Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994300396.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-d0m96, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994300396
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K 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-d0m96-LTLFireability-00
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-01
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-02
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-03
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-04
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-05
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-06
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-07
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-08
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-09
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-10
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-11
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-12
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-13
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-14
FORMULA_NAME SieveSingleMsgMbox-PT-d0m96-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749155314847

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-d0m96
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-05 20:28:36] [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 20:28:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 20:28:36] [INFO ] Load time of PNML (sax parser for PT used): 67 ms
[2025-06-05 20:28:36] [INFO ] Transformed 262 places.
[2025-06-05 20:28:36] [INFO ] Transformed 73 transitions.
[2025-06-05 20:28:36] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 166 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 190 places in 1 ms
Reduce places removed 190 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 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 20 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 20:28:36] [INFO ] Computed 5 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:28:36] [INFO ] Implicit Places using invariants in 188 ms returned []
[2025-06-05 20:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:28:36] [INFO ] State equation strengthened by 31 read => feed constraints.
[2025-06-05 20:28:36] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 370 ms to find 0 implicit places.
Running 70 sub problems to find dead transitions.
[2025-06-05 20:28:36] [INFO ] Invariant cache hit.
[2025-06-05 20:28:36] [INFO ] State equation strengthened by 31 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 20:28:37] [INFO ] Deduced a trap composed of 21 places in 80 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:28:37] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (OVERLAPS) 71/139 variables, 68/75 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/139 variables, 31/106 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/139 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 70 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/139 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Real declared 139/139 variables, and 106 constraints, problems are : Problem set: 0 solved, 70 unsolved in 2599 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 2/2 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, 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
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (OVERLAPS) 71/139 variables, 68/75 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/139 variables, 31/106 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/139 variables, 70/176 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 20:28:40] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/139 variables, 1/177 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 20:28:42] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 10 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/139 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 0/178 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 20:28:45] [INFO ] Deduced a trap along path composed of 10 places in 30 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/139 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/139 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 14 (OVERLAPS) 0/139 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Int declared 139/139 variables, and 179 constraints, problems are : Problem set: 0 solved, 70 unsolved in 12649 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 15352ms problems are : Problem set: 0 solved, 70 unsolved
Search for dead transitions found 0 dead transitions in 15365ms
Starting structural reductions in LTL mode, iteration 1 : 68/72 places, 71/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15779 ms. Remains : 68/72 places, 71/73 transitions.
Support contains 27 out of 68 places after structural reductions.
[2025-06-05 20:28:52] [INFO ] Flatten gal took : 21 ms
[2025-06-05 20:28:52] [INFO ] Flatten gal took : 10 ms
[2025-06-05 20:28:52] [INFO ] Input system was already deterministic with 71 transitions.
RANDOM walk for 40000 steps (8841 resets) in 2244 ms. (17 steps per ms) remains 14/25 properties
BEST_FIRST walk for 40003 steps (1931 resets) in 324 ms. (123 steps per ms) remains 13/14 properties
BEST_FIRST walk for 40003 steps (1919 resets) in 110 ms. (360 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40001 steps (1959 resets) in 187 ms. (212 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (4159 resets) in 323 ms. (123 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (1947 resets) in 127 ms. (312 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (4168 resets) in 244 ms. (163 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (1952 resets) in 175 ms. (227 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1892 resets) in 131 ms. (303 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (1911 resets) in 144 ms. (275 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (4181 resets) in 132 ms. (300 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1979 resets) in 100 ms. (396 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (4185 resets) in 195 ms. (204 steps per ms) remains 12/12 properties
[2025-06-05 20:28:53] [INFO ] Invariant cache hit.
[2025-06-05 20:28:53] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 32/48 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 11/59 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:28:54] [INFO ] Deduced a trap composed of 21 places in 25 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 70/129 variables, 59/65 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/129 variables, 30/95 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10/139 variables, 9/104 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/139 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 0/139 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 139/139 variables, and 105 constraints, problems are : Problem set: 0 solved, 12 unsolved in 564 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 32/48 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 11/59 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 70/129 variables, 59/65 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/129 variables, 30/95 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 10/139 variables, 9/106 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/139 variables, 10/117 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/139 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 0/139 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 139/139 variables, and 117 constraints, problems are : Problem set: 0 solved, 12 unsolved in 1155 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1729ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 10 different solutions.
