120 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/120 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/120 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 90 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 202ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 2 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 61/61 transitions.
Graph (complete) has 162 edges and 59 vertex of which 58 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 58 transition count 59
Applied a total of 3 rules in 4 ms. Remains 58 /59 variables (removed 1) and now considering 59/61 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 58/59 places, 59/61 transitions.
RANDOM walk for 40000 steps (8863 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (1936 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1161 steps, run visited all 1 properties in 7 ms. (steps per millisecond=165 )
Probabilistic random walk after 1161 steps, saw 569 distinct states, run finished after 7 ms. (steps per millisecond=165 ) properties seen :1
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 122 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 3 out of 59 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 59/59 places, 61/61 transitions.
Applied a total of 0 rules in 3 ms. Remains 59 /59 variables (removed 0) and now considering 61/61 (removed 0) transitions.
[2025-06-05 18:19:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:19:09] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-05 18:19:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:19:09] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:19:09] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:19:09] [INFO ] Redundant transitions in 1 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 18:19:09] [INFO ] Invariant cache hit.
[2025-06-05 18:19:09] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:09] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:10] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:11] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:11] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:11] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:11] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3151 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:14] [INFO ] Deduced a trap along path composed of 14 places in 28 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 7825 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 10994ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 10994ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 11146 ms. Remains : 59/59 places, 61/61 transitions.
Computed a total of 7 stabilizing places and 10 stable transitions
Graph (complete) has 183 edges and 59 vertex of which 58 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 7 stabilizing places and 10 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 80 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (8907 resets) in 80 ms. (493 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40002 steps (1922 resets) in 21 ms. (1818 steps per ms) remains 1/1 properties
[2025-06-05 18:19:20] [INFO ] Invariant cache hit.
[2025-06-05 18:19:20] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/44 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/48 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 53/101 variables, 48/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 17/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 19/120 variables, 11/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 8/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/120 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/120 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 89 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/44 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/48 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 53/101 variables, 48/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 17/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 19/120 variables, 11/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 8/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/120 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/120 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/120 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 90 constraints, problems are : Problem set: 0 solved, 1 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 208ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 2 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 61/61 transitions.
Graph (complete) has 162 edges and 59 vertex of which 58 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 58 transition count 59
Applied a total of 3 rules in 4 ms. Remains 58 /59 variables (removed 1) and now considering 59/61 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 58/59 places, 59/61 transitions.
RANDOM walk for 40000 steps (8952 resets) in 58 ms. (677 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (1954 resets) in 21 ms. (1818 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1161 steps, run visited all 1 properties in 3 ms. (steps per millisecond=387 )
Probabilistic random walk after 1161 steps, saw 569 distinct states, run finished after 3 ms. (steps per millisecond=387 ) properties seen :1
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 114 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 114 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 22352 reset in 108 ms.
Product exploration explored 100000 steps with 22318 reset in 109 ms.
Built C files in :
/tmp/ltsmin5082488442775963644
[2025-06-05 18:19:21] [INFO ] Computing symmetric may disable matrix : 61 transitions.
[2025-06-05 18:19:21] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 18:19:21] [INFO ] Computing symmetric may enable matrix : 61 transitions.
[2025-06-05 18:19:21] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 18:19:21] [INFO ] Computing Do-Not-Accords matrix : 61 transitions.
[2025-06-05 18:19:21] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 18:19:21] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5082488442775963644
Running compilation step : cd /tmp/ltsmin5082488442775963644;'/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 161 ms.
Running link step : cd /tmp/ltsmin5082488442775963644;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin5082488442775963644;'/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/stateBased3913311292888239475.hoa' '--buchi-type=spotba'
LTSmin run took 71 ms.
FORMULA SieveSingleMsgMbox-PT-d0m06-LTLFireability-15 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d0m06-LTLFireability-15 finished in 25066 ms.
All properties solved by simple procedures.
Total runtime 201915 ms.

BK_STOP 1749147562014

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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="SieveSingleMsgMbox-PT-d0m06"
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 SieveSingleMsgMbox-PT-d0m06, 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 r212-tall-174901994200364"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m06.tgz
mv SieveSingleMsgMbox-PT-d0m06 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;