Parikh walk visited 5 properties in 10519 ms.
Support contains 10 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 15 ms. Remains 61 /68 variables (removed 7) and now considering 63/71 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 61/68 places, 63/71 transitions.
RANDOM walk for 40000 steps (8919 resets) in 191 ms. (208 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (2051 resets) in 59 ms. (666 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (1892 resets) in 54 ms. (727 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (4152 resets) in 92 ms. (430 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (1947 resets) in 76 ms. (519 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (1917 resets) in 58 ms. (678 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (4195 resets) in 95 ms. (416 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (1924 resets) in 76 ms. (519 steps per ms) remains 7/7 properties
Finished probabilistic random walk after 1405 steps, run visited all 7 properties in 20 ms. (steps per millisecond=70 )
Probabilistic random walk after 1405 steps, saw 710 distinct states, run finished after 23 ms. (steps per millisecond=61 ) properties seen :7
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 10 stabilizing places and 13 stable transitions
Graph (complete) has 207 edges and 68 vertex of which 67 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(F((G(F(p0))||(!p1 U (p2||G(!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 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 6 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 20:29:06] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:06] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-05 20:29:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:06] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:29:07] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 20:29:07] [INFO ] Invariant cache hit.
[2025-06-05 20:29:07] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 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 20:29:07] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 92 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1149 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: 61/61 constraints, Known Traps: 1/1 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 61/153 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 20:29:09] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 154 constraints, problems are : Problem set: 0 solved, 61 unsolved in 4181 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: 61/61 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5354ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 5355ms
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 62/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5524 ms. Remains : 60/68 places, 62/71 transitions.
Stuttering acceptance computed with spot in 358 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-00
Product exploration explored 100000 steps with 26547 reset in 219 ms.
Product exploration explored 100000 steps with 26652 reset in 139 ms.
Computed a total of 8 stabilizing places and 11 stable transitions
Graph (complete) has 185 edges and 60 vertex of which 59 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 8 stabilizing places and 11 stable transitions
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 79 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
RANDOM walk for 40000 steps (8972 resets) in 261 ms. (152 steps per ms) remains 3/5 properties
BEST_FIRST walk for 40002 steps (1897 resets) in 147 ms. (270 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (1964 resets) in 47 ms. (833 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (1927 resets) in 46 ms. (851 steps per ms) remains 3/3 properties
[2025-06-05 20:29:13] [INFO ] Invariant cache hit.
[2025-06-05 20:29:13] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 26/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/37 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 11/48 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 53/101 variables, 48/53 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 17/70 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 21/122 variables, 12/82 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/122 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 91 constraints, problems are : Problem set: 0 solved, 3 unsolved in 128 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: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 26/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/37 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 11/48 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:29:13] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 53/101 variables, 48/54 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 17/71 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/101 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 21/122 variables, 12/83 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/122 variables, 3/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/122 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/122 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 95 constraints, problems are : Problem set: 0 solved, 3 unsolved in 277 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: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 413ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 150 ms.
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 62/62 transitions.
Graph (complete) has 163 edges and 60 vertex of which 59 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 59 transition count 60
Applied a total of 3 rules in 6 ms. Remains 59 /60 variables (removed 1) and now considering 60/62 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 59/60 places, 60/62 transitions.
RANDOM walk for 40000 steps (8983 resets) in 61 ms. (645 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (1918 resets) in 40 ms. (975 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (1896 resets) in 29 ms. (1333 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (1916 resets) in 28 ms. (1379 steps per ms) remains 3/3 properties
Finished probabilistic random walk after 410 steps, run visited all 3 properties in 5 ms. (steps per millisecond=82 )
Probabilistic random walk after 410 steps, saw 241 distinct states, run finished after 5 ms. (steps per millisecond=82 ) properties seen :3
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1))]
False Knowledge obtained : [(F p1), (F p0), (F (NOT p2)), (F (NOT (OR p0 p1 p2))), (F (NOT (OR p0 (NOT p1) p2)))]
Knowledge based reduction with 1 factoid took 212 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 268 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Stuttering acceptance computed with spot in 274 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 62/62 transitions.
Applied a total of 0 rules in 5 ms. Remains 60 /60 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2025-06-05 20:29:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:15] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-05 20:29:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:15] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:29:15] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 20:29:15] [INFO ] Invariant cache hit.
[2025-06-05 20:29:15] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 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 20:29:15] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 92 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1168 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: 61/61 constraints, Known Traps: 1/1 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 61/153 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 20:29:18] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 154 constraints, problems are : Problem set: 0 solved, 61 unsolved in 4152 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: 61/61 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5336ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 5336ms
Finished structural reductions in LTL mode , in 1 iterations and 5494 ms. Remains : 60/60 places, 62/62 transitions.
Computed a total of 8 stabilizing places and 11 stable transitions
Graph (complete) has 185 edges and 60 vertex of which 59 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 8 stabilizing places and 11 stable transitions
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 90 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 277 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
RANDOM walk for 40000 steps (8898 resets) in 83 ms. (476 steps per ms) remains 3/5 properties
BEST_FIRST walk for 40002 steps (1949 resets) in 45 ms. (869 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (1947 resets) in 28 ms. (1379 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (1941 resets) in 28 ms. (1379 steps per ms) remains 3/3 properties
[2025-06-05 20:29:20] [INFO ] Invariant cache hit.
[2025-06-05 20:29:20] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 26/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/37 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 11/48 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 53/101 variables, 48/53 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 17/70 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 21/122 variables, 12/82 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/122 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 91 constraints, problems are : Problem set: 0 solved, 3 unsolved in 128 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: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 26/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/37 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 11/48 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:29:21] [INFO ] Deduced a trap composed of 20 places in 26 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 53/101 variables, 48/54 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 17/71 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/101 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 21/122 variables, 12/83 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/122 variables, 3/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/122 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/122 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 95 constraints, problems are : Problem set: 0 solved, 3 unsolved in 292 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: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 428ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 142 ms.
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 62/62 transitions.
Graph (complete) has 163 edges and 60 vertex of which 59 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 59 transition count 60
Applied a total of 3 rules in 4 ms. Remains 59 /60 variables (removed 1) and now considering 60/62 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 59/60 places, 60/62 transitions.
RANDOM walk for 40000 steps (8912 resets) in 67 ms. (588 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (1886 resets) in 40 ms. (975 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (1983 resets) in 39 ms. (1000 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (1916 resets) in 26 ms. (1481 steps per ms) remains 3/3 properties
Finished probabilistic random walk after 410 steps, run visited all 3 properties in 6 ms. (steps per millisecond=68 )
Probabilistic random walk after 410 steps, saw 241 distinct states, run finished after 6 ms. (steps per millisecond=68 ) properties seen :3
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1))]
False Knowledge obtained : [(F p1), (F p0), (F (NOT p2)), (F (NOT (OR p0 p1 p2))), (F (NOT (OR p0 (NOT p1) p2)))]
Knowledge based reduction with 1 factoid took 205 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 261 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Stuttering acceptance computed with spot in 258 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Stuttering acceptance computed with spot in 236 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Product exploration explored 100000 steps with 26688 reset in 112 ms.
Product exploration explored 100000 steps with 26626 reset in 129 ms.
Applying partial POR strategy [false, false, false, false, true, true]
Stuttering acceptance computed with spot in 249 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 60/60 places, 62/62 transitions.
Applied a total of 0 rules in 7 ms. Remains 60 /60 variables (removed 0) and now considering 62/62 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 20:29:23] [INFO ] Redundant transitions in 0 ms returned []
Running 61 sub problems to find dead transitions.
[2025-06-05 20:29:23] [INFO ] Invariant cache hit.
[2025-06-05 20:29:23] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 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 20:29:23] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 92 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1123 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: 61/61 constraints, Known Traps: 1/1 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 61/153 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 20:29:26] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 154 constraints, problems are : Problem set: 0 solved, 61 unsolved in 4204 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: 61/61 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5344ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 5344ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 5360 ms. Remains : 60/60 places, 62/62 transitions.
Built C files in :
/tmp/ltsmin6701606018136025199
[2025-06-05 20:29:28] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6701606018136025199
Running compilation step : cd /tmp/ltsmin6701606018136025199;'/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 330 ms.
Running link step : cd /tmp/ltsmin6701606018136025199;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin6701606018136025199;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased13038018951803718383.hoa' '--buchi-type=spotba'
LTSmin run took 71 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-00 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-00 finished in 22266 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0||G(p1)))))'
Support contains 3 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 6 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 20:29:29] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:29] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-05 20:29:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:29] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:29:29] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 160 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 20:29:29] [INFO ] Invariant cache hit.
[2025-06-05 20:29:29] [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, 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 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 20:29:29] [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 20:29:29] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/67 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/93 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 20:29:30] [INFO ] Deduced a trap composed of 18 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 20:29:30] [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 20:29:30] [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 20:29:30] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:29:30] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 5/98 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 20:29:30] [INFO ] Deduced a trap composed of 18 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 20:29:30] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 100 constraints, problems are : Problem set: 0 solved, 61 unsolved in 2753 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: 61/61 constraints, Known Traps: 9/9 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/74 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/100 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 61/161 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 20:29:33] [INFO ] Deduced a trap along path composed of 9 places in 30 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 162 constraints, problems are : Problem set: 0 solved, 61 unsolved in 5297 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: 61/61 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 8065ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 8066ms
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 62/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8232 ms. Remains : 60/68 places, 62/71 transitions.
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-01
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-01 finished in 8327 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0&&X((X(X(X(X(F(p1)))))&&(!p0 U (!p2||G(!p0))))))))'
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 11 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 20:29:37] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:37] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-05 20:29:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:37] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:29:37] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-06-05 20:29:37] [INFO ] Invariant cache hit.
[2025-06-05 20:29:37] [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, 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 20:29:38] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:29:38] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 63/124 variables, 61/68 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 26/94 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 20:29:38] [INFO ] Deduced a trap composed of 27 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 20:29:38] [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 20:29:38] [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 20:29:38] [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 20:29:38] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 5/99 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (OVERLAPS) 0/124 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/124 variables, and 99 constraints, problems are : Problem set: 0 solved, 62 unsolved in 2518 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: 62/62 constraints, Known Traps: 7/7 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, 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
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 7/12 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 20:29:40] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (OVERLAPS) 63/124 variables, 61/74 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 26/100 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 62/162 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 20:29:42] [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 20:29:42] [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) 0/124 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/124 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (OVERLAPS) 0/124 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/124 variables, and 164 constraints, problems are : Problem set: 0 solved, 62 unsolved in 6307 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: 62/62 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 8850ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 8851ms
Starting structural reductions in LTL mode, iteration 1 : 61/68 places, 63/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9001 ms. Remains : 61/68 places, 63/71 transitions.
Stuttering acceptance computed with spot in 368 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), true, (OR (NOT p1) (AND p0 p2)), (NOT p1), (AND p0 p2), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-02
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-02 finished in 9396 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 5 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_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 7 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 20:29:46] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:46] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-05 20:29:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:29:46] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-05 20:29:46] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 20:29:46] [INFO ] Redundant transitions in 1 ms returned []
Running 65 sub problems to find dead transitions.
[2025-06-05 20:29:46] [INFO ] Invariant cache hit.
[2025-06-05 20:29:46] [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
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/5 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 20:29:47] [INFO ] Deduced a trap composed of 20 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 20:29:47] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (OVERLAPS) 66/129 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/129 variables, 27/97 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 20:29:48] [INFO ] Deduced a trap composed of 19 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 20:29:48] [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 20:29:48] [INFO ] Deduced a trap composed of 20 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 20:29:48] [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 20:29:48] [INFO ] Deduced a trap composed of 20 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 20:29:48] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:29:48] [INFO ] Deduced a trap composed of 21 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 20:29:48] [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 20:29:48] [INFO ] Deduced a trap composed of 21 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 20:29:48] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 10/107 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 10 (OVERLAPS) 0/129 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Real declared 129/129 variables, and 107 constraints, problems are : Problem set: 0 solved, 65 unsolved in 2561 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: 12/12 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, 0/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 12/17 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 20:29:49] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (OVERLAPS) 66/129 variables, 63/81 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 27/108 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 65/173 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 20:29:53] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/129 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/129 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 12 (OVERLAPS) 0/129 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Int declared 129/129 variables, and 174 constraints, problems are : Problem set: 0 solved, 65 unsolved in 11347 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: 13/13 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 13926ms problems are : Problem set: 0 solved, 65 unsolved
Search for dead transitions found 0 dead transitions in 13926ms
Starting structural reductions in SI_LTL mode, iteration 1 : 63/68 places, 66/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 14103 ms. Remains : 63/68 places, 66/71 transitions.
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-03
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-03 finished in 14182 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 2 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 8 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 20:30:00] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:01] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-05 20:30:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:01] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:30:01] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 20:30:01] [INFO ] Invariant cache hit.
[2025-06-05 20:30:01] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 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 20:30:01] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 92 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1154 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: 61/61 constraints, Known Traps: 1/1 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/66 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/92 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 61/153 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 20:30:04] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 154 constraints, problems are : Problem set: 0 solved, 61 unsolved in 4203 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: 61/61 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5373ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 5374ms
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 62/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5521 ms. Remains : 60/68 places, 62/71 transitions.
Stuttering acceptance computed with spot in 153 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-05 finished in 5693 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 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 20:30:06] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:06] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-05 20:30:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:06] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 20:30:06] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 20:30:06] [INFO ] Redundant transitions in 1 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 20:30:06] [INFO ] Invariant cache hit.
[2025-06-05 20:30:06] [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 20:30:07] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 1/6 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 20:30:07] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/66 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/91 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 20:30:07] [INFO ] Deduced a trap composed of 19 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 20:30:08] [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 20:30:08] [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 20:30:08] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 4/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (OVERLAPS) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 95 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2423 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: 6/6 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, 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
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 60/155 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 20:30:10] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:10] [INFO ] Deduced a trap along path composed of 14 places in 22 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (OVERLAPS) 0/120 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 157 constraints, problems are : Problem set: 0 solved, 60 unsolved in 4301 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: 6/6 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 6740ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 6741ms
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 6896 ms. Remains : 59/68 places, 61/71 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-06
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-06 finished in 6946 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(((p1 U p2)&&p0)) U X(X(X(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 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 6 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 20:30:13] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:13] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-05 20:30:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:13] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:30:13] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 20:30:13] [INFO ] Invariant cache hit.
[2025-06-05 20:30:13] [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, 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 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 20:30:14] [INFO ] Deduced a trap composed of 18 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 20:30:14] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/67 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/93 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 61 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 93 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1502 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: 61/61 constraints, Known Traps: 2/2 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/67 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/93 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 61/154 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 20:30:16] [INFO ] Deduced a trap along path composed of 14 places in 26 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 155 constraints, problems are : Problem set: 0 solved, 61 unsolved in 4013 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: 61/61 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5536ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 5536ms
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 62/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5683 ms. Remains : 60/68 places, 62/71 transitions.
Stuttering acceptance computed with spot in 551 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2) p1), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (OR (NOT p2) (NOT p0))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-07
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-07 finished in 6262 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((p0 U !p1)) U (F((p3||G(!p1)))&&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 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 15 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 20:30:19] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:19] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-05 20:30:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:20] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:30:20] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-06-05 20:30:20] [INFO ] Invariant cache hit.
[2025-06-05 20:30:20] [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, 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 20:30:20] [INFO ] Deduced a trap composed of 19 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 20:30:20] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 63/124 variables, 61/68 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 26/94 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 62 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/124 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/124 variables, and 94 constraints, problems are : Problem set: 0 solved, 62 unsolved in 1660 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: 62/62 constraints, Known Traps: 2/2 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, 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
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 63/124 variables, 61/68 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 26/94 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 62/156 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 20:30:22] [INFO ] Deduced a trap along path composed of 14 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/124 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (OVERLAPS) 0/124 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/124 variables, and 157 constraints, problems are : Problem set: 0 solved, 62 unsolved in 4717 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: 62/62 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 6394ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 6395ms
Starting structural reductions in LTL mode, iteration 1 : 61/68 places, 63/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6602 ms. Remains : 61/68 places, 63/71 transitions.
Stuttering acceptance computed with spot in 178 ms :[(OR (NOT p2) (AND p1 (NOT p3))), (OR (NOT p2) (AND p1 (NOT p3))), p1, (AND (NOT p3) p1), true]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-08
Stuttering criterion allowed to conclude after 9 steps with 2 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-08 finished in 6816 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 18 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 20:30:26] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:26] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-05 20:30:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:26] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 20:30:26] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 20:30:26] [INFO ] Redundant transitions in 0 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 20:30:26] [INFO ] Invariant cache hit.
[2025-06-05 20:30:26] [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 20:30:27] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 1/6 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 20:30:27] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/66 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/91 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 20:30:27] [INFO ] Deduced a trap composed of 19 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 20:30:28] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:28] [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 20:30:28] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 4/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (OVERLAPS) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 95 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2426 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: 6/6 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, 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
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 60/155 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 20:30:30] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:30] [INFO ] Deduced a trap along path composed of 14 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (OVERLAPS) 0/120 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 157 constraints, problems are : Problem set: 0 solved, 60 unsolved in 4285 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: 6/6 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 6727ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 6728ms
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 6896 ms. Remains : 59/68 places, 61/71 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-10
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-10 finished in 6946 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((X(F(p0))||G(p1)))||F(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 2 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 20:30:33] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:33] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-05 20:30:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:33] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:30:33] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-06-05 20:30:33] [INFO ] Invariant cache hit.
[2025-06-05 20:30:33] [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, 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 20:30:34] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:34] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 63/124 variables, 61/68 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 26/94 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 62 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/124 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/124 variables, and 94 constraints, problems are : Problem set: 0 solved, 62 unsolved in 1666 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: 62/62 constraints, Known Traps: 2/2 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, 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
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 63/124 variables, 61/68 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 26/94 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 62/156 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 20:30:36] [INFO ] Deduced a trap along path composed of 14 places in 42 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/124 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (OVERLAPS) 0/124 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/124 variables, and 157 constraints, problems are : Problem set: 0 solved, 62 unsolved in 4828 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: 62/62 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 6540ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 6541ms
Starting structural reductions in LTL mode, iteration 1 : 61/68 places, 63/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6708 ms. Remains : 61/68 places, 63/71 transitions.
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-12
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-12 finished in 6887 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p1||G(p2))&&p0)))'
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 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 3 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 20:30:40] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:40] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-05 20:30:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:40] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 20:30:40] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-05 20:30:40] [INFO ] Invariant cache hit.
[2025-06-05 20:30:40] [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 20:30:41] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 1/6 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 20:30:41] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/66 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/91 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 20:30:41] [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 20:30:41] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:41] [INFO ] Deduced a trap composed of 19 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 20:30:41] [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, 4/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (OVERLAPS) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 95 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2513 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: 6/6 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, 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
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 60/155 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 20:30:44] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:44] [INFO ] Deduced a trap along path composed of 14 places in 27 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (OVERLAPS) 0/120 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 157 constraints, problems are : Problem set: 0 solved, 60 unsolved in 4317 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: 6/6 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 6843ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 6845ms
Starting structural reductions in LTL mode, iteration 1 : 59/68 places, 61/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6985 ms. Remains : 59/68 places, 61/71 transitions.
Stuttering acceptance computed with spot in 140 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p2), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-13 finished in 7143 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 3 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 5 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 20:30:47] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:47] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-05 20:30:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:30:47] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 20:30:47] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 20:30:47] [INFO ] Invariant cache hit.
[2025-06-05 20:30:47] [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, 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 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 20:30:48] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:48] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/67 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/93 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 20:30:48] [INFO ] Deduced a trap composed of 27 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 20:30:48] [INFO ] Deduced a trap composed of 18 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 20:30:48] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:49] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 4/97 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 20:30:49] [INFO ] Deduced a trap composed of 19 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 20:30:49] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 99 constraints, problems are : Problem set: 0 solved, 61 unsolved in 2819 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: 61/61 constraints, Known Traps: 8/8 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, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/73 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/99 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 61/160 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 20:30:52] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:52] [INFO ] Deduced a trap along path composed of 14 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:30:52] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 3/163 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 163 constraints, problems are : Problem set: 0 solved, 61 unsolved in 5859 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: 61/61 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 8695ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 8695ms
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 62/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8842 ms. Remains : 60/68 places, 62/71 transitions.
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d0m96-LTLFireability-15
Product exploration explored 100000 steps with 33333 reset in 125 ms.
Product exploration explored 100000 steps with 33333 reset in 137 ms.
Computed a total of 8 stabilizing places and 11 stable transitions
Graph (complete) has 185 edges and 60 vertex of which 59 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 8 stabilizing places and 11 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 17 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SieveSingleMsgMbox-PT-d0m96-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d0m96-LTLFireability-15 finished in 9262 ms.
All properties solved by simple procedures.
Total runtime 140899 ms.

BK_STOP 1749155457029

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SieveSingleMsgMbox-PT-d0m96"
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-d0m96, 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-174901994300396"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m96.tgz
mv SieveSingleMsgMbox-PT-d0m96 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 ;